gitlab-org--gitlab-foss/app/assets/javascripts/new_branch_form.js.coffee
2015-12-21 22:21:10 -02:00

78 lines
1.8 KiB
CoffeeScript

class @NewBranchForm
constructor: (form, availableRefs) ->
@branchNameError = form.find('.js-branch-name-error')
@name = form.find('.js-branch-name')
@ref = form.find('#ref')
@setupAvailableRefs(availableRefs)
@setupRestrictions()
@addBinding()
@init()
addBinding: ->
@name.on 'blur', @validate
init: ->
@name.trigger 'blur' if @name.val().length > 0
setupAvailableRefs: (availableRefs) ->
@ref.autocomplete
source: availableRefs,
minLength: 1
setupRestrictions: ->
startsWith = {
pattern: /^(\/|\.)/g,
prefix: "can't start with",
conjunction: "or"
}
endsWith = {
pattern: /(\/|\.|\.lock)$/g,
prefix: "can't end in",
conjunction: "or"
}
invalid = {
pattern: /(\s|~|\^|:|\?|\*|\[|\\|\.\.|@\{|\/{2,}){1}/g
prefix: "can't contain",
conjunction: ", "
}
single = {
pattern: /^@+$/g
prefix: "can't be",
conjunction: "or"
}
@restrictions = [startsWith, invalid, endsWith, single]
validate: =>
@branchNameError.empty()
unique = (values, value) ->
values.push(value) unless value in values
values
formatter = (values, restriction) ->
formatted = values.map (value) ->
switch
when /\s/.test value then 'spaces'
when /\/{2,}/g.test value then 'consecutive slashes'
else "'#{value}'"
"#{restriction.prefix} #{formatted.join(restriction.conjunction)}"
validator = (errors, restriction) =>
matched = @name.val().match(restriction.pattern)
if matched
errors.concat formatter(matched.reduce(unique, []), restriction)
else
errors
errors = @restrictions.reduce validator, []
if errors.length > 0
errorMessage = $("<span/>").text(errors.join(', '))
@branchNameError.append(errorMessage)