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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { RawSource } = require("webpack-sources");
const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
const Module = require("../Module");
const RuntimeGlobals = require("../RuntimeGlobals");
const makeSerializable = require("../util/makeSerializable");
const { rangeToString, stringifyHoley } = require("../util/semver");
const ConsumeSharedFallbackDependency = require("./ConsumeSharedFallbackDependency");
/** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../ChunkGroup")} ChunkGroup */
/** @typedef {import("../Compilation")} Compilation */
/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */
/** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */
/** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */
/** @typedef {import("../Module").NeedBuildContext} NeedBuildContext */
/** @typedef {import("../RequestShortener")} RequestShortener */
/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
/** @typedef {import("../WebpackError")} WebpackError */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
/** @typedef {import("../util/semver").SemVerRange} SemVerRange */
/**
* @typedef {Object} ConsumeOptions
* @property {string=} import fallback request
* @property {string=} importResolved resolved fallback request
* @property {string} shareKey global share key
* @property {string} shareScope share scope
* @property {SemVerRange | false | undefined} requiredVersion version requirement
* @property {string} packageName package name to determine required version automatically
* @property {boolean} strictVersion don't use shared version even if version isn't valid
* @property {boolean} singleton use single global version
* @property {boolean} eager include the fallback module in a sync way
*/
const TYPES = new Set(["consume-shared"]);
class ConsumeSharedModule extends Module {
/**
* @param {string} context context
* @param {ConsumeOptions} options consume options
*/
constructor(context, options) {
super("consume-shared-module", context);
this.options = options;
}
/**
* @returns {string} a unique identifier of the module
*/
identifier() {
const {
shareKey,
shareScope,
importResolved,
requiredVersion,
strictVersion,
singleton,
eager
} = this.options;
return `consume-shared-module|${shareScope}|${shareKey}|${
requiredVersion && rangeToString(requiredVersion)
}|${strictVersion}|${importResolved}|${singleton}|${eager}`;
}
/**
* @param {RequestShortener} requestShortener the request shortener
* @returns {string} a user readable identifier of the module
*/
readableIdentifier(requestShortener) {
const {
shareKey,
shareScope,
importResolved,
requiredVersion,
strictVersion,
singleton,
eager
} = this.options;
return `consume shared module (${shareScope}) ${shareKey}@${
requiredVersion ? rangeToString(requiredVersion) : "*"
}${strictVersion ? " (strict)" : ""}${singleton ? " (singleton)" : ""}${
importResolved
? ` (fallback: ${requestShortener.shorten(importResolved)})`
: ""
}${eager ? " (eager)" : ""}`;
}
/**
* @param {LibIdentOptions} options options
* @returns {string | null} an identifier for library inclusion
*/
libIdent(options) {
const { shareKey, shareScope, import: request } = this.options;
return `webpack/sharing/consume/${shareScope}/${shareKey}${
request ? `/${request}` : ""
}`;
}
/**
* @param {NeedBuildContext} context context info
* @param {function(WebpackError=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
* @returns {void}
*/
needBuild(context, callback) {
callback(null, !this.buildInfo);
}
/**
* @param {WebpackOptions} options webpack options
* @param {Compilation} compilation the compilation
* @param {ResolverWithOptions} resolver the resolver
* @param {InputFileSystem} fs the file system
* @param {function(WebpackError=): void} callback callback function
* @returns {void}
*/
build(options, compilation, resolver, fs, callback) {
this.buildMeta = {};
this.buildInfo = {};
if (this.options.import) {
const dep = new ConsumeSharedFallbackDependency(this.options.import);
if (this.options.eager) {
this.addDependency(dep);
} else {
const block = new AsyncDependenciesBlock({});
block.addDependency(dep);
this.addBlock(block);
}
}
callback();
}
/**
* @returns {Set<string>} types available (do not mutate)
*/
getSourceTypes() {
return TYPES;
}
/**
* @param {string=} type the source type for which the size should be estimated
* @returns {number} the estimated size of the module (must be non-zero)
*/
size(type) {
return 42;
}
/**
* @param {Hash} hash the hash used to track dependencies
* @param {UpdateHashContext} context context
* @returns {void}
*/
updateHash(hash, context) {
hash.update(JSON.stringify(this.options));
super.updateHash(hash, context);
}
/**
* @param {CodeGenerationContext} context context for code generation
* @returns {CodeGenerationResult} result
*/
codeGeneration({ chunkGraph, moduleGraph, runtimeTemplate }) {
const runtimeRequirements = new Set([RuntimeGlobals.shareScopeMap]);
const {
shareScope,
shareKey,
strictVersion,
requiredVersion,
import: request,
singleton,
eager
} = this.options;
let fallbackCode;
if (request) {
if (eager) {
const dep = this.dependencies[0];
fallbackCode = runtimeTemplate.syncModuleFactory({
dependency: dep,
chunkGraph,
runtimeRequirements,
request: this.options.import
});
} else {
const block = this.blocks[0];
fallbackCode = runtimeTemplate.asyncModuleFactory({
block,
chunkGraph,
runtimeRequirements,
request: this.options.import
});
}
}
let fn = "load";
const args = [JSON.stringify(shareScope), JSON.stringify(shareKey)];
if (requiredVersion) {
if (strictVersion) {
fn += "Strict";
}
if (singleton) {
fn += "Singleton";
}
args.push(stringifyHoley(requiredVersion));
fn += "VersionCheck";
}
if (fallbackCode) {
fn += "Fallback";
args.push(fallbackCode);
}
const code = runtimeTemplate.returningFunction(`${fn}(${args.join(", ")})`);
const sources = new Map();
sources.set("consume-shared", new RawSource(code));
return {
runtimeRequirements,
sources
};
}
serialize(context) {
const { write } = context;
write(this.options);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.options = read();
super.deserialize(context);
}
}
makeSerializable(
ConsumeSharedModule,
"webpack/lib/sharing/ConsumeSharedModule"
);
module.exports = ConsumeSharedModule;