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packager: bust cached babelrc if projectRoots change #13376

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EmielM wants to merge 1 commit into from
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packager: bust cached babelrc if projectRoots change #13376

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4 changes: 3 additions & 1 deletion packager/transformer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,12 +29,14 @@ const {compactMapping} = require('./src/Bundler/source-map');
*/
const getBabelRC = (function() {
let babelRC = null;
let pr = null;

return function _getBabelRC(projectRoots) {
if (babelRC !== null) {
if (babelRC !== null && pr === projectRoots) {
return babelRC;
}

pr = projectRoots;
babelRC = {plugins: []}; // empty babelrc

// Let's look for the .babelrc in the first project root.
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