feat: add exports and exportedBindings to Module class

src/ExternalModule.ts

@@ -38,6 +38,8 @@ export default class ExternalModule {
 			get dynamicImporters() {
 				return dynamicImporters.sort();
 			},
+			exportedBindings: {},
+			exports: [],
 			hasDefaultExport: null,
 			get hasModuleSideEffects() {
 				warnDeprecation(

src/Module.ts

@@ -298,6 +298,8 @@ export default class Module {
 			get dynamicImporters() {
 				return dynamicImporters.sort();
 			},
+			exportedBindings: {},
+			exports: [],
 			get hasDefaultExport() {
 				// This information is only valid after parsing
 				if (!module.ast) {
@@ -923,6 +925,7 @@ export default class Module {
 				identifier: node.variable.getAssignedVariableName(),
 				localName: 'default'
 			});
+			this.addExportsInfoToModuleInfo('default');
 		} else if (node instanceof ExportAllDeclaration) {
 			const source = node.source.value;
 			this.addSource(source, node);
@@ -936,10 +939,12 @@ export default class Module {
 					source,
 					start: node.start
 				});
+				this.addExportsInfoToModuleInfo(name, source);
 			} else {
 				// export * from './other'
 
 				this.exportAllSources.add(source);
+				this.addExportsInfoToModuleInfo('*', source);
 			}
 		} else if (node.source instanceof Literal) {
 			// export { name } from './other'
@@ -954,6 +959,7 @@ export default class Module {
 					source,
 					start: specifier.start
 				});
+				this.addExportsInfoToModuleInfo(name, source);
 			}
 		} else if (node.declaration) {
 			const declaration = node.declaration;
@@ -964,13 +970,15 @@ export default class Module {
 				for (const declarator of declaration.declarations) {
 					for (const localName of extractAssignedNames(declarator.id)) {
 						this.exports.set(localName, { identifier: null, localName });
+						this.addExportsInfoToModuleInfo(localName);
 					}
 				}
 			} else {
 				// export function foo () {}
 
 				const localName = (declaration.id as Identifier).name;
 				this.exports.set(localName, { identifier: null, localName });
+				this.addExportsInfoToModuleInfo(localName);
 			}
 		} else {
 			// export { foo, bar, baz }
@@ -979,10 +987,18 @@ export default class Module {
 				const localName = specifier.local.name;
 				const exportedName = specifier.exported.name;
 				this.exports.set(exportedName, { identifier: null, localName });
+				this.addExportsInfoToModuleInfo(exportedName);
 			}
 		}
 	}
 
+	private addExportsInfoToModuleInfo(id: string, path = '.') {
+		const { exports, exportedBindings } = this.info;
+		exports.push(id);
+		exportedBindings[path] = exportedBindings[path] || [];
+		exportedBindings[path].push(id);
+	}
+
 	private addImport(node: ImportDeclaration): void {
 		const source = node.source.value;
 		this.addSource(source, node);

src/rollup/types.d.ts

@@ -157,6 +157,8 @@ interface ModuleInfo extends ModuleOptions {
 	dynamicImporters: readonly string[];
 	dynamicallyImportedIdResolutions: readonly ResolvedId[];
 	dynamicallyImportedIds: readonly string[];
+	exportedBindings: Record<string, string[]>;
+	exports: string[];
 	hasDefaultExport: boolean | null;
 	/** @deprecated Use `moduleSideEffects` instead */
 	hasModuleSideEffects: boolean | 'no-treeshake';

test/chunking-form/samples/implicit-dependencies/implicitly-dependent-emitted-entry/_config.js

@@ -75,6 +75,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],
@@ -148,6 +150,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],

test/chunking-form/samples/implicit-dependencies/implicitly-dependent-entry/_config.js

@@ -71,6 +71,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],
@@ -144,6 +146,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exports: [],
+					exportedBindings: {},
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],

test/chunking-form/samples/implicit-dependencies/multiple-dependencies/_config.js

@@ -119,6 +119,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],
@@ -243,6 +245,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],
@@ -366,6 +370,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [ID_MAIN1, ID_MAIN2],

test/chunking-form/samples/implicit-dependencies/single-dependency/_config.js

@@ -70,6 +70,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [],
@@ -143,6 +145,8 @@ module.exports = {
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: false,
 					moduleSideEffects: true,
 					implicitlyLoadedAfterOneOf: [ID_MAIN],

