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Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ModuleNotFoundError = require("../ModuleNotFoundError");
const RuntimeGlobals = require("../RuntimeGlobals");
const WebpackError = require("../WebpackError");
const { parseOptions } = require("../container/options");
const LazySet = require("../util/LazySet");
const createSchemaValidation = require("../util/create-schema-validation");
const { parseRange } = require("../util/semver");
const ConsumeSharedFallbackDependency = require("./ConsumeSharedFallbackDependency");
const ConsumeSharedModule = require("./ConsumeSharedModule");
const ConsumeSharedRuntimeModule = require("./ConsumeSharedRuntimeModule");
const ProvideForSharedDependency = require("./ProvideForSharedDependency");
const { resolveMatchedConfigs } = require("./resolveMatchedConfigs");
const {
isRequiredVersion,
getDescriptionFile,
getRequiredVersionFromDescriptionFile
} = require("./utils");
/** @typedef {import("../../declarations/plugins/sharing/ConsumeSharedPlugin").ConsumeSharedPluginOptions} ConsumeSharedPluginOptions */
/** @typedef {import("../../declarations/plugins/sharing/ConsumeSharedPlugin").ConsumesConfig} ConsumesConfig */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../ResolverFactory").ResolveOptionsWithDependencyType} ResolveOptionsWithDependencyType */
/** @typedef {import("./ConsumeSharedModule").ConsumeOptions} ConsumeOptions */
const validate = createSchemaValidation(
require("../../schemas/plugins/sharing/ConsumeSharedPlugin.check.js"),
() => require("../../schemas/plugins/sharing/ConsumeSharedPlugin.json"),
{
name: "Consume Shared Plugin",
baseDataPath: "options"
}
);
/** @type {ResolveOptionsWithDependencyType} */
const RESOLVE_OPTIONS = { dependencyType: "esm" };
const PLUGIN_NAME = "ConsumeSharedPlugin";
class ConsumeSharedPlugin {
/**
* @param {ConsumeSharedPluginOptions} options options
*/
constructor(options) {
if (typeof options !== "string") {
validate(options);
}
/** @type {[string, ConsumeOptions][]} */
this._consumes = parseOptions(
options.consumes,
(item, key) => {
if (Array.isArray(item)) throw new Error("Unexpected array in options");
/** @type {ConsumeOptions} */
let result =
item === key || !isRequiredVersion(item)
? // item is a request/key
{
import: key,
shareScope: options.shareScope || "default",
shareKey: key,
requiredVersion: undefined,
packageName: undefined,
strictVersion: false,
singleton: false,
eager: false
}
: // key is a request/key
// item is a version
{
import: key,
shareScope: options.shareScope || "default",
shareKey: key,
requiredVersion: parseRange(item),
strictVersion: true,
packageName: undefined,
singleton: false,
eager: false
};
return result;
},
(item, key) => ({
import: item.import === false ? undefined : item.import || key,
shareScope: item.shareScope || options.shareScope || "default",
shareKey: item.shareKey || key,
requiredVersion:
typeof item.requiredVersion === "string"
? parseRange(item.requiredVersion)
: item.requiredVersion,
strictVersion:
typeof item.strictVersion === "boolean"
? item.strictVersion
: item.import !== false && !item.singleton,
packageName: item.packageName,
singleton: !!item.singleton,
eager: !!item.eager
})
);
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.thisCompilation.tap(
PLUGIN_NAME,
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
ConsumeSharedFallbackDependency,
normalModuleFactory
);
/** @type {Map} */
let unresolvedConsumes;
/** @type {Map} */
let resolvedConsumes;
/** @type {Map} */
let prefixedConsumes;
const promise = resolveMatchedConfigs(compilation, this._consumes).then(
({ resolved, unresolved, prefixed }) => {
resolvedConsumes = resolved;
unresolvedConsumes = unresolved;
prefixedConsumes = prefixed;
}
);
const resolver = compilation.resolverFactory.get(
"normal",
RESOLVE_OPTIONS
);
/**
* @param {string} context issuer directory
* @param {string} request request
* @param {ConsumeOptions} config options
* @returns {Promise} create module
*/
const createConsumeSharedModule = (context, request, config) => {
/**
* @param {string} details details
*/
const requiredVersionWarning = details => {
const error = new WebpackError(
`No required version specified and unable to automatically determine one. ${details}`
);
error.file = `shared module ${request}`;
compilation.warnings.push(error);
};
const directFallback =
config.import &&
/^(\.\.?(\/|$)|\/|[A-Za-z]:|\\\\)/.test(config.import);
return Promise.all([
new Promise(resolve => {
if (!config.import) return resolve();
const resolveContext = {
/** @type {LazySet} */
fileDependencies: new LazySet(),
/** @type {LazySet} */
contextDependencies: new LazySet(),
/** @type {LazySet} */
missingDependencies: new LazySet()
};
resolver.resolve(
{},
directFallback ? compiler.context : context,
config.import,
resolveContext,
(err, result) => {
compilation.contextDependencies.addAll(
resolveContext.contextDependencies
);
compilation.fileDependencies.addAll(
resolveContext.fileDependencies
);
compilation.missingDependencies.addAll(
resolveContext.missingDependencies
);
if (err) {
compilation.errors.push(
new ModuleNotFoundError(null, err, {
name: `resolving fallback for shared module ${request}`
})
);
return resolve();
}
resolve(result);
}
);
}),
new Promise(resolve => {
if (config.requiredVersion !== undefined)
return resolve(config.requiredVersion);
let packageName = config.packageName;
if (packageName === undefined) {
if (/^(\/|[A-Za-z]:|\\\\)/.test(request)) {
// For relative or absolute requests we don't automatically use a packageName.
