babel/.babelrc.js
2018-02-21 09:56:30 -06:00

43 lines
996 B
JavaScript

"use strict";
let envOpts = {
loose: true,
};
const config = {
comments: false,
presets: [["@babel/env", envOpts]],
plugins: [
// TODO: Use @babel/preset-flow when
// https://github.com/babel/babel/issues/7233 is fixed
"@babel/plugin-transform-flow-strip-types",
["@babel/proposal-class-properties", { loose: true }],
"@babel/proposal-export-namespace-from",
"@babel/proposal-numeric-separator",
["@babel/proposal-object-rest-spread", { useBuiltIns: true }],
],
overrides: [
{
test: "packages/babylon",
plugins: [
"babel-plugin-transform-charcodes",
["@babel/transform-for-of", { assumeArray: true }],
],
},
],
};
if (process.env.BABEL_ENV === "cov") {
config.auxiliaryCommentBefore = "istanbul ignore next";
config.plugins.push("babel-plugin-istanbul");
}
if (process.env.BABEL_ENV === "development") {
envOpts.targets = {
node: "current",
};
envOpts.debug = true;
}
module.exports = config;