refactor: change separate tools by category

core/stdlib/src/math/basic/clamp/index.test.ts

@@ -0,0 +1,81 @@
+import { describe,it, expect } from 'vitest';
+import { clamp } from '.';
+
+describe('clamp', () => {
+  it('clamp a value within the given range', () => {
+    // value < min
+    expect(clamp(-10, 0, 100)).toBe(0);
+
+    // value > max
+    expect(clamp(200, 0, 100)).toBe(100);
+
+    // value within range
+    expect(clamp(50, 0, 100)).toBe(50);
+
+    // value at min
+    expect(clamp(0, 0, 100)).toBe(0);
+
+    // value at max
+    expect(clamp(100, 0, 100)).toBe(100);
+
+    // value at midpoint
+    expect(clamp(50, 100, 100)).toBe(100);
+  });
+
+  it('handle floating-point numbers correctly', () => {
+    // floating-point value within range
+    expect(clamp(3.14, 0, 5)).toBe(3.14);
+
+    // floating-point value < min
+    expect(clamp(-1.5, 0, 10)).toBe(0);
+
+    // floating-point value > max
+    expect(clamp(15.75, 0, 10)).toBe(10);
+  });
+
+  it('handle edge cases', () => {
+    // all values are the same
+    expect(clamp(5, 5, 5)).toBe(5);
+
+    // min > max
+    expect(clamp(10, 100, 50)).toBe(50);
+
+    // negative range and value
+    expect(clamp(-10, -100, -5)).toBe(-10);
+  });
+
+  it('handle NaN and Infinity', () => {
+    // value is NaN
+    expect(clamp(NaN, 0, 100)).toBe(NaN);
+
+    // min is NaN
+    expect(clamp(50, NaN, 100)).toBe(NaN);
+
+    // max is NaN
+    expect(clamp(50, 0, NaN)).toBe(NaN);
+
+    // value is Infinity
+    expect(clamp(Infinity, 0, 100)).toBe(100);
+
+    // min is Infinity
+    expect(clamp(50, Infinity, 100)).toBe(100);
+
+    // max is Infinity
+    expect(clamp(50, 0, Infinity)).toBe(50);
+
+    // min and max are Infinity
+    expect(clamp(50, Infinity, Infinity)).toBe(Infinity);
+
+    // value is -Infinity
+    expect(clamp(-Infinity, 0, 100)).toBe(0);
+
+    // min is -Infinity
+    expect(clamp(50, -Infinity, 100)).toBe(50);
+
+    // max is -Infinity
+    expect(clamp(50, 0, -Infinity)).toBe(-Infinity);
+
+    // min and max are -Infinity
+    expect(clamp(50, -Infinity, -Infinity)).toBe(-Infinity);
+  });
+});

core/stdlib/src/math/basic/clamp/index.ts

@@ -0,0 +1,15 @@
+/**
+ * @name clamp
+ * @category Math
+ * @description Clamps a number between a minimum and maximum value
+ * 
+ * @param {number} value The number to clamp
+ * @param {number} min Minimum value
+ * @param {number} max Maximum value
+ * @returns {number} The clamped number
+ *
+ * @since 0.0.1
+ */
+export function clamp(value: number, min: number, max: number) {
+  return Math.min(Math.max(value, min), max);
+}

core/stdlib/src/math/basic/lerp/index.test.ts

@@ -0,0 +1,61 @@
+import {describe, it, expect} from 'vitest';
+import {inverseLerp, lerp} from '.';
+
+describe('lerp', () => {
+  it('interpolates between two values', () => {
+    const result = lerp(0, 10, 0.5);
+    expect(result).toBe(5);
+  });
+
+  it('returns start value when t is 0', () => {
+    const result = lerp(0, 10, 0);
+    expect(result).toBe(0);
+  });
+
+  it('returns end value when t is 1', () => {
+    const result = lerp(0, 10, 1);
+    expect(result).toBe(10);
+  });
+
+  it('handles negative interpolation values', () => {
+    const result = lerp(0, 10, -0.5);
+    expect(result).toBe(-5);
+  });
+
+  it('handles interpolation values greater than 1', () => {
+    const result = lerp(0, 10, 1.5);
+    expect(result).toBe(15);
+  });
+});
+
+describe('inverseLerp', () => {
+  it('returns 0 when value is start', () => {
+    const result = inverseLerp(0, 10, 0);
+    expect(result).toBe(0);
+  });
+
+  it('returns 1 when value is end', () => {
+    const result = inverseLerp(0, 10, 10);
+    expect(result).toBe(1);
+  });
+
+  it('interpolates correctly between two values', () => {
+    const result = inverseLerp(0, 10, 5);
+    expect(result).toBe(0.5);
+  });
+
+  it('handles values less than start', () => {
+    const result = inverseLerp(0, 10, -5);
+    expect(result).toBe(-0.5);
+  });
+
+  it('handles values greater than end', () => {
+    const result = inverseLerp(0, 10, 15);
+    expect(result).toBe(1.5);
+  });
+
+  it('handles same start and end values', () => {
+    const result = inverseLerp(10, 10, 10);
+    expect(result).toBe(0);
+  });
+});

