to-valid-identifier

Convert a string to a valid JavaScript identifier

Install

npm install to-valid-identifier

Usage

import toValidIdentifier from 'to-valid-identifier';

toValidIdentifier('foo');
//=> 'foo'

toValidIdentifier('foo-bar');
//=> 'foo$j$bar'

toValidIdentifier('$');
//=> '$a$'

toValidIdentifier('undefined');
//=> '$_undefined$'

API

toValidIdentifier(string)

Convert the given string to a valid JavaScript identifier.

Different inputs will always generate unique identifiers.

Use cases

• Code Generation: Automate safe variable naming in scripts, avoiding syntax errors from invalid characters.
• Compilers/Transpilers: Essential for non-JavaScript languages compiling to JavaScript, ensuring that identifiers are compliant.
• Dynamic Function Names: Generate unique and valid function names from dynamic content such as user inputs or database fields.
• API Wrappers: Convert API response properties into valid JavaScript object keys for easier access.
• Template Processing: Ensure template placeholders are converted to valid JavaScript identifiers when replaced with dynamic values.

Related

• is-identifier - Check if a string is a valid JavaScript identifier