make harmony order stable

webpack · Jan 8, 2017 · 2f2aaa5 · 2f2aaa5
1 parent 42b95d9
commit 2f2aaa5
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Showing 11 changed files with 56 additions and 19 deletions.
diff --git a/lib/Parser.js b/lib/Parser.js
@@ -578,21 +578,21 @@ Parser.prototype.walkExportNamedDeclaration = function walkExportNamedDeclaratio
 				var pos = this.scope.definitions.length;
 				this.walkStatement(statement.declaration);
 				var newDefs = this.scope.definitions.slice(pos);
-				newDefs.reverse().forEach(function(def) {
-					this.applyPluginsBailResult("export specifier", statement, def, def);
+				newDefs.reverse().forEach(function(def, idx) {
+					this.applyPluginsBailResult("export specifier", statement, def, def, idx);
 				}, this);
 			}
 		}
 	}
 	if(statement.specifiers) {
-		statement.specifiers.forEach(function(specifier) {
+		statement.specifiers.forEach(function(specifier, idx) {
 			switch(specifier.type) {
 				case "ExportSpecifier":
 					var name = specifier.exported.name;
 					if(source)
-						this.applyPluginsBailResult("export import specifier", statement, source, specifier.local.name, name);
+						this.applyPluginsBailResult("export import specifier", statement, source, specifier.local.name, name, idx);
 					else
-						this.applyPluginsBailResult("export specifier", statement, specifier.local.name, name);
+						this.applyPluginsBailResult("export specifier", statement, specifier.local.name, name, idx);
 					break;
 			}
 		}, this);

diff --git a/lib/compareLocations.js b/lib/compareLocations.js
@@ -17,12 +17,14 @@ module.exports = function compareLocations(a, b) {
 		if(typeof b === "string") {
 			return -1;
 		} else if(typeof b === "object") {
-			if(a.start) a = a.start;
-			if(b.start) b = b.start;
-			if(a.line < b.line) return -1;
-			if(a.line > b.line) return 1;
-			if(a.column < b.column) return -1;
-			if(a.column > b.column) return 1;
+			let aa = a.start ? a.start : a;
+			let bb = b.start ? b.start : b;
+			if(aa.line < bb.line) return -1;
+			if(aa.line > bb.line) return 1;
+			if(aa.column < bb.column) return -1;
+			if(aa.column > bb.column) return 1;
+			if(aa.index < bb.index) return -1;
+			if(aa.index > bb.index) return 1;
 			if(a.index < b.index) return -1;
 			if(a.index > b.index) return 1;
 			return 0;

