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index.js
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index.js
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import { rename, copyFile, stat, opendir, mkdir, rm } from 'node:fs/promises';
import { join, basename } from 'path';
let directoriesToBeDeleted = [];
export const readUserInput = () => {
const [, , ...args] = process.argv;
const [originPath, destinationPath, flags] = args;
if (!originPath) {
throw new Error('no input');
}
if (!destinationPath) {
throw new Error('no destination dir');
}
let source = new URL(originPath, import.meta.url).pathname;
let destination = new URL(destinationPath, import.meta.url).pathname;
let copyFlag = flags === '-c';
return { source, destination, copyFlag };
};
export const handleUserInput = async (userInput) => {
let { source, destination, copyFlag } = userInput;
let sourceStats, destinationStats;
try {
sourceStats = await stat(source);
} catch (error) {
if (error.code === 'ENOENT') {
throw new Error(`File or directory '${source}' does not exist`);
} else {
throw new Error(error.message);
}
}
try {
destinationStats = await stat(destination);
} catch (error) {
if (error.code !== 'ENOENT') {
throw new Error(error.message);
}
}
if (sourceStats.isDirectory()) {
await copyOrMove(source, destination, copyFlag);
}
if (sourceStats.isFile()) {
if (destinationStats && destinationStats.isDirectory()) {
destination = join(destination, basename(source));
}
copyFlag ? await copy(source, destination) : await move(source, destination);
}
};
export const checkAndMakeDirectory = async (dirname) => {
try {
await stat(dirname);
} catch (error) {
if (error.code === "ENOENT") {
const projectFolder = new URL(dirname, import.meta.url);
try {
await mkdir(projectFolder, { recursive: true });
} catch (err) {
console.log(err.message);
}
}
}
}
export const checkAndRemoveDirectory = async (dirname) => {
try {
let stats = await stat(dirname);
if (stats.isDirectory()) {
const projectFolder = new URL(dirname, import.meta.url);
try {
await rm(projectFolder, { recursive: true, force: true });
} catch(err) {
console.error(err);
}
}
} catch (error) {
// console.log(error);
}
}
export const copyOrMove = async (source, destination, copyFlag) => {
let files = [];
let directories = [];
try {
const dir = await opendir(source);
for await (const dirent of dir) {
if(dirent.name !== '.git' && dirent.name !== 'node_modules') {
let sourcePath = join(source, dirent.name);
let stats = await stat(sourcePath);
if (stats.isFile()) {
files.push(dirent.name)
}
if(stats.isDirectory()) {
directories.push(dirent.name)
}
}
}
} catch (err) {
throw new Error(err);
}
for await (const file of files) {
let sourcePath = join(source, file);
let destinationPath = join(destination, file);
copyFlag ? await copy(sourcePath, destinationPath) : await move(sourcePath, destinationPath);
}
for await (const dir of directories) {
source = join(source, dir);
destination = join(destination, dir);
await checkAndMakeDirectory(destination);
directoriesToBeDeleted.push(source);
return await copyOrMove(source, destination, copyFlag);
}
};
const copy = async (source, destination) => {
try {
await copyFile(source, destination);
console.log(source, 'was copied');
} catch(err) {
throw new Error('error trying to copy file');
}
};
const move = async (source, destination) => {
try {
await rename(source, destination);
console.log(source, 'was moved');
} catch {
throw new Error('error trying to move file');
}
};
const main = async () => {
try {
const userInput = readUserInput();
if (!userInput) {
return;
}
await handleUserInput(userInput);
if (!userInput.copyFlag) {
for await (const dir of directoriesToBeDeleted) {
await checkAndRemoveDirectory(dir)
}
}
} catch (error) {
console.log(error.message);
}
};
main();