WIP - add extractor, generate snippet_data

node_modules/webpack/lib/dependencies/HarmonyExportDependencyParserPlugin.js

@@ -0,0 +1,154 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
+const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
+const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
+const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
+const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
+const ConstDependency = require("./ConstDependency");
+
+module.exports = class HarmonyExportDependencyParserPlugin {
+	constructor(moduleOptions) {
+		this.strictExportPresence = moduleOptions.strictExportPresence;
+	}
+
+	apply(parser) {
+		parser.hooks.export.tap(
+			"HarmonyExportDependencyParserPlugin",
+			statement => {
+				const dep = new HarmonyExportHeaderDependency(
+					statement.declaration && statement.declaration.range,
+					statement.range
+				);
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = -1;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportImport.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, source) => {
+				parser.state.lastHarmonyImportOrder =
+					(parser.state.lastHarmonyImportOrder || 0) + 1;
+				const clearDep = new ConstDependency("", statement.range);
+				clearDep.loc = Object.create(statement.loc);
+				clearDep.loc.index = -1;
+				parser.state.current.addDependency(clearDep);
+				const sideEffectDep = new HarmonyImportSideEffectDependency(
+					source,
+					parser.state.module,
+					parser.state.lastHarmonyImportOrder,
+					parser.state.harmonyParserScope
+				);
+				sideEffectDep.loc = Object.create(statement.loc);
+				sideEffectDep.loc.index = -1;
+				parser.state.current.addDependency(sideEffectDep);
+				return true;
+			}
+		);
+		parser.hooks.exportExpression.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, expr) => {
+				const comments = parser.getComments([
+					statement.range[0],
+					expr.range[0]
+				]);
+				const dep = new HarmonyExportExpressionDependency(
+					parser.state.module,
+					expr.range,
+					statement.range,
+					comments
+						.map(c => {
+							switch (c.type) {
+								case "Block":
+									return `/*${c.value}*/`;
+								case "Line":
+									return `//${c.value}\n`;
+							}
+							return "";
+						})
+						.join("")
+				);
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = -1;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+		parser.hooks.exportDeclaration.tap(
+			"HarmonyExportDependencyParserPlugin",
+			statement => {}
+		);
+		parser.hooks.exportSpecifier.tap(
+			"HarmonyExportDependencyParserPlugin",
+			(statement, id, name, idx) => {
+				const rename = parser.scope.renames.get(id);
+				let dep;
+				const harmonyNamedExports = (parser.state.harmonyNamedExports =
+					parser.state.harmonyNamedExports || new Set());
+				harmonyNamedExports.add(name);
+				if (rename === "imported var") {
+					const settings = parser.state.harmonySpecifier.get(id);
+					dep = new HarmonyExportImportedSpecifierDependency(
+						settings.source,
+						parser.state.module,
+						settings.sourceOrder,
+						parser.state.harmonyParserScope,
+						settings.id,
+						name,
+						harmonyNamedExports,
+						null,
+						this.strictExportPresence
+					);
+				} else {
+					dep = new HarmonyExportSpecifierDependency(
+						parser.state.module,
+						id,
+						name
+					);
+				}
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = idx;
+				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 || [];
+				}
+				const dep = new HarmonyExportImportedSpecifierDependency(
+					source,
+					parser.state.module,
+					parser.state.lastHarmonyImportOrder,
+					parser.state.harmonyParserScope,
+					id,
+					name,
+					harmonyNamedExports,
+					harmonyStarExports && harmonyStarExports.slice(),
+					this.strictExportPresence
+				);
+				if (harmonyStarExports) {
+					harmonyStarExports.push(dep);
+				}
+				dep.loc = Object.create(statement.loc);
+				dep.loc.index = idx;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		);
+	}
+};