| 1 | 'use strict'
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| 2 |
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| 3 | let Declaration = require('./declaration')
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| 4 | let PreviousMap = require('./previous-map')
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| 5 | let Comment = require('./comment')
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| 6 | let AtRule = require('./at-rule')
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| 7 | let Input = require('./input')
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| 8 | let Root = require('./root')
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| 9 | let Rule = require('./rule')
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| 10 |
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| 11 | function fromJSON(json, inputs) {
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| 12 | if (Array.isArray(json)) return json.map(n => fromJSON(n))
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| 13 |
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| 14 | let { inputs: ownInputs, ...defaults } = json
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| 15 | if (ownInputs) {
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| 16 | inputs = []
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| 17 | for (let input of ownInputs) {
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| 18 | let inputHydrated = { ...input, __proto__: Input.prototype }
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| 19 | if (inputHydrated.map) {
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| 20 | inputHydrated.map = {
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| 21 | ...inputHydrated.map,
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| 22 | __proto__: PreviousMap.prototype
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| 23 | }
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| 24 | }
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| 25 | inputs.push(inputHydrated)
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| 26 | }
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| 27 | }
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| 28 | if (defaults.nodes) {
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| 29 | defaults.nodes = json.nodes.map(n => fromJSON(n, inputs))
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| 30 | }
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| 31 | if (defaults.source) {
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| 32 | let { inputId, ...source } = defaults.source
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| 33 | defaults.source = source
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| 34 | if (inputId != null) {
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| 35 | defaults.source.input = inputs[inputId]
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| 36 | }
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| 37 | }
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| 38 | if (defaults.type === 'root') {
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| 39 | return new Root(defaults)
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| 40 | } else if (defaults.type === 'decl') {
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| 41 | return new Declaration(defaults)
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| 42 | } else if (defaults.type === 'rule') {
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| 43 | return new Rule(defaults)
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| 44 | } else if (defaults.type === 'comment') {
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| 45 | return new Comment(defaults)
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| 46 | } else if (defaults.type === 'atrule') {
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| 47 | return new AtRule(defaults)
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| 48 | } else {
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| 49 | throw new Error('Unknown node type: ' + json.type)
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| 50 | }
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| 51 | }
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| 52 |
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| 53 | module.exports = fromJSON
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| 54 | fromJSON.default = fromJSON
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