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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
-
- const { ConcatSource } = require("webpack-sources");
-
- /** @typedef {import("./Compilation")} Compilation */
-
- /**
- * @param {string[]} accessor the accessor to convert to path
- * @returns {string} the path
- */
- const accessorToObjectAccess = accessor => {
- return accessor.map(a => `[${JSON.stringify(a)}]`).join("");
- };
-
- class ExportPropertyMainTemplatePlugin {
- /**
- * @param {string|string[]} property the name of the property to export
- */
- constructor(property) {
- this.property = property;
- }
-
- /**
- * @param {Compilation} compilation the compilation instance
- * @returns {void}
- */
- apply(compilation) {
- const { mainTemplate, chunkTemplate } = compilation;
-
- const onRenderWithEntry = (source, chunk, hash) => {
- const postfix = `${accessorToObjectAccess([].concat(this.property))}`;
- return new ConcatSource(source, postfix);
- };
-
- for (const template of [mainTemplate, chunkTemplate]) {
- template.hooks.renderWithEntry.tap(
- "ExportPropertyMainTemplatePlugin",
- onRenderWithEntry
- );
- }
-
- mainTemplate.hooks.hash.tap("ExportPropertyMainTemplatePlugin", hash => {
- hash.update("export property");
- hash.update(`${this.property}`);
- });
- }
- }
-
- module.exports = ExportPropertyMainTemplatePlugin;
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