eslint-plugin-mocha/mocha/callback-parameter.js

Eslint rules for mocha.

import { isIdentifier } from "../ast/node-types.js";
function isTypeScriptThisParameter(param) {
    return param !== undefined && isIdentifier(param) && param.name === 'this';
}
export function getFirstMeaningfulParameter(node) {
    const [firstParam, secondParam] = node.params;
    return isTypeScriptThisParameter(firstParam) ? secondParam : firstParam;
}
export function getIdentifierCallbackParameter(node) {
    const callbackParameter = getFirstMeaningfulParameter(node);
    return callbackParameter?.type === 'Identifier' ? callbackParameter : undefined;
}
export function hasCallbackParameter(node) {
    return getFirstMeaningfulParameter(node) !== undefined;
}
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