test/function/samples/deprecated/manual-chunks-info/_config.js

@@ -91,6 +91,8 @@ module.exports = {
 							],
 							dynamicallyImportedIds: ['external'],
 							dynamicImporters: [getId('main')],
+							exports: ['promise', 'internal'],
+							exportedBindings: { '.': ['promise'], './lib': ['internal'] },
 							hasDefaultExport: false,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -134,6 +136,8 @@ module.exports = {
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [],
+							exportedBindings: { '.': ['default'] },
+							exports: ['default'],
 							hasDefaultExport: true,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -242,6 +246,8 @@ module.exports = {
 							],
 							dynamicallyImportedIds: [getId('dynamic')],
 							dynamicImporters: [],
+							exportedBindings: { '.': ['promise'], './lib': ['value'], external: ['external'] },
+							exports: ['promise', 'value', 'external'],
 							hasDefaultExport: false,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -280,6 +286,8 @@ module.exports = {
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [getId('dynamic')],
+							exportedBindings: {},
+							exports: [],
 							hasDefaultExport: null,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],

test/function/samples/manual-chunks-info/_config.js

@@ -92,6 +92,8 @@ module.exports = {
 							],
 							dynamicallyImportedIds: ['external'],
 							dynamicImporters: [getId('main')],
+							exportedBindings: { '.': ['promise'], './lib': ['internal'] },
+							exports: ['promise', 'internal'],
 							hasDefaultExport: false,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -135,6 +137,8 @@ module.exports = {
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [],
+							exportedBindings: { '.': ['default'] },
+							exports: ['default'],
 							hasDefaultExport: true,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -243,6 +247,12 @@ module.exports = {
 							],
 							dynamicallyImportedIds: [getId('dynamic')],
 							dynamicImporters: [],
+							exportedBindings: {
+								'.': ['promise'],
+								'./lib': ['value'],
+								external: ['external']
+							},
+							exports: ['promise', 'value', 'external'],
 							hasDefaultExport: false,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -281,6 +291,8 @@ module.exports = {
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [getId('dynamic')],
+							exportedBindings: {},
+							exports: [],
 							hasDefaultExport: null,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],

test/function/samples/module-parsed-hook/_config.js

@@ -53,6 +53,8 @@ module.exports = {
 						dynamicallyImportedIdResolutions: [],
 						dynamicallyImportedIds: [],
 						dynamicImporters: [],
+						exportedBindings: { './dep.js': ['value'] },
+						exports: ['value'],
 						hasDefaultExport: false,
 						moduleSideEffects: true,
 						implicitlyLoadedAfterOneOf: [],
@@ -112,6 +114,8 @@ module.exports = {
 						dynamicallyImportedIdResolutions: [],
 						dynamicallyImportedIds: [],
 						dynamicImporters: [],
+						exportedBindings: { '.': ['value'] },
+						exports: ['value'],
 						hasDefaultExport: false,
 						moduleSideEffects: true,
 						implicitlyLoadedAfterOneOf: [],

test/function/samples/plugin-module-information/_config.js

@@ -20,6 +20,8 @@ module.exports = {
 					ast: null,
 					code: null,
 					dynamicImporters: [],
+					exportedBindings: {},
+					exports: [],
 					hasDefaultExport: null,
 					dynamicallyImportedIdResolutions: [],
 					dynamicallyImportedIds: [],
@@ -113,6 +115,8 @@ module.exports = {
 							},
 							code: "import path from 'path';\n\nexport const foo = path.resolve('foo');\n",
 							dynamicallyImportedIdResolutions: [],
+							exportedBindings: { '.': ['foo'] },
+							exports: ['foo'],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [],
 							hasDefaultExport: false,
@@ -284,6 +288,11 @@ module.exports = {
 							],
 							dynamicallyImportedIds: [ID_NESTED, ID_PATH],
 							dynamicImporters: [],
+							exportedBindings: {
+								'.': ['nested', 'path', 'pathAgain'],
+								'./foo.js': ['foo']
+							},
+							exports: ['foo', 'nested', 'path', 'pathAgain'],
 							hasDefaultExport: false,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -377,6 +386,8 @@ module.exports = {
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [ID_MAIN],
+							exports: ['nested'],
+							exportedBindings: { '.': ['nested'] },
 							hasDefaultExport: false,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],
@@ -407,6 +418,8 @@ module.exports = {
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
 							dynamicImporters: [ID_MAIN],
+							exportedBindings: {},
+							exports: [],
 							hasDefaultExport: null,
 							moduleSideEffects: true,
 							implicitlyLoadedAfterOneOf: [],

test/function/samples/preload-module/_config.js

@@ -35,6 +35,8 @@ module.exports = {
 							assertions: {},
 							code: "import './dep';\nassert.ok(true);\n",
 							dynamicImporters: [],
+							exportedBindings: {},
+							exports: [],
 							hasDefaultExport: false,
 							dynamicallyImportedIdResolutions: [],
 							dynamicallyImportedIds: [],
@@ -74,6 +76,8 @@ module.exports = {
 						assertions: {},
 						code: 'assert.ok(true);\n',
 						dynamicImporters: [],
+						exportedBindings: {},
+						exports: [],
 						hasDefaultExport: false,
 						dynamicallyImportedIdResolutions: [],
 						dynamicallyImportedIds: [],