From 3e91170ff3fa11d113e3ec30d8bd7b61061fcaff Mon Sep 17 00:00:00 2001 From: aisha Date: Sun, 31 Aug 2025 16:03:06 +0300 Subject: [PATCH 1/2] Fix issue #2 type-safe: Fibonacci function in fib.ts --- src/fib.ts | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/fib.ts b/src/fib.ts index 8dc8ddd..90e28d2 100644 --- a/src/fib.ts +++ b/src/fib.ts @@ -1,12 +1,12 @@ -// util function that computes the fibonacci numbers -module.exports = function fibonacci(n) { +// util function that computes the Fibonacci numbers +export function fibonacci(n: number): number { if (n < 0) { - return -1; - } else if (n == 0) { + return -1; // invalid input + } else if (n === 0) { return 0; - } else if (n == 1) { + } else if (n === 1) { return 1; } return fibonacci(n - 1) + fibonacci(n - 2); -}; +} From a6a4321d4a4150f3d3fbe7bbf4d8a716f2ca209e Mon Sep 17 00:00:00 2001 From: aisha Date: Sun, 31 Aug 2025 16:19:46 +0300 Subject: [PATCH 2/2] Fix issue #2 type-safe: Fibonacci function in fib.ts --- src/fib.ts | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/src/fib.ts b/src/fib.ts index 90e28d2..8160d75 100644 --- a/src/fib.ts +++ b/src/fib.ts @@ -1,12 +1,10 @@ // util function that computes the Fibonacci numbers + export function fibonacci(n: number): number { - if (n < 0) { - return -1; // invalid input - } else if (n === 0) { - return 0; - } else if (n === 1) { - return 1; - } + if (n < 0) return -1; + if (n === 0) return 0; + if (n === 1) return 1; return fibonacci(n - 1) + fibonacci(n - 2); } +