653 lines
19 KiB
JavaScript
Vendored
653 lines
19 KiB
JavaScript
Vendored
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const versions = require("process").versions;
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const Resolver = require("./Resolver");
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const { getType, PathType } = require("./util/path");
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const SyncAsyncFileSystemDecorator = require("./SyncAsyncFileSystemDecorator");
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const AliasFieldPlugin = require("./AliasFieldPlugin");
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const AliasPlugin = require("./AliasPlugin");
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const AppendPlugin = require("./AppendPlugin");
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const ConditionalPlugin = require("./ConditionalPlugin");
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const DescriptionFilePlugin = require("./DescriptionFilePlugin");
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const DirectoryExistsPlugin = require("./DirectoryExistsPlugin");
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const ExportsFieldPlugin = require("./ExportsFieldPlugin");
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const FileExistsPlugin = require("./FileExistsPlugin");
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const ImportsFieldPlugin = require("./ImportsFieldPlugin");
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const JoinRequestPartPlugin = require("./JoinRequestPartPlugin");
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const JoinRequestPlugin = require("./JoinRequestPlugin");
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const MainFieldPlugin = require("./MainFieldPlugin");
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const ModulesInHierachicDirectoriesPlugin = require("./ModulesInHierachicDirectoriesPlugin");
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const ModulesInRootPlugin = require("./ModulesInRootPlugin");
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const NextPlugin = require("./NextPlugin");
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const ParsePlugin = require("./ParsePlugin");
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const PnpPlugin = require("./PnpPlugin");
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const RestrictionsPlugin = require("./RestrictionsPlugin");
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const ResultPlugin = require("./ResultPlugin");
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const RootsPlugin = require("./RootsPlugin");
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const SelfReferencePlugin = require("./SelfReferencePlugin");
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const SymlinkPlugin = require("./SymlinkPlugin");
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const TryNextPlugin = require("./TryNextPlugin");
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const UnsafeCachePlugin = require("./UnsafeCachePlugin");
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const UseFilePlugin = require("./UseFilePlugin");
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/** @typedef {import("./AliasPlugin").AliasOption} AliasOptionEntry */
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/** @typedef {import("./PnpPlugin").PnpApiImpl} PnpApi */
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/** @typedef {import("./Resolver").FileSystem} FileSystem */
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/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
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/** @typedef {import("./Resolver").SyncFileSystem} SyncFileSystem */
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/** @typedef {string|string[]|false} AliasOptionNewRequest */
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/** @typedef {{[k: string]: AliasOptionNewRequest}} AliasOptions */
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/** @typedef {{apply: function(Resolver): void} | function(this: Resolver, Resolver): void} Plugin */
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/**
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* @typedef {Object} UserResolveOptions
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* @property {(AliasOptions | AliasOptionEntry[])=} alias A list of module alias configurations or an object which maps key to value
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* @property {(AliasOptions | AliasOptionEntry[])=} fallback A list of module alias configurations or an object which maps key to value, applied only after modules option
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* @property {(string | string[])[]=} aliasFields A list of alias fields in description files
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* @property {(function(ResolveRequest): boolean)=} cachePredicate A function which decides whether a request should be cached or not. An object is passed with at least `path` and `request` properties.
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* @property {boolean=} cacheWithContext Whether or not the unsafeCache should include request context as part of the cache key.
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* @property {string[]=} descriptionFiles A list of description files to read from
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* @property {string[]=} conditionNames A list of exports field condition names.
