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Unfancy JavaScript
b192e215a5
* Output simple array destructuring assignments to ES2015 * Output simple object destructured assignments to ES2015 * Compile shorthand object properties to ES2015 shorthand properties This dramatically improves the appearance of destructured imports. * Compile default values in destructured assignment to ES2015 * Rename `wrapInBraces` to `wrapInParentheses`, and `compilePatternMatch` to `compileDestructuring`, for clarity; style improvements (no `==` or `!=`, etc.) * Don’t confuse the syntax highlighter * Comment Assign::compilePatternMatch a bit * Assignment expressions in conditionals are a bad practice * Optional check for existence that only checks `!== undefined`, not `!= null`, to follow ES convention that default values only apply when a variable is undefined, not falsy * Add comments; remove unnecessary array splats in function tests * The fallback destructuring code should apply default values only if `undefined`, not falsy, to follow ES spec * Support destructuring in function parameters (first pass); catch destructured reserved words * Destructured variables in function parameter lists shouldn’t be added to the function body with `var` declarations; treat splat array function parameters the legacy way to avoid rethinking #4005 * Remove redundancy in undefined-only check for existence; fix passing option to check * Fix undefined redundancy * Simplify getting the variable name * Reimplement “check for existence if not undefined” without creating a new operator * `Obj::isAssignable` should not mutate; pass `lhs` property in from `Assign` or `Code` to child arrays and objects so that those child nodes are set as allowable for destructuring * Revert changes to tests * Restore revised test for empty destructuring assignment |
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| repl.js | ||
{
} } {
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} }{ {
{ }{ } } _____ __ __
{ }{ }{ { } / ____| / _|/ _|
.- { { } { }} -. | | ___ | |_| |_ ___ ___
( { } { } { } } ) | | / _ \| _| _/ _ \/ _ \
|`-..________ ..-'| | |___| (_) | | | || __/ __/
| | \_____\___/|_| |_| \___|\___|
| ;--.
| (__ \ _____ _ _
| | ) ) / ____| (_) | |
| |/ / | (___ ___ _ __ _ _ __ | |_
| ( / \___ \ / __| '__| | '_ \| __|
| |/ ____) | (__| | | | |_) | |_
| | |_____/ \___|_| |_| .__/ \__|
`-.._________..-' | |
|_|
CoffeeScript is a little language that compiles into JavaScript.
Installation
If you have the node package manager, npm, installed:
npm install --global coffeescript
Leave off the --global if you don’t wish to install globally.
Getting Started
Execute a script:
coffee /path/to/script.coffee
Compile a script:
coffee -c /path/to/script.coffee
For documentation, usage, and examples, see: http://coffeescript.org/
To suggest a feature or report a bug: http://github.com/jashkenas/coffeescript/issues
If you’d like to chat, drop by #coffeescript on Freenode IRC.
The source repository: https://github.com/jashkenas/coffeescript.git
Changelog: http://coffeescript.org/#changelog
Our lovely and talented contributors are listed here: http://github.com/jashkenas/coffeescript/contributors