@vue/cli-plugin-babel v5.0.8
@vue/cli-plugin-babel
babel plugin for vue-cli
Configuration
Uses Babel 7 + babel-loader
+ @vue/babel-preset-app by default, but can be configured via babel.config.js
to use any other Babel presets or plugins.
By default, babel-loader
excludes files inside node_modules
dependencies. If you wish to explicitly transpile a dependency module, you will need to add it to the transpileDependencies
option in vue.config.js
:
module.exports = {
transpileDependencies: [
// can be string or regex
'my-dep',
/other-dep/
]
}
Caching
Cache options of babel-loader is enabled by default and cache is stored in <projectRoot>/node_modules/.cache/babel-loader
.
Parallelization
thread-loader is enabled by default when the machine has more than 1 CPU cores. This can be turned off by setting parallel: false
in vue.config.js
.
parallel
should be set to false
when using Babel in combination with non-serializable loader options, such as regexes, dates and functions. These options would not be passed correctly to babel-loader
which may lead to unexpected errors.
Installing in an Already Created Project
vue add babel
Injected webpack-chain Rules
config.rule('js')
config.rule('js').use('babel-loader')
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