536 lines
17 KiB
TypeScript
536 lines
17 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as path from 'path';
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import * as ts from 'typescript';
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import {CompilerHostAdapter, MetadataBundler, MetadataBundlerHost} from '../../src/metadata/bundler';
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import {MetadataCollector} from '../../src/metadata/collector';
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import {ClassMetadata, MetadataGlobalReferenceExpression, ModuleMetadata} from '../../src/metadata/schema';
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import {Directory, MockAotContext, MockCompilerHost} from '../mocks';
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describe('compiler host adapter', () => {
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it('should retrieve metadata for an explicit index relative path reference', () => {
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const context = new MockAotContext('.', SIMPLE_LIBRARY);
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const host = new MockCompilerHost(context);
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const options: ts.CompilerOptions = {
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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const adapter = new CompilerHostAdapter(host, null, options);
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const metadata = adapter.getMetadataFor('./lib/src/two/index', '.');
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expect(metadata).toBeDefined();
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expect(Object.keys(metadata !.metadata).sort()).toEqual([
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'PrivateTwo',
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'TWO_CLASSES',
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'Two',
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'TwoMore',
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]);
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});
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it('should retrieve metadata for an implied index relative path reference', () => {
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const context = new MockAotContext('.', SIMPLE_LIBRARY_WITH_IMPLIED_INDEX);
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const host = new MockCompilerHost(context);
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const options: ts.CompilerOptions = {
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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const adapter = new CompilerHostAdapter(host, null, options);
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const metadata = adapter.getMetadataFor('./lib/src/two', '.');
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expect(metadata).toBeDefined();
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expect(Object.keys(metadata !.metadata).sort()).toEqual([
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'PrivateTwo',
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'TWO_CLASSES',
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'Two',
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'TwoMore',
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]);
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});
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it('should fail to retrieve metadata for an implied index with classic module resolution', () => {
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const context = new MockAotContext('.', SIMPLE_LIBRARY_WITH_IMPLIED_INDEX);
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const host = new MockCompilerHost(context);
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const options: ts.CompilerOptions = {
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moduleResolution: ts.ModuleResolutionKind.Classic,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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const adapter = new CompilerHostAdapter(host, null, options);
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const metadata = adapter.getMetadataFor('./lib/src/two', '.');
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expect(metadata).toBeUndefined();
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});
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it('should retrieve exports for an explicit index relative path reference', () => {
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const context = new MockAotContext('.', SIMPLE_LIBRARY);
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const host = new MockCompilerHost(context);
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const options: ts.CompilerOptions = {
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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const adapter = new CompilerHostAdapter(host, null, options);
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const metadata = adapter.getMetadataFor('./lib/src/index', '.');
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expect(metadata).toBeDefined();
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expect(metadata !.exports !.map(e => e.export !)
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.reduce((prev, next) => prev.concat(next), [])
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.sort())
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.toEqual([
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'ONE_CLASSES',
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'One',
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'OneMore',
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'TWO_CLASSES',
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'Two',
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'TwoMore',
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]);
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});
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it('should look for .ts file when resolving metadata via a package.json "main" entry', () => {
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const files = {
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'lib': {
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'one.ts': `
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class One {}
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class OneMore extends One {}
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class PrivateOne {}
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const ONE_CLASSES = [One, OneMore, PrivateOne];
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export {One, OneMore, PrivateOne, ONE_CLASSES};
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`,
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'one.js': `
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// This will throw an error if the metadata collector tries to load one.js
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`,
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'package.json': `
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{
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"main": "one"
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}
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`
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}
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};
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const context = new MockAotContext('.', files);
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const host = new MockCompilerHost(context);
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const options: ts.CompilerOptions = {
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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const adapter = new CompilerHostAdapter(host, null, options);
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const metadata = adapter.getMetadataFor('./lib', '.');
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expect(metadata).toBeDefined();
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expect(Object.keys(metadata !.metadata).sort()).toEqual([
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'ONE_CLASSES',
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'One',
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'OneMore',
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'PrivateOne',
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]);
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expect(Array.isArray(metadata !.metadata !['ONE_CLASSES'])).toBeTruthy();
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});
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it('should look for non-declaration file when resolving metadata via a package.json "types" entry',