core/stdlib/src/math/basic/lerp/index.ts

@@ -0,0 +1,31 @@
+/**
+ * @name lerp
+ * @category Math
+ * @description Linearly interpolates between two values
+ *
+ * @param {number} start The start value
+ * @param {number} end The end value
+ * @param {number} t The interpolation value
+ * @returns {number} The interpolated value
+ *
+ * @since 0.0.2
+ */
+export function lerp(start: number, end: number, t: number) {
+  return start + t * (end - start);
+}
+
+/**
+ * @name inverseLerp
+ * @category Math
+ * @description Inverse linear interpolation between two values
+ *
+ * @param {number} start The start value
+ * @param {number} end The end value
+ * @param {number} value The value to interpolate
+ * @returns {number} The interpolated value
+ *
+ * @since 0.0.2
+ */
+export function inverseLerp(start: number, end: number, value: number) {
+  return start === end ? 0 : (value - start) / (end - start);
+}

core/stdlib/src/math/basic/remap/index.test.ts

@@ -0,0 +1,46 @@
+import {describe, expect, it} from 'vitest';
+import {remap} from '.';
+
+describe('remap', () => {
+  it('map values from one range to another', () => {
+    // value at midpoint
+    expect(remap(5, 0, 10, 0, 100)).toBe(50);
+
+    // value at min
+    expect(remap(0, 0, 10, 0, 100)).toBe(0);
+
+    // value at max
+    expect(remap(10, 0, 10, 0, 100)).toBe(100);
+
+    // value outside range (below)
+    expect(remap(-5, 0, 10, 0, 100)).toBe(0);
+
+    // value outside range (above)
+    expect(remap(15, 0, 10, 0, 100)).toBe(100);
+
+    // value at midpoint of negative range
+    expect(remap(75, 50, 100, -50, 50)).toBe(0);
+
+    // value at midpoint of negative range
+    expect(remap(-25, -50, 0, 0, 100)).toBe(50);
+  });
+
+  it('handle floating-point numbers correctly', () => {
+    // floating-point value
+    expect(remap(3.5, 0, 10, 0, 100)).toBe(35);
+
+    // positive floating-point ranges
+    expect(remap(1.25, 0, 2.5, 0, 100)).toBe(50);
+
+    // negative floating-point value
+    expect(remap(-2.5, -5, 0, 0, 100)).toBe(50);
+
+    // negative floating-point ranges
+    expect(remap(-1.25, -2.5, 0, 0, 100)).toBe(50);
+  });
+
+  it('handle edge cases', () => {
+    // input range is zero (should return output min)
+    expect(remap(5, 0, 0, 0, 100)).toBe(0);
+  });
+});

core/stdlib/src/math/basic/remap/index.ts

@@ -0,0 +1,25 @@
+import { clamp } from '../clamp';
+import {inverseLerp, lerp} from '../lerp';
+
+/**
+ * @name remap
+ * @category Math
+ * @description Map a value from one range to another
+ * 
+ * @param {number} value The value to map
+ * @param {number} in_min The minimum value of the input range
+ * @param {number} in_max The maximum value of the input range
+ * @param {number} out_min The minimum value of the output range
+ * @param {number} out_max The maximum value of the output range
+ * @returns {number} The mapped value
+ *
+ * @since 0.0.1
+ */
+export function remap(value: number, in_min: number, in_max: number, out_min: number, out_max: number) {
+  if (in_min === in_max)
+    return out_min;
+
+  const clampedValue = clamp(value, in_min, in_max);
+
+  return lerp(out_min, out_max, inverseLerp(in_min, in_max, clampedValue));
+}

