no-fdescribe-or-fit-rule.ts

import { AbstractWalker } from 'tslint';
import { forEachChild, Node, SourceFile, SyntaxKind } from 'typescript';

const FAILURE_MESSAGE = (filter: string) => `
    Remember to remove "${filter}" once you have finished working on tests.
`;

class NoFDescribeOrFItWalker extends AbstractWalker {
    public walk (sourceFile: SourceFile) {
        const walkNode = (node: Node): void => {
            if (node.kind === SyntaxKind.CallExpression) {
                if (node.expression.kind === SyntaxKind.Identifier) {
                    if (node.name === 'fdescribe' || node.name === 'fit') {
                        this.addFailureAtNode(node, FAILURE_MESSAGE(text));
                    }
                }
            }
            return forEachChild(node, walkNode);
        };
        return forEachChild(sourceFile, walkNode);
    }
}