diff --git a/lib/dependencies/HarmonyExportDependencyParserPlugin.js b/lib/dependencies/HarmonyExportDependencyParserPlugin.js
@@ -15,7 +15,8 @@ const HarmonyModulesHelpers = require("./HarmonyModulesHelpers");
 function makeHarmonyModule(module, loc) {
 	if(!module.meta.harmonyModule) {
 		const dep = new HarmonyCompatiblilityDependency(module);
-		dep.loc = loc;
+		dep.loc = Object.create(loc);
+		dep.loc.index = -2;
 		module.addDependency(dep);
 		module.meta.harmonyModule = true;
 		module.strict = true;
@@ -27,27 +28,30 @@ module.exports = class HarmonyExportDependencyParserPlugin {
 		parser.plugin("export", statement => {
 			const dep = new HarmonyExportHeaderDependency(statement.declaration && statement.declaration.range, statement.range);
 			makeHarmonyModule(parser.state.module, statement.loc);
-			dep.loc = statement.loc;
+			dep.loc = Object.create(statement.loc);
+			dep.loc.index = -1;
 			parser.state.current.addDependency(dep);
 			return true;
 		});
 		parser.plugin("export import", (statement, source) => {
 			const dep = new HarmonyImportDependency(source, HarmonyModulesHelpers.getNewModuleVar(parser.state, source), statement.range);
 			makeHarmonyModule(parser.state.module, statement.loc);
-			dep.loc = statement.loc;
+			dep.loc = Object.create(statement.loc);
+			dep.loc.index = -1;
 			parser.state.current.addDependency(dep);
 			parser.state.lastHarmoryImport = dep;
 			return true;
 		});
 		parser.plugin("export expression", (statement, expr) => {
 			const dep = new HarmonyExportExpressionDependency(parser.state.module, expr.range, statement.range);
-			dep.loc = statement.loc;
+			dep.loc = Object.create(statement.loc);
+			dep.loc.index = -1;
 			parser.state.current.addDependency(dep);
 			parser.state.module.strict = true;
 			return true;
 		});
 		parser.plugin("export declaration", statement => {});
-		parser.plugin("export specifier", (statement, id, name) => {
+		parser.plugin("export specifier", (statement, id, name, idx) => {
 			const rename = parser.scope.renames[`$${id}`];
 			let dep;
 			if(rename === "imported var") {
@@ -58,13 +62,15 @@ module.exports = class HarmonyExportDependencyParserPlugin {
 				const hoisted = statement.declaration && isHoistedStatement(statement.declaration);
 				dep = new HarmonyExportSpecifierDependency(parser.state.module, id, name, !immutable || hoisted ? -0.5 : (statement.range[1] + 0.5), immutable);
 			}
-			dep.loc = statement.loc;
+			dep.loc = Object.create(statement.loc);
+			dep.loc.index = idx;
 			parser.state.current.addDependency(dep);
 			return true;
 		});
-		parser.plugin("export import specifier", (statement, source, id, name) => {
+		parser.plugin("export import specifier", (statement, source, id, name, idx) => {
 			const dep = new HarmonyExportImportedSpecifierDependency(parser.state.module, parser.state.lastHarmoryImport, HarmonyModulesHelpers.getModuleVar(parser.state, source), id, name);
-			dep.loc = statement.loc;
+			dep.loc = Object.create(statement.loc);
+			dep.loc.index = idx;
 			parser.state.current.addDependency(dep);
 			return true;
 		});

diff --git a/test/cases/parsing/issue-3769/a.js b/test/cases/parsing/issue-3769/a.js
@@ -0,0 +1 @@
+export const thing = 123;
diff --git a/test/cases/parsing/issue-3769/b.js b/test/cases/parsing/issue-3769/b.js
@@ -0,0 +1 @@
+export default 123;
diff --git a/test/cases/parsing/issue-3769/c.js b/test/cases/parsing/issue-3769/c.js
@@ -0,0 +1 @@
+export default 123;
diff --git a/test/cases/parsing/issue-3769/cjs.js b/test/cases/parsing/issue-3769/cjs.js
@@ -0,0 +1,2 @@
+exports.__esModule = true;
+exports.test = 123;
diff --git a/test/cases/parsing/issue-3769/d.js b/test/cases/parsing/issue-3769/d.js
@@ -0,0 +1 @@
+export default 123;
diff --git a/test/cases/parsing/issue-3769/imported.js b/test/cases/parsing/issue-3769/imported.js
@@ -0,0 +1 @@
+exports.test = "test";
diff --git a/test/cases/parsing/issue-3769/index.js b/test/cases/parsing/issue-3769/index.js
@@ -0,0 +1,3 @@
+it("should generate valid code", function() {
+	require("./module").myTest.should.be.eql("test");
+});
diff --git a/test/cases/parsing/issue-3769/module.js b/test/cases/parsing/issue-3769/module.js
@@ -0,0 +1,19 @@
+import { thing } from './a'
+
+import user_settings_main            from './c'
+import user_settings_change_password from './d'
+
+export { test as myTest } from "./imported";
+
+export { default as preload }        from './d?1'
+export { default as snackbar }       from './d?2'
+export { default as authentication } from './d?3'
+export { default as navigator }      from './d?4'
+export { default as locale }         from './d?5'
+export { default as example_users }  from './d?6'
+export { default as user_profile }   from './d?7'
+export { default as block_user }     from './d?8'
+export { default as log }            from './d?9'
+
+export const user_settings = (thing, user_settings_main, user_settings_change_password)
+