147 lines
3.8 KiB
JavaScript
147 lines
3.8 KiB
JavaScript
/*
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* Copyright (C) Sapphirecode - All Rights Reserved
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* This file is part of Snippeteer which is released under BSD-3-Clause.
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* See file 'LICENSE' for full license details.
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* Created by Timo Hocker <timo@scode.ovh>, March 2020
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*/
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/* eslint-disable no-sync */
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/* eslint-disable no-console */
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/* eslint-disable no-await-in-loop */
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'use strict';
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const fs = require ('fs-extra');
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const path = require ('path');
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/**
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* scan all files and execute a mutation on them
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*
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* @param {string} folder folder to scan
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* @param {Function} func function to execute on file contents
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*/
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async function map_all_files (folder, func) {
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const files = await fs.readdir (folder);
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for (const file of files) {
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if ([ 'node_modules' ].includes (file))
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continue;
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const abs_path = path.join (folder, file);
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if ((await fs.stat (abs_path)).isDirectory ()) {
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map_all_files (abs_path, func);
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continue;
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}
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const data = await fs.readFile (abs_path, 'utf-8');
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const res = func (data, file);
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if (res === null)
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continue;
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await fs.writeFile (abs_path, res, 'utf-8');
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}
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}
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/**
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* returns a copyright notice
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*
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* @param {string} license license name
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* @param {string} software software name
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* @returns {string} copyright notice
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*/
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function get_copyright_notice (license = '', software = '') {
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let notice = '';
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const date = (new Date);
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const dtf = new Intl.DateTimeFormat ('en', { month: 'long' });
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const year = date.getFullYear ();
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const month = dtf.format (date);
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if (license) {
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notice = `${'/*'}
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* Copyright (C) Sapphirecode - All Rights Reserved
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* This file is part of ${software} which is released under ${license}.
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* See file 'LICENSE' for full license details.
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* Created by Timo Hocker <timo@scode.ovh>, ${month} ${year}
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*/
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`;
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}
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else {
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notice = `${'/*'}
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* Copyright (C) Sapphirecode - All Rights Reserved
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* Created by Timo Hocker <timo@scode.ovh>, ${month} ${year}
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*/
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`;
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}
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return notice;
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}
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/**
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* scans a folder and fixes all copyright notices
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*
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* @param {string} folder folder to scan
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* @param {string} license license name
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* @param {string} software software name
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*/
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async function fix_all_copy (folder, license = '', software = '') {
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const regex = /\/\*\s+\*\sCopyright[\s\S]*?\*\/\n{0,2}/gu;
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await map_all_files (folder, (data, filename) => {
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const shebang = /^#!.*?\n\n/gu;
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const shebang_line = shebang.exec(data);
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if (!/\.js$/.test(filename) && !regex.test (data))
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return null;
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return (shebang_line ? shebang_line[0] : '') + get_copyright_notice (license, software) + data.replace (regex, '').replace(shebang, '');
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});
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}
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/**
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* copies the full template to a new folder named after arg[0]
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*
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* @param {string} folder folder to run in
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* @param {Array} args function arguments
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*/
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function run (folder, args) {
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fix_all_copy (folder, ...args);
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}
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/**
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* checks if the arguments meet the requirements
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*
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* @param {string} folder folder to run in
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* @param {Array} args function arguments
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* @returns {boolean} true if arguments match requirements
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*/
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function assert (folder, args) {
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const tests = [
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{
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f: () => (args.length === 0 || args.length === 2),
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reason: 'invalid number of arguments'
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},
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{
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f: () => (args.length === 0 || typeof args[0] === 'string'),
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reason: 'license is not a string'
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},
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{
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f: () => (args.length === 0 || typeof args[1] === 'string'),
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reason: 'software name is not a string'
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},
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{
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f: () => (typeof folder === 'string'),
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reason: 'cwd is not a folder (internal error)'
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},
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{
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f: () => (fs.existsSync (folder)),
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reason: 'cwd does not exist (internal error)'
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}
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];
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for (const test of tests) {
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if (!test.f ()) {
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console.log (test.reason);
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return false;
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}
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}
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return true;
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}
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module.exports = { run, assert };
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