webpack/lib/sharing/resolveMatchedConfigs.js

92 lines
2.6 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ModuleNotFoundError = require("../ModuleNotFoundError");
const LazySet = require("../util/LazySet");
/** @typedef {import("../Compilation")} Compilation */
/** @typedef {import("../ResolverFactory").ResolveOptionsWithDependencyType} ResolveOptionsWithDependencyType */
/**
* @template T
* @typedef {Object} MatchedConfigs
* @property {Map<string, T>} resolved
* @property {Map<string, T>} unresolved
* @property {Map<string, T>} prefixed
*/
/** @type {ResolveOptionsWithDependencyType} */
const RESOLVE_OPTIONS = { dependencyType: "esm" };
/**
* @template T
* @param {Compilation} compilation the compilation
* @param {[string, T][]} configs to be processed configs
* @returns {Promise<MatchedConfigs<T>>} resolved matchers
*/
exports.resolveMatchedConfigs = (compilation, configs) => {
/** @type {Map<string, T>} */
const resolved = new Map();
/** @type {Map<string, T>} */
const unresolved = new Map();
/** @type {Map<string, T>} */
const prefixed = new Map();
const resolveContext = {
/** @type {LazySet<string>} */
fileDependencies: new LazySet(),
/** @type {LazySet<string>} */
contextDependencies: new LazySet(),
/** @type {LazySet<string>} */
missingDependencies: new LazySet()
};
const resolver = compilation.resolverFactory.get("normal", RESOLVE_OPTIONS);
const context = compilation.compiler.context;
return Promise.all(
configs.map(([request, config]) => {
if (/^\.\.?(\/|$)/.test(request)) {
// relative request
return new Promise(resolve => {
resolver.resolve(
{},
context,
request,
resolveContext,
(err, result) => {
if (err || result === false) {
err = err || new Error(`Can't resolve ${request}`);
compilation.errors.push(
new ModuleNotFoundError(null, err, {
name: `shared module ${request}`
})
);
return resolve();
}
resolved.set(result, config);
resolve();
}
);
});
} else if (/^(\/|[A-Za-z]:\\|\\\\)/.test(request)) {
// absolute path
resolved.set(request, config);
} else if (request.endsWith("/")) {
// module request prefix
prefixed.set(request, config);
} else {
// module request
unresolved.set(request, config);
}
})
).then(() => {
compilation.contextDependencies.addAll(resolveContext.contextDependencies);
compilation.fileDependencies.addAll(resolveContext.fileDependencies);
compilation.missingDependencies.addAll(resolveContext.missingDependencies);
return { resolved, unresolved, prefixed };
});
};