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FIX 6864 - improve the loading of babel config (#6878)

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FIX 6864 - improve the loading of babel config
This commit is contained in:
Michael Shilman 2019-05-26 20:13:31 -07:00 committed by GitHub
commit 638c48edea
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1 changed files with 24 additions and 6 deletions
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30
lib/core/src/server/utils/load-custom-babel-config.js
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@ -16,19 +16,37 @@ function removeReactHmre(presets) {
// Tries to load a .babelrc and returns the parsed object if successful
function loadFromPath(babelConfigPath) {
let config;
const error = {};
if (fs.existsSync(babelConfigPath)) {
const content = fs.readFileSync(babelConfigPath, 'utf-8');
try {
config = /^module.exports/.test(content)
? require(babelConfigPath) // eslint-disable-line
: JSON5.parse(content);
config.babelrc = false;
// eslint-disable-next-line global-require, import/no-dynamic-require
config = require(babelConfigPath);
logger.info('=> Loading custom babel config as JS');
} catch (e) {
error.js = e;
}
try {
config = JSON5.parse(content);
logger.info('=> Loading custom babel config');
} catch (e) {
logger.error(`=> Error parsing babel config file: ${e.message}`);
throw e;
error.json = e;
}
if (!config) {
logger.error(`=> Error parsing babel config file: ${babelConfigPath}
We tried both loading as JS & JSON, neither worked.
Maybe there's a syntax error in the file?`);
logger.error(`=> From JS loading we got: ${error.js.message}`);
logger.error(`=> From JSON loading we got: ${error.js.message}`);
throw error.js;
}
config.babelrc = false;
}
if (!config) return null;