src/transforms/babel:setup-presets.js
import update from '../lib/update.js';
import {
includes,
replaceOrInsert,
presetDefaults,
pluginRemoveDebug,
presetCurrentNode,
format,
} from '../lib/babel.js';
export const description = 'Setup default presets.';
export const commit = {
type: 'config',
scope: 'babel',
subject: description,
};
export async function postcondition({readPkg, assert}) {
const pkgjson = await readPkg();
const env = pkgjson.babel;
assert(env !== undefined);
assert(env.presets !== undefined);
assert(includes(env.presets, presetDefaults));
}
export async function precondition({readPkg, assert}) {
const pkgjson = await readPkg();
const env = pkgjson.babel;
assert(!includes(env?.plugins, pluginRemoveDebug));
assert(!includes(env?.presets, presetCurrentNode));
assert(!includes(env?.presets, presetDefaults));
}
export async function apply({readPkg, writePkg, fixConfig}) {
await update({
read: readPkg,
write: writePkg,
edit(pkgjson) {
const env = pkgjson.babel;
replaceOrInsert(env, 'presets', presetDefaults);
return format(pkgjson);
},
});
await fixConfig();
}
export const dependencies = [
'config:lint-setup',
'package.json:ensure-babel',
'deps:add-@babel-preset-env',
];