58 lines
1.4 KiB
TypeScript
58 lines
1.4 KiB
TypeScript
import path from 'path';
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import child_process from 'child_process';
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import fs from 'fs-extra';
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/**
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* write a template to a file
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*
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* @param {string} contents file contents
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* @param {string} destination file destination
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*/
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async function apply_template (
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contents: string,
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destination: string
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): Promise<void> {
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const dst = path.join (process.cwd (), destination);
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if (!await fs.pathExists (dst))
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await fs.writeFile (dst, contents);
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}
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type JSONMutator = {
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(json: object): Promise<object>;
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}
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/**
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* modify a json file
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*
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* @param {Function} func function that modifies the object
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* @param {string} json_path path of json file
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*/
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async function modify_json (
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func: JSONMutator,
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json_path = 'package.json'
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): Promise<void> {
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const file_path = path.join (process.cwd (), json_path);
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const content = JSON.parse (await fs.readFile (file_path, 'utf-8'));
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const new_obj = await func (content);
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await fs.writeFile (file_path, JSON.stringify (new_obj, null, 2));
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}
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/**
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* run a command
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*
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* @param {string} command command to run
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* @param {string} folder folder to run in
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* @returns {Promise<void>} promise
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*/
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function run_command (command: string, folder = ''): Promise<void> {
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return new Promise ((res) => {
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const exec = child_process.exec (
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command,
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{ cwd: path.join (process.cwd (), folder), stdio: 'inherit' }
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);
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exec.on ('close', res);
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});
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}
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export { modify_json, apply_template, run_command };
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