first draft of mandatory parentheses around function definition param lists -- all tests pass
This commit is contained in:
Jeremy Ashkenas
parent
63b44a2b03
commit
460b3f6d8e
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@ -1,4 +1,4 @@
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backwards: =>
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backwards: () =>
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alert arguments.reverse()
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backwards "stairway", "to", "heaven"
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@ -1,4 +1,4 @@
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$('table.list').each() table =>
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$('tr.account', table).each() row =>
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$('table.list').each (table) =>
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$('tr.account', table).each (row) =>
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row.show()
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row.highlight()
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@ -1,4 +1,4 @@
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grade: student =>
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grade: (student) =>
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if student.excellent_work
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"A+"
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else if student.okay_stuff
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@ -1,2 +1,2 @@
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square: x => x * x
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cube: x => square(x) * x
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square: (x) => x * x
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cube: (x) => square(x) * x
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@ -1,6 +1,6 @@
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Account: customer, cart =>
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Account: (customer, cart) =>
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this.customer: customer
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this.cart: cart
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$('.shopping_cart').bind('click') event ==>
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$('.shopping_cart').bind('click') (event) ==>
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this.customer.purchase this.cart
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@ -1,4 +1,4 @@
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weather_report: location =>
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weather_report: (location) =>
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# Make an Ajax request to fetch the weather...
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[location, 72, "Mostly Sunny"]
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@ -6,7 +6,7 @@ opposite_day: true
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number: -42 if opposite_day
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# Functions:
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square: x => x * x
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square: (x) => x * x
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# Arrays:
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list: [1, 2, 3, 4, 5]
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@ -15,11 +15,11 @@ list: [1, 2, 3, 4, 5]
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math: {
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root: Math.sqrt
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square: square
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cube: x => x * square(x)
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cube: (x) => x * square x
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}
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# Splats:
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race: winner, runners... =>
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race: (winner, runners...) =>
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print winner, runners
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# Existence:
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@ -1,6 +1,6 @@
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countdown: num for num in [10..1]
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egg_delivery: =>
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egg_delivery: () =>
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for i in [0...eggs.length] by 12
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dozen_eggs: eggs[i...i+12]
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deliver new egg_carton(dozen)
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@ -1,5 +1,5 @@
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num: 1
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change_numbers: =>
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change_numbers: () =>
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new_num: -1
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num: 10
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new_num: change_numbers()
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@ -1,6 +1,6 @@
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gold: silver: the_field: "unknown"
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medalists: first, second, rest... =>
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medalists: (first, second, rest...) =>
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gold: first
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silver: second
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the_field: rest
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@ -1,16 +1,16 @@
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Animal: =>
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Animal::move: meters =>
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Animal: () =>
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Animal::move: (meters) =>
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alert this.name + " moved " + meters + "m."
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Snake: name => this.name: name
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Snake: (name) => this.name: name
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Snake extends Animal
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Snake::move: =>
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Snake::move: () =>
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alert "Slithering..."
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super 5
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Horse: name => this.name: name
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Horse: (name) => this.name: name
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Horse extends Animal
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Horse::move: =>
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Horse::move: () =>
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alert "Galloping..."
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super 45
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@ -174,7 +174,7 @@ gem install coffee-script</pre>
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<td><code>-e, --eval</code></td>
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<td>
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Compile and print a little snippet of CoffeeScript directly from the
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command line (or from <b>stdin</b>). For example:<br /><tt>coffee -e "square: x => x * x"</tt>
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command line (or from <b>stdin</b>). For example:<br /><tt>coffee -e "square: (x) => x * x"</tt>
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</td>
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</tr>
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<tr>
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@ -262,7 +262,7 @@ coffee --print app/scripts/*.coffee > concatenation.js</pre>
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<%= code_for('functions', 'cube(5)') %>
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<p>
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If you'd like to create an anonymous function, just wrap it in parentheses:
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<tt>(x => x * x)</tt>
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<tt>((x) => x * x)</tt>
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</p>
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<p id="assignment">
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@ -522,11 +522,6 @@ coffee --print app/scripts/*.coffee > concatenation.js</pre>
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so you don't have to close the parentheses on the other side.
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</p>
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<%= code_for('blocks') %>
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<p>
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If you prefer not to use blocks, you'll need to add a pair of parentheses
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to help distinguish the arguments from the definition of the function:
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<tt>_.map(array, (num => num * 2))</tt>
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</p>
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<p id="pattern_matching">
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<b class="header">Pattern Matching (Destructuring Assignment)</b>
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@ -2,7 +2,7 @@
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# The implementation of binary search that is tested.
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# Return the index of an element in a sorted list. (or -1, if not present)
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index: list, target =>
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index: (list, target) =>
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[low, high]: [0, list.length]
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while low < high
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mid: (low + high) >> 1
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@ -1,7 +1,7 @@
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# Beautiful Code, Chapter 3.
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# Produces the expected runtime of Quicksort, for every integer from 1 to N.
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runtime: N =>
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runtime: (N) =>
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[sum, t]: [0, 0]
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for n in [1..N]
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sum += 2 * t
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@ -3,7 +3,7 @@
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# '.', '^', '$', and '*'.
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# Search for the regexp anywhere in the text.
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match: regexp, text =>
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match: (regexp, text) =>
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return match_here(regexp.slice(1), text) if regexp[0] is '^'
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while text
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return true if match_here(regexp, text)
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@ -11,7 +11,7 @@ match: regexp, text =>
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false
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# Search for the regexp at the beginning of the text.
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match_here: regexp, text =>
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match_here: (regexp, text) =>
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[cur, next]: [regexp[0], regexp[1]]
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if regexp.length is 0 then return true
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if next is '*' then return match_star(cur, regexp.slice(2), text)
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@ -20,7 +20,7 @@ match_here: regexp, text =>
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false
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# Search for a kleene star match at the beginning of the text.
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match_star: c, regexp, text =>
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match_star: (c, regexp, text) =>
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while true
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return true if match_here(regexp, text)
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return false unless text and (text[0] is c or c is '.')
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@ -1,14 +1,14 @@
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# Functions:
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square: x => x * x
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square: (x) => x * x
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sum: x, y => x + y
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sum: (x, y) => x + y
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odd: x => x % 2 isnt 0
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odd: (x) => x % 2 isnt 0
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even: x => x % 2 is 0
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even: (x) => x % 2 is 0
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run_loop: =>
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fire_events(e => e.stopPropagation())
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run_loop: () =>
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fire_events((e) => e.stopPropagation())
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listen()
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wait()
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@ -22,14 +22,14 @@ spaced_out_multiline_object: {
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three: new Idea()
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inner_obj: {
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freedom: => _.freedom()
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freedom: () => _.freedom()
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}
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}
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# Arrays:
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stooges: [{moe: 45}, {curly: 43}, {larry: 46}]
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exponents: [(x => x), (x => x * x), (x => x * x * x)]
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exponents: [(x) => x, (x) => x * x, (x) => x * x * x]
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empty: []
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@ -54,7 +54,7 @@ decoration: medal_of_honor if war_hero
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go_to_sleep() unless coffee
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# Returning early:
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race: =>
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race: () =>
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run()
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walk()
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crawl()
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@ -103,7 +103,7 @@ while true
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# Lexical scoping.
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v_1: 5
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change_a_and_set_b: =>
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change_a_and_set_b: () =>
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v_1: 10
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v_2: 15
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v_2: 20
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@ -128,7 +128,7 @@ activity: switch day
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else go_to_work()
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# Semicolons can optionally be used instead of newlines.
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wednesday: => eat_breakfast(); go_to_work(); eat_dinner()
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wednesday: () => eat_breakfast(); go_to_work(); eat_dinner()
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# Array slice literals.
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zero_to_nine: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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@ -140,19 +140,19 @@ sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna
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aliquam erat volutpat. Ut wisi enim ad."
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# Inheritance and calling super.
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Animal: =>
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Animal::move: meters =>
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Animal: () =>
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Animal::move: (meters) =>
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alert(this.name + " moved " + meters + "m.")
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Snake: name => this.name: name
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Snake: (name) => this.name: name
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Snake extends Animal
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Snake::move: =>
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Snake::move: () =>
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alert('Slithering...')
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super(5)
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Horse: name => this.name: name
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Horse: (name) => this.name: name
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Horse extends Animal
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Horse::move: =>
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Horse::move: () =>
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alert('Galloping...')
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super(45)
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@ -1,5 +1,5 @@
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# Uses a binary search algorithm to locate a value in the specified array.
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binary_search: items, value =>
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binary_search: (items, value) =>
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start: 0
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stop: items.length - 1
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@ -1,5 +1,5 @@
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# A bubble sort implementation, sorting the given array in-place.
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bubble_sort: list =>
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bubble_sort: (list) =>
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for i in [0...list.length]
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for j in [0...list.length - i]
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[list[j], list[j+1]]: [list[j+1], list[j]] if list[j] > list[j+1]
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@ -1,11 +1,11 @@
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# "Classic" linked list implementation that doesn't keep track of its size.
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LinkedList: =>
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LinkedList: () =>
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this._head: null # Pointer to the first item in the list.
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# Appends some data to the end of the list. This method traverses the existing
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# list and places the value at the end in a new node.
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LinkedList::add: data =>
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LinkedList::add: (data) =>
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# Create a new node object to wrap the data.
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node: {data: data, next: null}
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@ -20,7 +20,7 @@ LinkedList::add: data =>
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# Retrieves the data at the given position in the list.
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LinkedList::item: index =>
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LinkedList::item: (index) =>
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# Check for out-of-bounds values.
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return null if index < 0
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@ -36,7 +36,7 @@ LinkedList::item: index =>
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# Remove the item from the given location in the list.
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LinkedList::remove: index =>
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LinkedList::remove: (index) =>
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# Check for out-of-bounds values.
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return null if index < 0
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@ -60,7 +60,7 @@ LinkedList::remove: index =>
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# Calculate the number of items in the list.
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LinkedList::size: =>
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LinkedList::size: () =>
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current: this._head
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count: 0
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@ -72,7 +72,7 @@ LinkedList::size: =>
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# Convert the list into an array.
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LinkedList::toArray: =>
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LinkedList::toArray: () =>
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result: []
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current: this._head
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@ -84,7 +84,7 @@ LinkedList::toArray: =>
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# The string representation of the linked list.
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LinkedList::toString: => this.toArray().toString()
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LinkedList::toString: () => this.toArray().toString()
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# Tests.
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@ -2,7 +2,7 @@
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# numbers, national insurance numbers, etc.
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# See: http://en.wikipedia.org/wiki/Luhn_algorithm
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is_valid_identifier: identifier =>
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is_valid_identifier: (identifier) =>
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sum: 0
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alt: false
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@ -1,5 +1,5 @@
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# Sorts an array in ascending natural order using merge sort.
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merge_sort: list =>
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merge_sort: (list) =>
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return list if list.length is 1
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@ -1,5 +1,5 @@
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# An in-place selection sort.
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selection_sort: list =>
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selection_sort: (list) =>
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len: list.length
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# For each item in the list.
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@ -1,72 +0,0 @@
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# Document Model
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dc.model.Document: dc.Model.extend({
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constructor: attributes => this.base(attributes)
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# For display, show either the highlighted search results, or the summary,
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# if no highlights are available.
