You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.5 KiB
54 lines
1.5 KiB
'use strict' |
|
|
|
let Declaration = require('./declaration') |
|
let PreviousMap = require('./previous-map') |
|
let Comment = require('./comment') |
|
let AtRule = require('./at-rule') |
|
let Input = require('./input') |
|
let Root = require('./root') |
|
let Rule = require('./rule') |
|
|
|
function fromJSON(json, inputs) { |
|
if (Array.isArray(json)) return json.map(n => fromJSON(n)) |
|
|
|
let { inputs: ownInputs, ...defaults } = json |
|
if (ownInputs) { |
|
inputs = [] |
|
for (let input of ownInputs) { |
|
let inputHydrated = { ...input, __proto__: Input.prototype } |
|
if (inputHydrated.map) { |
|
inputHydrated.map = { |
|
...inputHydrated.map, |
|
__proto__: PreviousMap.prototype |
|
} |
|
} |
|
inputs.push(inputHydrated) |
|
} |
|
} |
|
if (defaults.nodes) { |
|
defaults.nodes = json.nodes.map(n => fromJSON(n, inputs)) |
|
} |
|
if (defaults.source) { |
|
let { inputId, ...source } = defaults.source |
|
defaults.source = source |
|
if (inputId != null) { |
|
defaults.source.input = inputs[inputId] |
|
} |
|
} |
|
if (defaults.type === 'root') { |
|
return new Root(defaults) |
|
} else if (defaults.type === 'decl') { |
|
return new Declaration(defaults) |
|
} else if (defaults.type === 'rule') { |
|
return new Rule(defaults) |
|
} else if (defaults.type === 'comment') { |
|
return new Comment(defaults) |
|
} else if (defaults.type === 'atrule') { |
|
return new AtRule(defaults) |
|
} else { |
|
throw new Error('Unknown node type: ' + json.type) |
|
} |
|
} |
|
|
|
module.exports = fromJSON |
|
fromJSON.default = fromJSON
|
|
|