mirror of
https://github.com/excalidraw/excalidraw.git
synced 2025-05-03 10:00:07 -04:00
build: decouple package deps and introduce yarn workspaces (#7415)
* feat: decouple package deps and introduce yarn workspaces * update root directory * fix * fix scripts * fix lint * update path in scripts * remove yarn.lock files from packages * ignore workspace * dummy * dummy * remove comment check * revert workflow changes * ignore ws when installing gh actions * remove log * update path * fix * fix typo
This commit is contained in:
parent
b7d7ccc929
commit
d6cd8b78f1
567 changed files with 5066 additions and 8648 deletions
15
packages/excalidraw/gesture.ts
Normal file
15
packages/excalidraw/gesture.ts
Normal file
|
@ -0,0 +1,15 @@
|
|||
import { PointerCoords } from "./types";
|
||||
|
||||
export const getCenter = (pointers: Map<number, PointerCoords>) => {
|
||||
const allCoords = Array.from(pointers.values());
|
||||
return {
|
||||
x: sum(allCoords, (coords) => coords.x) / allCoords.length,
|
||||
y: sum(allCoords, (coords) => coords.y) / allCoords.length,
|
||||
};
|
||||
};
|
||||
|
||||
export const getDistance = ([a, b]: readonly PointerCoords[]) =>
|
||||
Math.hypot(a.x - b.x, a.y - b.y);
|
||||
|
||||
const sum = <T>(array: readonly T[], mapper: (item: T) => number): number =>
|
||||
array.reduce((acc, item) => acc + mapper(item), 0);
|
Loading…
Add table
Add a link
Reference in a new issue