nx/packages/schematics/migrations/legacy-migrations/20180309-create-or-update-prettierrc-file.ts

44 lines
1.3 KiB
TypeScript

import { writeFileSync, unlinkSync } from 'fs';
import { join } from 'path';
import { updateJsonFile } from '@nrwl/workspace';
import {
ExistingPrettierConfig,
resolveUserExistingPrettierConfig
} from '@nrwl/workspace';
export default {
description: 'Create or update prettier configuration',
run: async () => {
const resolvedExisting = await resolveUserExistingPrettierConfig();
const existingUserConfig = {
...(resolvedExisting ? resolvedExisting.config : null)
};
const PREVIOUSLY_HARDCODED_NRWL_CONFIG = {
singleQuote: true,
printWidth: 120
};
const finalConfig = {
...existingUserConfig,
...PREVIOUSLY_HARDCODED_NRWL_CONFIG
};
// cleanup old configuration source, if applicable
if (resolvedExisting) {
cleanUpExistingConfig(resolvedExisting);
}
// create new configuration file
writeFileSync('.prettierrc', JSON.stringify(finalConfig, null, 2));
}
};
function cleanUpExistingConfig(resolvedExisting: ExistingPrettierConfig): void {
switch (resolvedExisting.sourceFilepath) {
case join(process.cwd(), 'package.json'):
return updateJsonFile('package.json', json => {
delete json.prettier;
});
default:
return unlinkSync(resolvedExisting.sourceFilepath);
}
}