// If wished one can specify one with the packageName option.
return resolve();
}
const match = /^((?:@[^\\/]+[\\/])?[^\\/]+)/.exec(request);
if (!match) {
requiredVersionWarning(
"Unable to extract the package name from request."
);
return resolve();
}
packageName = match[0];
}
getDescriptionFile(
compilation.inputFileSystem,
context,
["package.json"],
(err, result) => {
if (err) {
requiredVersionWarning(
`Unable to read description file: ${err}`
);
return resolve();
}
const { data, path: descriptionPath } = result;
if (!data) {
requiredVersionWarning(
`Unable to find description file in ${context}.`
);
return resolve();
}
if (data.name === packageName) {
// Package self-referencing
return resolve();
}
const requiredVersion = getRequiredVersionFromDescriptionFile(
data,
packageName
);
if (typeof requiredVersion !== "string") {
requiredVersionWarning(
`Unable to find required version for "${packageName}" in description file (${descriptionPath}). It need to be in dependencies, devDependencies or peerDependencies.`
);
return resolve();
}
resolve(parseRange(requiredVersion));
}
);
})
]).then(([importResolved, requiredVersion]) => {
return new ConsumeSharedModule(
directFallback ? compiler.context : context,
{
...config,
importResolved,
import: importResolved ? config.import : undefined,
requiredVersion
}
);
});
};
normalModuleFactory.hooks.factorize.tapPromise(
PLUGIN_NAME,
({ context, request, dependencies }) =>
// wait for resolving to be complete
promise.then(() => {
if (
dependencies[0] instanceof ConsumeSharedFallbackDependency ||
dependencies[0] instanceof ProvideForSharedDependency
) {
return;
}
const match = unresolvedConsumes.get(request);
if (match !== undefined) {
return createConsumeSharedModule(context, request, match);
}
for (const [prefix, options] of prefixedConsumes) {
if (request.startsWith(prefix)) {
const remainder = request.slice(prefix.length);
return createConsumeSharedModule(context, request, {
...options,
import: options.import
? options.import + remainder
: undefined,
shareKey: options.shareKey + remainder
});
}
}
})
);
normalModuleFactory.hooks.createModule.tapPromise(
PLUGIN_NAME,
({ resource }, { context, dependencies }) => {
if (
dependencies[0] instanceof ConsumeSharedFallbackDependency ||
dependencies[0] instanceof ProvideForSharedDependency
) {
return Promise.resolve();
}
const options = resolvedConsumes.get(
/** @type {string} */ (resource)
);
if (options !== undefined) {
return createConsumeSharedModule(
context,
/** @type {string} */ (resource),
options
);
}
return Promise.resolve();
}
);
compilation.hooks.additionalTreeRuntimeRequirements.tap(
PLUGIN_NAME,
(chunk, set) => {
set.add(RuntimeGlobals.module);
set.add(RuntimeGlobals.moduleCache);
set.add(RuntimeGlobals.moduleFactoriesAddOnly);
set.add(RuntimeGlobals.shareScopeMap);
set.add(RuntimeGlobals.initializeSharing);
set.add(RuntimeGlobals.hasOwnProperty);
compilation.addRuntimeModule(
chunk,
new ConsumeSharedRuntimeModule(set)
);
}
);
}
);
}
}
module.exports = ConsumeSharedPlugin;