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34 lines
855 B
JavaScript
34 lines
855 B
JavaScript
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import { transformSync } from 'esbuild'
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// https://jestjs.io/docs/next/code-transformation
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export default {
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process (src, path, _opts) {
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const r = transformSync(src, {
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target: 'node14',
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format: 'cjs',
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sourcefile: path,
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loader: path.endsWith('.ts') ? 'ts' : 'default'
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})
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r.code = r.code.replace(/import(\(.*\))/g, (_, id) => {
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let openBrackets = 0
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for (let pos = 0; pos < id.length; pos++) {
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const char = id[pos]
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switch (char) {
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case '(':
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openBrackets++
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break
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case ')':
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openBrackets--
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if (!openBrackets) {
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return 'Promise.resolve(require' + id.slice(0, pos) + ')' + id.slice(pos)
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}
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break
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}
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}
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return 'Promise.resolve(require' + id + ')'
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})
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return r
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}
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}
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