@lou.codes/test/dist/isTest.js

✅ Equality test with enforced readability

/**
 * Check if given value is a `Test`.
 *
 * @category Test
 * @example
 * ```typescript
 * isTest({ given: "🟢", must: "🟩", received: () => "🟩", wanted: () => "🟩" }); // true
 * isTest({ given: "🟢", must: "🟩", received: "🟩", wanted: "🟩" }); // false
 * isTest({ given: 1, must: 2, received: 3, wanted: 4 }); // false
 * isTest(); // false
 * ```
 * @param value Value to check.
 * @returns `true` if is a `Test`, `false` otherwise.
 */
export const isTest = (value) => 
// eslint-disable-next-line unicorn/no-null
value !== null &&
    typeof value === "object" &&
    "given" in value &&
    typeof value.given === "string" &&
    "must" in value &&
    typeof value.must === "string" &&
    "received" in value &&
    typeof value.received === "function" &&
    "wanted" in value &&
    typeof value.wanted === "function";