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* @property {boolean=} enforceExtension Enforce that a extension from extensions must be used
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* @property {(string | string[])[]=} exportsFields A list of exports fields in description files
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* @property {(string | string[])[]=} importsFields A list of imports fields in description files
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* @property {string[]=} extensions A list of extensions which should be tried for files
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* @property {FileSystem} fileSystem The file system which should be used
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* @property {(object | boolean)=} unsafeCache Use this cache object to unsafely cache the successful requests
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* @property {boolean=} symlinks Resolve symlinks to their symlinked location
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* @property {Resolver=} resolver A prepared Resolver to which the plugins are attached
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* @property {string[] | string=} modules A list of directories to resolve modules from, can be absolute path or folder name
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* @property {(string | string[] | {name: string | string[], forceRelative: boolean})[]=} mainFields A list of main fields in description files
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* @property {string[]=} mainFiles A list of main files in directories
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* @property {Plugin[]=} plugins A list of additional resolve plugins which should be applied
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* @property {PnpApi | null=} pnpApi A PnP API that should be used - null is "never", undefined is "auto"
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* @property {string[]=} roots A list of root paths
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* @property {boolean=} fullySpecified The request is already fully specified and no extensions or directories are resolved for it
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* @property {boolean=} resolveToContext Resolve to a context instead of a file
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* @property {(string|RegExp)[]=} restrictions A list of resolve restrictions
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* @property {boolean=} useSyncFileSystemCalls Use only the sync constiants of the file system calls
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* @property {boolean=} preferRelative Prefer to resolve module requests as relative requests before falling back to modules
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* @property {boolean=} preferAbsolute Prefer to resolve server-relative urls as absolute paths before falling back to resolve in roots
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*/
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/**
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* @typedef {Object} ResolveOptions
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* @property {AliasOptionEntry[]} alias
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* @property {AliasOptionEntry[]} fallback
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* @property {Set<string | string[]>} aliasFields
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* @property {(function(ResolveRequest): boolean)} cachePredicate
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* @property {boolean} cacheWithContext
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* @property {Set<string>} conditionNames A list of exports field condition names.
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* @property {string[]} descriptionFiles
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* @property {boolean} enforceExtension
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* @property {Set<string | string[]>} exportsFields
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* @property {Set<string | string[]>} importsFields
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* @property {Set<string>} extensions
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* @property {FileSystem} fileSystem
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* @property {object | false} unsafeCache
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* @property {boolean} symlinks
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* @property {Resolver=} resolver
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* @property {Array<string | string[]>} modules
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* @property {{name: string[], forceRelative: boolean}[]} mainFields
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* @property {Set<string>} mainFiles
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* @property {Plugin[]} plugins
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* @property {PnpApi | null} pnpApi
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* @property {Set<string>} roots
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* @property {boolean} fullySpecified
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* @property {boolean} resolveToContext
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* @property {Set<string|RegExp>} restrictions
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* @property {boolean} preferRelative
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* @property {boolean} preferAbsolute
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*/
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/**
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* @param {PnpApi | null=} option option
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* @returns {PnpApi | null} processed option
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*/
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function processPnpApiOption(option) {
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if (
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option === undefined &&
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/** @type {NodeJS.ProcessVersions & {pnp: string}} */ versions.pnp
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) {
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// @ts-ignore
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return require("pnpapi"); // eslint-disable-line node/no-missing-require
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}
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return option || null;
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}
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/**
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* @param {AliasOptions | AliasOptionEntry[] | undefined} alias alias
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* @returns {AliasOptionEntry[]} normalized aliases
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*/
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function normalizeAlias(alias) {
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return typeof alias === "object" && !Array.isArray(alias) && alias !== null
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? Object.keys(alias).map(key => {
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/** @type {AliasOptionEntry} */
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const obj = { name: key, onlyModule: false, alias: alias[key] };
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if (/\$$/.test(key)) {
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obj.onlyModule = true;
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obj.name = key.substr(0, key.length - 1);
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}
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return obj;
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})
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: /** @type {Array<AliasOptionEntry>} */ (alias) || [];
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}
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/**
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* @param {UserResolveOptions} options input options
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* @returns {ResolveOptions} output options
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*/
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function createOptions(options) {
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const mainFieldsSet = new Set(options.mainFields || ["main"]);
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const mainFields = [];
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for (const item of mainFieldsSet) {
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if (typeof item === "string") {
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mainFields.push({
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name: [item],
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forceRelative: true
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});
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} else if (Array.isArray(item)) {
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mainFields.push({
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name: item,
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forceRelative: true
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});
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} else {