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# The import process will take care of this in the future, but the inline
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# version of the summary has all runs of whitespace squeezed out.
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displaySummary: =>
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text: this.get('highlight') or this.get('summary') or ''
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text and text.replace(/\s+/g, ' ')
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# Return a list of the document's metadata. Think about caching this on the
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# document by binding to Metadata, instead of on-the-fly.
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metadata: =>
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docId: this.id
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_.select(Metadata.models(), (meta =>
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_.any(meta.get('instances'), instance =>
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instance.document_id is docId)))
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bookmark: pageNumber =>
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bookmark: new dc.model.Bookmark({title: this.get('title'), page_number: pageNumber, document_id: this.id})
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Bookmarks.create(bookmark)
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|
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# Inspect.
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toString: => 'Document ' + this.id + ' "' + this.get('title') + '"'
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|
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})
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# Document Set
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dc.model.DocumentSet: dc.model.RESTfulSet.extend({
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|
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resource: 'documents'
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|
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SELECTION_CHANGED: 'documents:selection_changed'
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|
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constructor: options =>
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this.base(options)
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_.bindAll(this, 'downloadSelectedViewers', 'downloadSelectedPDF', 'downloadSelectedFullText')
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|
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selected: => _.select(this.models(), m => m.get('selected'))
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|
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selectedIds: => _.pluck(this.selected(), 'id')
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countSelected: => this.selected().length
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downloadSelectedViewers: =>
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dc.app.download('/download/' + this.selectedIds().join('/') + '/document_viewer.zip')
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downloadSelectedPDF: =>
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if this.countSelected() <= 1 then return window.open(this.selected()[0].get('pdf_url'))
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dc.app.download('/download/' + this.selectedIds().join('/') + '/document_pdfs.zip')
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downloadSelectedFullText: =>
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if this.countSelected() <= 1 then return window.open(this.selected()[0].get('full_text_url'))
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dc.app.download('/download/' + this.selectedIds().join('/') + '/document_text.zip')
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|
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# We override "_onModelEvent" to fire selection changed events when documents
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# change their selected state.
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_onModelEvent: e, model =>
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this.base(e, model)
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fire: e is dc.Model.CHANGED and model.hasChanged('selected')
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if fire then _.defer(_(this.fire).bind(this, this.SELECTION_CHANGED, this))
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|
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})
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# The main set of Documents, used by the search tab.
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window.Documents: new dc.model.DocumentSet()
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|
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# The set of documents that is used to look at a particular label.
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dc.app.LabeledDocuments: new dc.model.DocumentSet()
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@ -2,7 +2,7 @@
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# ['toast', 'cheese', 'wine'].each { |food| print food.capitalize }
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|
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['toast', 'wine', 'cheese'].each(food => print(food.capitalize()))
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['toast', 'wine', 'cheese'].each (food) => print(food.capitalize())
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|
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|
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@ -14,10 +14,10 @@
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# end
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|
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LotteryTicket: {
|
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get_picks: => this.picks
|
||||
set_picks: nums => this.picks: nums
|
||||
get_purchase: => this.purchase
|
||||
set_purchase: amount => this.purchase: amount
|
||||
get_picks: () => this.picks
|
||||
set_picks: (nums) => this.picks: nums
|
||||
get_purchase: () => this.purchase
|
||||
set_purchase: (amount) => this.purchase: amount
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -40,11 +40,11 @@ LotteryTicket: {
|
|||
# end
|
||||
|
||||
LotteryDraw: {
|
||||
play: =>
|
||||
play: () =>
|
||||
result: LotteryTicket.new_random()
|
||||
winners: {}
|
||||
this.tickets.each() buyer, ticket_list =>
|
||||
ticket_list.each() ticket =>
|
||||
this.tickets.each (buyer, ticket_list) =>
|
||||
ticket_list.each (ticket) =>
|
||||
score: ticket.score(result)
|
||||
return if score is 0
|
||||
winners[buyer] ||= []
|
||||
|
|
@ -65,8 +65,8 @@ LotteryDraw: {
|
|||
# end
|
||||
|
||||
WishScanner: {
|
||||
scan_for_a_wish: =>
|
||||
wish: this.read().detect(thought => thought.index('wish: ') is 0)
|
||||
scan_for_a_wish: () =>
|
||||
wish: this.read().detect((thought) => thought.index('wish: ') is 0)
|
||||
wish.replace('wish: ', '')
|
||||
}
|
||||
|
||||
|
|
@ -111,7 +111,7 @@ WishScanner: {
|
|||
Creature : {
|
||||
|
||||
# This method applies a hit taken during a fight.
|
||||
hit: damage =>
|
||||
hit: (damage) =>
|
||||
p_up: Math.rand(this.charisma)
|
||||
if p_up % 9 is 7
|
||||
this.life += p_up / 4
|
||||
|
|
@ -120,7 +120,7 @@ Creature : {
|
|||
if this.life <= 0 then puts("[" + this.name + " has died.]")
|
||||
|
||||
# This method takes one turn in a fight.
|
||||
fight: enemy, weapon =>
|
||||
fight: (enemy, weapon) =>
|
||||
if this.life <= 0 then return puts("[" + this.name + "is too dead to fight!]")
|
||||
|
||||
# Attack the opponent.
|
||||
|
|
@ -156,12 +156,12 @@ Creature : {
|
|||
# Get evil idea and swap in code words
|
||||
print("Enter your new idea: ")
|
||||
idea: gets()
|
||||
code_words.each(real, code => idea.replace(real, code))
|
||||
code_words.each((real, code) => idea.replace(real, code))
|
||||
|
||||
# Save the jibberish to a new file
|
||||
print("File encoded. Please enter a name for this idea: ")
|
||||
idea_name: gets().strip()
|
||||
File.open("idea-" + idea_name + '.txt', 'w', file => file.write(idea))
|
||||
File.open("idea-" + idea_name + '.txt', 'w', (file) => file.write(idea))
|
||||
|
||||
|
||||
|
||||
|
|
@ -177,7 +177,7 @@ File.open("idea-" + idea_name + '.txt', 'w', file => file.write(idea))
|
|||
# end
|
||||
# end
|
||||
|
||||
wipe_mutterings_from: sentence =>
|
||||
wipe_mutterings_from: (sentence) =>
|
||||
throw new Error("cannot wipe mutterings") unless sentence.indexOf
|
||||
while sentence.indexOf('(') >= 0
|
||||
open: sentence.indexOf('(') - 1
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@ print("Odelay!") for i in [1..5]
|
|||
# add = (x, y): x + y.
|
||||
# add(2, 4) string print
|
||||
|
||||
add: x, y => x + y
|
||||
add: (x, y) => x + y
|
||||
print(add(2, 4))
|
||||
|
||||
|
||||
|
|
@ -31,7 +31,7 @@ print({language: 'Potion', pointless: true}['language'])
|
|||
# minus = (x, y): x - y.
|
||||
# minus (y=10, x=6)
|
||||
|
||||
minus: x, y => x - y
|
||||
minus: (x, y) => x - y
|
||||
minus(6, 10)
|
||||
|
||||
|
||||
|
|
@ -53,8 +53,8 @@ for key, val of {dog: 'canine', cat: 'feline', fox: 'vulpine'}
|
|||
# Person print = ():
|
||||
# ('My name is ', /name, '.') join print.
|
||||
|
||||
Person: =>
|
||||
Person::print: =>
|
||||
Person: () =>
|
||||
Person::print: () =>
|
||||
print('My name is ' + this.name + '.')
|
||||
|
||||
|
||||
|
|
@ -71,9 +71,9 @@ print(p.name)
|
|||
#
|
||||
# Policeman ('Constable') print
|
||||
|
||||
Policeman: rank => this.rank: rank
|
||||
Policeman: (rank) => this.rank: rank
|
||||
Policeman extends Person
|
||||
Policeman::print: =>
|
||||
Policeman::print: () =>
|
||||
print('My name is ' + this.name + " and I'm a " + this.rank + '.')
|
||||
|
||||
print(new Policeman('Constable'))
|
||||
|
|
@ -115,13 +115,13 @@ table: {
|
|||
# String length = (): 10.
|
||||
|
||||
# this foul business...
|
||||
String::length: => 10
|
||||
String::length: () => 10
|
||||
|
||||
|
||||
# block = :
|
||||
# 'potion' print.
|
||||
|
||||
block: =>
|
||||
block: () =>
|
||||
print('potion')
|
||||
|
||||
|
||||
|
|
@ -178,7 +178,7 @@ if (3).gender?
|
|||
# HomePage get = (url):
|
||||
# session = url query ? at ('session').
|
||||
|
||||
HomePage::get: url =>
|
||||
HomePage::get: (url) =>
|
||||
session: url.query.session if url.query?
|
||||
|
||||
|
||||
|
|
@ -187,7 +187,7 @@ HomePage::get: url =>
|
|||
# b /left = BTree ()
|
||||
# b /right = BTree ()
|
||||
|
||||
BTree: =>
|
||||
BTree: () =>
|
||||
b: new BTree()
|
||||
b.left: new BTree()
|
||||
b.right: new BTree()
|
||||
|
|
@ -199,7 +199,7 @@ b.right: new BTree()
|
|||
# if (b ? /left):
|
||||
# 'left path found!' print.
|
||||
|
||||
BTree: =>
|
||||
BTree: () =>
|
||||
b: new BTree()
|
||||
|
||||
print('left path found!') if b.left?
|
||||
|
|
|
|||
|
|
@ -1,20 +0,0 @@
|
|||
# Identifiers run together:
|
||||
# a b c
|
||||
|
||||
# Trailing comma in array:
|
||||
# array: [1, 2, 3, 4, 5,]
|
||||
|
||||
# Unterminated object literal:
|
||||
# obj: { one: 1, two: 2
|
||||
|
||||
# Numbers run together:
|
||||
# 101 202
|
||||
|
||||
# Strings run together:
|
||||
# str: "broken" "words"
|
||||
|
||||
# Forgot to terminate a function:
|
||||
# obj: {
|
||||
# first: a => a[0].
|
||||
# last: a => a[a.length-1]
|
||||
# }
|
||||
|
|
@ -21,7 +21,7 @@
|
|||
# If Underscore is called as a function, it returns a wrapped object that
|
||||
# can be used OO-style. This wrapper holds altered versions of all the
|
||||
# underscore functions. Wrapped objects may be chained.
|
||||
wrapper: obj =>
|
||||
wrapper: (obj) =>
|
||||
this._wrapped: obj
|
||||
this
|
||||
|
||||
|
|
@ -31,7 +31,7 @@
|
|||
|
||||
|
||||
# Create a safe reference to the Underscore object forreference below.
|
||||
_: root._: obj => new wrapper(obj)
|
||||
_: root._: (obj) => new wrapper(obj)
