OwlCyberSecurity - MANAGER

Edit File: HarmonyImportDependencyParserPlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const HotModuleReplacementPlugin = require("../HotModuleReplacementPlugin");
const { getImportAttributes } = require("../javascript/JavascriptParser");
const InnerGraph = require("../optimize/InnerGraph");
const ConstDependency = require("./ConstDependency");
const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
const HarmonyEvaluatedImportSpecifierDependency = require("./HarmonyEvaluatedImportSpecifierDependency");
const HarmonyExports = require("./HarmonyExports");
const { ExportPresenceModes } = require("./HarmonyImportDependency");
const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");

/** @typedef {import("estree").Expression} Expression */
/** @typedef {import("estree").Identifier} Identifier */
/** @typedef {import("estree").Literal} Literal */
/** @typedef {import("estree").MemberExpression} MemberExpression */
/** @typedef {import("estree").ObjectExpression} ObjectExpression */
/** @typedef {import("estree").Property} Property */
/** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
/** @typedef {import("../javascript/BasicEvaluatedExpression")} BasicEvaluatedExpression */
/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
/** @typedef {import("../javascript/JavascriptParser").DestructuringAssignmentProperty} DestructuringAssignmentProperty */
/** @typedef {import("../javascript/JavascriptParser").ExportAllDeclaration} ExportAllDeclaration */
/** @typedef {import("../javascript/JavascriptParser").ExportNamedDeclaration} ExportNamedDeclaration */
/** @typedef {import("../javascript/JavascriptParser").ImportAttributes} ImportAttributes */
/** @typedef {import("../javascript/JavascriptParser").ImportDeclaration} ImportDeclaration */
/** @typedef {import("../javascript/JavascriptParser").ImportExpression} ImportExpression */
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../javascript/JavascriptParser").TagData} TagData */
/** @typedef {import("../optimize/InnerGraph").InnerGraph} InnerGraph */
/** @typedef {import("../optimize/InnerGraph").TopLevelSymbol} TopLevelSymbol */
/** @typedef {import("./HarmonyImportDependency")} HarmonyImportDependency */

const harmonySpecifierTag = Symbol("harmony import");

/**
 * @typedef {object} HarmonySettings
 * @property {string[]} ids
 * @property {string} source
 * @property {number} sourceOrder
 * @property {string} name
 * @property {boolean} await
 * @property {ImportAttributes=} attributes
 */

module.exports = class HarmonyImportDependencyParserPlugin {
	/**
	 * @param {JavascriptParserOptions} options options
	 */
	constructor(options) {
		this.exportPresenceMode =
			options.importExportsPresence !== undefined
				? ExportPresenceModes.fromUserOption(options.importExportsPresence)
				: options.exportsPresence !== undefined
					? ExportPresenceModes.fromUserOption(options.exportsPresence)
					: options.strictExportPresence
						? ExportPresenceModes.ERROR
						: ExportPresenceModes.AUTO;
		this.strictThisContextOnImports = options.strictThisContextOnImports;
	}

/**
	 * @param {JavascriptParser} parser the parser
	 * @returns {void}
	 */
	apply(parser) {
		const { exportPresenceMode } = this;

/**
		 * @param {string[]} members members
		 * @param {boolean[]} membersOptionals members Optionals
		 * @returns {string[]} a non optional part
		 */
		function getNonOptionalPart(members, membersOptionals) {
			let i = 0;
			while (i < members.length && membersOptionals[i] === false) i++;
			return i !== members.length ? members.slice(0, i) : members;
		}

/**
		 * @param {TODO} node member expression
		 * @param {number} count count
		 * @returns {Expression} member expression
		 */
		function getNonOptionalMemberChain(node, count) {
			while (count--) node = node.object;
			return node;
		}

parser.hooks.isPure
			.for("Identifier")
			.tap("HarmonyImportDependencyParserPlugin", expression => {
				const expr = /** @type {Identifier} */ (expression);
				if (
					parser.isVariableDefined(expr.name) ||
					parser.getTagData(expr.name, harmonySpecifierTag)
				) {
					return true;
				}
			});
		parser.hooks.import.tap(
			"HarmonyImportDependencyParserPlugin",
			(statement, source) => {
				parser.state.lastHarmonyImportOrder =
					(parser.state.lastHarmonyImportOrder || 0) + 1;
				const clearDep = new ConstDependency(
					parser.isAsiPosition(/** @type {Range} */ (statement.range)[0])
						? ";"
						: "",
					/** @type {Range} */ (statement.range)
				);
				clearDep.loc = /** @type {DependencyLocation} */ (statement.loc);
				parser.state.module.addPresentationalDependency(clearDep);
				parser.unsetAsiPosition(/** @type {Range} */ (statement.range)[1]);
				const attributes = getImportAttributes(statement);
				const sideEffectDep = new HarmonyImportSideEffectDependency(
					/** @type {string} */ (source),
					parser.state.lastHarmonyImportOrder,
					attributes
				);
				sideEffectDep.loc = /** @type {DependencyLocation} */ (statement.loc);
				parser.state.module.addDependency(sideEffectDep);
				return true;
			}
		);
		parser.hooks.importSpecifier.tap(
			"HarmonyImportDependencyParserPlugin",
			(statement, source, id, name) => {
				const ids = id === null ? [] : [id];
				parser.tagVariable(name, harmonySpecifierTag, {
					name,
					source,
					ids,
					sourceOrder: parser.state.lastHarmonyImportOrder,
					attributes: getImportAttributes(statement)
				});
				return true;
			}
		);
		parser.hooks.binaryExpression.tap(
			"HarmonyImportDependencyParserPlugin",
			expression => {
				if (expression.operator !== "in") return;

const leftPartEvaluated = parser.evaluateExpression(expression.left);
				if (leftPartEvaluated.couldHaveSideEffects()) return;
				const leftPart = leftPartEvaluated.asString();
				if (!leftPart) return;

const rightPart = parser.evaluateExpression(expression.right);
				if (!rightPart.isIdentifier()) return;

module.exports.harmonySpecifierTag = harmonySpecifierTag;