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() => {
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const files = {
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'lib': {
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'one.ts': `
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class One {}
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class OneMore extends One {}
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class PrivateOne {}
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const ONE_CLASSES = [One, OneMore, PrivateOne];
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export {One, OneMore, PrivateOne, ONE_CLASSES};
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`,
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'one.d.ts': `
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declare class One {
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}
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declare class OneMore extends One {
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}
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declare class PrivateOne {
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}
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declare const ONE_CLASSES: (typeof One)[];
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export { One, OneMore, PrivateOne, ONE_CLASSES };
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`,
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'one.js': `
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// This will throw an error if the metadata collector tries to load one.js
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`,
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'package.json': `
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{
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"main": "one",
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"types": "one.d.ts"
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}
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`
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}
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};
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const context = new MockAotContext('.', files);
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const host = new MockCompilerHost(context);
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const options: ts.CompilerOptions = {
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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const adapter = new CompilerHostAdapter(host, null, options);
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const metadata = adapter.getMetadataFor('./lib', '.');
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expect(metadata).toBeDefined();
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expect(Object.keys(metadata !.metadata).sort()).toEqual([
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'ONE_CLASSES',
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'One',
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'OneMore',
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'PrivateOne',
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]);
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expect(Array.isArray(metadata !.metadata !['ONE_CLASSES'])).toBeTruthy();
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});
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});
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describe('metadata bundler', () => {
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it('should be able to bundle a simple library', () => {
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const host = new MockStringBundlerHost('/', SIMPLE_LIBRARY);
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const bundler = new MetadataBundler('/lib/index', undefined, host, 'prfx_');
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const result = bundler.getMetadataBundle();
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expect(Object.keys(result.metadata.metadata).sort()).toEqual([
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'ONE_CLASSES', 'One', 'OneMore', 'TWO_CLASSES', 'Two', 'TwoMore', 'ɵprfx_a', 'ɵprfx_b'
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]);
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const originalOne = './src/one';
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const originalTwo = './src/two/index';
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expect(Object.keys(result.metadata.origins !)
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.sort()
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.map(name => ({name, value: result.metadata.origins ![name]})))
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.toEqual([
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{name: 'ONE_CLASSES', value: originalOne}, {name: 'One', value: originalOne},
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{name: 'OneMore', value: originalOne}, {name: 'TWO_CLASSES', value: originalTwo},
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{name: 'Two', value: originalTwo}, {name: 'TwoMore', value: originalTwo},
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{name: 'ɵprfx_a', value: originalOne}, {name: 'ɵprfx_b', value: originalTwo}
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]);
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expect(result.privates).toEqual([
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{privateName: 'ɵprfx_a', name: 'PrivateOne', module: originalOne},
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{privateName: 'ɵprfx_b', name: 'PrivateTwo', module: originalTwo}
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]);
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});
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it('should rewrite call expression references for static class members', () => {
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const host = new MockStringBundlerHost('/', {
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'lib': {
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'index.ts': `export * from './deep/index';`,
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'shared.ts': `
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export function sharedFn() {
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return {foo: true};
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}`,
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'deep': {
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'index.ts': `
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import {sharedFn} from '../shared';
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export class MyClass {
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static ngInjectableDef = sharedFn();
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}
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`,
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}
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}
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});
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const bundler = new MetadataBundler('/lib/index', undefined, host);
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const bundledMetadata = bundler.getMetadataBundle().metadata;
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const deepIndexMetadata = host.getMetadataFor('/lib/deep/index') !;
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// The unbundled metadata should reference symbols using the relative module path.
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expect(deepIndexMetadata.metadata['MyClass']).toEqual(jasmine.objectContaining({
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statics: {
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ngInjectableDef: {
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__symbolic: 'call',
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expression: {
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__symbolic: 'reference',
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name: 'sharedFn',
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module: '../shared',
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}
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}
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}
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}));
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// For the bundled metadata, the "sharedFn" symbol should not be referenced using the
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// relative module path (like for unbundled), because the metadata bundle can be stored
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// anywhere and it's not guaranteed that the relatively referenced files are present.
