Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | 1x 1x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x 1x 1x 3x 3x 3x 3x 3x 3x 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import merge from 'merge-source-map'
import type { RawSourceMap } from '@vue/compiler-core'
import type { SFCStyleCompileOptions } from '../compileStyle'
import { isFunction } from '@vue/shared'
export type StylePreprocessor = (
source: string,
map: RawSourceMap | undefined,
options: {
[key: string]: any
additionalData?: string | ((source: string, filename: string) => string)
filename: string
},
customRequire: SFCStyleCompileOptions['preprocessCustomRequire'],
) => StylePreprocessorResults
export interface StylePreprocessorResults {
code: string
map?: object
errors: Error[]
dependencies: string[]
}
// .scss/.sass processor
const scss: StylePreprocessor = (source, map, options, load = require) => {
const nodeSass: typeof import('sass') = load('sass')
const { compileString, renderSync } = nodeSass
const data = getSource(source, options.filename, options.additionalData)
let css: string
let dependencies: string[]
let sourceMap: any
try {
if (compileString) {
const { pathToFileURL, fileURLToPath }: typeof import('url') = load('url')
const result = compileString(data, {
...options,
url: pathToFileURL(options.filename),
sourceMap: !!map,
})
css = result.css
dependencies = result.loadedUrls.map(url => fileURLToPath(url))
sourceMap = map ? result.sourceMap! : undefined
} else {
const result = renderSync({
...options,
data,
file: options.filename,
outFile: options.filename,
sourceMap: !!map,
})
css = result.css.toString()
dependencies = result.stats.includedFiles
sourceMap = map ? JSON.parse(result.map!.toString()) : undefined
}
if (map) {
return {
code: css,
errors: [],
dependencies,
map: merge(map, sourceMap!),
}
}
return { code: css, errors: [], dependencies }
} catch (e: any) {
return { code: '', errors: [e], dependencies: [] }
}
}
const sass: StylePreprocessor = (source, map, options, load) =>
scss(
source,
map,
{
...options,
indentedSyntax: true,
},
load,
)
// .less
const less: StylePreprocessor = (source, map, options, load = require) => {
const nodeLess = load('less')
let result: any
let error: Error | null = null
nodeLess.render(
getSource(source, options.filename, options.additionalData),
{ ...options, syncImport: true },
(err: Error | null, output: any) => {
error = err
result = output
},
)
if (error) return { code: '', errors: [error], dependencies: [] }
const dependencies = result.imports
if (map) {
return {
code: result.css.toString(),
map: merge(map, result.map),
errors: [],
dependencies: dependencies,
}
}
return {
code: result.css.toString(),
errors: [],
dependencies: dependencies,
}
}
// .styl
const styl: StylePreprocessor = (source, map, options, load = require) => {
const nodeStylus = load('stylus')
try {
const ref = nodeStylus(source, options)
if (map) ref.set('sourcemap', { inline: false, comment: false })
const result = ref.render()
const dependencies = ref.deps()
if (map) {
return {
code: result,
map: merge(map, ref.sourcemap),
errors: [],
dependencies,
}
}
return { code: result, errors: [], dependencies }
} catch (e: any) {
return { code: '', errors: [e], dependencies: [] }
}
}
function getSource(
source: string,
filename: string,
additionalData?: string | ((source: string, filename: string) => string),
) {
if (!additionalData) return source
if (isFunction(additionalData)) {
return additionalData(source, filename)
}
return additionalData + source
}
export type PreprocessLang = 'less' | 'sass' | 'scss' | 'styl' | 'stylus'
export const processors: Record<PreprocessLang, StylePreprocessor> = {
less,
sass,
scss,
styl,
stylus: styl,
}
|