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Fix language detection to circumvent detecting Typescript, although i…
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…t isn't a direct dependency
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@valentinpalkovic
valentinpalkovic committed Jul 12, 2023
1 parent f76b060 commit d3f7139
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Showing 2 changed files with 106 additions and 22 deletions.
95 changes: 87 additions & 8 deletions code/lib/cli/src/detect.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -236,17 +236,28 @@ describe('Detect', () => {
it(`should return type HTML if html option is passed`, async () => {
const packageManager = {
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
getAllDependencies: () => Promise.resolve({}),
getPackageVersion: () => Promise.resolve(null),
} as any as JsPackageManager;
} as Partial<JsPackageManager>;

await expect(detect(packageManager, { html: true })).resolves.toBe(ProjectType.HTML);
await expect(detect(packageManager as any, { html: true })).resolves.toBe(ProjectType.HTML);
});

it(`should return language javascript if the TS dependency is present but less than minimum supported`, async () => {
(logger.warn as jest.MockedFunction<typeof logger.warn>).mockClear();

const packageManager = {
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
retrievePackageJson: () =>
Promise.resolve({
dependencies: {},
devDependencies: {
typescript: '1.0.0',
},
}),
getAllDependencies: () =>
Promise.resolve({
typescript: '1.0.0',
}),
getPackageVersion: (packageName) => {
switch (packageName) {
case 'typescript':
Expand All @@ -266,7 +277,17 @@ describe('Detect', () => {
it(`should return language typescript-3-8 if the TS dependency is >=3.8 and <4.9`, async () => {
await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
retrievePackageJson: () =>
Promise.resolve({
dependencies: {},
devDependencies: {
typescript: '3.8.0',
},
}),
getAllDependencies: () =>
Promise.resolve({
typescript: '3.8.0',
}),
getPackageVersion: (packageName: string) => {
switch (packageName) {
case 'typescript':
Expand All @@ -280,7 +301,17 @@ describe('Detect', () => {

await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
retrievePackageJson: () =>
Promise.resolve({
dependencies: {},
devDependencies: {
typescript: '4.8.0',
},
}),
getAllDependencies: () =>
Promise.resolve({
typescript: '4.8.0',
}),
getPackageVersion: (packageName: string) => {
switch (packageName) {
case 'typescript':
Expand All @@ -296,7 +327,17 @@ describe('Detect', () => {
it(`should return language typescript-4-9 if the dependency is >TS4.9`, async () => {
await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
retrievePackageJson: () =>
Promise.resolve({
dependencies: {},
devDependencies: {
typescript: '4.9.1',
},
}),
getAllDependencies: () =>
Promise.resolve({
typescript: '4.9.1',
}),
getPackageVersion: (packageName: string) => {
switch (packageName) {
case 'typescript':
Expand All @@ -312,7 +353,17 @@ describe('Detect', () => {
it(`should return language typescript if the dependency is =TS4.9`, async () => {
await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
retrievePackageJson: () =>
Promise.resolve({
dependencies: {},
devDependencies: {
typescript: '4.9.0',
},
}),
getAllDependencies: () =>
Promise.resolve({
typescript: '4.9.0',
}),
getPackageVersion: (packageName: string) => {
switch (packageName) {
case 'typescript':
Expand All @@ -328,7 +379,17 @@ describe('Detect', () => {
it(`should return language typescript if the dependency is =TS4.9beta`, async () => {
await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
retrievePackageJson: () =>
Promise.resolve({
dependencies: {},
devDependencies: {
typescript: '4.9.0-beta',
},
}),
getAllDependencies: () =>
Promise.resolve({
typescript: '4.9.0-beta',
}),
getPackageVersion: (packageName: string) => {
switch (packageName) {
case 'typescript':
Expand All @@ -345,13 +406,31 @@ describe('Detect', () => {
await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
getAllDependencies: () => Promise.resolve({}),
getPackageVersion: () => {
return Promise.resolve(null);
},
} as Partial<JsPackageManager> as JsPackageManager)
).resolves.toBe(SupportedLanguage.JAVASCRIPT);
});

it(`should return language Javascript even when Typescript is detected in the node_modules but not listed as a direct dependency`, async () => {
await expect(
detectLanguage({
retrievePackageJson: () => Promise.resolve({ dependencies: {}, devDependencies: {} }),
getAllDependencies: () => Promise.resolve({}),
getPackageVersion: (packageName) => {
switch (packageName) {
case 'typescript':
return Promise.resolve('4.9.0');
default:
return Promise.resolve(null);
}
},
} as Partial<JsPackageManager> as JsPackageManager)
).resolves.toBe(SupportedLanguage.JAVASCRIPT);
});

describe('detectFrameworkPreset should return', () => {
afterEach(() => {
jest.clearAllMocks();
Expand Down
33 changes: 19 additions & 14 deletions code/lib/cli/src/detect.ts
View file
Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,10 @@ export async function detectLanguage(packageManager: JsPackageManager) {
return language;
}

const isTypescriptDirectDependency = await packageManager
.getAllDependencies()
.then((deps) => Boolean(deps['typescript']));

const typescriptVersion = await packageManager.getPackageVersion('typescript');
const prettierVersion = await packageManager.getPackageVersion('prettier');
const babelPluginTransformTypescriptVersion = await packageManager.getPackageVersion(
Expand All @@ -178,20 +182,21 @@ export async function detectLanguage(packageManager: JsPackageManager) {
'eslint-plugin-storybook'
);

if (
typescriptVersion &&
semver.gte(typescriptVersion, '4.9.0') &&
(!prettierVersion || semver.gte(prettierVersion, '2.8.0')) &&
(!babelPluginTransformTypescriptVersion ||
semver.gte(babelPluginTransformTypescriptVersion, '7.20.0')) &&
(!typescriptEslintParserVersion || semver.gte(typescriptEslintParserVersion, '5.44.0')) &&
(!eslintPluginStorybookVersion || semver.gte(eslintPluginStorybookVersion, '0.6.8'))
) {
language = SupportedLanguage.TYPESCRIPT_4_9;
} else if (typescriptVersion && semver.gte(typescriptVersion, '3.8.0')) {
language = SupportedLanguage.TYPESCRIPT_3_8;
} else if (typescriptVersion && semver.lt(typescriptVersion, '3.8.0')) {
logger.warn('Detected TypeScript < 3.8, populating with JavaScript examples');
if (isTypescriptDirectDependency && typescriptVersion) {
if (
semver.gte(typescriptVersion, '4.9.0') &&
(!prettierVersion || semver.gte(prettierVersion, '2.8.0')) &&
(!babelPluginTransformTypescriptVersion ||
semver.gte(babelPluginTransformTypescriptVersion, '7.20.0')) &&
(!typescriptEslintParserVersion || semver.gte(typescriptEslintParserVersion, '5.44.0')) &&
(!eslintPluginStorybookVersion || semver.gte(eslintPluginStorybookVersion, '0.6.8'))
) {
language = SupportedLanguage.TYPESCRIPT_4_9;
} else if (semver.gte(typescriptVersion, '3.8.0')) {
language = SupportedLanguage.TYPESCRIPT_3_8;
} else if (semver.lt(typescriptVersion, '3.8.0')) {
logger.warn('Detected TypeScript < 3.8, populating with JavaScript examples');
}
}

return language;
Expand Down

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