|
||||
|
||||
|
||||
# Export the Underscore object for CommonJS.
|
||||
|
|
@ -54,7 +54,7 @@
|
|||
|
||||
# The cornerstone, an each implementation.
|
||||
# Handles objects implementing forEach, arrays, and raw objects.
|
||||
_.each: obj, iterator, context =>
|
||||
_.each: (obj, iterator, context) =>
|
||||
index: 0
|
||||
try
|
||||
return obj.forEach(iterator, context) if obj.forEach
|
||||
|
|
@ -68,36 +68,36 @@
|
|||
|
||||
# Return the results of applying the iterator to each element. Use JavaScript
|
||||
# 1.6's version of map, if possible.
|
||||
_.map: obj, iterator, context =>
|
||||
_.map: (obj, iterator, context) =>
|
||||
return obj.map(iterator, context) if (obj and _.isFunction(obj.map))
|
||||
results: []
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
results.push(iterator.call(context, value, index, list))
|
||||
results
|
||||
|
||||
|
||||
# Reduce builds up a single result from a list of values. Also known as
|
||||
# inject, or foldl. Uses JavaScript 1.8's version of reduce, if possible.
|
||||
_.reduce: obj, memo, iterator, context =>
|
||||
_.reduce: (obj, memo, iterator, context) =>
|
||||
return obj.reduce(_.bind(iterator, context), memo) if (obj and _.isFunction(obj.reduce))
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
memo: iterator.call(context, memo, value, index, list)
|
||||
memo
|
||||
|
||||
|
||||
# The right-associative version of reduce, also known as foldr. Uses
|
||||
# JavaScript 1.8's version of reduceRight, if available.
|
||||
_.reduceRight: obj, memo, iterator, context =>
|
||||
_.reduceRight: (obj, memo, iterator, context) =>
|
||||
return obj.reduceRight(_.bind(iterator, context), memo) if (obj and _.isFunction(obj.reduceRight))
|
||||
_.each(_.clone(_.toArray(obj)).reverse()) value, index =>
|
||||
_.each(_.clone(_.toArray(obj)).reverse()) (value, index) =>
|
||||
memo: iterator.call(context, memo, value, index, obj)
|
||||
memo
|
||||
|
||||
|
||||
# Return the first value which passes a truth test.
|
||||
_.detect: obj, iterator, context =>
|
||||
_.detect: (obj, iterator, context) =>
|
||||
result: null
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
if iterator.call(context, value, index, list)
|
||||
result: value
|
||||
_.breakLoop()
|
||||
|
|
@ -106,47 +106,47 @@
|
|||
|
||||
# Return all the elements that pass a truth test. Use JavaScript 1.6's
|
||||
# filter(), if it exists.
|
||||
_.select: obj, iterator, context =>
|
||||
_.select: (obj, iterator, context) =>
|
||||
if obj and _.isFunction(obj.filter) then return obj.filter(iterator, context)
|
||||
results: []
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
results.push(value) if iterator.call(context, value, index, list)
|
||||
results
|
||||
|
||||
|
||||
# Return all the elements for which a truth test fails.
|
||||
_.reject: obj, iterator, context =>
|
||||
_.reject: (obj, iterator, context) =>
|
||||
results: []
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
results.push(value) if not iterator.call(context, value, index, list)
|
||||
results
|
||||
|
||||
|
||||
# Determine whether all of the elements match a truth test. Delegate to
|
||||
# JavaScript 1.6's every(), if it is present.
|
||||
_.all: obj, iterator, context =>
|
||||
_.all: (obj, iterator, context) =>
|
||||
iterator ||= _.identity
|
||||
return obj.every(iterator, context) if obj and _.isFunction(obj.every)
|
||||
result: true
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
_.breakLoop() unless (result: result and iterator.call(context, value, index, list))
|
||||
result
|
||||
|
||||
|
||||
# Determine if at least one element in the object matches a truth test. Use
|
||||
# JavaScript 1.6's some(), if it exists.
|
||||
_.any: obj, iterator, context =>
|
||||
_.any: (obj, iterator, context) =>
|
||||
iterator ||= _.identity
|
||||
return obj.some(iterator, context) if obj and _.isFunction(obj.some)
|
||||
result: false
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
_.breakLoop() if (result: iterator.call(context, value, index, list))
|
||||
result
|
||||
|
||||
|
||||
# Determine if a given value is included in the array or object,
|
||||
# based on '==='.
|
||||
_.include: obj, target =>
|
||||
_.include: (obj, target) =>
|
||||
return _.indexOf(obj, target) isnt -1 if _.isArray(obj)
|
||||
for key, val of obj
|
||||
return true if val is target
|
||||
|
|
@ -154,41 +154,41 @@
|
|||
|
||||
|
||||
# Invoke a method with arguments on every item in a collection.
|
||||
_.invoke: obj, method =>
|
||||
_.invoke: (obj, method) =>
|
||||
args: _.rest(arguments, 2)
|
||||
(if method then val[method] else val).apply(val, args) for val in obj
|
||||
|
||||
|
||||
# Convenience version of a common use case of map: fetching a property.
|
||||
_.pluck: obj, key =>
|
||||
_.map(obj, (val => val[key]))
|
||||
_.pluck: (obj, key) =>
|
||||
_.map(obj, ((val) => val[key]))
|
||||
|
||||
|
||||
# Return the maximum item or (item-based computation).
|
||||
_.max: obj, iterator, context =>
|
||||
_.max: (obj, iterator, context) =>
|
||||
return Math.max.apply(Math, obj) if not iterator and _.isArray(obj)
|
||||
result: {computed: -Infinity}
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
computed: if iterator then iterator.call(context, value, index, list) else value
|
||||
computed >= result.computed and (result: {value: value, computed: computed})
|
||||
result.value
|
||||
|
||||
|
||||
# Return the minimum element (or element-based computation).
|
||||
_.min: obj, iterator, context =>
|
||||
_.min: (obj, iterator, context) =>
|
||||
return Math.min.apply(Math, obj) if not iterator and _.isArray(obj)
|
||||
result: {computed: Infinity}
|
||||
_.each(obj) value, index, list =>
|
||||
_.each(obj) (value, index, list) =>
|
||||
computed: if iterator then iterator.call(context, value, index, list) else value
|
||||
computed < result.computed and (result: {value: value, computed: computed})
|
||||
result.value
|
||||
|
||||
|
||||
# Sort the object's values by a criteria produced by an iterator.
|
||||
_.sortBy: obj, iterator, context =>
|
||||
_.pluck(((_.map(obj) value, index, list =>
|
||||
_.sortBy: (obj, iterator, context) =>
|
||||
_.pluck(((_.map(obj) (value, index, list) =>
|
||||
{value: value, criteria: iterator.call(context, value, index, list)}
|
||||
).sort() left, right =>
|
||||
).sort() (left, right) =>
|
||||
a: left.criteria; b: right.criteria
|
||||
if a < b then -1 else if a > b then 1 else 0
|
||||
), 'value')
|
||||
|
|
@ -196,7 +196,7 @@
|
|||
|
||||
# Use a comparator function to figure out at what index an object should
|
||||
# be inserted so as to maintain order. Uses binary search.
|
||||
_.sortedIndex: array, obj, iterator =>
|
||||
_.sortedIndex: (array, obj, iterator) =>
|
||||
iterator ||= _.identity
|
||||
low: 0; high: array.length
|
||||
while low < high
|
||||
|
|
@ -206,7 +206,7 @@
|
|||
|
||||
|
||||
# Convert anything iterable into a real, live array.
|
||||
_.toArray: iterable =>
|
||||
_.toArray: (iterable) =>
|
||||
return [] if (!iterable)
|
||||
return iterable.toArray() if (iterable.toArray)
|
||||
return iterable if (_.isArray(iterable))
|
||||
|
|
@ -215,7 +215,7 @@
|
|||
|
||||
|
||||
# Return the number of elements in an object.
|
||||
_.size: obj => _.toArray(obj).length
|
||||
_.size: (obj) => _.toArray(obj).length
|
||||
|
||||
|
||||
# -------------------------- Array Functions: ------------------------------
|
||||
|
|
@ -223,7 +223,7 @@
|
|||
# Get the first element of an array. Passing "n" will return the first N
|
||||
# values in the array. Aliased as "head". The "guard" check allows it to work
|
||||
# with _.map.
|
||||
_.first: array, n, guard =>
|
||||
_.first: (array, n, guard) =>
|
||||
if n and not guard then slice.call(array, 0, n) else array[0]
|
||||
|
||||
|
||||
|
|
@ -231,35 +231,35 @@
|
|||
# Especially useful on the arguments object. Passing an "index" will return
|
||||
# the rest of the values in the array from that index onward. The "guard"
|
||||
# check allows it to work with _.map.
|
||||
_.rest: array, index, guard =>
|
||||
_.rest: (array, index, guard) =>
|
||||
slice.call(array, if _.isUndefined(index) or guard then 1 else index)
|
||||
|
||||
|
||||
# Get the last element of an array.
|
||||
_.last: array => array[array.length - 1]
|
||||
_.last: (array) => array[array.length - 1]
|
||||
|
||||
|
||||
# Trim out all falsy values from an array.
|
||||
_.compact: array => array[i] for i in [0...array.length] when array[i]
|
||||
_.compact: (array) => array[i] for i in [0...array.length] when array[i]
|
||||
|
||||
|
||||
# Return a completely flattened version of an array.
|
||||
_.flatten: array =>
|
||||
_.reduce(array, []) memo, value =>
|
||||
_.flatten: (array) =>
|
||||
_.reduce(array, []) (memo, value) =>
|
||||
return memo.concat(_.flatten(value)) if _.isArray(value)
|
||||
memo.push(value)
|
||||
memo
|
||||
|
||||
|
||||
# Return a version of the array that does not contain the specified value(s).
|
||||
_.without: array =>
|
||||
_.without: (array) =>
|
||||
values: _.rest(arguments)
|
||||
val for val in _.toArray(array) when not _.include(values, val)
|
||||
|
||||
|
||||
# Produce a duplicate-free version of the array. If the array has already
|
||||
# been sorted, you have the option of using a faster algorithm.
|
||||
_.uniq: array, isSorted =>
|
||||
_.uniq: (array, isSorted) =>
|
||||
memo: []
|
||||
for el, i in _.toArray(array)
|
||||
memo.push(el) if i is 0 || (if isSorted is true then _.last(memo) isnt el else not _.include(memo, el))
|
||||
|
|
@ -268,28 +268,27 @@
|
|||
|
||||
# Produce an array that contains every item shared between all the
|
||||
# passed-in arrays.
|
||||
_.intersect: array =>
|
||||
_.intersect: (array) =>
|
||||
rest: _.rest(arguments)
|
||||
_.select(_.uniq(array)) item =>
|
||||
_.all(rest) other =>
|
||||
_.select(_.uniq(array)) (item) =>
|
||||
_.all(rest) (other) =>
|
||||
_.indexOf(other, item) >= 0
|
||||
|
||||
|
||||
# Zip together multiple lists into a single array -- elements that share
|
||||
# an index go together.
|
||||
_.zip: =>
|
||||
args: _.toArray(arguments)
|
||||
length: _.max(_.pluck(args, 'length'))
|
||||
_.zip: () =>
|
||||
length: _.max(_.pluck(arguments, 'length'))
|
||||
results: new Array(length)
|
||||
for i in [0...length]
|
||||
results[i]: _.pluck(args, String(i))
|
||||
results[i]: _.pluck(arguments, String(i))