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expect(bundledMetadata.metadata['MyClass']).toEqual(jasmine.objectContaining({
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statics: {
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ngInjectableDef: {
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__symbolic: 'call',
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expression: {
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__symbolic: 'reference',
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name: 'ɵa',
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}
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}
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}
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}));
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});
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it('should be able to bundle an oddly constructed library', () => {
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const host = new MockStringBundlerHost('/', {
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'lib': {
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'index.ts': `
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export * from './src/index';
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`,
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'src': {
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'index.ts': `
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export {One, OneMore, ONE_CLASSES} from './one';
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export {Two, TwoMore, TWO_CLASSES} from './two/index';
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`,
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'one.ts': `
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class One {}
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class OneMore extends One {}
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class PrivateOne {}
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const ONE_CLASSES = [One, OneMore, PrivateOne];
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export {One, OneMore, PrivateOne, ONE_CLASSES};
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`,
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'two': {
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'index.ts': `
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class Two {}
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class TwoMore extends Two {}
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class PrivateTwo {}
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const TWO_CLASSES = [Two, TwoMore, PrivateTwo];
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export {Two, TwoMore, PrivateTwo, TWO_CLASSES};
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`
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}
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}
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}
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});
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const bundler = new MetadataBundler('/lib/index', undefined, host);
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const result = bundler.getMetadataBundle();
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expect(Object.keys(result.metadata.metadata).sort()).toEqual([
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'ONE_CLASSES', 'One', 'OneMore', 'TWO_CLASSES', 'Two', 'TwoMore', 'ɵa', 'ɵb'
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]);
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expect(result.privates).toEqual([
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{privateName: 'ɵa', name: 'PrivateOne', module: './src/one'},
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{privateName: 'ɵb', name: 'PrivateTwo', module: './src/two/index'}
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]);
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});
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it('should not output windows paths in metadata', () => {
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const host = new MockStringBundlerHost('/', {
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'index.ts': `
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export * from './exports/test';
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`,
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'exports': {'test.ts': `export class TestExport {}`}
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});
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const bundler = new MetadataBundler('/index', undefined, host);
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const result = bundler.getMetadataBundle();
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expect(result.metadata.origins).toEqual({'TestExport': './exports/test'});
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});
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it('should convert re-exported to the export', () => {
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const host = new MockStringBundlerHost('/', {
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'index.ts': `
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export * from './bar';
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export * from './foo';
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`,
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'bar.ts': `
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import {Foo} from './foo';
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export class Bar extends Foo {
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}
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`,
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'foo.ts': `
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export {Foo} from 'foo';
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`
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});
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const bundler = new MetadataBundler('/index', undefined, host);
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const result = bundler.getMetadataBundle();
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// Expect the extends reference to refer to the imported module
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expect((result.metadata.metadata as any).Bar.extends.module).toEqual('foo');
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expect(result.privates).toEqual([]);
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});
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it('should treat import then export as a simple export', () => {
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const host = new MockStringBundlerHost('/', {
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'index.ts': `
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export * from './a';
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export * from './c';
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`,
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'a.ts': `
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import { B } from './b';
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export { B };
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`,
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'b.ts': `
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export class B { }
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`,
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'c.ts': `
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import { B } from './b';
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export class C extends B { }
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`
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});
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const bundler = new MetadataBundler('/index', undefined, host);
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const result = bundler.getMetadataBundle();
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expect(Object.keys(result.metadata.metadata).sort()).toEqual(['B', 'C']);
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expect(result.privates).toEqual([]);
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});
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it('should be able to bundle a private from a un-exported module', () => {
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const host = new MockStringBundlerHost('/', {
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'index.ts': `
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export * from './foo';
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`,
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'foo.ts': `
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import {Bar} from './bar';
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export class Foo extends Bar {
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}
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`,
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'bar.ts': `
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export class Bar {}
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`
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});
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const bundler = new MetadataBundler('/index', undefined, host);
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const result = bundler.getMetadataBundle();
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expect(Object.keys(result.metadata.metadata).sort()).toEqual(['Foo', 'ɵa']);
