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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, } |