|
||||
results
|
||||
|
||||
|
||||
# If the browser doesn't supply us with indexOf (I'm looking at you, MSIE),
|
||||
# we need this function. Return the position of the first occurence of an
|
||||
# item in an array, or -1 if the item is not included in the array.
|
||||
_.indexOf: array, item =>
|
||||
_.indexOf: (array, item) =>
|
||||
return array.indexOf(item) if array.indexOf
|
||||
i: 0; l: array.length
|
||||
while l - i
|
||||
|
|
@ -299,7 +298,7 @@
|
|||
|
||||
# Provide JavaScript 1.6's lastIndexOf, delegating to the native function,
|
||||
# if possible.
|
||||
_.lastIndexOf: array, item =>
|
||||
_.lastIndexOf: (array, item) =>
|
||||
return array.lastIndexOf(item) if array.lastIndexOf
|
||||
i: array.length
|
||||
while i
|
||||
|
|
@ -310,8 +309,8 @@
|
|||
# Generate an integer Array containing an arithmetic progression. A port of
|
||||
# the native Python range() function. See:
|
||||
# http://docs.python.org/library/functions.html#range
|
||||
_.range: start, stop, step =>
|
||||
a: _.toArray(arguments)
|
||||
_.range: (start, stop, step) =>
|
||||
a: arguments
|
||||
solo: a.length <= 1
|
||||
i: start: if solo then 0 else a[0];
|
||||
stop: if solo then a[0] else a[1];
|
||||
|
|
@ -331,45 +330,45 @@
|
|||
|
||||
# Create a function bound to a given object (assigning 'this', and arguments,
|
||||
# optionally). Binding with arguments is also known as 'curry'.
|
||||
_.bind: func, obj =>
|
||||
_.bind: (func, obj) =>
|
||||
args: _.rest(arguments, 2)
|
||||
=> func.apply(obj or root, args.concat(_.toArray(arguments)))
|
||||
() => func.apply(obj or root, args.concat(arguments))
|
||||
|
||||
|
||||
# Bind all of an object's methods to that object. Useful for ensuring that
|
||||
# all callbacks defined on an object belong to it.
|
||||
_.bindAll: obj =>
|
||||
_.bindAll: (obj) =>
|
||||
funcs: if arguments.length > 1 then _.rest(arguments) else _.functions(obj)
|
||||
_.each(funcs, (f => obj[f]: _.bind(obj[f], obj)))
|
||||
_.each(funcs, (f) => obj[f]: _.bind(obj[f], obj))
|
||||
obj
|
||||
|
||||
|
||||
# Delays a function for the given number of milliseconds, and then calls
|
||||
# it with the arguments supplied.
|
||||
_.delay: func, wait =>
|
||||
_.delay: (func, wait) =>
|
||||
args: _.rest(arguments, 2)
|
||||
setTimeout((=> func.apply(func, args)), wait)
|
||||
setTimeout((() => func.apply(func, args)), wait)
|
||||
|
||||
|
||||
# Defers a function, scheduling it to run after the current call stack has
|
||||
# cleared.
|
||||
_.defer: func =>
|
||||
_.defer: (func) =>
|
||||
_.delay.apply(_, [func, 1].concat(_.rest(arguments)))
|
||||
|
||||
|
||||
# Returns the first function passed as an argument to the second,
|
||||
# allowing you to adjust arguments, run code before and after, and
|
||||
# conditionally execute the original function.
|
||||
_.wrap: func, wrapper =>
|
||||
=> wrapper.apply(wrapper, [func].concat(_.toArray(arguments)))
|
||||
_.wrap: (func, wrapper) =>
|
||||
() => wrapper.apply(wrapper, [func].concat(arguments))
|
||||
|
||||
|
||||
# Returns a function that is the composition of a list of functions, each
|
||||
# consuming the return value of the function that follows.
|
||||
_.compose: =>
|
||||
funcs: _.toArray(arguments)
|
||||
=>
|
||||
args: _.toArray(arguments)
|
||||
_.compose: () =>
|
||||
funcs: arguments
|
||||
() =>
|
||||
args: arguments
|
||||
for i in [(funcs.length - 1)..0]
|
||||
args: [funcs[i].apply(this, args)]
|
||||
args[0]
|
||||
|
|
@ -378,43 +377,43 @@
|
|||
# ------------------------- Object Functions: ----------------------------
|
||||
|
||||
# Retrieve the names of an object's properties.
|
||||
_.keys: obj =>
|
||||
_.keys: (obj) =>
|
||||
return _.range(0, obj.length) if _.isArray(obj)
|
||||
key for key, val of obj
|
||||
|
||||
|
||||
# Retrieve the values of an object's properties.
|
||||
_.values: obj =>
|
||||
_.values: (obj) =>
|
||||
_.map(obj, _.identity)
|
||||
|
||||
|
||||
# Return a sorted list of the function names available in Underscore.
|
||||
_.functions: obj =>
|
||||
_.select(_.keys(obj), key => _.isFunction(obj[key])).sort()
|
||||
_.functions: (obj) =>
|
||||
_.select(_.keys(obj), (key) => _.isFunction(obj[key])).sort()
|
||||
|
||||
|
||||
# Extend a given object with all of the properties in a source object.
|
||||
_.extend: destination, source =>
|
||||
_.extend: (destination, source) =>
|
||||
for key, val of source
|
||||
destination[key]: val
|
||||
destination
|
||||
|
||||
|
||||
# Create a (shallow-cloned) duplicate of an object.
|
||||
_.clone: obj =>
|
||||
_.clone: (obj) =>
|
||||
return obj.slice(0) if _.isArray(obj)
|
||||
_.extend({}, obj)
|
||||
|
||||
|
||||
# Invokes interceptor with the obj, and then returns obj.
|
||||
# The primary purpose of this method is to "tap into" a method chain, in order to perform operations on intermediate results within the chain.
|
||||
_.tap: obj, interceptor =>
|
||||
_.tap: (obj, interceptor) =>
|
||||
interceptor(obj)
|
||||
obj
|
||||
|
||||
|
||||
# Perform a deep comparison to check if two objects are equal.
|
||||
_.isEqual: a, b =>
|
||||
_.isEqual: (a, b) =>
|
||||
# Check object identity.
|
||||
return true if a is b
|
||||
# Different types?
|
||||
|
|
@ -450,81 +449,81 @@
|
|||
|
||||
|
||||
# Is a given array or object empty?
|
||||
_.isEmpty: obj => _.keys(obj).length is 0
|
||||
_.isEmpty: (obj) => _.keys(obj).length is 0
|
||||
|
||||
|
||||
# Is a given value a DOM element?
|
||||
_.isElement: obj => obj and obj.nodeType is 1
|
||||
_.isElement: (obj) => obj and obj.nodeType is 1
|
||||
|
||||
|
||||
# Is a given value an array?
|
||||
_.isArray: obj => !!(obj and obj.concat and obj.unshift)
|
||||
_.isArray: (obj) => !!(obj and obj.concat and obj.unshift)
|
||||
|
||||
|
||||
# Is a given variable an arguments object?
|
||||
_.isArguments: obj => obj and _.isNumber(obj.length) and !_.isArray(obj) and !propertyIsEnumerable.call(obj, 'length')
|
||||
_.isArguments: (obj) => obj and _.isNumber(obj.length) and !_.isArray(obj) and !propertyIsEnumerable.call(obj, 'length')
|
||||
|
||||
|
||||
# Is the given value a function?
|
||||
_.isFunction: obj => !!(obj and obj.constructor and obj.call and obj.apply)
|
||||
_.isFunction: (obj) => !!(obj and obj.constructor and obj.call and obj.apply)
|
||||
|
||||
|
||||
# Is the given value a string?
|
||||
_.isString: obj => !!(obj is '' or (obj and obj.charCodeAt and obj.substr))
|
||||
_.isString: (obj) => !!(obj is '' or (obj and obj.charCodeAt and obj.substr))
|
||||
|
||||
|
||||
# Is a given value a number?
|
||||
_.isNumber: obj => toString.call(obj) is '[object Number]'
|
||||
_.isNumber: (obj) => toString.call(obj) is '[object Number]'
|
||||
|
||||
|
||||
# Is a given value a Date?
|
||||
_.isDate: obj => !!(obj and obj.getTimezoneOffset and obj.setUTCFullYear)
|
||||
_.isDate: (obj) => !!(obj and obj.getTimezoneOffset and obj.setUTCFullYear)
|
||||
|
||||
|
||||
# Is the given value a regular expression?
|
||||
_.isRegExp: obj => !!(obj and obj.exec and (obj.ignoreCase or obj.ignoreCase is false))
|
||||
_.isRegExp: (obj) => !!(obj and obj.exec and (obj.ignoreCase or obj.ignoreCase is false))
|
||||
|
||||
|
||||
# Is the given value NaN -- this one is interesting. NaN != NaN, and
|
||||
# isNaN(undefined) == true, so we make sure it's a number first.
|
||||
_.isNaN: obj => _.isNumber(obj) and window.isNaN(obj)
|
||||
_.isNaN: (obj) => _.isNumber(obj) and window.isNaN(obj)
|
||||
|
||||
|
||||
# Is a given value equal to null?
|
||||
_.isNull: obj => obj is null
|
||||
_.isNull: (obj) => obj is null
|
||||
|
||||
|
||||
# Is a given variable undefined?
|
||||
_.isUndefined: obj => typeof obj is 'undefined'
|
||||
_.isUndefined: (obj) => typeof obj is 'undefined'
|
||||
|
||||
|
||||
# -------------------------- Utility Functions: --------------------------
|
||||
|
||||
# Run Underscore.js in noConflict mode, returning the '_' variable to its
|
||||
# previous owner. Returns a reference to the Underscore object.
|
||||
_.noConflict: =>
|
||||
_.noConflict: () =>
|
||||
root._: previousUnderscore
|
||||
this
|
||||
|
||||
|
||||
# Keep the identity function around for default iterators.
|
||||
_.identity: value => value
|
||||
_.identity: (value) => value
|
||||
|
||||
|
||||
# Break out of the middle of an iteration.
|
||||
_.breakLoop: => throw breaker
|
||||
_.breakLoop: () => throw breaker
|
||||
|
||||
|
||||
# Generate a unique integer id (unique within the entire client session).
|
||||
# Useful for temporary DOM ids.
|
||||
idCounter: 0
|
||||
_.uniqueId: prefix =>
|
||||
_.uniqueId: (prefix) =>
|
||||
(prefix or '') + idCounter++
|
||||
|
||||
|
||||
# JavaScript templating a-la ERB, pilfered from John Resig's
|
||||
# "Secrets of the JavaScript Ninja", page 83.
|
||||
_.template: str, data =>
|
||||
_.template: (str, data) =>
|
||||
`var fn = new Function('obj',
|
||||
'var p=[],print=function(){p.push.apply(p,arguments);};' +
|
||||
'with(obj){p.push(\'' +
|
||||
|
|
@ -556,39 +555,38 @@
|
|||
# /*------------------------ Setup the OOP Wrapper: --------------------------*/
|
||||
|
||||
# Helper function to continue chaining intermediate results.
|
||||
result: obj, chain =>
|
||||
result: (obj, chain) =>
|
||||
if chain then _(obj).chain() else obj
|
||||
|
||||
|
||||
# Add all of the Underscore functions to the wrapper object.
|
||||
_.each(_.functions(_)) name =>
|
||||
_.each(_.functions(_)) (name) =>
|
||||
method: _[name]
|
||||
wrapper.prototype[name]: =>
|
||||
args: _.toArray(arguments)
|
||||
unshift.call(args, this._wrapped)
|
||||
wrapper.prototype[name]: () =>
|
||||
unshift.call(arguments, this._wrapped)
|
||||
result(method.apply(_, args), this._chain)
