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fix: typesVersions not respecting outDir from tsconfig file (#1238)
Fixes #1234 Also fixes an issue related the `.type-compat` output path that was discovered when adding tests. When getting `outdir` from the program, this might be either a relative or absolute path. Previously the code assumed it was always relative which is not correct. This led to absolute paths being used for the `.type-compat` dir and in the post processing; ultimately leading to a compilation failure. The fix is to ensure `outdir` & `.type-compat` are normalized to a relative path. --- By submitting this pull request, I confirm that my contribution is made under the terms of the [Apache 2.0 license]. [Apache 2.0 license]: https://www.apache.org/licenses/LICENSE-2.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,215 @@ | ||
| import { mkdtempSync, writeFileSync, readFileSync, mkdirSync } from 'node:fs'; | ||
| import { tmpdir } from 'node:os'; | ||
| import { join } from 'node:path'; | ||
| import { Compiler } from '../src/compiler'; | ||
| import { TYPES_COMPAT } from '../src/downlevel-dts'; | ||
| import { PackageJson, ProjectInfo } from '../src/project-info'; | ||
|
|
||
| describe('Compiler', () => { | ||
| describe('generated tsconfig', () => { | ||
| test('will downlevel code', () => { | ||
| // GIVEN | ||
| const sourceDir = mkdtempSync(join(tmpdir(), 'jsii-compiler-generated-')); | ||
| _writeDownlevelableCode(sourceDir); | ||
|
|
||
| // WHEN | ||
| const compiler = new Compiler({ | ||
| projectInfo: { | ||
| ..._makeProjectInfo(sourceDir, 'index.d.ts'), | ||
| }, | ||
| }); | ||
| const result = compiler.emit(); | ||
|
|
||
| // THEN code compiles | ||
| expect(result.diagnostics).toHaveLength(0); | ||
| expect(result.emitSkipped).toBe(false); | ||
| // THEN code is downleveled | ||
| const downleveled = readFileSync(join(sourceDir, '.types-compat/ts3.9/index.d.ts'), 'utf-8'); | ||
| expect(downleveled).toMatchInlineSnapshot(` | ||
| "declare class MarkerA { | ||
| } | ||
| export type { MarkerA }; | ||
| " | ||
| `); | ||
| // THEN typeVersions are written | ||
| const packageJson = readPackageJson(sourceDir); | ||
| expect(packageJson.typesVersions).toMatchObject({ | ||
| '<=3.9': { | ||
| '*': ['.types-compat/ts3.9/*', '.types-compat/ts3.9/*/index.d.ts'], | ||
| }, | ||
| }); | ||
| // THEN | ||
| const tsconfig = JSON.parse(readFileSync(join(sourceDir, 'tsconfig.json'), 'utf-8')); | ||
| expect(tsconfig.exclude).toMatchInlineSnapshot(` | ||
| [ | ||
| "node_modules", | ||
| ".types-compat", | ||
| ] | ||
| `); | ||
| }); | ||
|
|
||
| test('will downlevel code with outdir', () => { | ||
| // GIVEN | ||
| const outDir = 'jsii-outdir'; | ||
| const srcDir = 'jsii-srcdir'; | ||
| const projectDir = mkdtempSync(join(tmpdir(), 'jsii-compiler-generated-')); | ||
| mkdirSync(join(projectDir, srcDir), { recursive: true }); | ||
| _writeDownlevelableCode(projectDir, srcDir); | ||
|
|
||
| // WHEN | ||
| const compiler = new Compiler({ | ||
| projectInfo: { | ||
| ..._makeProjectInfo(projectDir, join(outDir, 'index.d.ts')), | ||
| tsc: { | ||
| outDir, | ||
| rootDir: srcDir, | ||
| }, | ||
| }, | ||
| }); | ||
| const result = compiler.emit(); | ||
|
|
||
| // THEN code compiles | ||
| expect(result.diagnostics).toHaveLength(0); | ||
| expect(result.emitSkipped).toBe(false); | ||
| // THEN code is downleveled | ||
| const downleveled = readFileSync(join(projectDir, outDir, '.types-compat/ts3.9/index.d.ts'), 'utf-8'); | ||
| expect(downleveled).toMatchInlineSnapshot(` | ||
| "declare class MarkerA { | ||
| } | ||
| export type { MarkerA }; | ||
| " | ||
| `); | ||
| // THEN typeVersions are written | ||
| const packageJson = readPackageJson(projectDir); | ||
| expect(packageJson.typesVersions).toMatchObject({ | ||
| '<=3.9': { | ||
| 'jsii-outdir/*': ['jsii-outdir/.types-compat/ts3.9/*', 'jsii-outdir/.types-compat/ts3.9/*/index.d.ts'], | ||
| }, | ||
| }); | ||
| // THEN | ||
| const tsconfig = JSON.parse(readFileSync(join(projectDir, 'tsconfig.json'), 'utf-8')); | ||
| expect(tsconfig.exclude).toMatchInlineSnapshot(` | ||
| [ | ||
| "node_modules", | ||
| "jsii-outdir/.types-compat", | ||
