import * as utils from "../utils";
import { base } from "./base";
import { evaluate } from "typescript-misc";

export const noBooleanLiteralType = evaluate(() => {
  const prefix =
    "TSPropertySignature[optional=true] > TSTypeAnnotation > TSLiteralType.typeAnnotation";

  return utils.wrapRule({
    rule: base["no-restricted-syntax"],
    options: [
      {
        message: 'Use "boolean" type instead',
        selector: [
          `${prefix} > Literal[value=true]`,
          `${prefix} > Literal[value=false]`
        ]
      }
    ],
    docs: {
      description: "Disallows boolean literal type.",
      failExamples: `
        interface I {
          x?: true;
          y?: false;
        }
      `,
      passExamples: `
        interface I {
          x?: boolean;
        }
      `
    }
  });
});