diff options
Diffstat (limited to 'node_modules/enhanced-resolve/lib/ExportsFieldPlugin.js')
| -rw-r--r-- | node_modules/enhanced-resolve/lib/ExportsFieldPlugin.js | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/node_modules/enhanced-resolve/lib/ExportsFieldPlugin.js b/node_modules/enhanced-resolve/lib/ExportsFieldPlugin.js deleted file mode 100644 index 671c1fee..00000000 --- a/node_modules/enhanced-resolve/lib/ExportsFieldPlugin.js +++ /dev/null @@ -1,200 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Ivan Kopeykin @vankop -*/ - -"use strict"; - -const DescriptionFileUtils = require("./DescriptionFileUtils"); -const forEachBail = require("./forEachBail"); -const { processExportsField } = require("./util/entrypoints"); -const { parseIdentifier } = require("./util/identifier"); -const { - invalidSegmentRegEx, - deprecatedInvalidSegmentRegEx -} = require("./util/path"); - -/** @typedef {import("./Resolver")} Resolver */ -/** @typedef {import("./Resolver").JsonObject} JsonObject */ -/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */ -/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */ -/** @typedef {import("./util/entrypoints").ExportsField} ExportsField */ -/** @typedef {import("./util/entrypoints").FieldProcessor} FieldProcessor */ - -module.exports = class ExportsFieldPlugin { - /** - * @param {string | ResolveStepHook} source source - * @param {Set<string>} conditionNames condition names - * @param {string | string[]} fieldNamePath name path - * @param {string | ResolveStepHook} target target - */ - constructor(source, conditionNames, fieldNamePath, target) { - this.source = source; - this.target = target; - this.conditionNames = conditionNames; - this.fieldName = fieldNamePath; - /** @type {WeakMap<JsonObject, FieldProcessor>} */ - this.fieldProcessorCache = new WeakMap(); - } - - /** - * @param {Resolver} resolver the resolver - * @returns {void} - */ - apply(resolver) { - const target = resolver.ensureHook(this.target); - resolver - .getHook(this.source) - .tapAsync("ExportsFieldPlugin", (request, resolveContext, callback) => { - // When there is no description file, abort - if (!request.descriptionFilePath) return callback(); - if ( - // When the description file is inherited from parent, abort - // (There is no description file inside of this package) - request.relativePath !== "." || - request.request === undefined - ) - return callback(); - - const remainingRequest = - request.query || request.fragment - ? (request.request === "." ? "./" : request.request) + - request.query + - request.fragment - : request.request; - const exportsField = - /** @type {ExportsField|null|undefined} */ - ( - DescriptionFileUtils.getField( - /** @type {JsonObject} */ (request.descriptionFileData), - this.fieldName - ) - ); - if (!exportsField) return callback(); - - if (request.directory) { - return callback( - new Error( - `Resolving to directories is not possible with the exports field (request was ${remainingRequest}/)` - ) - ); - } - - /** @type {string[]} */ - let paths; - /** @type {string | null} */ - let usedField; - - try { - // We attach the cache to the description file instead of the exportsField value - // because we use a WeakMap and the exportsField could be a string too. - // Description file is always an object when exports field can be accessed. - let fieldProcessor = this.fieldProcessorCache.get( - /** @type {JsonObject} */ (request.descriptionFileData) - ); - if (fieldProcessor === undefined) { - fieldProcessor = processExportsField(exportsField); - this.fieldProcessorCache.set( - /** @type {JsonObject} */ (request.descriptionFileData), - fieldProcessor - ); - } - [paths, usedField] = fieldProcessor( - remainingRequest, - this.conditionNames - ); - } catch (/** @type {unknown} */ err) { - if (resolveContext.log) { - resolveContext.log( - `Exports field in ${request.descriptionFilePath} can't be processed: ${err}` - ); - } - return callback(/** @type {Error} */ (err)); - } - - if (paths.length === 0) { - return callback( - new Error( - `Package path ${remainingRequest} is not exported from package ${request.descriptionFileRoot} (see exports field in ${request.descriptionFilePath})` - ) - ); - } - - forEachBail( - paths, - /** - * @param {string} p path - * @param {(err?: null|Error, result?: null|ResolveRequest) => void} callback callback - * @param {number} i index - * @returns {void} - */ - (p, callback, i) => { - const parsedIdentifier = parseIdentifier(p); - - if (!parsedIdentifier) return callback(); - - const [relativePath, query, fragment] = parsedIdentifier; - - if (relativePath.length === 0 || !relativePath.startsWith("./")) { - if (paths.length === i) { - return callback( - new Error( - `Invalid "exports" target "${p}" defined for "${usedField}" in the package config ${request.descriptionFilePath}, targets must start with "./"` - ) - ); - } - - return callback(); - } - - if ( - invalidSegmentRegEx.exec(relativePath.slice(2)) !== null && - deprecatedInvalidSegmentRegEx.test(relativePath.slice(2)) !== null - ) { - if (paths.length === i) { - return callback( - new Error( - `Invalid "exports" target "${p}" defined for "${usedField}" in the package config ${request.descriptionFilePath}, targets must start with "./"` - ) - ); - } - - return callback(); - } - - /** @type {ResolveRequest} */ - const obj = { - ...request, - request: undefined, - path: resolver.join( - /** @type {string} */ (request.descriptionFileRoot), - relativePath - ), - relativePath, - query, - fragment - }; - - resolver.doResolve( - target, - obj, - "using exports field: " + p, - resolveContext, - (err, result) => { - if (err) return callback(err); - // Don't allow to continue - https://github.com/webpack/enhanced-resolve/issues/400 - if (result === undefined) return callback(null, null); - callback(null, result); - } - ); - }, - /** - * @param {null|Error} [err] error - * @param {null|ResolveRequest} [result] result - * @returns {void} - */ - (err, result) => callback(err, result || null) - ); - }); - } -}; |