|
||||
|
||||
|
||||
# Add all mutator Array functions to the wrapper.
|
||||
_.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift']) name =>
|
||||
_.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift']) (name) =>
|
||||
method: Array.prototype[name]
|
||||
wrapper.prototype[name]: =>
|
||||
wrapper.prototype[name]: () =>
|
||||
method.apply(this._wrapped, arguments)
|
||||
result(this._wrapped, this._chain)
|
||||
|
||||
|
||||
# Add all accessor Array functions to the wrapper.
|
||||
_.each(['concat', 'join', 'slice']) name =>
|
||||
_.each(['concat', 'join', 'slice']) (name) =>
|
||||
method: Array.prototype[name]
|
||||
wrapper.prototype[name]: =>
|
||||
wrapper.prototype[name]: () =>
|
||||
result(method.apply(this._wrapped, arguments), this._chain)
|
||||
|
||||
|
||||
# Start chaining a wrapped Underscore object.
|
||||
wrapper::chain: =>
|
||||
wrapper::chain: () =>
|
||||
this._chain: true
|
||||
this
|
||||
|
||||
|
||||
# Extracts the result from a wrapped and chained object.
|
||||
wrapper::value: => this._wrapped
|
||||
wrapper::value: () => this._wrapped
|
||||
|
|
|
|||
|
|
@ -19,17 +19,12 @@
|
|||
<dict>
|
||||
<key>captures</key>
|
||||
<dict>
|
||||
<key>1</key>
|
||||
<key>1</key>
|
||||
<dict>
|
||||
<key>name</key>
|
||||
<string>entity.name.function.coffee</string>
|
||||
<string>storage.type.function.coffee</string>
|
||||
</dict>
|
||||
<key>2</key>
|
||||
<dict>
|
||||
<key>name</key>
|
||||
<string>keyword.operator.coffee</string>
|
||||
</dict>
|
||||
<key>3</key>
|
||||
<dict>
|
||||
<key>name</key>
|
||||
<string>variable.parameter.function.coffee</string>
|
||||
|
|
@ -39,23 +34,7 @@
|
|||
<key>name</key>
|
||||
<string>storage.type.function.coffee</string>
|
||||
</dict>
|
||||
</dict>
|
||||
<key>comment</key>
|
||||
<string>match stuff like: funcName: => … </string>
|
||||
<key>match</key>
|
||||
<string>([a-zA-Z0-9_?.$:*]*?)\s*(=\b|:\b)\s*([\w,\s]*?)\s*(=+>)</string>
|
||||
<key>name</key>
|
||||
<string>meta.function.coffee</string>
|
||||
</dict>
|
||||
<dict>
|
||||
<key>captures</key>
|
||||
<dict>
|
||||
<key>1</key>
|
||||
<dict>
|
||||
<key>name</key>
|
||||
<string>variable.parameter.function.coffee</string>
|
||||
</dict>
|
||||
<key>3</key>
|
||||
<key>5</key>
|
||||
<dict>
|
||||
<key>name</key>
|
||||
<string>storage.type.function.coffee</string>
|
||||
|
|
@ -64,7 +43,7 @@
|
|||
<key>comment</key>
|
||||
<string>match stuff like: a => … </string>
|
||||
<key>match</key>
|
||||
<string>([a-zA-Z0-9_?.$]*(,\s*[a-zA-Z0-9_?.$]+)*)\s*(=+>)</string>
|
||||
<string>(\()([a-zA-Z0-9_?.$]*(,\s*[a-zA-Z0-9_?.$]+)*)(\))\s*(=+>)</string>
|
||||
<key>name</key>
|
||||
<string>meta.inline.function.coffee</string>
|
||||
</dict>
|
||||
|
|
|
|||
51
index.html
51
index.html
|
|
@ -85,7 +85,7 @@
|
|||
<span class="FunctionName">number</span><span class="Keyword">:</span> <span class="Keyword">-</span><span class="Number">42</span> <span class="Keyword">if</span> opposite_day
|
||||
|
||||
<span class="Comment"><span class="Comment">#</span> Functions:</span>
|
||||
<span class="FunctionName">square</span><span class="Keyword">:</span> <span class="FunctionArgument">x</span> <span class="Storage">=></span> x <span class="Keyword">*</span> x
|
||||
<span class="FunctionName">square</span><span class="Keyword">:</span> (x) <span class="Storage">=></span> x <span class="Keyword">*</span> x
|
||||
|
||||
<span class="Comment"><span class="Comment">#</span> Arrays:</span>
|
||||
<span class="FunctionName">list</span><span class="Keyword">:</span> [<span class="Number">1</span>, <span class="Number">2</span>, <span class="Number">3</span>, <span class="Number">4</span>, <span class="Number">5</span>]
|
||||
|
|
@ -94,11 +94,11 @@
|
|||
<span class="FunctionName">math</span><span class="Keyword">:</span> {
|
||||
<span class="FunctionName">root</span><span class="Keyword">:</span> Math.sqrt
|
||||
<span class="FunctionName">square</span><span class="Keyword">:</span> square
|
||||
<span class="FunctionName">cube</span><span class="Keyword">:</span> <span class="FunctionArgument">x</span> <span class="Storage">=></span> x <span class="Keyword">*</span> square(x)
|
||||
<span class="FunctionName">cube</span><span class="Keyword">:</span> (x) <span class="Storage">=></span> x <span class="Keyword">*</span> square x
|
||||
}
|
||||
|
||||
<span class="Comment"><span class="Comment">#</span> Splats:</span>
|
||||
<span class="FunctionName">race</span><span class="Keyword">:</span> <span class="FunctionArgument">winner, runners...</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">race</span><span class="Keyword">:</span> (winner, runners...) <span class="Storage">=></span>
|
||||
print winner, runners
|
||||
|
||||
<span class="Comment"><span class="Comment">#</span> Existence:</span>
|
||||
|
|
@ -271,7 +271,7 @@ gem install coffee-script</pre>
|
|||
<td><code>-e, --eval</code></td>
|
||||
<td>
|
||||
Compile and print a little snippet of CoffeeScript directly from the
|
||||
command line (or from <b>stdin</b>). For example:<br /><tt>coffee -e "square: x => x * x"</tt>
|
||||
command line (or from <b>stdin</b>). For example:<br /><tt>coffee -e "square: (x) => x * x"</tt>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
|
|
@ -356,8 +356,8 @@ coffee --print app/scripts/*.coffee > concatenation.js</pre>
|
|||
function body. The empty function looks like this: <tt>=></tt>. All
|
||||
functions in CoffeeScript are named by default, for easier debugging.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">square</span><span class="Keyword">:</span> <span class="FunctionArgument">x</span> <span class="Storage">=></span> x <span class="Keyword">*</span> x
|
||||
<span class="FunctionName">cube</span><span class="Keyword">:</span> <span class="FunctionArgument">x</span> <span class="Storage">=></span> square(x) <span class="Keyword">*</span> x
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">square</span><span class="Keyword">:</span> (x) <span class="Storage">=></span> x <span class="Keyword">*</span> x
|
||||
<span class="FunctionName">cube</span><span class="Keyword">:</span> (x) <span class="Storage">=></span> square(x) <span class="Keyword">*</span> x
|
||||
</pre><pre class="idle"><span class="Storage">var</span> cube, square;
|
||||
square <span class="Keyword">=</span> <span class="Storage">function</span> <span class="FunctionName">square</span>(<span class="FunctionArgument">x</span>) {
|
||||
<span class="Keyword">return</span> x <span class="Keyword">*</span> x;
|
||||
|
|
@ -375,7 +375,7 @@ cube = function cube(x) {
|
|||
;alert(cube(5));'>run: cube(5)</button><br class='clear' /></div>
|
||||
<p>
|
||||
If you'd like to create an anonymous function, just wrap it in parentheses:
|
||||
<tt>(x => x * x)</tt>
|
||||
<tt>((x) => x * x)</tt>
|
||||
</p>
|
||||
|
||||
<p id="assignment">
|
||||
|
|
@ -444,7 +444,7 @@ matrix = [1, 0, 1, 0, 0, 1, 1, 1, 0];
|
|||
<tt>var</tt> yourself.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">num</span><span class="Keyword">:</span> <span class="Number">1</span>
|
||||
<span class="FunctionName">change_numbers</span><span class="Keyword">:</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">change_numbers</span><span class="Keyword">:</span> () <span class="Storage">=></span>
|
||||
<span class="FunctionName">new_num</span><span class="Keyword">:</span> <span class="Keyword">-</span><span class="Number">1</span>
|
||||
<span class="FunctionName">num</span><span class="Keyword">:</span> <span class="Number">10</span>
|
||||
<span class="FunctionName">new_num</span><span class="Keyword">:</span> change_numbers()
|
||||
|
|
@ -615,7 +615,7 @@ car.speed <span class="Keyword"><</span> speed_limit ? accelerate() : <span c
|
|||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">gold</span><span class="Keyword">:</span> <span class="FunctionName">silver</span><span class="Keyword">:</span> <span class="FunctionName">the_field</span><span class="Keyword">:</span> <span class="String"><span class="String">"</span>unknown<span class="String">"</span></span>
|
||||
|
||||
<span class="FunctionName">medalists</span><span class="Keyword">:</span> <span class="FunctionArgument">first, second, rest...</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">medalists</span><span class="Keyword">:</span> (first, second, rest...) <span class="Storage">=></span>
|
||||
<span class="FunctionName">gold</span><span class="Keyword">:</span> first
|
||||
<span class="FunctionName">silver</span><span class="Keyword">:</span> second
|
||||
<span class="FunctionName">the_field</span><span class="Keyword">:</span> rest
|
||||
|
|
@ -675,7 +675,7 @@ alert("The Field: " + the_field);
|
|||
<a href="https://developer.mozilla.org/En/Core_JavaScript_1.5_Reference/Objects/Array">Array methods</a>
|
||||
available.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">backwards</span><span class="Keyword">:</span> <span class="Storage">=></span>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">backwards</span><span class="Keyword">:</span> () <span class="Storage">=></span>
|
||||
alert arguments.reverse()
|
||||
|
||||
backwards <span class="String"><span class="String">"</span>stairway<span class="String">"</span></span>, <span class="String"><span class="String">"</span>to<span class="String">"</span></span>, <span class="String"><span class="String">"</span>heaven<span class="String">"</span></span>
|
||||
|
|
@ -807,7 +807,7 @@ __d <span class="Keyword">=</span> asteroids;
|
|||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">countdown</span><span class="Keyword">:</span> num <span class="Keyword">for</span> num <span class="Keyword">in</span> [<span class="Number">10</span>..<span class="Number">1</span>]
|
||||
|
||||
<span class="FunctionName">egg_delivery</span><span class="Keyword">:</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">egg_delivery</span><span class="Keyword">:</span> () <span class="Storage">=></span>
|
||||
<span class="Keyword">for</span> i <span class="Keyword">in</span> [<span class="Number">0</span>...eggs.length] <span class="Keyword">by</span> <span class="Number">12</span>
|
||||
<span class="FunctionName">dozen_eggs</span><span class="Keyword">:</span> eggs[i...i<span class="Keyword">+</span><span class="Number">12</span>]
|
||||
deliver <span class="Keyword">new</span> <span class="TypeName">egg_carton</span>(dozen)
|
||||
|
|
@ -945,7 +945,7 @@ numbers.splice.apply(numbers, [3, 6 - 3 + 1].concat([-3, -4, -5, -6]));