core/stdlib/src/math/bigint/clampBigInt/index.test.ts

@@ -0,0 +1,35 @@
+import {describe, it, expect} from 'vitest';
+import {clampBigInt} from '.';
+
+describe('clampBigInt', () => {
+  it('clamp a value within the given range', () => {
+    // value < min
+    expect(clampBigInt(-10n, 0n, 100n)).toBe(0n);
+
+    // value > max
+    expect(clampBigInt(200n, 0n, 100n)).toBe(100n);
+
+    // value within range
+    expect(clampBigInt(50n, 0n, 100n)).toBe(50n);
+
+    // value at min
+    expect(clampBigInt(0n, 0n, 100n)).toBe(0n);
+
+    // value at max
+    expect(clampBigInt(100n, 0n, 100n)).toBe(100n);
+
+    // value at midpoint
+    expect(clampBigInt(50n, 100n, 100n)).toBe(100n);
+  });
+
+  it('handle edge cases', () => {
+    // all values are the same
+    expect(clampBigInt(5n, 5n, 5n)).toBe(5n);
+
+    // min > max
+    expect(clampBigInt(10n, 100n, 50n)).toBe(50n);
+
+    // negative range and value
+    expect(clampBigInt(-10n, -100n, -5n)).toBe(-10n);
+  });
+});

core/stdlib/src/math/bigint/clampBigInt/index.ts

@@ -0,0 +1,18 @@
+import {minBigInt} from '../minBigInt';
+import {maxBigInt} from '../maxBigInt';
+
+/**
+ * @name clampBigInt
+ * @category Math
+ * @description Clamps a bigint between a minimum and maximum value
+ *
+ * @param {bigint} value The number to clamp
+ * @param {bigint} min Minimum value
+ * @param {bigint} max Maximum value
+ * @returns {bigint} The clamped number
+ *
+ * @since 0.0.2
+ */
+export function clampBigInt(value: bigint, min: bigint, max: bigint) {
+  return minBigInt(maxBigInt(value, min), max);
+}

core/stdlib/src/math/bigint/lerpBigInt/index.test.ts

@@ -0,0 +1,83 @@
+import {describe, it, expect} from 'vitest';
+import {inverseLerpBigInt, lerpBigInt} from '.';
+
+const MAX_SAFE_INTEGER = BigInt(Number.MAX_SAFE_INTEGER);
+
+describe('lerpBigInt', () => {
+  it('interpolates between two bigint values', () => {
+    const result = lerpBigInt(0n, 10n, 0.5);
+    expect(result).toBe(5n);
+  });
+
+  it('returns start value when t is 0', () => {
+    const result = lerpBigInt(0n, 10n, 0);
+    expect(result).toBe(0n);
+  });
+
+  it('returns end value when t is 1', () => {
+    const result = lerpBigInt(0n, 10n, 1);
+    expect(result).toBe(10n);
+  });
+
+  it('handles negative interpolation values', () => {
+    const result = lerpBigInt(0n, 10n, -0.5);
+    expect(result).toBe(-5n);
+  });
+
+  it('handles interpolation values greater than 1', () => {
+    const result = lerpBigInt(0n, 10n, 1.5);
+    expect(result).toBe(15n);
+  });
+});
+
+describe('inverseLerpBigInt', () => {
+  it('returns 0 when value is start', () => {
+    const result = inverseLerpBigInt(0n, 10n, 0n);
+    expect(result).toBe(0);
+  });
+
+  it('returns 1 when value is end', () => {
+    const result = inverseLerpBigInt(0n, 10n, 10n);
+    expect(result).toBe(1);
+  });
+
+  it('interpolates correctly between two bigint values', () => {
+    const result = inverseLerpBigInt(0n, 10n, 5n);
+    expect(result).toBe(0.5);
+  });
+
+  it('handles values less than start', () => {
+    const result = inverseLerpBigInt(0n, 10n, -5n);
+    expect(result).toBe(-0.5);
+  });
+
+  it('handles values greater than end', () => {
+    const result = inverseLerpBigInt(0n, 10n, 15n);
+    expect(result).toBe(1.5);
+  });
+
+  it('handles same start and end values', () => {
+    const result = inverseLerpBigInt(10n, 10n, 10n);
+    expect(result).toBe(0);
+  });
+
+  it('handles the maximum safe integer correctly', () => {
+    const result = inverseLerpBigInt(0n, MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);
+    expect(result).toBe(1);
+  });
+
+  it('handles values just above the maximum safe integer correctly', () => {
+    const result = inverseLerpBigInt(0n, MAX_SAFE_INTEGER, 0n);
+    expect(result).toBe(0);
+  });
+
+  it('handles values just below the maximum safe integer correctly', () => {
+    const result = inverseLerpBigInt(0n, MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);
+    expect(result).toBe(1);
+  });
+
+  it('handles values just above the maximum safe integer correctly', () => {
+    const result = inverseLerpBigInt(0n, 2n ** 128n, 2n ** 127n);
+    expect(result).toBe(0.5);
+  });
+});

