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chore: fallback to the original code after babel transform

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This commit is contained in:
Pavel Feldman 2025-02-05 10:01:49 -08:00
parent 11913e6f39
commit ea4831c62a
3 changed files with 8 additions and 7 deletions
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6
packages/playwright/bundles/babel/src/babelBundleImpl.ts
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@ -118,15 +118,15 @@ function isTypeScript(filename: string) {
return filename.endsWith('.ts') || filename.endsWith('.tsx') || filename.endsWith('.mts') || filename.endsWith('.cts');
}
export function babelTransform(code: string, filename: string, isModule: boolean, pluginsPrologue: [string, any?][], pluginsEpilogue: [string, any?][]): BabelFileResult {
export function babelTransform(code: string, filename: string, isModule: boolean, pluginsPrologue: [string, any?][], pluginsEpilogue: [string, any?][]): BabelFileResult | null {
if (isTransforming)
return {};
return null;
// Prevent reentry while requiring plugins lazily.
isTransforming = true;
try {
const options = babelTransformOptions(isTypeScript(filename), isModule, pluginsPrologue, pluginsEpilogue);
return babel.transform(code, { filename, ...options })!;
return babel.transform(code, { filename, ...options });
} finally {
isTransforming = false;
}

2
packages/playwright/src/transform/babelBundle.ts
View file

@ -20,7 +20,7 @@ export const declare: typeof import('../../bundles/babel/node_modules/@types/bab
export const types: typeof import('../../bundles/babel/node_modules/@types/babel__core').types = require('./babelBundleImpl').types;
export const traverse: typeof import('../../bundles/babel/node_modules/@types/babel__traverse').default = require('./babelBundleImpl').traverse;
export type BabelPlugin = [string, any?];
export type BabelTransformFunction = (code: string, filename: string, isModule: boolean, pluginsPrefix: BabelPlugin[], pluginsSuffix: BabelPlugin[]) => BabelFileResult;
export type BabelTransformFunction = (code: string, filename: string, isModule: boolean, pluginsPrefix: BabelPlugin[], pluginsSuffix: BabelPlugin[]) => BabelFileResult | null;
export const babelTransform: BabelTransformFunction = require('./babelBundleImpl').babelTransform;
export type BabelParseFunction = (code: string, filename: string, isModule: boolean) => ParseResult;
export const babelParse: BabelParseFunction = require('./babelBundleImpl').babelParse;

7
packages/playwright/src/transform/transform.ts
View file

@ -232,9 +232,10 @@ export function transformHook(originalCode: string, filename: string, moduleUrl?
const { babelTransform }: { babelTransform: BabelTransformFunction } = require('./babelBundle');
transformData = new Map<string, any>();
const { code, map } = babelTransform(originalCode, filename, !!moduleUrl, pluginsPrologue, pluginsEpilogue);
if (!code)
return { code: '', serializedCache };
const babelResult = babelTransform(originalCode, filename, !!moduleUrl, pluginsPrologue, pluginsEpilogue);
if (!babelResult?.code)
return { code: originalCode, serializedCache };
const { code, map } = babelResult;
const added = addToCache!(code, map, transformData);
return { code, serializedCache: added.serializedCache };
}