* Add necessary prefixes
(css, result)
| 55 | * Add necessary prefixes |
| 56 | */ |
| 57 | add(css, result) { |
| 58 | // At-rules |
| 59 | let resolution = this.prefixes.add['@resolution'] |
| 60 | let keyframes = this.prefixes.add['@keyframes'] |
| 61 | let viewport = this.prefixes.add['@viewport'] |
| 62 | let supports = this.prefixes.add['@supports'] |
| 63 | |
| 64 | css.walkAtRules(rule => { |
| 65 | if (rule.name === 'keyframes') { |
| 66 | if (!this.disabled(rule, result)) { |
| 67 | return keyframes && keyframes.process(rule) |
| 68 | } |
| 69 | } else if (rule.name === 'viewport') { |
| 70 | if (!this.disabled(rule, result)) { |
| 71 | return viewport && viewport.process(rule) |
| 72 | } |
| 73 | } else if (rule.name === 'supports') { |
| 74 | if ( |
| 75 | this.prefixes.options.supports !== false && |
| 76 | !this.disabled(rule, result) |
| 77 | ) { |
| 78 | return supports.process(rule) |
| 79 | } |
| 80 | } else if (rule.name === 'media' && rule.params.includes('-resolution')) { |
| 81 | if (!this.disabled(rule, result)) { |
| 82 | return resolution && resolution.process(rule) |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | return undefined |
| 87 | }) |
| 88 | |
| 89 | // Selectors |
| 90 | css.walkRules(rule => { |
| 91 | if (this.disabled(rule, result)) return undefined |
| 92 | |
| 93 | return this.prefixes.add.selectors.map(selector => { |
| 94 | return selector.process(rule, result) |
| 95 | }) |
| 96 | }) |
| 97 | |
| 98 | let gridPrefixes = |
| 99 | this.gridStatus(css, result) && |
| 100 | this.prefixes.add['grid-area'] && |
| 101 | this.prefixes.add['grid-area'].prefixes |
| 102 | |
| 103 | css.walkDecls(decl => { |
| 104 | if (this.disabledDecl(decl, result)) return undefined |
| 105 | |
| 106 | let parent = decl.parent |
| 107 | let prop = decl.prop |
| 108 | let value = decl.value |
| 109 | |
| 110 | if (prop === 'color-adjust') { |
| 111 | if (parent.every(i => i.prop !== 'print-color-adjust')) { |
| 112 | result.warn( |
| 113 | 'Replace color-adjust to print-color-adjust. ' + |
| 114 | 'The color-adjust shorthand is currently deprecated.', |
nothing calls this directly
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