core/stdlib/src/math/bigint/lerpBigInt/index.ts

@@ -0,0 +1,31 @@
+/**
+ * @name lerpBigInt
+ * @category Math
+ * @description Linearly interpolates between bigint values
+ *
+ * @param {bigint} start The start value
+ * @param {bigint} end The end value
+ * @param {number} t The interpolation value
+ * @returns {bigint} The interpolated value
+ *
+ * @since 0.0.2
+ */
+export function lerpBigInt(start: bigint, end: bigint, t: number) {
+  return start + ((end - start) * BigInt(t * 10000)) / 10000n;
+}
+
+/**
+ * @name inverseLerpBigInt
+ * @category Math
+ * @description Inverse linear interpolation between two bigint values
+ *
+ * @param {bigint} start The start value
+ * @param {bigint} end The end value
+ * @param {bigint} value The value to interpolate
+ * @returns {number} The interpolated value
+ *
+ * @since 0.0.2
+ */
+export function inverseLerpBigInt(start: bigint, end: bigint, value: bigint) {
+  return start === end ? 0 : Number((value - start) * 10000n / (end - start)) / 10000;
+}

core/stdlib/src/math/bigint/maxBigInt/index.test.ts

@@ -0,0 +1,39 @@
+import { describe, it, expect } from 'vitest';
+import { maxBigInt } from '.';
+
+describe('maxBigInt', () => {
+  it('returns -Infinity when no values are provided', () => {
+    expect(() => maxBigInt()).toThrow(new TypeError('maxBigInt requires at least one argument'));
+  });
+
+  it('returns the largest value from a list of positive bigints', () => {
+    const result = maxBigInt(10n, 20n, 5n, 15n);
+    expect(result).toBe(20n);
+  });
+
+  it('returns the largest value from a list of negative bigints', () => {
+    const result = maxBigInt(-10n, -20n, -5n, -15n);
+    expect(result).toBe(-5n);
+  });
+
+  it('returns the largest value from a list of mixed positive and negative bigints', () => {
+    const result = maxBigInt(10n, -20n, 5n, -15n);
+    expect(result).toBe(10n);
+  });
+
+  it('returns the value itself when only one bigint is provided', () => {
+    const result = maxBigInt(10n);
+    expect(result).toBe(10n);
+  });
+
+  it('returns the largest value when all values are the same', () => {
+    const result = maxBigInt(10n, 10n, 10n);
+    expect(result).toBe(10n);
+  });
+
+  it('handles a large number of bigints', () => {
+    const values = Array.from({ length: 1000 }, (_, i) => BigInt(i));
+    const result = maxBigInt(...values);
+    expect(result).toBe(999n);
+  });
+});

core/stdlib/src/math/bigint/maxBigInt/index.ts

@@ -0,0 +1,17 @@
+/**
+ * @name maxBigInt
+ * @category Math
+ * @description Like `Math.max` but for BigInts
+ *
+ * @param {...bigint} values The values to compare
+ * @returns {bigint} The largest value
+ * @throws {TypeError} If no arguments are provided
+ *
+ * @since 0.0.2
+ */
+export function maxBigInt(...values: bigint[]) {
+  if (!values.length)
+    throw new TypeError('maxBigInt requires at least one argument');
+
+  return values.reduce((acc, val) => val > acc ? val : acc);
+}

