refactor(geom-poly-utils): update type usage

thi-ng · Apr 19, 2024 · 7f59e91 · 7f59e91
1 parent a1dbad0
commit 7f59e91
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/packages/geom-poly-utils/src/circumcenter.ts b/packages/geom-poly-utils/src/circumcenter.ts
@@ -1,3 +1,4 @@
+import type { Maybe } from "@thi.ng/api";
 import { EPS } from "@thi.ng/math/api";
 import type { ReadonlyVec, Vec } from "@thi.ng/vectors";
 import { add3 } from "@thi.ng/vectors/add";
@@ -22,7 +23,7 @@ export const circumCenter2 = (
 	b: ReadonlyVec,
 	c: ReadonlyVec,
 	eps = EPS
-): Vec | undefined => {
+): Maybe<Vec> => {
 	const ax = a[0],
 		ay = a[1];
 	const bx = b[0],
@@ -87,7 +88,7 @@ export const circumCenter3 = (
 	b: ReadonlyVec,
 	c: ReadonlyVec,
 	eps = EPS
-): Vec | undefined => {
+): Maybe<Vec> => {
 	const ab = sub3([], b, a);
 	const ac = sub3([], c, a);
 	const d = cross3([], ab, ac);

diff --git a/packages/geom-poly-utils/src/tangent.ts b/packages/geom-poly-utils/src/tangent.ts
@@ -1,3 +1,4 @@
+import type { Maybe } from "@thi.ng/api";
 import { EPS } from "@thi.ng/math/api";
 import type { ReadonlyVec, Vec } from "@thi.ng/vectors";
 import { addmN } from "@thi.ng/vectors/addmn";
@@ -64,8 +65,8 @@ export const smoothTangents = (
 	const res: Vec[] = [];
 	const n = pts.length - 1;
 	if (n < 1) return res;
-	let prev: Vec | undefined;
-	let plen: number | undefined;
+	let prev: Maybe<Vec>;
+	let plen: Maybe<number>;
 	if (close) {
 		prev = sub([], pts[0], pts[n]);
 		plen = mag(prev!);