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Keep user options intact in transformFile (#6890)

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* Preserve user options in transformFile

* Improve tests for transformFile user opts handling
This commit is contained in:
Nicolas Marien
2017-11-25 19:13:56 +01:00
committed by Logan Smyth
parent 66ee192a7f
commit cf62908bbd
3 changed files with 29 additions and 20 deletions
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7
packages/babel-core/src/transform-file-sync.js
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@@ -8,13 +8,14 @@ export default function transformFileSync(
filename: string,
opts: ?InputOptions,
): FileResult | null {
let options;
if (opts == null) {
opts = { filename };
options = { filename };
} else if (opts && typeof opts === "object") {
opts = Object.assign(opts, { filename });
options = Object.assign({}, opts, { filename });
}
const config = loadConfig(opts);
const config = loadConfig(options);
if (config === null) return null;
return runSync(config, fs.readFileSync(filename, "utf8"));