refactor: packages/

1 files changed, 33 insertions, 0 deletions

diff --git a/packages/math/utils.ts b/packages/math/utils.ts
new file mode 100644
index 0000000..8807c27
--- /dev/null
+++ b/packages/math/utils.ts
@@ -0,0 +1,33 @@
+export const PRECISION = 10e-5;
+
+export const clamp = (value: number, min: number, max: number) => {
+  return Math.min(Math.max(value, min), max);
+};
+
+export const round = (
+  value: number,
+  precision: number,
+  func: "round" | "floor" | "ceil" = "round",
+) => {
+  const multiplier = Math.pow(10, precision);
+
+  return Math[func]((value + Number.EPSILON) * multiplier) / multiplier;
+};
+
+export const roundToStep = (
+  value: number,
+  step: number,
+  func: "round" | "floor" | "ceil" = "round",
+): number => {
+  const factor = 1 / step;
+  return Math[func](value * factor) / factor;
+};
+
+export const average = (a: number, b: number) => (a + b) / 2;
+
+export const isFiniteNumber = (value: any): value is number => {
+  return typeof value === "number" && Number.isFinite(value);
+};
+
+export const isCloseTo = (a: number, b: number, precision = PRECISION) =>
+  Math.abs(a - b) < precision;