estree-util-is-identifier-name

estree-util-is-identifier-name

Check if something can be an identifier name.

Install

npm:

npm install estree-util-is-identifier-name

Use

var isIdentifierName = require('estree-util-is-identifier-name')

isIdentifierName.name('$something69') // => true
isIdentifierName.name('69') // => false
isIdentifierName.name('var') // => true (this does not handle keywords)

isIdentifierName.start(48) // => false (character code for `0`)
isIdentifierName.cont(48) // => true (character code for `0`)

API

isIdentifierName.name(value)

Checks if the given string is a valid identifier name.

isIdentifierName.start(code)

Checks if the given character code can start an identifier.

isIdentifierName.cont(code)

Checks if the given character code can continue an identifier.

Related

• goto-bus-stop/estree-is-identifier — check if an AST node is an identifier

License

MIT © Titus Wormer