testCycleMatesArentImportsToLint

tcmts.cli.lint.testCycleMatesArentImportsToLint · #mdhtm3oi · term

import { apartFromItsCycle } from "#codebase/tcmts/cli/lint";

export const testCycleMatesArentImportsToLint = () => {
  const text =
    'import { counter } from "#codebase/lib";\nexport function bump() { counter = 1; }\n';
  const mates = new Set(["counter"]);
  const at = (s: string) => text.indexOf(s);
  const assign = {
    rule: "eslint(no-import-assign)",
    message: "Do not assign to imported bindings",
    start: at("counter = 1"),
  };
  const unused = {
    rule: "eslint(no-unused-vars)",
    message: "Identifier 'counter' is imported but never used.",
    start: at("counter }"),
  };
  const other = {
    rule: "eslint(no-unused-vars)",
    message: "Variable 'x' is declared but never used.",
    start: at("bump"),
  };
  if (!apartFromItsCycle(assign, text, mates) || !apartFromItsCycle(unused, text, mates))
    throw new Error("a cycle-mate's findings are kept");
  if (apartFromItsCycle(other, text, mates)) throw new Error("another finding is dropped");
  if (apartFromItsCycle(assign, text, new Set())) throw new Error("dropped with no cycle");
}

uses

• tcmts.cli.lint.apartFromItsCycle