mirror of https://github.com/nuxt/nuxt.git
25 lines
611 B
JavaScript
25 lines
611 B
JavaScript
|
// Add polyfill imports to the first file encountered.
|
||
|
|
module.exports = ({ types }) => {
|
||
|
|
let entryFile
|
||
|
|
return {
|
||
|
|
name: 'inject-polyfills',
|
||
|
|
visitor: {
|
||
|
|
Program(path, state) {
|
||
|
|
if (!entryFile) {
|
||
|
|
entryFile = state.filename
|
||
|
|
} else if (state.filename !== entryFile) {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
const { polyfills } = state.opts
|
||
|
|
const { createImport } = require('@babel/preset-env/lib/utils')
|
||
|
|
|
||
|
|
// Imports are injected in reverse order
|
||
|
|
polyfills.slice().reverse().forEach((p) => {
|
||
|
|
createImport(path, p)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|