replace-in-file

import { replaceInFile } from 'replace-in-file'; import * as path from 'path'; import * as fs from 'fs'; // Create a dummy file for the example const dummyFilePath = path.resolve(__dirname, 'temp-example.txt'); fs.writeFileSync(dummyFilePath, 'Hello foo world! Foo bar. This is foo again.'); async function runReplacement() { const options = { files: dummyFilePath, from: /foo/g, to: 'bar', countMatches: true // Show matches and replacements info }; try { console.log(`Initial content of ${path.basename(dummyFilePath)}:`); console.log(fs.readFileSync(dummyFilePath, 'utf8')); const results = await replaceInFile(options); console.log('\nReplacement results:', results); // Expected output similar to: // [ // { // file: '/path/to/temp-example.txt', // hasChanged: true, // numMatches: 3, // numReplacements: 3 // } // ] console.log(`\nContent after replacement in ${path.basename(dummyFilePath)}:`); console.log(fs.readFileSync(dummyFilePath, 'utf8')); // Should be "Hello bar world! Bar bar. This is bar again." } catch (error) { console.error('Error occurred:', error); } finally { // Clean up the dummy file fs.unlinkSync(dummyFilePath); console.log(`\nCleaned up ${path.basename(dummyFilePath)}`); } } runReplacement();