| ] | ||
| `); | ||
| }); | ||
| }); | ||
|
|
||
| describe('user-provided tsconfig', () => { | ||
| test('will downlevel code with outdir', () => { | ||
| // GIVEN | ||
| const outDir = 'jsii-outdir'; | ||
| const srcDir = 'jsii-srcdir'; | ||
| const projectDir = mkdtempSync(join(tmpdir(), 'jsii-compiler-user-tsconfig-')); | ||
| mkdirSync(join(projectDir, srcDir), { recursive: true }); | ||
| const tsconfigPath = 'tsconfig.dev.json'; | ||
| writeFileSync( | ||
| join(projectDir, tsconfigPath), | ||
| JSON.stringify( | ||
| tsconfigForNode18Strict({ | ||
| outDir, | ||
| rootDir: srcDir, | ||
| }), | ||
| null, | ||
| 2, | ||
| ), | ||
| ); | ||
| _writeDownlevelableCode(projectDir, srcDir); | ||
|
|
||
| // WHEN | ||
| const compiler = new Compiler({ | ||
| projectInfo: _makeProjectInfo(projectDir, join(outDir, 'index.d.ts')), | ||
| typeScriptConfig: tsconfigPath, | ||
| }); | ||
| const result = compiler.emit(); | ||
|
|
||
| // THEN code compiles | ||
| expect(result.diagnostics).toHaveLength(0); | ||
| expect(result.emitSkipped).toBe(false); | ||
| // THEN code is downleveled | ||
| const downleveled = readFileSync(join(projectDir, outDir, '.types-compat/ts3.9/index.d.ts'), 'utf-8'); | ||
| expect(downleveled).toMatchInlineSnapshot(` | ||
| "declare class MarkerA { | ||
| } | ||
| export type { MarkerA }; | ||
| " | ||
| `); | ||
| // THEN typeVersions are written | ||
| const packageJson = readPackageJson(projectDir); | ||
| expect(packageJson.typesVersions).toMatchObject({ | ||
| '<=3.9': { | ||
| 'jsii-outdir/*': ['jsii-outdir/.types-compat/ts3.9/*', 'jsii-outdir/.types-compat/ts3.9/*/index.d.ts'], | ||
| }, | ||
| }); | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| function readPackageJson(dir: string): PackageJson { | ||
| return JSON.parse(readFileSync(join(dir, 'package.json'), 'utf-8')); | ||
| } | ||
|
|
||
| function _writeDownlevelableCode(projectDir: string, codeSubDir?: string) { | ||
| // Files in the project dir | ||
| writeFileSync(join(projectDir, 'README.md'), '# Test Package'); | ||
| writeFileSync(join(projectDir, 'package.json'), JSON.stringify({}, null, 2)); | ||
|
|
||
| // Files in the code dir, e.g. `src` | ||
| const codeDir = codeSubDir ? join(projectDir, codeSubDir) : projectDir; | ||
| // See https://www.npmjs.com/package/downlevel-dts#type-modifiers-on-importexport-names-45 | ||
| writeFileSync(join(codeDir, 'index.ts'), 'class MarkerA {} export { type MarkerA }'); | ||
| } | ||
|
|
||
| function _makeProjectInfo(sourceDir: string, types: string): ProjectInfo { | ||
| return { | ||
| projectRoot: sourceDir, | ||
| description: 'test', | ||
| homepage: 'https://github.com/aws/jsii-compiler', | ||
| packageJson: {}, | ||
| types, | ||
| main: types.replace(/(?:\.d)?\.ts(x?)/, '.js$1'), | ||
| name: 'jsii', // That's what package.json would tell if we look up... | ||
| version: '0.0.1', | ||
| jsiiVersionFormat: 'short', | ||
| license: 'Apache-2.0', | ||
| author: { name: 'John Doe', roles: ['author'] }, | ||
| repository: { type: 'git', url: 'https://github.com/aws/jsii.git' }, | ||
| dependencies: {}, | ||
| peerDependencies: {}, | ||
| dependencyClosure: [], | ||
| bundleDependencies: {}, | ||
| targets: {}, | ||
| excludeTypescript: [], | ||
| tsc: { | ||
| // NOTE: these are the default values jsii uses when none are provided in package.json. | ||
| inlineSourceMap: true, | ||
| inlineSources: true, | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * An example of a user-provided config, based on the popular tsconfig/bases project & adjusted for the strict rule set | ||
| * @see https://github.com/tsconfig/bases/blob/main/bases/node18.json | ||
| */ | ||
| function tsconfigForNode18Strict(compilerOptions: any = {}) { | ||
| return { | ||
| compilerOptions: { | ||
| lib: ['es2022'], | ||
| module: 'node16', | ||
| target: 'es2022', | ||
|
|
||
| strict: true, | ||
| esModuleInterop: true, | ||
| skipLibCheck: true, | ||
| noEmitOnError: true, | ||
| moduleResolution: 'node16', | ||
| declaration: true, | ||
| ...compilerOptions, | ||
| }, | ||
| exclude: ['node_modules', TYPES_COMPAT], | ||
| include: [join('**', '*.ts')], | ||
| }; | ||
| } |