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34 lines
905 B
JavaScript
34 lines
905 B
JavaScript
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const less = require('less')
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const { readFileSync } = require('fs')
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const path = require('path')
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const postcss = require('postcss')
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const NpmImportPlugin = require('less-plugin-npm-import')
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const postcssConfig = require('./postcssConfig')
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function transformLess (lessFile, config = {}) {
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const { cwd = process.cwd() } = config
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const resolvedLessFile = path.resolve(cwd, lessFile)
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let data = readFileSync(resolvedLessFile, 'utf-8')
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data = data.replace(/^\uFEFF/, '')
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// Do less compile
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const lessOpts = {
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paths: [path.dirname(resolvedLessFile)],
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filename: resolvedLessFile,
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plugins: [
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new NpmImportPlugin({ prefix: '~' }),
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],
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}
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return less.render(data, lessOpts)
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.then((result) => {
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const source = result.css
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return postcss(postcssConfig.plugins).process(source)
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})
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.then((r) => {
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return r.css
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})
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}
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module.exports = transformLess
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