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58 lines
2.1 KiB
58 lines
2.1 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const tapable_1 = require("tapable");
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const hooksMap = new WeakMap();
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function createWebpackPluginHooks() {
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return {
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beforeEmit: new tapable_1.AsyncSeriesWaterfallHook(['pluginArgs']),
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afterEmit: new tapable_1.AsyncSeriesWaterfallHook(['pluginArgs']),
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};
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}
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class JsonWebpackPlugin {
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constructor(options) {
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this.options = options;
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this.writeObject = async (compilation, callback) => {
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let result = {
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json: this.options.json,
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path: this.options.path,
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plugin: this,
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};
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try {
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result = await JsonWebpackPlugin.getHooks(compilation).beforeEmit.promise(result);
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}
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catch (error) {
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compilation.errors.push(error);
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}
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const json = JSON.stringify(result.json, undefined, this.options.pretty ? 2 : undefined);
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// Once all files are added to the webpack compilation
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// let the webpack compiler continue
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compilation.assets[result.path] = {
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source: () => json,
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size: () => json.length,
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};
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await JsonWebpackPlugin.getHooks(compilation).afterEmit.promise({
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json,
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outputName: result.path,
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plugin: this,
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});
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callback();
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};
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if (!this.options.path || !this.options.json) {
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throw new Error('Failed to write json because either `path` or `json` were not defined.');
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}
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}
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static getHooks(compilation) {
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let hooks = hooksMap.get(compilation);
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// Setup the hooks only once
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if (hooks === undefined) {
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hooks = createWebpackPluginHooks();
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hooksMap.set(compilation, hooks);
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}
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return hooks;
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}
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apply(compiler) {
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compiler.hooks.emit.tapAsync(this.constructor.name, this.writeObject);
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}
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}
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exports.default = JsonWebpackPlugin;
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//# sourceMappingURL=JsonWebpackPlugin.js.map
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