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How to use the cpSync function from fs

Find comprehensive JavaScript fs.cpSync code examples handpicked from public code repositorys.

fs.cpSync is a method in Node.js that synchronously copies a file or directory from one location to another.

linkWorkspaceDeps.js

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  }
}


function copyChangedFiles(packageName, sourceDir, targetDir) {
  console.log(`[${new Date().toLocaleTimeString()}] Updating ${packageName}`);
  fs.cpSync(sourceDir, targetDir, {
    recursive: true,
    filter: (source, dest) => {
      if (!fs.existsSync(dest)) {
        return true;

run.test.js

GitHub: Venthe/Personal-Development-Pipeline

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}


async function copyRepository() {
    const source = `${process.cwd()}/resources/${context.directory}`;


    cpSync(source, context.repositoryPath, {recursive: true})
}


function repository(projectName = "repository.git") {
    return {

How does fs.cpSync work?

fs.cpSync is a function in Node.js that is used to copy a file or a directory from a source location to a destination location synchronously. The function takes two arguments: the source file or directory path and the destination path. If the source is a directory, the destination must also be a directory. The function creates a new file or directory at the destination path with the same content as the source file or directory, and it returns undefined if the operation is successful. Otherwise, it throws an error with the relevant error message.

docusaurus.config.js

GitHub: tansongchen/notes

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const downloader = (/** @type {string} */ root) => {
  const submodule = 'obsidian';
  for (const fileOrFolder of readdirSync(submodule)) {
    if (!fileOrFolder.startsWith('.')) {
      cpSync(join(submodule, fileOrFolder), join(root, fileOrFolder.split('-').slice(-1).join('').trim()), { recursive: true });
    }
  }


  for (const file of walkSync(root, { globs: [`**/*.md`, `**/*.mdx`]})) {

snLint.js

GitHub: unsaved/eslint-plugin-sn

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    fs.copyFileSync(path.join(__dirname, "resources/sneslintrc.json"), targRcFile);
    console.info(`Created file '${targRcFile}'`);
    process.exit(0);
}
if (yargsDict.g) {
    fs.cpSync(path.join(__dirname, "resources/snglobals"), "snglobals", {
        preserveTimestamps: true,
        recursive: true,
        force: true,
    });

Ai Example

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const fs = require("fs");

try {
  fs.copyFileSync("path/to/source/file", "path/to/destination/file");
  console.log("File copied successfully.");
} catch (err) {
  console.error("Error while copying file:", err);
}

In this example, fs.copyFileSync is used to copy the file from the source path to the destination path synchronously. If the copy is successful, a message is logged to the console. If an error occurs, an error message is logged to the console.

index.js

GitHub: arya177/choti_bachhi_ho_kya

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fs.mkdirSync(projectDirectory, { recursive: true });
fs.mkdirSync(projectDirectory + "/components", { recursive: true });
fs.mkdirSync(projectDirectory + "/pages/users", { recursive: true });
fs.mkdirSync(projectDirectory + "/pages/blog", { recursive: true });
fs.mkdirSync(projectDirectory + "/config", { recursive: true });
fs.cpSync(parentDirectory + "/styles", projectDirectory + "/styles", { recursive: true });
fs.copyFileSync(parentDirectory + "/_app.js", projectDirectory + "/pages/_app.js");
fs.copyFileSync(parentDirectory + "/fire-config.js", projectDirectory + "/config/fire-config.js");
fs.copyFileSync(parentDirectory + "/.env.local", projectDirectory + "/.env.local");
exec(`cd ${projectDirectory} && npm init -y`, (error, stdout, stderr) => { });

forge.config.js

GitHub: usama8800/SPT-EntryPointSelector

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  hooks: {
    postPackage: async (forgeConfig, options) => {
      console.log('Packages built at:', options.outputPaths);
      const outputPath = options.outputPaths[0];


      fs.cpSync(outputPath, path.resolve(__dirname, '../client'), { recursive: true });
    }
  }
};

index.cjs

GitHub: direcbase/direcbase-tools

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// A common approach to building a starter template is to
// create a `template` folder which will house the template
// and the files we want to create.
const templateDir = path.resolve(__dirname, '../project_template');
fs.cpSync(templateDir, projectDir, { recursive: true });

// Get executable path
let binaryFileName = "";
switch (os.platform()) {

fs-read.js

GitHub: Mike7323/Mike-s-construction

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}


// fs.cp
{
  assert.throws(() => {
    fs.cpSync(blockedFile, path.join(blockedFolder, 'any-other-file'));
  }, common.expectsError({
    code: 'ERR_ACCESS_DENIED',
    permission: 'FileSystemRead',
    // cpSync calls statSync before reading blockedFile

+ 3 other calls in file

fs-write.js

GitHub: Mike7323/Mike-s-construction

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}


// fs.cp
{
  assert.throws(() => {
    fs.cpSync(regularFile, path.join(blockedFolder, 'any-file'));
  }, common.expectsError({
    code: 'ERR_ACCESS_DENIED',
    permission: 'FileSystemWrite',
    resource: path.toNamespacedPath(path.join(blockedFolder, 'any-file')),

+ 3 other calls in file

Other functions in fs

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fs.readFileSync is the most popular function in fs (2736 examples)

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