Sha256: 653a06674acf6671ec1781d52a82ac94213218b61cd0d71610b5096d9edb1294
Contents?: true
Size: 1.66 KB
Versions: 19
Compression:
Stored size: 1.66 KB
Contents
CoffeeScript = require 'coffee-script'
Meta = require '../_meta'
module.exports = class Meta.Parameter
@fromNode: (node) ->
new @ @fetchName(node), !!node.splat, @fetchDefault(node)
@fromSignature: (signature) ->
signature = signature.replace /^.([^\(]+)/, "x="
nodes = CoffeeScript.nodes("#{signature} ->").expressions[0].value.params
nodes.map (node) => @fromNode(node)
@fetchName: (node) ->
# Normal attribute `do: (it) ->`
name = node.name.value
# Named parameters a la python:
# `make_fac : ({numerator, divisor}) ->`
# Also works for class constructors:
# `constructor : ( { @name, @key, opts }) ->
unless name
if (o = node.name.objects)?
vars = for v in o
if v.base
if v.base.value is 'this' then v.properties[0].name.value
else v.base.value
else if v.variable && v.value
"#{v.variable.base.value}:#{v.value.base.value}"
else throw new Error('Unhandled syntax')
name = "{#{vars.join ', '}}"
# Assigned attributes `do: (@it) ->`
unless name
if node.name.properties
name = node.name.properties[0]?.name.value
name
@fetchDefault: (node) ->
try
node.value?.compile
indent: ''
catch error
if node?.value?.base?.value is 'this'
value = node.value.properties[0]?.name.compile
indent: ''
"@#{value}"
constructor: (@name, @splat, @default) ->
toString: ->
splat = '...' if @splat
defauld = " = #{@default}" if @default
[@name, splat, defauld].join('')
inspect: ->
{
name: @name
splat: @splat
default: @default
}
Version data entries
19 entries across 19 versions & 1 rubygems