59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
import { dirname } from "node:path";
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export default function esbuildPluginReplaceModule(replacements = {}) {
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return {
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name: "replace-module",
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setup(build) {
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build.onLoad({ filter: /./ }, ({ path, namespace }) => {
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let options = replacements[path];
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if (!options) {
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return;
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}
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options =
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typeof options === "string" ? { path: options } : { ...options };
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let {
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path: file,
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resolveDir,
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contents,
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loader = "js",
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external: isExternal,
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isEsm,
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} = options;
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// Make this work with `@esbuild-plugins/node-modules-polyfill` plugin
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if (
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!resolveDir &&
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(namespace === "node-modules-polyfills-commonjs" ||
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namespace === "node-modules-polyfills") &&
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file
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) {
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resolveDir = dirname(file);
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}
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if (isExternal) {
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if (!file) {
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throw new Error("Missing external module path.");
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}
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// Prevent `esbuild` to resolve
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contents = `
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const entry = ${JSON.stringify(`${file}`)};
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${isEsm ? "export default" : "module.exports ="} require(entry);
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`;
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} else {
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if (file) {
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contents = isEsm
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? `export { default } from ${JSON.stringify(`${file}`)};`
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: `module.exports = require(${JSON.stringify(`${file}`)})`;
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}
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}
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return { contents, loader, resolveDir };
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});
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},
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};
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}
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