Check if provided string is an `IdentifierName` as specified in ECMA262 edition 5.1 section 7.6.
npm install @prettier/is-es5-identifier-name> Check if provided string is an IdentifierName as specified in ECMA262 edition 5.1 section 7.6.
``bash`
yarn add @prettier/is-es5-identifier-name
`js
import isEs5IdentifierName from "@prettier/is-es5-identifier-name";
isEs5IdentifierName("prettier");
// -> true
isEs5IdentifierName("16");
// -> false
``