diff options
Diffstat (limited to 'node_modules/webpack/lib/library/SystemLibraryPlugin.js')
| -rw-r--r-- | node_modules/webpack/lib/library/SystemLibraryPlugin.js | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/node_modules/webpack/lib/library/SystemLibraryPlugin.js b/node_modules/webpack/lib/library/SystemLibraryPlugin.js deleted file mode 100644 index 3795985b..00000000 --- a/node_modules/webpack/lib/library/SystemLibraryPlugin.js +++ /dev/null @@ -1,234 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Joel Denning @joeldenning -*/ - -"use strict"; - -const { ConcatSource } = require("webpack-sources"); -const { UsageState } = require("../ExportsInfo"); -const ExternalModule = require("../ExternalModule"); -const Template = require("../Template"); -const propertyAccess = require("../util/propertyAccess"); -const AbstractLibraryPlugin = require("./AbstractLibraryPlugin"); - -/** @typedef {import("webpack-sources").Source} Source */ -/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */ -/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */ -/** @typedef {import("../Chunk")} Chunk */ -/** @typedef {import("../Compilation").ChunkHashContext} ChunkHashContext */ -/** @typedef {import("../Compiler")} Compiler */ -/** @typedef {import("../javascript/JavascriptModulesPlugin").RenderContext} RenderContext */ -/** @typedef {import("../util/Hash")} Hash */ -/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */ - -/** - * @typedef {Object} SystemLibraryPluginOptions - * @property {LibraryType} type - */ - -/** - * @typedef {Object} SystemLibraryPluginParsed - * @property {string} name - */ - -/** - * @typedef {SystemLibraryPluginParsed} T - * @extends {AbstractLibraryPlugin<SystemLibraryPluginParsed>} - */ -class SystemLibraryPlugin extends AbstractLibraryPlugin { - /** - * @param {SystemLibraryPluginOptions} options the plugin options - */ - constructor(options) { - super({ - pluginName: "SystemLibraryPlugin", - type: options.type - }); - } - - /** - * @param {LibraryOptions} library normalized library option - * @returns {T | false} preprocess as needed by overriding - */ - parseOptions(library) { - const { name } = library; - if (name && typeof name !== "string") { - throw new Error( - `System.js library name must be a simple string or unset. ${AbstractLibraryPlugin.COMMON_LIBRARY_NAME_MESSAGE}` - ); - } - return { - name: /** @type {string} */ (name) - }; - } - - /** - * @param {Source} source source - * @param {RenderContext} renderContext render context - * @param {LibraryContext<T>} libraryContext context - * @returns {Source} source with library export - */ - render(source, { chunkGraph, moduleGraph, chunk }, { options, compilation }) { - const modules = chunkGraph - .getChunkModules(chunk) - .filter(m => m instanceof ExternalModule && m.externalType === "system"); - const externals = /** @type {ExternalModule[]} */ (modules); - - // The name this bundle should be registered as with System - const name = options.name - ? `${JSON.stringify(compilation.getPath(options.name, { chunk }))}, ` - : ""; - - // The array of dependencies that are external to webpack and will be provided by System - const systemDependencies = JSON.stringify( - externals.map(m => - typeof m.request === "object" && !Array.isArray(m.request) - ? m.request.amd - : m.request - ) - ); - - // The name of the variable provided by System for exporting - const dynamicExport = "__WEBPACK_DYNAMIC_EXPORT__"; - - // An array of the internal variable names for the webpack externals - const externalWebpackNames = externals.map( - m => - `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier( - `${chunkGraph.getModuleId(m)}` - )}__` - ); - - // Declaring variables for the internal variable names for the webpack externals - const externalVarDeclarations = externalWebpackNames - .map(name => `var ${name} = {};`) - .join("\n"); - - // Define __esModule flag on all internal variables and helpers - /** @type {string[]} */ - const externalVarInitialization = []; - - // The system.register format requires an array of setter functions for externals. - const setters = - externalWebpackNames.length === 0 - ? "" - : Template.asString([ - "setters: [", - Template.indent( - externals - .map((module, i) => { - const external = externalWebpackNames[i]; - const exportsInfo = moduleGraph.getExportsInfo(module); - const otherUnused = - exportsInfo.otherExportsInfo.getUsed(chunk.runtime) === - UsageState.Unused; - const instructions = []; - const handledNames = []; - for (const exportInfo of exportsInfo.orderedExports) { - const used = exportInfo.getUsedName( - undefined, - chunk.runtime - ); - if (used) { - if (otherUnused || used !== exportInfo.name) { - instructions.push( - `${external}${propertyAccess([ - used - ])} = module${propertyAccess([exportInfo.name])};` - ); - handledNames.push(exportInfo.name); - } - } else { - handledNames.push(exportInfo.name); - } - } - if (!otherUnused) { - if ( - !Array.isArray(module.request) || - module.request.length === 1 - ) { - externalVarInitialization.push( - `Object.defineProperty(${external}, "__esModule", { value: true });` - ); - } - if (handledNames.length > 0) { - const name = `${external}handledNames`; - externalVarInitialization.push( - `var ${name} = ${JSON.stringify(handledNames)};` - ); - instructions.push( - Template.asString([ - "Object.keys(module).forEach(function(key) {", - Template.indent([ - `if(${name}.indexOf(key) >= 0)`, - Template.indent(`${external}[key] = module[key];`) - ]), - "});" - ]) - ); - } else { - instructions.push( - Template.asString([ - "Object.keys(module).forEach(function(key) {", - Template.indent([`${external}[key] = module[key];`]), - "});" - ]) - ); - } - } - if (instructions.length === 0) return "function() {}"; - return Template.asString([ - "function(module) {", - Template.indent(instructions), - "}" - ]); - }) - .join(",\n") - ), - "]," - ]); - - return new ConcatSource( - Template.asString([ - `System.register(${name}${systemDependencies}, function(${dynamicExport}, __system_context__) {`, - Template.indent([ - externalVarDeclarations, - Template.asString(externalVarInitialization), - "return {", - Template.indent([ - setters, - "execute: function() {", - Template.indent(`${dynamicExport}(`) - ]) - ]), - "" - ]), - source, - Template.asString([ - "", - Template.indent([ - Template.indent([Template.indent([");"]), "}"]), - "};" - ]), - "})" - ]) - ); - } - - /** - * @param {Chunk} chunk the chunk - * @param {Hash} hash hash - * @param {ChunkHashContext} chunkHashContext chunk hash context - * @param {LibraryContext<T>} libraryContext context - * @returns {void} - */ - chunkHash(chunk, hash, chunkHashContext, { options, compilation }) { - hash.update("SystemLibraryPlugin"); - if (options.name) { - hash.update(compilation.getPath(options.name, { chunk })); - } - } -} - -module.exports = SystemLibraryPlugin; |