feat: Implement clamp function and add tests for value bounding

packages/build/src/config.ts

@@ -1,7 +1,7 @@
 import { join } from 'node:path'
 import { root } from './root.ts'
 
-export const threshold = 600_000
+export const threshold = 620_000
 
 export const instantiations = 200_000
 

packages/chat-debug-view/src/parts/Clamp/Clamp.ts

@@ -0,0 +1,3 @@
+export const clamp = (value: number, minimum: number, maximum: number): number => {
+  return Math.max(minimum, Math.min(value, maximum))
+}

packages/chat-debug-view/src/parts/GetNormalizedRange/GetNormalizedRange.ts

@@ -1,3 +1,4 @@
+import { clamp } from '../Clamp/Clamp.ts'
 import { parseTimelineSeconds } from '../ParseTimelineSeconds/ParseTimelineSeconds.ts'
 import { roundSeconds } from '../RoundSeconds/RoundSeconds.ts'
 
@@ -19,8 +20,10 @@ export const getNormalizedRange = (durationSeconds: number, startValue: string,
   }
   const rawStart = parsedStart ?? 0
   const rawEnd = parsedEnd ?? durationSeconds
-  const normalizedStart = Math.max(0, Math.min(durationSeconds, Math.min(rawStart, rawEnd)))
-  const normalizedEnd = Math.max(0, Math.min(durationSeconds, Math.max(rawStart, rawEnd)))
+  const rangeStart = Math.min(rawStart, rawEnd)
+  const rangeEnd = Math.max(rawStart, rawEnd)
+  const normalizedStart = clamp(rangeStart, 0, durationSeconds)
+  const normalizedEnd = clamp(rangeEnd, 0, durationSeconds)
   return {
     endSeconds: roundSeconds(normalizedEnd),
     hasSelection: true,

packages/chat-debug-view/test/Clamp.test.ts

@@ -0,0 +1,8 @@
+import { expect, test } from '@jest/globals'
+import { clamp } from '../src/parts/Clamp/Clamp.ts'
+
+test('clamp should keep values inside the given bounds', () => {
+  expect(clamp(5, 0, 10)).toBe(5)
+  expect(clamp(-1, 0, 10)).toBe(0)
+  expect(clamp(12, 0, 10)).toBe(10)
+})