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expect(result.privates).toEqual([{privateName: 'ɵa', name: 'Bar', module: './bar'}]);
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});
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it('should be able to bundle a library with re-exported symbols', () => {
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const host = new MockStringBundlerHost('/', {
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'public-api.ts': `
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export * from './src/core';
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export * from './src/externals';
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`,
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'src': {
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'core.ts': `
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export class A {}
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export class B extends A {}
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`,
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'externals.ts': `
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export {E, F, G} from 'external_one';
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export * from 'external_two';
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`
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}
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});
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const bundler = new MetadataBundler('/public-api', undefined, host);
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const result = bundler.getMetadataBundle();
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expect(result.metadata.exports).toEqual([
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{from: 'external_two'}, {
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export: [{name: 'E', as: 'E'}, {name: 'F', as: 'F'}, {name: 'G', as: 'G'}],
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from: 'external_one'
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}
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]);
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expect(result.metadata.origins !['E']).toBeUndefined();
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});
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it('should be able to de-duplicate symbols of re-exported modules', () => {
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const host = new MockStringBundlerHost('/', {
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'public-api.ts': `
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export {A as A2, A, B as B1, B as B2} from './src/core';
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export {A as A3} from './src/alternate';
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`,
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'src': {
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'core.ts': `
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export class A {}
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export class B {}
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`,
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'alternate.ts': `
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export class A {}
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`,
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}
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});
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const bundler = new MetadataBundler('/public-api', undefined, host);
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const result = bundler.getMetadataBundle();
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const {A, A2, A3, B1, B2} = result.metadata.metadata as{
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A: ClassMetadata,
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A2: MetadataGlobalReferenceExpression,
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A3: ClassMetadata,
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B1: ClassMetadata,
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B2: MetadataGlobalReferenceExpression
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};
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expect(A.__symbolic).toEqual('class');
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expect(A2.__symbolic).toEqual('reference');
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expect(A2.name).toEqual('A');
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expect(A3.__symbolic).toEqual('class');
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expect(B1.__symbolic).toEqual('class');
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expect(B2.__symbolic).toEqual('reference');
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expect(B2.name).toEqual('B1');
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});
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});
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export class MockStringBundlerHost implements MetadataBundlerHost {
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collector = new MetadataCollector();
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adapter: CompilerHostAdapter;
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constructor(private dirName: string, directory: Directory) {
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const context = new MockAotContext(dirName, directory);
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const host = new MockCompilerHost(context);
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const options = {
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES5,
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};
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this.adapter = new CompilerHostAdapter(host, null, options);
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}
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getMetadataFor(moduleName: string): ModuleMetadata|undefined {
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return this.adapter.getMetadataFor(moduleName, this.dirName);
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}
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}
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export const SIMPLE_LIBRARY = {
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'lib': {
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'index.ts': `
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export * from './src/index';
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`,
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'src': {
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'index.ts': `
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export {One, OneMore, ONE_CLASSES} from './one';
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export {Two, TwoMore, TWO_CLASSES} from './two/index';
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`,
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'one.ts': `
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export class One {}
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export class OneMore extends One {}
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export class PrivateOne {}
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export const ONE_CLASSES = [One, OneMore, PrivateOne];
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`,
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'two': {
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'index.ts': `
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export class Two {}
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export class TwoMore extends Two {}
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export class PrivateTwo {}
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export const TWO_CLASSES = [Two, TwoMore, PrivateTwo];
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`
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}
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}
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}
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};
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|
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export const SIMPLE_LIBRARY_WITH_IMPLIED_INDEX = {
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'lib': {
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'index.ts': `
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export * from './src';
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`,
|
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'src': {
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'index.ts': `
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export {One, OneMore, ONE_CLASSES} from './one';
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export {Two, TwoMore, TWO_CLASSES} from './two';
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`,
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'one.ts': `
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export class One {}
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export class OneMore extends One {}
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export class PrivateOne {}
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export const ONE_CLASSES = [One, OneMore, PrivateOne];
|
|
`,
|
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'two': {
|
|
'index.ts': `
|
|
export class Two {}
|
|
export class TwoMore extends Two {}
|
|
export class PrivateTwo {}
|
|
export const TWO_CLASSES = [Two, TwoMore, PrivateTwo];
|
|
`
|
|
}
|
|
}
|
|
}
|
|
};
|