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fix: ensure babel presets load (#41233)

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In rare cases, loadPresetReact could get into a race with itself. In
these cases the first call would set presetReact and the second call
would exit early as a result.  This would mean babelOptionsJSX would be
undefined and the transformation would fail.
This commit is contained in:
Oliver Eyton-Williams
2021-02-23 15:52:20 +01:00
committed by GitHub
parent f60fa14d3e
commit e363bb9810
1 changed files with 4 additions and 5 deletions
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9
client/src/templates/Challenges/rechallenge/transformers.js
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@ -59,7 +59,6 @@ async function loadBabel() {
}
async function loadPresetEnv() {
if (babelOptionsJSBase && babelOptionsJSBase.presets) return;
/* eslint-disable no-inline-comments */
if (!presetEnv)
presetEnv = await import(
@ -81,11 +80,11 @@ async function loadPresetEnv() {
}
async function loadPresetReact() {
if (presetReact) return;
/* eslint-disable no-inline-comments */
presetReact = await import(
/* webpackChunkName: "@babel/preset-react" */ '@babel/preset-react'
);
if (!presetReact)
presetReact = await import(
/* webpackChunkName: "@babel/preset-react" */ '@babel/preset-react'
);
if (!presetEnv)
presetEnv = await import(
/* webpackChunkName: "@babel/preset-env" */ '@babel/preset-env'