feat(math): add safeDiv() (from @nkint PR #206)

thi-ng · Feb 23, 2020 · 0567b93 · 0567b93
1 parent c821c63
commit 0567b93
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/packages/math/src/index.ts b/packages/math/src/index.ts
@@ -11,5 +11,6 @@ export * from "./min-error";
 export * from "./mix";
 export * from "./prec";
 export * from "./ratio";
+export * from "./safe-div";
 export * from "./solve";
 export * from "./step";
diff --git a/packages/math/src/safe-div.ts b/packages/math/src/safe-div.ts
@@ -0,0 +1,7 @@
+/**
+ * Returns `a` divided by `b` or zero if `b = 0`.
+ *
+ * @param a
+ * @param b
+ */
+export const safeDiv = (a: number, b: number) => (b !== 0 ? a / b : 0);