core/stdlib/src/math/bigint/minBigInt/index.test.ts

@@ -0,0 +1,39 @@
+import {describe, it, expect} from 'vitest';
+import {minBigInt} from '.';
+
+describe('minBigInt', () => {
+  it('returns Infinity when no values are provided', () => {
+    expect(() => minBigInt()).toThrow(new TypeError('minBigInt requires at least one argument'));
+  });
+
+  it('returns the smallest value from a list of positive bigints', () => {
+    const result = minBigInt(10n, 20n, 5n, 15n);
+    expect(result).toBe(5n);
+  });
+
+  it('returns the smallest value from a list of negative bigints', () => {
+    const result = minBigInt(-10n, -20n, -5n, -15n);
+    expect(result).toBe(-20n);
+  });
+
+  it('returns the smallest value from a list of mixed positive and negative bigints', () => {
+    const result = minBigInt(10n, -20n, 5n, -15n);
+    expect(result).toBe(-20n);
+  });
+
+  it('returns the value itself when only one bigint is provided', () => {
+    const result = minBigInt(10n);
+    expect(result).toBe(10n);
+  });
+
+  it('returns the smallest value when all values are the same', () => {
+    const result = minBigInt(10n, 10n, 10n);
+    expect(result).toBe(10n);
+  });
+
+  it('handles a large number of bigints', () => {
+    const values = Array.from({length: 1000}, (_, i) => BigInt(i));
+    const result = minBigInt(...values);
+    expect(result).toBe(0n);
+  });
+});

core/stdlib/src/math/bigint/minBigInt/index.ts

@@ -0,0 +1,17 @@
+/**
+ * @name minBigInt
+ * @category Math
+ * @description Like `Math.min` but for BigInts
+ *
+ * @param {...bigint} values The values to compare
+ * @returns {bigint} The smallest value
+ * @throws {TypeError} If no arguments are provided
+ *
+ * @since 0.0.2
+ */
+export function minBigInt(...values: bigint[]) {
+  if (!values.length)
+    throw new TypeError('minBigInt requires at least one argument');
+
+  return values.reduce((acc, val) => val < acc ? val : acc);
+}

core/stdlib/src/math/bigint/remapBigInt/index.test.ts

@@ -0,0 +1,32 @@
+import {describe, expect, it} from 'vitest';
+import {remapBigInt} from '.';
+
+describe('remapBigInt', () => {
+  it('map values from one range to another', () => {
+    // value at midpoint
+    expect(remapBigInt(5n, 0n, 10n, 0n, 100n)).toBe(50n);
+
+    // value at min
+    expect(remapBigInt(0n, 0n, 10n, 0n, 100n)).toBe(0n);
+
+    // value at max
+    expect(remapBigInt(10n, 0n, 10n, 0n, 100n)).toBe(100n);
+
+    // value outside range (below)
+    expect(remapBigInt(-5n, 0n, 10n, 0n, 100n)).toBe(0n);
+
+    // value outside range (above)
+    expect(remapBigInt(15n, 0n, 10n, 0n, 100n)).toBe(100n);
+
+    // value at midpoint of negative range
+    expect(remapBigInt(75n, 50n, 100n, -50n, 50n)).toBe(0n);
+
+    // value at midpoint of negative range
+    expect(remapBigInt(-25n, -50n, 0n, 0n, 100n)).toBe(50n);
+  });
+
+  it('handle edge cases', () => {
+    // input range is zero (should return output min)
+    expect(remapBigInt(5n, 0n, 0n, 0n, 100n)).toBe(0n);
+  });
+});

core/stdlib/src/math/bigint/remapBigInt/index.ts

@@ -0,0 +1,25 @@
+import { clampBigInt } from '../clampBigInt';
+import {inverseLerpBigInt, lerpBigInt} from '../lerpBigInt';
+
+/**
+ * @name remapBigInt
+ * @category Math
+ * @description Map a bigint value from one range to another
+ * 
+ * @param {bigint} value The value to map
+ * @param {bigint} in_min The minimum value of the input range
+ * @param {bigint} in_max The maximum value of the input range
+ * @param {bigint} out_min The minimum value of the output range
+ * @param {bigint} out_max The maximum value of the output range
+ * @returns {bigint} The mapped value
+ *
+ * @since 0.0.1
+ */
+export function remapBigInt(value: bigint, in_min: bigint, in_max: bigint, out_min: bigint, out_max: bigint) {
+  if (in_min === in_max)
+    return out_min;
+
+  const clampedValue = clampBigInt(value, in_min, in_max);
+
+  return lerpBigInt(out_min, out_max, inverseLerpBigInt(in_min, in_max, clampedValue));
+}

core/stdlib/src/math/index.ts

@@ -0,0 +1,9 @@
+export * from './basic/clamp';
+export * from './basic/lerp';
+export * from './basic/remap';
+
+export * from './bigint/clampBigInt';
+export * from './bigint/lerpBigInt';
+export * from './bigint/maxBigInt';
+export * from './bigint/minBigInt';
+export * from './bigint/remapBigInt';