52 lines
1.4 KiB
TypeScript
52 lines
1.4 KiB
TypeScript
// source: https://github.com/Myrmod/vitejs-theming/blob/master/build-plugins/rollup/replace-files.js
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import * as fs from 'fs';
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import { resolve } from 'path';
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/**
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* @function replaceFiles
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* @param {FileReplacement[]} replacements
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* @return {({name: "rollup-plugin-replace-files", enforce: "pre", Promise<resolveId>})}
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*/
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export default function replaceFiles(replacements: FileReplacement[]) {
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if (!replacements?.length) {
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return null;
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}
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return {
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name: 'rollup-plugin-replace-files',
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enforce: 'pre',
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async transform(code, id) {
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/**
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* The reason we're using endsWith here is because the resolved id
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* will be the absolute path to the file. We want to check if the
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* file ends with the file we're trying to replace, which will be essentially
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* the path from the root of our workspace.
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*/
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const foundReplace = replacements.find((replacement) =>
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id.endsWith(replacement.replace)
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);
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if (foundReplace) {
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console.info(
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`replace "${foundReplace.replace}" with "${foundReplace.with}"`
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);
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try {
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// return new file content
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return fs
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.readFileSync(id.replace(foundReplace.replace, foundReplace.with))
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.toString();
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} catch (err) {
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console.error(err);
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return code;
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}
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}
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return code;
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},
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};
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}
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export interface FileReplacement {
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replace: string;
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with: string;
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}
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