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app_vue/node_modules/webpack/lib/dependencies/HarmonyExportDependencyParserPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { getImportAttributes } = require("../javascript/JavascriptParser");
+const InnerGraph = require("../optimize/InnerGraph");
+const ConstDependency = require("./ConstDependency");
+const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
+const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
+const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
+const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
+const { ExportPresenceModes } = require("./HarmonyImportDependency");
+const {
+	harmonySpecifierTag
+} = require("./HarmonyImportDependencyParserPlugin");
+const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
+
+/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
+/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
+/** @typedef {import("../javascript/JavascriptParser").ClassDeclaration} ClassDeclaration */
+/** @typedef {import("../javascript/JavascriptParser").FunctionDeclaration} FunctionDeclaration */
+/** @typedef {import("../javascript/JavascriptParser").Range} Range */
+
+const { HarmonyStarExportsList } = HarmonyExportImportedSpecifierDependency;
+
+module.exports = class HarmonyExportDependencyParserPlugin {
+	/**
+	 * @param {import("../../declarations/WebpackOptions").JavascriptParserOptions} options options
+	 */
+	constructor(options) {
+		this.exportPresenceMode =
+			options.reexportExportsPresence !== undefined
+				? ExportPresenceModes.fromUserOption(options.reexportExportsPresence)
+				: options.exportsPresence !== undefined
+					? ExportPresenceModes.fromUserOption(options.exportsPresence)
+					: options.strictExportPresence
+						? ExportPresenceModes.ERROR
+						: ExportPresenceModes.AUTO;
+	}
+
+	/**
+	 * @param {JavascriptParser} parser the parser
+	 * @returns {void}
+	 */
+	apply(parser) {
+		const { exportPresenceMode } = this;
+		parser.hooks.export.tap(
+			"HarmonyExportDependencyParserPlugin",
+			statement => {
+				const dep = new HarmonyExportHeaderDependency(
+					/** @type {Range | false} */ (
+						statement.declaration && statement.declaration.range
+					),
+					/** @type {Range} */ (statement.range)
+				);
+				dep.loc = Object.create(
+					/** @type {DependencyLocation} */ (statement.loc)
+				);
+				dep.loc.index = -1;
+				parser.state.module.addPresentationalDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportImport.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, source) => {
+				parser.state.lastHarmonyImportOrder =
+					(parser.state.lastHarmonyImportOrder || 0) + 1;
+				const clearDep = new ConstDependency(
+					"",
+					/** @type {Range} */ (statement.range)
+				);
+				clearDep.loc = /** @type {DependencyLocation} */ (statement.loc);
+				clearDep.loc.index = -1;
+				parser.state.module.addPresentationalDependency(clearDep);
+				const sideEffectDep = new HarmonyImportSideEffectDependency(
+					/** @type {string} */ (source),
+					parser.state.lastHarmonyImportOrder,
+					getImportAttributes(statement)
+				);
+				sideEffectDep.loc = Object.create(
+					/** @type {DependencyLocation} */ (statement.loc)
+				);
+				sideEffectDep.loc.index = -1;
+				parser.state.current.addDependency(sideEffectDep);
+				return true;
+			}
+		);
+		parser.hooks.exportExpression.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, node) => {
+				const isFunctionDeclaration = node.type === "FunctionDeclaration";
+				const exprRange = /** @type {Range} */ (node.range);
+				const statementRange = /** @type {Range} */ (statement.range);
+				const comments = parser.getComments([statementRange[0], exprRange[0]]);
+				const dep = new HarmonyExportExpressionDependency(
+					exprRange,
+					statementRange,
+					comments
+						.map(c => {
+							switch (c.type) {
+								case "Block":
+									return `/*${c.value}*/`;
+								case "Line":
+									return `//${c.value}\n`;
+							}
+							return "";
+						})
+						.join(""),
+					node.type.endsWith("Declaration") &&
+					/** @type {FunctionDeclaration | ClassDeclaration} */ (node).id
+						? /** @type {FunctionDeclaration | ClassDeclaration} */
+							(node).id.name
+						: isFunctionDeclaration
+							? {
+									range: [
+										exprRange[0],
+										node.params.length > 0
+											? /** @type {Range} */ (node.params[0].range)[0]
+											: /** @type {Range} */ (node.body.range)[0]
+									],
+									prefix: `${node.async ? "async " : ""}function${
+										node.generator ? "*" : ""
+									} `,
+									suffix: `(${node.params.length > 0 ? "" : ") "}`
+								}
+							: undefined
+				);
+				dep.loc = Object.create(
+					/** @type {DependencyLocation} */ (statement.loc)
+				);
+				dep.loc.index = -1;
+				parser.state.current.addDependency(dep);
+				InnerGraph.addVariableUsage(
+					parser,
+					node.type.endsWith("Declaration") &&
+						/** @type {FunctionDeclaration | ClassDeclaration} */ (node).id
+						? /** @type {FunctionDeclaration | ClassDeclaration} */ (node).id
+								.name
+						: "*default*",
+					"default"
+				);
+				return true;
+			}
+		);
+		parser.hooks.exportSpecifier.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, id, name, idx) => {
+				const settings = parser.getTagData(id, harmonySpecifierTag);
+				const harmonyNamedExports = (parser.state.harmonyNamedExports =
+					parser.state.harmonyNamedExports || new Set());
+				harmonyNamedExports.add(name);
+				InnerGraph.addVariableUsage(parser, id, name);
+				const dep = settings
+					? new HarmonyExportImportedSpecifierDependency(
+							settings.source,
+							settings.sourceOrder,
+							settings.ids,
+							name,
+							harmonyNamedExports,
+							null,
+							exportPresenceMode,
+							null,
+							settings.attributes
+						)
+					: new HarmonyExportSpecifierDependency(id, name);
+				dep.loc = Object.create(
+					/** @type {DependencyLocation} */ (statement.loc)
+				);
+				dep.loc.index = idx;
+				const isAsiSafe = !parser.isAsiPosition(
+					/** @type {Range} */
+					(statement.range)[0]
+				);
+				if (!isAsiSafe) {
+					parser.setAsiPosition(/** @type {Range} */ (statement.range)[1]);
+				}
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportImportSpecifier.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, source, id, name, idx) => {
+				const harmonyNamedExports = (parser.state.harmonyNamedExports =
+					parser.state.harmonyNamedExports || new Set());
+				let harmonyStarExports = null;
+				if (name) {
+					harmonyNamedExports.add(name);
+				} else {
+					harmonyStarExports = parser.state.harmonyStarExports =
+						parser.state.harmonyStarExports || new HarmonyStarExportsList();
+				}
+				const attributes = getImportAttributes(statement);
+				const dep = new HarmonyExportImportedSpecifierDependency(
+					/** @type {string} */ (source),
+					parser.state.lastHarmonyImportOrder,
+					id ? [id] : [],
+					name,
+					harmonyNamedExports,
+					harmonyStarExports && harmonyStarExports.slice(),
+					exportPresenceMode,
+					harmonyStarExports,
+					attributes
+				);
+				if (harmonyStarExports) {
+					harmonyStarExports.push(dep);
+				}
+				dep.loc = Object.create(
+					/** @type {DependencyLocation} */ (statement.loc)
+				);
+				dep.loc.index = idx;
+				const isAsiSafe = !parser.isAsiPosition(
+					/** @type {Range} */
+					(statement.range)[0]
+				);
+				if (!isAsiSafe) {
+					parser.setAsiPosition(/** @type {Range} */ (statement.range)[1]);
+				}
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+	}
+};