@gravityforms/gulp-tasks/src/utils/generate-sha-1.js

Configurable Gulp tasks for use in Gravity Forms projects.

const crypto = require( 'crypto' );
const fs = require( 'fs' );

/**
 * Generates a SHA-1 hash for a file.
 * @param {string} filePath - The path to the file.
 * @returns {Promise<string>} A promise that resolves with the hex-encoded SHA-1 hash.
 */
function generateSha1( filePath ) {
	return new Promise( ( resolve, reject ) => {
		const hash = crypto.createHash( 'sha1' );
		const stream = fs.createReadStream( filePath );
		stream.on( 'data', ( chunk ) => hash.update( chunk ) );
		stream.on( 'end', () => resolve( hash.digest( 'hex' ) ) );
		stream.on( 'error', ( err ) => reject( err ) );
	} );
}

module.exports = generateSha1;