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mainFields.push({
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name: Array.isArray(item.name) ? item.name : [item.name],
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forceRelative: item.forceRelative
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});
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}
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}
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return {
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alias: normalizeAlias(options.alias),
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fallback: normalizeAlias(options.fallback),
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aliasFields: new Set(options.aliasFields),
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cachePredicate:
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options.cachePredicate ||
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function () {
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return true;
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},
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cacheWithContext:
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typeof options.cacheWithContext !== "undefined"
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? options.cacheWithContext
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: true,
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exportsFields: new Set(options.exportsFields || ["exports"]),
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importsFields: new Set(options.importsFields || ["imports"]),
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conditionNames: new Set(options.conditionNames),
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descriptionFiles: Array.from(
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new Set(options.descriptionFiles || ["package.json"])
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),
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enforceExtension:
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options.enforceExtension === undefined
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? options.extensions && options.extensions.includes("")
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? true
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: false
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: options.enforceExtension,
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extensions: new Set(options.extensions || [".js", ".json", ".node"]),
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fileSystem: options.useSyncFileSystemCalls
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? new SyncAsyncFileSystemDecorator(
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/** @type {SyncFileSystem} */ (
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/** @type {unknown} */ (options.fileSystem)
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)
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)
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: options.fileSystem,
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unsafeCache:
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options.unsafeCache && typeof options.unsafeCache !== "object"
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? {}
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: options.unsafeCache || false,
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symlinks: typeof options.symlinks !== "undefined" ? options.symlinks : true,
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resolver: options.resolver,
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modules: mergeFilteredToArray(
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Array.isArray(options.modules)
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? options.modules
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: options.modules
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? [options.modules]
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: ["node_modules"],
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item => {
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const type = getType(item);
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return type === PathType.Normal || type === PathType.Relative;
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}
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),
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mainFields,
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mainFiles: new Set(options.mainFiles || ["index"]),
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plugins: options.plugins || [],
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pnpApi: processPnpApiOption(options.pnpApi),
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roots: new Set(options.roots || undefined),
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fullySpecified: options.fullySpecified || false,
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resolveToContext: options.resolveToContext || false,
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preferRelative: options.preferRelative || false,
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preferAbsolute: options.preferAbsolute || false,
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restrictions: new Set(options.restrictions)
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};
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}
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/**
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* @param {UserResolveOptions} options resolve options
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* @returns {Resolver} created resolver
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*/
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exports.createResolver = function (options) {
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const normalizedOptions = createOptions(options);
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const {
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alias,
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fallback,
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aliasFields,
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cachePredicate,
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cacheWithContext,
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conditionNames,
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descriptionFiles,
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enforceExtension,
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exportsFields,
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importsFields,
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extensions,
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fileSystem,
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fullySpecified,
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mainFields,
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mainFiles,
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modules,
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plugins: userPlugins,
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pnpApi,
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resolveToContext,
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preferRelative,
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preferAbsolute,
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symlinks,
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unsafeCache,
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resolver: customResolver,
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restrictions,
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roots
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} = normalizedOptions;
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const plugins = userPlugins.slice();
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const resolver = customResolver
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? customResolver
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: new Resolver(fileSystem, normalizedOptions);
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//// pipeline ////
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resolver.ensureHook("resolve");
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resolver.ensureHook("internalResolve");
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resolver.ensureHook("newInteralResolve");
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resolver.ensureHook("parsedResolve");
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resolver.ensureHook("describedResolve");
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resolver.ensureHook("internal");
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resolver.ensureHook("rawModule");
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resolver.ensureHook("module");
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resolver.ensureHook("resolveAsModule");
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resolver.ensureHook("undescribedResolveInPackage");
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resolver.ensureHook("resolveInPackage");
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resolver.ensureHook("resolveInExistingDirectory");
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resolver.ensureHook("relative");
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resolver.ensureHook("describedRelative");
