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@vv13
Created February 16, 2024 15:50
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Simple remove comments in project
const fs = require("fs");
const path = require("path");
const IgnoreFiles = ["node_modules", ".idea", ".vscode", "package-lock.json", "yarn.lock"];
class RemoveComments {
sourcePath = "";
targetPath = "";
constructor(sourcePath, targetPath) {
this.sourcePath = sourcePath;
this.targetPath = targetPath;
}
static deleteFolderRecursive(folderPath) {
if (fs.existsSync(folderPath)) {
fs.readdirSync(folderPath).forEach((file, index) => {
const curPath = path.join(folderPath, file);
if (fs.lstatSync(curPath).isDirectory()) {
this.deleteFolderRecursive(curPath);
} else {
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(folderPath);
}
}
static copyDirectorySync(source, target) {
// 创建目标目录
if (!fs.existsSync(target)) {
fs.mkdirSync(target, { recursive: true });
}
// 获取源目录中的所有文件和子目录
const files = fs.readdirSync(source);
// 遍历源目录中的所有文件和子目录
files.forEach((file) => {
if (IgnoreFiles.includes(file)) return;
const sourcePath = path.join(source, file);
const targetPath = path.join(target, file);
// 获取文件/目录的状态
const stats = fs.statSync(sourcePath);
if (stats.isDirectory()) {
// 递归复制子目录
this.copyDirectorySync(sourcePath, targetPath);
} else {
// 复制文件
fs.copyFileSync(sourcePath, targetPath);
}
});
}
static removeCommentsFromFile(filePath) {
let fileContent = fs.readFileSync(filePath, "utf8");
// 移除单行注释,eg: const a = 1; // comment
fileContent = fileContent.replace(/\/\/.*$/gm, "");
// 移除单行注释
fileContent = fileContent.replace(/^\/\/.*\n?/gm, "");
// 移除多行注释
fileContent = fileContent.replace(/\/\*[\s\S]*?\*\//gm, "");
// 移除连续的空白行
fileContent = fileContent.replace(/\n+/g, "\n");
fs.writeFileSync(filePath, fileContent, "utf8");
}
static removeCommentsFromDirectory(directoryPath) {
fs.readdir(directoryPath, (err, files) => {
if (err) {
console.error("Error reading directory:", err);
return;
}
files.forEach((file) => {
const filePath = path.join(directoryPath, file);
const stats = fs.statSync(filePath);
if (stats.isDirectory()) {
this.removeCommentsFromDirectory(filePath);
} else if (stats.isFile() && path.extname(filePath) === ".js") {
this.removeCommentsFromFile(filePath);
}
});
});
}
run() {
if (fs.existsSync(this.targetPath)) {
RemoveComments.deleteFolderRecursive(this.targetPath);
}
RemoveComments.copyDirectorySync(this.sourcePath, this.targetPath);
RemoveComments.removeCommentsFromDirectory(this.targetPath);
}
}
@vv13
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vv13 commented Feb 16, 2024

After removing comments, do format to fix empty-line problems: npx prettier --write "**/*.js"

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