source control 1.1

Tomas

2022-05-19 957a1f10a06fdbb76f1a0ba94fe44126c613fee3

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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");
const Template = require("./Template");
 
/** @typedef {import("./Compilation")} Compilation */
 
/**
 * @typedef {Object} AmdMainTemplatePluginOptions
 * @param {string=} name the library name
 * @property {boolean=} requireAsWrapper
 */
 
class AmdMainTemplatePlugin {
    /**
     * @param {AmdMainTemplatePluginOptions} options the plugin options
     */
    constructor(options) {
        if (!options || typeof options === "string") {
            this.name = options;
            this.requireAsWrapper = false;
        } else {
            this.name = options.name;
            this.requireAsWrapper = options.requireAsWrapper;
        }
    }
 
    /**
     * @param {Compilation} compilation the compilation instance
     * @returns {void}
     */
    apply(compilation) {
        const { mainTemplate, chunkTemplate } = compilation;
 
        const onRenderWithEntry = (source, chunk, hash) => {
            const externals = chunk.getModules().filter(m => m.external);
            const externalsDepsArray = JSON.stringify(
                externals.map(m =>
                    typeof m.request === "object" ? m.request.amd : m.request
                )
            );
            const externalsArguments = externals
                .map(
                    m => `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(`${m.id}`)}__`
                )
                .join(", ");
 
            if (this.requireAsWrapper) {
                return new ConcatSource(
                    `require(${externalsDepsArray}, function(${externalsArguments}) { return `,
                    source,
                    "});"
                );
            } else if (this.name) {
                const name = mainTemplate.getAssetPath(this.name, {
                    hash,
                    chunk
                });
 
                return new ConcatSource(
                    `define(${JSON.stringify(
                        name
                    )}, ${externalsDepsArray}, function(${externalsArguments}) { return `,
                    source,
                    "});"
                );
            } else if (externalsArguments) {
                return new ConcatSource(
                    `define(${externalsDepsArray}, function(${externalsArguments}) { return `,
                    source,
                    "});"
                );
            } else {
                return new ConcatSource("define(function() { return ", source, "});");
            }
        };
 
        for (const template of [mainTemplate, chunkTemplate]) {
            template.hooks.renderWithEntry.tap(
                "AmdMainTemplatePlugin",
                onRenderWithEntry
            );
        }
 
        mainTemplate.hooks.globalHashPaths.tap("AmdMainTemplatePlugin", paths => {
            if (this.name) {
                paths.push(this.name);
            }
            return paths;
        });
 
        mainTemplate.hooks.hash.tap("AmdMainTemplatePlugin", hash => {
            hash.update("exports amd");
            if (this.name) {
                hash.update(this.name);
            }
        });
    }
}
 
module.exports = AmdMainTemplatePlugin;