From e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d Mon Sep 17 00:00:00 2001 From: Piotr Russ Date: Mon, 16 Nov 2020 00:10:28 +0100 Subject: api, login, auth --- node_modules/webpack/lib/DefinePlugin.js | 289 +++++++++++++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100644 node_modules/webpack/lib/DefinePlugin.js (limited to 'node_modules/webpack/lib/DefinePlugin.js') diff --git a/node_modules/webpack/lib/DefinePlugin.js b/node_modules/webpack/lib/DefinePlugin.js new file mode 100644 index 0000000..ceb4c84 --- /dev/null +++ b/node_modules/webpack/lib/DefinePlugin.js @@ -0,0 +1,289 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; + +const ConstDependency = require("./dependencies/ConstDependency"); +const BasicEvaluatedExpression = require("./BasicEvaluatedExpression"); +const ParserHelpers = require("./ParserHelpers"); +const NullFactory = require("./NullFactory"); + +/** @typedef {import("./Compiler")} Compiler */ +/** @typedef {import("./Parser")} Parser */ +/** @typedef {null|undefined|RegExp|Function|string|number} CodeValuePrimitive */ +/** @typedef {CodeValuePrimitive|Record|RuntimeValue} CodeValue */ + +class RuntimeValue { + constructor(fn, fileDependencies) { + this.fn = fn; + this.fileDependencies = fileDependencies || []; + } + + exec(parser) { + if (this.fileDependencies === true) { + parser.state.module.buildInfo.cacheable = false; + } else { + for (const fileDependency of this.fileDependencies) { + parser.state.module.buildInfo.fileDependencies.add(fileDependency); + } + } + + return this.fn({ module: parser.state.module }); + } +} + +const stringifyObj = (obj, parser) => { + return ( + "Object({" + + Object.keys(obj) + .map(key => { + const code = obj[key]; + return JSON.stringify(key) + ":" + toCode(code, parser); + }) + .join(",") + + "})" + ); +}; + +/** + * Convert code to a string that evaluates + * @param {CodeValue} code Code to evaluate + * @param {Parser} parser Parser + * @returns {string} code converted to string that evaluates + */ +const toCode = (code, parser) => { + if (code === null) { + return "null"; + } + if (code === undefined) { + return "undefined"; + } + if (code instanceof RuntimeValue) { + return toCode(code.exec(parser), parser); + } + if (code instanceof RegExp && code.toString) { + return code.toString(); + } + if (typeof code === "function" && code.toString) { + return "(" + code.toString() + ")"; + } + if (typeof code === "object") { + return stringifyObj(code, parser); + } + return code + ""; +}; + +class DefinePlugin { + /** + * Create a new define plugin + * @param {Record} definitions A map of global object definitions + */ + constructor(definitions) { + this.definitions = definitions; + } + + static runtimeValue(fn, fileDependencies) { + return new RuntimeValue(fn, fileDependencies); + } + + /** + * Apply the plugin + * @param {Compiler} compiler Webpack compiler + * @returns {void} + */ + apply(compiler) { + const definitions = this.definitions; + compiler.hooks.compilation.tap( + "DefinePlugin", + (compilation, { normalModuleFactory }) => { + compilation.dependencyFactories.set(ConstDependency, new NullFactory()); + compilation.dependencyTemplates.set( + ConstDependency, + new ConstDependency.Template() + ); + + /** + * Handler + * @param {Parser} parser Parser + * @returns {void} + */ + const handler = parser => { + /** + * Walk definitions + * @param {Object} definitions Definitions map + * @param {string} prefix Prefix string + * @returns {void} + */ + const walkDefinitions = (definitions, prefix) => { + Object.keys(definitions).forEach(key => { + const code = definitions[key]; + if ( + code && + typeof code === "object" && + !(code instanceof RuntimeValue) && + !