|
|||
pushed down into each possible branch of execution, in the function
|
||||
below.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">grade</span><span class="Keyword">:</span> <span class="FunctionArgument">student</span> <span class="Storage">=></span>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">grade</span><span class="Keyword">:</span> (student) <span class="Storage">=></span>
|
||||
<span class="Keyword">if</span> student.excellent_work
|
||||
<span class="String"><span class="String">"</span>A+<span class="String">"</span></span>
|
||||
<span class="Keyword">else</span> <span class="Keyword">if</span> student.okay_stuff
|
||||
|
|
@ -1078,19 +1078,19 @@ globals = ((function() {
|
|||
object's prototype, and converts <tt>super()</tt> into a call against
|
||||
the immediate ancestor's method of the same name.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">Animal</span><span class="Keyword">:</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">Animal::move</span><span class="Keyword">:</span> <span class="FunctionArgument">meters</span> <span class="Storage">=></span>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">Animal</span><span class="Keyword">:</span> () <span class="Storage">=></span>
|
||||
<span class="FunctionName">Animal::move</span><span class="Keyword">:</span> (meters) <span class="Storage">=></span>
|
||||
alert <span class="Variable">this</span>.name <span class="Keyword">+</span> <span class="String"><span class="String">"</span> moved <span class="String">"</span></span> <span class="Keyword">+</span> meters <span class="Keyword">+</span> <span class="String"><span class="String">"</span>m.<span class="String">"</span></span>
|
||||
|
||||
<span class="FunctionName">Snake</span><span class="Keyword">:</span> <span class="FunctionArgument">name</span> <span class="Storage">=></span> <span class="FunctionName">this.name</span><span class="Keyword">:</span> name
|
||||
<span class="FunctionName">Snake</span><span class="Keyword">:</span> (name) <span class="Storage">=></span> <span class="FunctionName">this.name</span><span class="Keyword">:</span> name
|
||||
Snake <span class="Variable">extends</span> Animal
|
||||
<span class="FunctionName">Snake::move</span><span class="Keyword">:</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">Snake::move</span><span class="Keyword">:</span> () <span class="Storage">=></span>
|
||||
alert <span class="String"><span class="String">"</span>Slithering...<span class="String">"</span></span>
|
||||
<span class="Variable">super</span> <span class="Number">5</span>
|
||||
|
||||
<span class="FunctionName">Horse</span><span class="Keyword">:</span> <span class="FunctionArgument">name</span> <span class="Storage">=></span> <span class="FunctionName">this.name</span><span class="Keyword">:</span> name
|
||||
<span class="FunctionName">Horse</span><span class="Keyword">:</span> (name) <span class="Storage">=></span> <span class="FunctionName">this.name</span><span class="Keyword">:</span> name
|
||||
Horse <span class="Variable">extends</span> Animal
|
||||
<span class="FunctionName">Horse::move</span><span class="Keyword">:</span> <span class="Storage">=></span>
|
||||
<span class="FunctionName">Horse::move</span><span class="Keyword">:</span> () <span class="Storage">=></span>
|
||||
alert <span class="String"><span class="String">"</span>Galloping...<span class="String">"</span></span>
|
||||
<span class="Variable">super</span> <span class="Number">45</span>
|
||||
|
||||
|
|
@ -1186,8 +1186,8 @@ tom.move();
|
|||
final functions easier to pass, CoffeeScript includes block syntax,
|
||||
so you don't have to close the parentheses on the other side.
|
||||
</p>
|
||||
<div class='code'><pre class="idle">$(<span class="String"><span class="String">'</span>table.list<span class="String">'</span></span>).each() <span class="FunctionArgument">table</span> <span class="Storage">=></span>
|
||||
$(<span class="String"><span class="String">'</span>tr.account<span class="String">'</span></span>, table).each() <span class="FunctionArgument">row</span> <span class="Storage">=></span>
|
||||
<div class='code'><pre class="idle">$(<span class="String"><span class="String">'</span>table.list<span class="String">'</span></span>).each (table) <span class="Storage">=></span>
|
||||
$(<span class="String"><span class="String">'</span>tr.account<span class="String">'</span></span>, table).each (row) <span class="Storage">=></span>
|
||||
row.show()
|
||||
row.highlight()
|
||||
</pre><pre class="idle"><span class="Keyword">$</span>(<span class="String"><span class="String">'</span>table.list<span class="String">'</span></span>).each(<span class="Storage">function</span>(table) {
|
||||
|
|
@ -1197,11 +1197,6 @@ tom.move();
|
|||
});
|
||||
});
|
||||
</pre><br class='clear' /></div>
|
||||
<p>
|
||||
If you prefer not to use blocks, you'll need to add a pair of parentheses
|
||||
to help distinguish the arguments from the definition of the function:
|
||||
<tt>_.map(array, (num => num * 2))</tt>
|
||||
</p>
|
||||
|
||||
<p id="pattern_matching">
|
||||
<b class="header">Pattern Matching (Destructuring Assignment)</b>
|
||||
|
|
@ -1234,7 +1229,7 @@ and_switch = __a[1];
|
|||
But it's also helpful for dealing with functions that return multiple
|
||||
values.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">weather_report</span><span class="Keyword">:</span> <span class="FunctionArgument">location</span> <span class="Storage">=></span>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">weather_report</span><span class="Keyword">:</span> (location) <span class="Storage">=></span>
|
||||
<span class="Comment"><span class="Comment">#</span> Make an Ajax request to fetch the weather...</span>
|
||||
[location, <span class="Number">72</span>, <span class="String"><span class="String">"</span>Mostly Sunny<span class="String">"</span></span>]
|
||||
|
||||
|
|
@ -1316,11 +1311,11 @@ city = __c[1];
|
|||
to use with <tt>bind</tt>. Functions created with the long arrow are able to access
|
||||
properties of the <tt>this</tt> where they're defined.
|
||||
</p>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">Account</span><span class="Keyword">:</span> <span class="FunctionArgument">customer, cart</span> <span class="Storage">=></span>
|
||||
<div class='code'><pre class="idle"><span class="FunctionName">Account</span><span class="Keyword">:</span> (customer, cart) <span class="Storage">=></span>
|
||||
<span class="FunctionName">this.customer</span><span class="Keyword">:</span> customer
|
||||
<span class="FunctionName">this.cart</span><span class="Keyword">:</span> cart
|
||||
|
||||
$(<span class="String"><span class="String">'</span>.shopping_cart<span class="String">'</span></span>).bind(<span class="String"><span class="String">'</span>click<span class="String">'</span></span>) <span class="FunctionArgument">event</span> <span class="Storage">==></span>
|
||||
$(<span class="String"><span class="String">'</span>.shopping_cart<span class="String">'</span></span>).bind(<span class="String"><span class="String">'</span>click<span class="String">'</span></span>) (event) <span class="Storage">==></span>
|
||||
<span class="Variable">this</span>.customer.purchase <span class="Variable">this</span>.cart
|
||||
</pre><pre class="idle"><span class="Storage">var</span> Account;
|
||||
Account <span class="Keyword">=</span> <span class="Storage">function</span> <span class="FunctionName">Account</span>(<span class="FunctionArgument">customer, cart</span>) {
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@ token IF ELSE UNLESS
|
|||
token NUMBER STRING REGEX
|
||||
token TRUE FALSE YES NO ON OFF
|
||||
token IDENTIFIER PROPERTY_ACCESS PROTOTYPE_ACCESS SOAK_ACCESS
|
||||
token CODE PARAM NEW RETURN
|
||||
token CODE PARAM_START PARAM PARAM_END NEW RETURN
|
||||
token TRY CATCH FINALLY THROW
|
||||
token BREAK CONTINUE
|
||||
token FOR IN OF BY WHEN WHILE
|
||||
|
|
@ -200,8 +200,10 @@ rule
|
|||
|
||||
# Function definition.
|
||||
Code:
|
||||
ParamList FuncGlyph Block { result = CodeNode.new(val[0], val[2], val[1]) }
|
||||
| FuncGlyph Block { result = CodeNode.new([], val[1], val[0]) }
|
||||
PARAM_START ParamList PARAM_END
|
||||
FuncGlyph Block { result = CodeNode.new(val[1], val[4], val[3]) }
|
||||
| PARAM_START PARAM_END
|
||||
FuncGlyph Block { result = CodeNode.new([], val[3], val[2]) }
|
||||
;
|
||||
|
||||
# The symbols to signify functions, and bound functions.
|
||||
|
|
|
|||
|
|
@ -242,19 +242,15 @@ module CoffeeScript
|
|||
# make use of splats.
|
||||
def tag_parameters
|
||||
i = 0
|
||||
tagged = false
|
||||
loop do
|
||||
i -= 1
|
||||
tok = @tokens[i]
|
||||
return if !tok
|
||||
if ['.', ','].include?(tok[0])
|
||||
tagged = false
|
||||
next
|
||||
case tok[0]
|
||||
when :IDENTIFIER then tok[0] = :PARAM
|
||||
when ')' then tok[0] = :PARAM_END
|
||||
when '(' then return tok[0] = :PARAM_START
|
||||
end
|
||||
return if tagged
|
||||
return if tok[0] != :IDENTIFIER
|
||||
tok[0] = :PARAM
|
||||
tagged = true
|
||||
end
|
||||
end
|
||||
|
||||
|
|
|
|||
|
|
@ -12,14 +12,14 @@ Readline: require('readline')
|
|||
coffeePath: File.path(module.path).dirname().dirname().dirname().dirname().dirname().join('bin', 'coffee')
|
||||
|
||||
# Our general-purpose error handler.
|
||||
checkForErrors: coffeeProcess =>
|
||||
checkForErrors: (coffeeProcess) =>
|
||||
return true if coffeeProcess.wait() is 0
|
||||
system.stderr.print(coffeeProcess.stderr.read())
|
||||
throw new Error("CoffeeScript compile error")
|
||||
|
||||
# Run a simple REPL, round-tripping to the CoffeeScript compiler for every
|
||||
# command.
|
||||
exports.run: args =>
|
||||
exports.run: (args) =>
|
||||
if args.length
|
||||
for path, i in args
|
||||
exports.evalCS(File.read(path))
|
||||
|
|
@ -35,24 +35,24 @@ exports.run: args =>
|
|||
print(e)
|
||||
|
||||
# Compile a given CoffeeScript file into JavaScript.
|
||||
exports.compileFile: path =>
|
||||
exports.compileFile: (path) =>
|
||||
coffee: OS.popen([coffeePath, "--print", "--no-wrap", path])
|
||||
checkForErrors(coffee)
|
||||
coffee.stdout.read()
|
||||
|
||||
# Compile a string of CoffeeScript into JavaScript.
|
||||
exports.compile: source, flags =>
|
||||
exports.compile: (source, flags) =>
|
||||
coffee: OS.popen([coffeePath, "--eval", "--no-wrap"].concat(flags or []))
|
||||
coffee.stdin.write(source).flush().close()
|
||||
checkForErrors(coffee)
|
||||
coffee.stdout.read()
