Function makeLegalIdentifier

packages/pluginutils/src/makeLegalIdentifier.ts:11–21

(str)

forbiddenIdentifiers.add('');

const makeLegalIdentifier: MakeLegalIdentifier = function makeLegalIdentifier(str) {
  let identifier = str
    .replace(/-(\w)/g, (_, letter) => letter.toUpperCase())
    .replace(/[^$_a-zA-Z0-9]/g, '_');

  if (/\d/.test(identifier[0]) || forbiddenIdentifiers.has(identifier)) {
    identifier = `_${identifier}`;
  }

  return identifier || '_';
};

export { makeLegalIdentifier as default };