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resolver.ensureHook("directory");
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resolver.ensureHook("undescribedExistingDirectory");
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resolver.ensureHook("existingDirectory");
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resolver.ensureHook("undescribedRawFile");
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resolver.ensureHook("rawFile");
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resolver.ensureHook("file");
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resolver.ensureHook("finalFile");
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resolver.ensureHook("existingFile");
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resolver.ensureHook("resolved");
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// resolve
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for (const { source, resolveOptions } of [
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{ source: "resolve", resolveOptions: { fullySpecified } },
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{ source: "internal-resolve", resolveOptions: { fullySpecified: false } }
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]) {
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if (unsafeCache) {
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plugins.push(
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new UnsafeCachePlugin(
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source,
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cachePredicate,
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unsafeCache,
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cacheWithContext,
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`new-${source}`
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)
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);
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plugins.push(
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new ParsePlugin(`new-${source}`, resolveOptions, "parsed-resolve")
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);
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} else {
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plugins.push(new ParsePlugin(source, resolveOptions, "parsed-resolve"));
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}
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}
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// parsed-resolve
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plugins.push(
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new DescriptionFilePlugin(
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"parsed-resolve",
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descriptionFiles,
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false,
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"described-resolve"
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)
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);
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plugins.push(new NextPlugin("after-parsed-resolve", "described-resolve"));
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// described-resolve
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plugins.push(new NextPlugin("described-resolve", "normal-resolve"));
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if (fallback.length > 0) {
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plugins.push(
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new AliasPlugin("described-resolve", fallback, "internal-resolve")
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);
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}
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// normal-resolve
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if (alias.length > 0)
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plugins.push(new AliasPlugin("normal-resolve", alias, "internal-resolve"));
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aliasFields.forEach(item => {
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plugins.push(
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new AliasFieldPlugin("normal-resolve", item, "internal-resolve")
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);
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});
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if (preferRelative) {
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plugins.push(new JoinRequestPlugin("after-normal-resolve", "relative"));
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}
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plugins.push(
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new ConditionalPlugin(
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"after-normal-resolve",
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{ module: true },
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"resolve as module",
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false,
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"raw-module"
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)
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);
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plugins.push(
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new ConditionalPlugin(
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"after-normal-resolve",
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{ internal: true },
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"resolve as internal import",
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false,
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"internal"
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)
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);
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if (preferAbsolute) {
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plugins.push(new JoinRequestPlugin("after-normal-resolve", "relative"));
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}
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if (roots.size > 0) {
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plugins.push(new RootsPlugin("after-normal-resolve", roots, "relative"));
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}
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if (!preferRelative && !preferAbsolute) {
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plugins.push(new JoinRequestPlugin("after-normal-resolve", "relative"));
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}
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// internal
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importsFields.forEach(importsField => {
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plugins.push(
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new ImportsFieldPlugin(
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"internal",
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conditionNames,
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importsField,
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"relative",
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"internal-resolve"
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)
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);
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});
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// raw-module
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exportsFields.forEach(exportsField => {
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plugins.push(
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new SelfReferencePlugin("raw-module", exportsField, "resolve-as-module")
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);
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});
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modules.forEach(item => {
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if (Array.isArray(item)) {
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if (item.includes("node_modules") && pnpApi) {
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plugins.push(
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new ModulesInHierachicDirectoriesPlugin(
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"raw-module",
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item.filter(i => i !== "node_modules"),
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"module"
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)
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);
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plugins.push(
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new PnpPlugin("raw-module", pnpApi, "undescribed-resolve-in-package")
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);
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} else {
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plugins.push(
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new ModulesInHierachicDirectoriesPlugin("raw-module", item, "module")
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);
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}
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} else {
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plugins.push(new ModulesInRootPlugin("raw-module", item, "module"));
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}
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});
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// module
