Function matchObjectShape

tests/utils/test-runner.mjs:75–118

(a, b)

/** @param {any} a @param {import('./types.d.ts').ObjectShape} b */
export function matchObjectShape(a, b) {
  if (typeof a !== "object" || typeof b !== "object") {
    return false;
  }

  const aKeys = Object.keys(a).sort();
  const bKeys = Object.keys(b).sort();
  if (aKeys.toString() !== bKeys.toString()) {
    return false;
  }

  for (const key of aKeys) {
    if (a[key] === undefined || b[key] === undefined) {
      return false;
    }

    if (b[key] === Function && typeof a[key] === "function") {
      continue;
    }
    if (b[key] === Object && typeof a[key] === "object") {
      continue;
    }
    if (b[key] === Number && typeof a[key] === "number") {
      continue;
    }
    if (b[key] === String && typeof a[key] === "string") {
      continue;
    }
    if (b[key] === Boolean && typeof a[key] === "boolean") {
      continue;
    }
    if (b[key] === WebAssembly.Memory && a[key] instanceof WebAssembly.Memory) {
      continue;
    }
    // @ts-ignore
    if (typeof a[key] === "object" && matchObjectShape(a[key], b[key])) {
      continue;
    }

    return false;
  }

  return true;
}

/** @param {() => any} fn */
export function throws(fn) {