eslint-utils

Appearance

Token utilities ​

isArrowToken / isNotArrowToken ​

js
utils.isArrowToken(token)
utils.isNotArrowToken(token)

Check whether a given token is a => token or not.

Examples ​

js
const { isArrowToken } = require("@eslint-community/eslint-utils")

module.exports = {
    meta: {},
    create(context) {
        const sourceCode = context.getSourceCode()

        return {
            ArrowFunctionExpression(node) {
                const arrowToken = sourceCode.getTokenBefore(node.body, isArrowToken)
            },
        }
    },
}

isClosingBraceToken / isNotClosingBraceToken ​

js
utils.isClosingBraceToken(token)
utils.isNotClosingBraceToken(token)

Check whether a given token is a } token or not.

isClosingBracketToken / isNotClosingBracketToken ​

js
utils.isClosingBracketToken(token)
utils.isNotClosingBracketToken(token)

Check whether a given token is a ] token or not.

isClosingParenToken / isNotClosingParenToken ​

js
utils.isClosingParenToken(token)
utils.isNotClosingParenToken(token)

Check whether a given token is a ) token or not.

isColonToken / isNotColonToken ​

js
utils.isColonToken(token)
utils.isNotColonToken(token)

Check whether a given token is a : token or not.

isCommaToken / isNotCommaToken ​

js
utils.isCommaToken(token)
utils.isNotCommaToken(token)

Check whether a given token is a , token or not.

isCommentToken / isNotCommentToken ​

js
utils.isCommentToken(token)
utils.isNotCommentToken(token)

Check whether a given token is a comment token or not.

isOpeningBraceToken / isNotOpeningBraceToken ​

js
utils.isOpeningBraceToken(token)
utils.isNotOpeningBraceToken(token)

Check whether a given token is a { token or not.

isOpeningBracketToken / isNotOpeningBracketToken ​

js
utils.isOpeningBracketToken(token)
utils.isNotOpeningBracketToken(token)

Check whether a given token is a [ token or not.

isOpeningParenToken / isNotOpeningParenToken ​

js
utils.isOpeningParenToken(token)
utils.isNotOpeningParenToken(token)

Check whether a given token is a ( token or not.

isSemicolonToken / isNotSemicolonToken ​

js
utils.isSemicolonToken(token)
utils.isNotSemicolonToken(token)

Check whether a given token is a ; token or not.