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plugins.push(new JoinRequestPartPlugin("module", "resolve-as-module"));
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// resolve-as-module
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if (!resolveToContext) {
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plugins.push(
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new ConditionalPlugin(
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"resolve-as-module",
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{ directory: false, request: "." },
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"single file module",
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true,
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"undescribed-raw-file"
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)
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);
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}
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plugins.push(
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new DirectoryExistsPlugin(
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"resolve-as-module",
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"undescribed-resolve-in-package"
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)
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);
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// undescribed-resolve-in-package
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plugins.push(
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new DescriptionFilePlugin(
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"undescribed-resolve-in-package",
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descriptionFiles,
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false,
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"resolve-in-package"
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)
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);
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plugins.push(
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new NextPlugin("after-undescribed-resolve-in-package", "resolve-in-package")
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);
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// resolve-in-package
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exportsFields.forEach(exportsField => {
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plugins.push(
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new ExportsFieldPlugin(
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"resolve-in-package",
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conditionNames,
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exportsField,
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"relative"
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)
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);
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});
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plugins.push(
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new NextPlugin("resolve-in-package", "resolve-in-existing-directory")
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);
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// resolve-in-existing-directory
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plugins.push(
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new JoinRequestPlugin("resolve-in-existing-directory", "relative")
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);
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// relative
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plugins.push(
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new DescriptionFilePlugin(
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"relative",
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descriptionFiles,
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true,
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"described-relative"
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)
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);
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plugins.push(new NextPlugin("after-relative", "described-relative"));
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// described-relative
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if (resolveToContext) {
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plugins.push(new NextPlugin("described-relative", "directory"));
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} else {
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plugins.push(
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new ConditionalPlugin(
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"described-relative",
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{ directory: false },
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null,
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true,
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"raw-file"
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)
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);
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plugins.push(
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new ConditionalPlugin(
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"described-relative",
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{ fullySpecified: false },
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"as directory",
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true,
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"directory"
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)
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);
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}
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// directory
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plugins.push(
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new DirectoryExistsPlugin("directory", "undescribed-existing-directory")
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);
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if (resolveToContext) {
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// undescribed-existing-directory
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plugins.push(new NextPlugin("undescribed-existing-directory", "resolved"));
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} else {
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// undescribed-existing-directory
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plugins.push(
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|
new DescriptionFilePlugin(
|
|
"undescribed-existing-directory",
|
|
descriptionFiles,
|
|
false,
|
|
"existing-directory"
|
|
)
|
|
);
|
|
mainFiles.forEach(item => {
|
|
plugins.push(
|
|
new UseFilePlugin(
|
|
"undescribed-existing-directory",
|
|
item,
|
|
"undescribed-raw-file"
|
|
)
|
|
);
|
|
});
|
|
|
|
// described-existing-directory
|
|
mainFields.forEach(item => {
|
|
plugins.push(
|
|
new MainFieldPlugin(
|
|
"existing-directory",
|
|
item,
|
|
"resolve-in-existing-directory"
|
|
)
|
|
);
|
|
});
|
|
mainFiles.forEach(item => {
|
|
plugins.push(
|
|
new UseFilePlugin("existing-directory", item, "undescribed-raw-file")
|
|
);
|
|
});
|
|
|
|
// undescribed-raw-file
|
|
plugins.push(
|
|
new DescriptionFilePlugin(
|
|
"undescribed-raw-file",
|
|
descriptionFiles,
|
|
true,
|
|
"raw-file"
|
|
)
|
|
);
|
|
plugins.push(new NextPlugin("after-undescribed-raw-file", "raw-file"));
|
|
|
|
// raw-file
|
|
plugins.push(
|
|
new ConditionalPlugin(
|
|
"raw-file",
|
|
{ fullySpecified: true },
|
|
null,
|
|
false,
|
|
"file"
|
|
)
|
|
);
|
|
if (!enforceExtension) {
|
|
plugins.push(new TryNextPlugin("raw-file", "no extension", "file"));
|
|
}
|
|
extensions.forEach(item => {
|
|
plugins.push(new AppendPlugin("raw-file", item, "file"));
|
|
});
|
|
|
|
// file
|
|
if (alias.length > 0)
|
|
plugins.push(new AliasPlugin("file", alias, "internal-resolve"));
|
|
aliasFields.forEach(item => {
|
|
plugins.push(new AliasFieldPlugin("file", item, "internal-resolve"));
|
|
});
|
|
plugins.push(new NextPlugin("file", "final-file"));
|
|
|
|
// final-file
|
|
plugins.push(new FileExistsPlugin("final-file", "existing-file"));
|
|
|
|
// existing-file
|
|
if (symlinks)
|
|
plugins.push(new SymlinkPlugin("existing-file", "existing-file"));
|
|
plugins.push(new NextPlugin("existing-file", "resolved"));
|
|
}
|
|
|
|
// resolved
|
|
if (restrictions.size > 0) {
|
|
plugins.push(new RestrictionsPlugin(resolver.hooks.resolved, restrictions));
|
|
}
|
|
plugins.push(new ResultPlugin(resolver.hooks.resolved));
|
|
|
|
//// RESOLVER ////
|
|
|
|
for (const plugin of plugins) {
|
|
if (typeof plugin === "function") {
|
|
plugin.call(resolver, resolver);
|
|
} else {
|
|
plugin.apply(resolver);
|
|
}
|
|
}
|
|
|
|
return resolver;
|
|
};
|
|
|
|
/**
|
|
* Merging filtered elements
|
|
* @param {string[]} array source array
|
|
* @param {function(string): boolean} filter predicate
|
|
* @returns {Array<string | string[]>} merge result
|
|
*/
|
|
function mergeFilteredToArray(array, filter) {
|
|
/** @type {Array<string | string[]>} */
|
|
const result = [];
|
|
const set = new Set(array);
|
|
|
|
for (const item of set) {
|
|
if (filter(item)) {
|
|
const lastElement =
|
|
result.length > 0 ? result[result.length - 1] : undefined;
|
|
if (Array.isArray(lastElement)) {
|
|
lastElement.push(item);
|
|
} else {
|
|
result.push([item]);
|
|
}
|
|
} else {
|
|
result.push(item);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|