|
||||
|
||||
# Evaluating a string of CoffeeScript first compiles it externally.
|
||||
exports.evalCS: source, flags =>
|
||||
exports.evalCS: (source, flags) =>
|
||||
eval(exports.compile(source, flags))
|
||||
|
||||
# Make a factory for the CoffeeScript environment.
|
||||
exports.makeNarwhalFactory: path =>
|
||||
exports.makeNarwhalFactory: (path) =>
|
||||
code: exports.compileFile(path)
|
||||
factoryText: "function(require,exports,module,system,print){" + code + "/**/\n}"
|
||||
if system.engine is "rhino"
|
||||
|
|
|
|||
|
|
@ -6,12 +6,12 @@ factories: {}
|
|||
loader: {
|
||||
|
||||
# Reload the coffee-script environment from source.
|
||||
reload: topId, path =>
|
||||
reload: (topId, path) =>
|
||||
coffeescript ||= require('coffee-script')
|
||||
factories[topId]: => coffeescript.makeNarwhalFactory(path)
|
||||
factories[topId]: () => coffeescript.makeNarwhalFactory(path)
|
||||
|
||||
# Ensure that the coffee-script environment is loaded.
|
||||
load: topId, path =>
|
||||
load: (topId, path) =>
|
||||
factories[topId] ||= this.reload(topId, path)
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@ module CoffeeScript
|
|||
def message
|
||||
line = @value.respond_to?(:line) ? @value.line : "END"
|
||||
line_part = "line #{line}:"
|
||||
id_part = @token_id != @value.to_s ? "unexpected #{@token_id.to_s.downcase}" : ""
|
||||
id_part = @token_id != @value.to_s ? " unexpected #{@token_id.to_s.downcase}" : ""
|
||||
val_part = @message || "for #{TOKEN_MAP[@value.to_s] || "'#{@value}'"}"
|
||||
"#{line_part} syntax error, #{val_part}#{id_part}"
|
||||
end
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
|
|
@ -6,7 +6,7 @@ module CoffeeScript
|
|||
class Rewriter
|
||||
|
||||
# Tokens that must be balanced.
|
||||
BALANCED_PAIRS = [['(', ')'], ['[', ']'], ['{', '}'], [:INDENT, :OUTDENT]]
|
||||
BALANCED_PAIRS = [['(', ')'], ['[', ']'], ['{', '}'], [:INDENT, :OUTDENT], [:PARAM_START, :PARAM_END]]
|
||||
|
||||
# Tokens that signal the start of a balanced pair.
|
||||
EXPRESSION_START = BALANCED_PAIRS.map {|pair| pair.first }
|
||||
|
|
@ -19,8 +19,8 @@ module CoffeeScript
|
|||
|
||||
# Tokens pairs that, in immediate succession, indicate an implicit call.
|
||||
IMPLICIT_FUNC = [:IDENTIFIER, :SUPER]
|
||||
IMPLICIT_END = [:IF, :UNLESS, :FOR, :WHILE, "\n"]
|
||||
IMPLICIT_CALL = [:IDENTIFIER, :NUMBER, :STRING, :JS, :REGEX, :NEW, :PARAM,
|
||||
IMPLICIT_END = [:IF, :UNLESS, :FOR, :WHILE, "\n", :PARAM_START]
|
||||
IMPLICIT_CALL = [:IDENTIFIER, :NUMBER, :STRING, :JS, :REGEX, :NEW, :PARAM_START,
|
||||
:TRY, :DELETE, :INSTANCEOF, :TYPEOF, :SWITCH, :ARGUMENTS,
|
||||
:TRUE, :FALSE, :YES, :NO, :ON, :OFF, '!', '!!', :NOT]
|
||||
|
||||
|
|
@ -34,7 +34,7 @@ module CoffeeScript
|
|||
# Single-line flavors of block expressions that have unclosed endings.
|
||||
# The grammar can't disambiguate them, so we insert the implicit indentation.
|
||||
SINGLE_LINERS = [:ELSE, "=>", "==>", :TRY, :FINALLY, :THEN]
|
||||
SINGLE_CLOSERS = ["\n", :CATCH, :FINALLY, :ELSE, :OUTDENT, :LEADING_WHEN]
|
||||
SINGLE_CLOSERS = ["\n", :CATCH, :FINALLY, :ELSE, :OUTDENT, :LEADING_WHEN, :PARAM_START]
|
||||
|
||||
# Rewrite the token stream in multiple passes, one logical filter at
|
||||
# a time. This could certainly be changed into a single pass through the
|
||||
|
|
@ -138,7 +138,8 @@ module CoffeeScript
|
|||
if (!tok || SINGLE_CLOSERS.include?(tok[0]) ||
|
||||
(tok[0] == ')' && parens == 0)) &&
|
||||
!(starter == :ELSE && tok[0] == :ELSE)
|
||||
@tokens.insert(idx, [:OUTDENT, Value.new(2, line)])
|
||||
insertion = @tokens[idx - 1][0] == "," ? idx - 1 : idx
|
||||
@tokens.insert(insertion, [:OUTDENT, Value.new(2, line)])
|
||||
break
|
||||
end
|
||||
parens += 1 if tok[0] == '('
|
||||
|
|
@ -164,7 +165,7 @@ module CoffeeScript
|
|||
next 1 unless IMPLICIT_FUNC.include?(prev[0]) && IMPLICIT_CALL.include?(token[0])
|
||||
@tokens.insert(i, ['(', Value.new('(', token[1].line)])
|
||||
open = true
|
||||
next 2
|
||||
next token[0] == :PARAM_START ? 1 : 2
|
||||
end
|
||||
end
|
||||
|
||||
|
|
@ -188,7 +189,7 @@ module CoffeeScript
|
|||
end
|
||||
|
||||
# We'd like to support syntax like this:
|
||||
# el.click(event =>
|
||||
# el.click((event) =>
|
||||
# el.hide())
|
||||
# In order to accomplish this, move outdents that follow closing parens
|
||||
# inwards, safely. The steps to accomplish this are:
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
area: x, y, x1, y1 =>
|
||||
area: (x, y, x1, y1) =>
|
||||
(x - x1) * (x - y1)
|
||||
|
||||
x: y: 10
|
||||
|
|
@ -18,14 +18,14 @@ print(area(
|
|||
|
||||
|
||||
# Arguments are turned into arrays.
|
||||
curried: =>
|
||||
curried: () =>
|
||||
print area.apply(this, arguments.concat(20, 20)) is 100
|
||||
|
||||
curried 10, 10
|
||||
|
||||
|
||||
# Arguments is not a special keyword -- it can be assigned to:
|
||||
func: =>
|
||||
func: () =>
|
||||
arguments: 25
|
||||
arguments
|
||||
|
||||
|
|
|
|||
|
|
@ -34,7 +34,7 @@ methods: ['one', 'two', 'three']
|
|||
|
||||
for method in methods
|
||||
name: method
|
||||
obj[name]: =>
|
||||
obj[name]: () =>
|
||||
"I'm " + name
|
||||
|
||||
print obj.one() is "I'm one"
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@ print result is true and result2 is true
|
|||
|
||||
# Assign to conditional.
|
||||
|
||||
get_x: => 10
|
||||
get_x: () => 10
|
||||
|
||||
if x: get_x() then 100
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
results: [1, 2, 3].map() x =>
|
||||
results: [1, 2, 3].map() (x) =>
|
||||
x * x
|
||||
|
||||
print results.join(' ') is '1 4 9'
|
||||
|
|
@ -1,21 +1,21 @@
|
|||
Base: =>
|
||||
Base::func: string =>
|
||||
Base: () =>
|
||||
Base::func: (string) =>
|
||||
'zero/' + string
|
||||
|
||||
FirstChild: =>
|
||||
FirstChild: () =>
|
||||
FirstChild extends Base
|
||||
FirstChild::func: string =>
|
||||
FirstChild::func: (string) =>
|
||||
super('one/') + string
|
||||
|
||||
SecondChild: =>
|
||||
SecondChild: () =>
|
||||
SecondChild extends FirstChild
|
||||
SecondChild::func: string =>
|
||||
SecondChild::func: (string) =>
|
||||
super('two/') + string
|
||||
|
||||
ThirdChild: =>
|
||||
ThirdChild: () =>
|
||||
this.array: [1, 2, 3]
|
||||
ThirdChild extends SecondChild
|
||||
ThirdChild::func: string =>
|
||||
ThirdChild::func: (string) =>
|
||||
super('three/') + string
|
||||
|
||||
result: (new ThirdChild()).func 'four'
|
||||
|
|
@ -23,13 +23,13 @@ result: (new ThirdChild()).func 'four'
|
|||
print result is 'zero/one/two/three/four'
|
||||
|
||||
|
||||
TopClass: arg =>
|
||||
TopClass: (arg) =>
|
||||
this.prop: 'top-' + arg
|
||||
|
||||
SuperClass: arg =>
|
||||
SuperClass: (arg) =>
|
||||
super 'super-' + arg
|
||||
|
||||
SubClass: =>
|
||||
SubClass: () =>
|
||||
super 'sub'
|
||||
|
||||
SuperClass extends TopClass
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
identity_wrap: x => => x
|
||||
identity_wrap: (x) =>
|
||||
() => x
|
||||
|
||||
result: identity_wrap(identity_wrap(true))()()
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
func: =>
|
||||
func: () =>
|
||||
a: 3
|
||||
b: []
|
||||
|
||||
|
|
@ -9,7 +9,7 @@ func: =>
|
|||
c: {
|
||||
"text": b
|
||||
other: null
|
||||
something_else: x => x + 5
|
||||
something_else: (x) => x + 5
|
||||
}
|
||||
|
||||
c: 'error' unless 42 > 41
|
||||
|
|
|
|||
|
|
@ -26,7 +26,7 @@ print z is null and x is "EX"
|
|||
# Only evaluate once.
|
||||
|
||||
counter: 0
|
||||
get_next_node: =>
|
||||
get_next_node: () =>
|
||||
throw "up" if counter
|
||||
counter++
|
||||
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@ items: [1, 2, 3, "bacon", 4, 5]
|
|||
for item in items
|
||||
break if item is "bacon"
|
||||
|
||||
findit: items =>
|
||||
findit: (items) =>
|
||||
for item in items
|
||||
return item if item is "bacon"
|
||||
|
||||
|
|
@ -17,7 +17,7 @@ print findit(items) is "bacon"
|
|||
|
||||
obj: {
|
||||
num: 5
|
||||
func: =>
|
||||
func: () =>
|
||||
this.result: if false
|
||||
10
|
||||
else
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
x: 1
|
||||
y: {}
|
||||
y.x: => 3
|
||||
y.x: () => 3
|
||||
|
||||
print x is 1
|
||||
print typeof(y.x) is 'function'
|
||||
|
|
@ -9,17 +9,17 @@ print y.x.name is 'x'