(code instanceof RegExp) + ) { + walkDefinitions(code, prefix + key + "."); + applyObjectDefine(prefix + key, code); + return; + } + applyDefineKey(prefix, key); + applyDefine(prefix + key, code); + }); + }; + + /** + * Apply define key + * @param {string} prefix Prefix + * @param {string} key Key + * @returns {void} + */ + const applyDefineKey = (prefix, key) => { + const splittedKey = key.split("."); + splittedKey.slice(1).forEach((_, i) => { + const fullKey = prefix + splittedKey.slice(0, i + 1).join("."); + parser.hooks.canRename + .for(fullKey) + .tap("DefinePlugin", ParserHelpers.approve); + }); + }; + + /** + * Apply Code + * @param {string} key Key + * @param {CodeValue} code Code + * @returns {void} + */ + const applyDefine = (key, code) => { + const isTypeof = /^typeof\s+/.test(key); + if (isTypeof) key = key.replace(/^typeof\s+/, ""); + let recurse = false; + let recurseTypeof = false; + if (!isTypeof) { + parser.hooks.canRename + .for(key) + .tap("DefinePlugin", ParserHelpers.approve); + parser.hooks.evaluateIdentifier + .for(key) + .tap("DefinePlugin", expr => { + /** + * this is needed in case there is a recursion in the DefinePlugin + * to prevent an endless recursion + * e.g.: new DefinePlugin({ + * "a": "b", + * "b": "a" + * }); + */ + if (recurse) return; + recurse = true; + const res = parser.evaluate(toCode(code, parser)); + recurse = false; + res.setRange(expr.range); + return res; + }); + parser.hooks.expression.for(key).tap("DefinePlugin", expr => { + const strCode = toCode(code, parser); + if (/__webpack_require__/.test(strCode)) { + return ParserHelpers.toConstantDependencyWithWebpackRequire( + parser, + strCode + )(expr); + } else { + return ParserHelpers.toConstantDependency( + parser, + strCode + )(expr); + } + }); + } + parser.hooks.evaluateTypeof.for(key).tap("DefinePlugin", expr => { + /** + * this is needed in case there is a recursion in the DefinePlugin + * to prevent an endless recursion + * e.g.: new DefinePlugin({ + * "typeof a": "typeof b", + * "typeof b": "typeof a" + * }); + */ + if (recurseTypeof) return; + recurseTypeof = true; + const typeofCode = isTypeof + ? toCode(code, parser) + : "typeof (" + toCode(code, parser) + ")"; + const res = parser.evaluate(typeofCode); + recurseTypeof = false; + res.setRange(expr.range); + return res; + }); + parser.hooks.typeof.for(key).tap("DefinePlugin", expr => { + const typeofCode = isTypeof + ? toCode(code, parser) + : "typeof (" + toCode(code, parser) + ")"; + const res = parser.evaluate(typeofCode); + if (!res.isString()) return; + return ParserHelpers.toConstantDependency( + parser, + JSON.stringify(res.string) + ).bind(parser)(expr); + }); + }; + + /** + * Apply Object + * @param {string} key Key + * @param {Object} obj Object + * @returns {void} + */ + const applyObjectDefine = (key, obj) => { + parser.hooks.canRename + .for(key) + .tap("DefinePlugin", ParserHelpers.approve); + parser.hooks.evaluateIdentifier + .for(key) + .tap("DefinePlugin", expr => + new BasicEvaluatedExpression().setTruthy().setRange(expr.range) + ); + parser.hooks.evaluateTypeof.for(key).tap("DefinePlugin", expr => { + return ParserHelpers.evaluateToString("object")(expr); + }); + parser.hooks.expression.for(key).tap("DefinePlugin", expr => { + const strCode = stringifyObj(obj, parser); + + if (/__webpack_require__/.test(strCode)) { + return ParserHelpers.toConstantDependencyWithWebpackRequire( + parser, + strCode + )(expr); + } else { + return ParserHelpers.toConstantDependency( + parser, + strCode + )(expr); + } + }); + parser.hooks.typeof.for(key).tap("DefinePlugin", expr => { + return ParserHelpers.toConstantDependency( + parser, + JSON.stringify("object") + )(expr); + }); + }; + + walkDefinitions(definitions, ""); + }; + + normalModuleFactory.hooks.parser + .for("javascript/auto") + .tap("DefinePlugin", handler); + normalModuleFactory.hooks.parser + .for("javascript/dynamic") + .tap("DefinePlugin", handler); + normalModuleFactory.hooks.parser + .for("javascript/esm") + .tap("DefinePlugin", handler); + } + ); + } +} +module.exports = DefinePlugin; -- cgit v1.2.3