home-assistant-frontend/build-scripts/babel.js

32 lines
979 B
JavaScript

module.exports.options = ({ latestBuild }) => ({
presets: [
!latestBuild && [require("@babel/preset-env").default, { modules: false }],
require("@babel/preset-typescript").default,
].filter(Boolean),
plugins: [
// Part of ES2018. Converts {...a, b: 2} to Object.assign({}, a, {b: 2})
[
"@babel/plugin-proposal-object-rest-spread",
{ loose: true, useBuiltIns: true },
],
// Only support the syntax, Webpack will handle it.
"@babel/syntax-dynamic-import",
"@babel/plugin-proposal-optional-chaining",
"@babel/plugin-proposal-nullish-coalescing-operator",
[
require("@babel/plugin-proposal-decorators").default,
{ decoratorsBeforeExport: true },
],
[
require("@babel/plugin-proposal-class-properties").default,
{ loose: true },
],
],
});
// Are already ES5, cause warnings when babelified.
module.exports.exclude = [
require.resolve("@mdi/js/mdi.js"),
require.resolve("hls.js"),
];