|
|||
|
||||
|
||||
# The empty function should not cause a syntax error.
|
||||
=>
|
||||
() =>
|
||||
|
||||
|
||||
obj: {
|
||||
name: "Fred"
|
||||
|
||||
bound: =>
|
||||
(==> print(this.name is "Fred"))()
|
||||
bound: () =>
|
||||
(() ==> print(this.name is "Fred"))()
|
||||
|
||||
unbound: =>
|
||||
(=> print(!this.name?))()
|
||||
unbound: () =>
|
||||
(() => print(!this.name?))()
|
||||
}
|
||||
|
||||
obj.unbound()
|
||||
|
|
@ -29,18 +29,18 @@ obj.bound()
|
|||
# The named function should be cleared out before a call occurs:
|
||||
|
||||
# Python decorator style wrapper that memoizes any function
|
||||
memoize: fn =>
|
||||
memoize: (fn) =>
|
||||
cache: {}
|
||||
self: this
|
||||
args... =>
|
||||
(args...) =>
|
||||
key: args.toString()
|
||||
return cache[key] if cache[key]
|
||||
cache[key] = fn.apply(self, args)
|
||||
|
||||
Math: {
|
||||
Add: a, b => a + b
|
||||
AnonymousAdd: (a, b => a + b)
|
||||
FastAdd: memoize a, b => a + b
|
||||
Add: (a, b) => a + b
|
||||
AnonymousAdd: ((a, b) => a + b)
|
||||
FastAdd: memoize (a, b) => a + b
|
||||
}
|
||||
|
||||
print Math.Add(5, 5) is 10
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
# comment
|
||||
func: =>
|
||||
func: () =>
|
||||
# comment
|
||||
false
|
||||
false # comment
|
||||
|
|
@ -14,7 +14,7 @@ switch 'string'
|
|||
when null
|
||||
something_else()
|
||||
|
||||
=>
|
||||
() =>
|
||||
code()
|
||||
# comment
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
a: [(x => x), (x => x * x)]
|
||||
a: [(x) => x, (x) => x * x]
|
||||
|
||||
print a.length is 2
|
||||
|
||||
|
|
@ -14,7 +14,7 @@ neg: (3 -4)
|
|||
print neg is -1
|
||||
|
||||
|
||||
func: =>
|
||||
func: () =>
|
||||
return if true
|
||||
|
||||
print func() is null
|
||||
|
|
|
|||
|
|
@ -13,6 +13,6 @@ print 50 > 10 > 5 is parseInt('5', 10)
|
|||
# more than once.
|
||||
|
||||
i: 0
|
||||
func: => i++
|
||||
func: () => i++
|
||||
|
||||
print 1 > func() < 1
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
func: first, second, rest... =>
|
||||
func: (first, second, rest...) =>
|
||||
rest.join ' '
|
||||
|
||||
result: func 1, 2, 3, 4, 5
|
||||
|
|
@ -8,7 +8,7 @@ print result is "3 4 5"
|
|||
|
||||
gold: silver: bronze: the_field: null
|
||||
|
||||
medalists: first, second, third, rest... =>
|
||||
medalists: (first, second, third, rest...) =>
|
||||
gold: first
|
||||
silver: second
|
||||
bronze: third
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@ result: switch num
|
|||
|
||||
print result
|
||||
|
||||
func: num =>
|
||||
func: (num) =>
|
||||
switch num
|
||||
when 2, 4, 6
|
||||
true
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
# The cornerstone, an each implementation.
|
||||
# Handles objects implementing forEach, arrays, and raw objects.
|
||||
_.each: obj, iterator, context =>
|
||||
_.each: (obj, iterator, context) =>
|
||||
index: 0
|
||||
try
|
||||
if obj.forEach
|
||||
|
|
|
|||
|
|
@ -1 +1 @@
|
|||
[[:COMMENT, [" The cornerstone, an each implementation.", " Handles objects implementing forEach, arrays, and raw objects."]], ["\n", "\n"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "each"], [:ASSIGN, ":"], [:PARAM, "obj"], [",", ","], [:PARAM, "iterator"], [",", ","], [:PARAM, "context"], ["=>", "=>"], [:INDENT, 2], [:IDENTIFIER, "index"], [:ASSIGN, ":"], [:NUMBER, "0"], ["\n", "\n"], [:TRY, "try"], [:INDENT, 2], [:IF, "if"], [:IDENTIFIER, "obj"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "forEach"], [:INDENT, 2], [:IDENTIFIER, "obj"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "forEach"], ["(", "("], [:IDENTIFIER, "iterator"], [",", ","], [:IDENTIFIER, "context"], [")", ")"], [:OUTDENT, 2], [:ELSE, "else"], [:IF, "if"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "isArray"], ["(", "("], [:IDENTIFIER, "obj"], [")", ")"], [:OR, "or"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "isArguments"], ["(", "("], [:IDENTIFIER, "obj"], [")", ")"], [:INDENT, 2], [:IDENTIFIER, "iterator"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "call"], ["(", "("], [:IDENTIFIER, "context"], [",", ","], [:IDENTIFIER, "item"], [",", ","], [:IDENTIFIER, "i"], [",", ","], [:IDENTIFIER, "obj"], [")", ")"], [:FOR, "for"], [:IDENTIFIER, "item"], [",", ","], [:IDENTIFIER, "i"], [:IN, "in"], [:IDENTIFIER, "obj"], [:OUTDENT, 2], [:ELSE, "else"], [:INDENT, 2], [:IDENTIFIER, "iterator"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "call"], ["(", "("], [:IDENTIFIER, "context"], [",", ","], [:IDENTIFIER, "obj"], ["[", "["], [:IDENTIFIER, "key"], ["]", "]"], [",", ","], [:IDENTIFIER, "key"], [",", ","], [:IDENTIFIER, "obj"], [")", ")"], [:FOR, "for"], [:IDENTIFIER, "key"], [:IN, "in"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "keys"], ["(", "("], [:IDENTIFIER, "obj"], [")", ")"], [:OUTDENT, 2], [:OUTDENT, 2], [:CATCH, "catch"], [:IDENTIFIER, "e"], [:INDENT, 2], [:THROW, "throw"], [:IDENTIFIER, "e"], [:IF, "if"], [:IDENTIFIER, "e"], [:ISNT, "isnt"], [:IDENTIFIER, "breaker"], [:OUTDENT, 2], ["\n", "\n"], [:IDENTIFIER, "obj"], [:OUTDENT, 2], ["\n", "\n"]]
|
||||
[[:COMMENT, [" The cornerstone, an each implementation.", " Handles objects implementing forEach, arrays, and raw objects."]], ["\n", "\n"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "each"], [:ASSIGN, ":"], [:PARAM_START, "("], [:PARAM, "obj"], [",", ","], [:PARAM, "iterator"], [",", ","], [:PARAM, "context"], [:PARAM_END, ")"], ["=>", "=>"], [:INDENT, 2], [:IDENTIFIER, "index"], [:ASSIGN, ":"], [:NUMBER, "0"], ["\n", "\n"], [:TRY, "try"], [:INDENT, 2], [:IF, "if"], [:IDENTIFIER, "obj"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "forEach"], [:INDENT, 2], [:IDENTIFIER, "obj"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "forEach"], ["(", "("], [:IDENTIFIER, "iterator"], [",", ","], [:IDENTIFIER, "context"], [")", ")"], [:OUTDENT, 2], [:ELSE, "else"], [:IF, "if"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "isArray"], ["(", "("], [:IDENTIFIER, "obj"], [")", ")"], [:OR, "or"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "isArguments"], ["(", "("], [:IDENTIFIER, "obj"], [")", ")"], [:INDENT, 2], [:IDENTIFIER, "iterator"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "call"], ["(", "("], [:IDENTIFIER, "context"], [",", ","], [:IDENTIFIER, "item"], [",", ","], [:IDENTIFIER, "i"], [",", ","], [:IDENTIFIER, "obj"], [")", ")"], [:FOR, "for"], [:IDENTIFIER, "item"], [",", ","], [:IDENTIFIER, "i"], [:IN, "in"], [:IDENTIFIER, "obj"], [:OUTDENT, 2], [:ELSE, "else"], [:INDENT, 2], [:IDENTIFIER, "iterator"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "call"], ["(", "("], [:IDENTIFIER, "context"], [",", ","], [:IDENTIFIER, "obj"], ["[", "["], [:IDENTIFIER, "key"], ["]", "]"], [",", ","], [:IDENTIFIER, "key"], [",", ","], [:IDENTIFIER, "obj"], [")", ")"], [:FOR, "for"], [:IDENTIFIER, "key"], [:IN, "in"], [:IDENTIFIER, "_"], [:PROPERTY_ACCESS, "."], [:IDENTIFIER, "keys"], ["(", "("], [:IDENTIFIER, "obj"], [")", ")"], [:OUTDENT, 2], [:OUTDENT, 2], [:CATCH, "catch"], [:IDENTIFIER, "e"], [:INDENT, 2], [:THROW, "throw"], [:IDENTIFIER, "e"], [:IF, "if"], [:IDENTIFIER, "e"], [:ISNT, "isnt"], [:IDENTIFIER, "breaker"], [:OUTDENT, 2], ["\n", "\n"], [:IDENTIFIER, "obj"], [:OUTDENT, 2], ["\n", "\n"]]
|
||||
|
|
@ -10,7 +10,7 @@ catch error
|
|||
3
|
||||
)
|
||||
|
||||
func: x =>
|
||||
func: (x) =>
|
||||
return throw x
|
||||
|
||||
print(x * x for x in [1..100])
|
||||
|
|
@ -1,20 +1,20 @@
|
|||
# test
|
||||
f1: x =>
|
||||
f1: (x) =>
|
||||
x * x
|
||||
f2: y =>
|
||||
f2: (y) =>
|
||||
y * x
|
||||
f3: 3
|
||||
|
||||
# Parens can close on the proper level.
|
||||
elements.each(el =>
|
||||
el.click(event =>
|
||||
elements.each((el) =>
|
||||
el.click((event) =>
|
||||
el.reset()
|
||||
el.show() if event.active
|
||||
)
|
||||
)
|
||||
|
||||
# Or, parens can close blocks early.
|
||||
elements.each(el =>
|
||||
el.click(event =>
|
||||
elements.each((el) =>
|
||||
el.click((event) =>
|
||||
el.reset()
|
||||
el.show() if event.active))
|
||||
|
|
@ -25,8 +25,9 @@ class LexerTest < Test::Unit::TestCase
|
|||
end
|
||||
|
||||
def test_lexing_function_definition
|
||||
code = "x, y => x * y"
|
||||
assert @lex.tokenize(code) == [[:PARAM, "x"], [",", ","], [:PARAM, "y"],
|
||||
code = "(x, y) => x * y"
|
||||
assert @lex.tokenize(code) == [[:PARAM_START, "("], [:PARAM, "x"],
|
||||
[",", ","], [:PARAM, "y"], [:PARAM_END, ")"],
|
||||
["=>", "=>"], [:INDENT, 2], [:IDENTIFIER, "x"], ["*", "*"],
|
||||
[:IDENTIFIER, "y"], [:OUTDENT, 2], ["\n", "\n"]]
|
||||
end
|
||||
|
|
|
|||
|
|
@ -29,7 +29,7 @@ class ParserTest < Test::Unit::TestCase
|
|||
end
|
||||
|
||||
def test_parsing_an_function_definition
|
||||
code = @par.parse("x, y => x * y").expressions.first
|
||||
code = @par.parse("(x, y) => x * y").expressions.first
|
||||
assert code.params == ['x', 'y']
|
||||
body = code.body.expressions.first
|
||||
assert body.is_a?(OpNode)
|
||||
|
|
|
|||
Loading…
Reference in New Issue