build(deps): bump postcss from 8.4.14 to 8.4.31 in /dev-docs

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.14 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.14...8.4.31)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

dev-docs/yarn.lock

@@ -5189,10 +5189,10 @@ multicast-dns@^7.2.5:
     dns-packet "^5.2.2"
     thunky "^1.0.2"
 
-nanoid@^3.3.4:
+nanoid@^3.3.6:
-  version "3.3.4"
+  version "3.3.6"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.6.tgz#443380c856d6e9f9824267d960b4236ad583ea4c"
-  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
+  integrity sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==
 
 negotiator@0.6.3:
   version "0.6.3"
@@ -5853,11 +5853,11 @@ postcss-zindex@^5.1.0:
   integrity sha512-fgFMf0OtVSBR1va1JNHYgMxYk73yhn/qb4uQDq1DLGYolz8gHCyr/sesEuGUaYs58E3ZJRcpoGuPVoB7Meiq9A==
 
 postcss@^8.3.11, postcss@^8.4.13, postcss@^8.4.14, postcss@^8.4.7:
-  version "8.4.14"
+  version "8.4.31"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.14.tgz#ee9274d5622b4858c1007a74d76e42e56fd21caf"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
-  integrity sha512-E398TUmfAYFPBSdzgeieK2Y1+1cpdxJx8yXbK/m57nRhKSmk1GB2tO4lbLBtlkfPQTDKfe4Xqv1ASWPpayPEig==
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
   dependencies:
-    nanoid "^3.3.4"
+    nanoid "^3.3.6"
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 

src/components/LaserTool/LaserPathManager.ts

@@ -91,7 +91,7 @@ export class LaserPathManager {
   private collaboratorsState: Map<string, CollabolatorState> = new Map();
 
   private rafId: number | undefined;
-  private isDrawing = false;
+  private lastUpdate = 0;
   private container: SVGSVGElement | undefined;
 
   constructor(private app: App) {
@@ -100,7 +100,7 @@ export class LaserPathManager {
 
   destroy() {
     this.stop();
-    this.isDrawing = false;
+    this.lastUpdate = 0;
     this.ownState = instantiateCollabolatorState();
     this.collaboratorsState = new Map();
   }
@@ -127,7 +127,7 @@ export class LaserPathManager {
   }
 
   private updatePath(state: CollabolatorState) {
-    this.isDrawing = true;
+    this.lastUpdate = performance.now();
 
     if (!this.isRunning) {
       this.start();
@@ -160,7 +160,7 @@ export class LaserPathManager {
 
     this.updateCollabolatorsState();
 
-    if (this.isDrawing) {
+    if (performance.now() - this.lastUpdate < DECAY_TIME * 2) {
       this.update();
     } else {
       this.isRunning = false;
@@ -250,8 +250,6 @@ export class LaserPathManager {
       return;
     }
 
-    let somePathsExist = false;
-
     for (const [key, state] of this.collaboratorsState.entries()) {
       if (!this.app.state.collaborators.has(key)) {
         state.svg.remove();
@@ -271,10 +269,6 @@ export class LaserPathManager {
         paths += ` ${this.draw(state.currentPath)}`;
       }
 
-      if (paths.trim()) {
-        somePathsExist = true;
-      }
-
       state.svg.setAttribute("d", paths);
       state.svg.setAttribute("fill", getClientColor(key));
     }
@@ -293,17 +287,7 @@ export class LaserPathManager {
       paths += ` ${this.draw(this.ownState.currentPath)}`;
     }
 
-    paths = paths.trim();
-
-    if (paths) {
-      somePathsExist = true;
-    }
-
     this.ownState.svg.setAttribute("d", paths);
     this.ownState.svg.setAttribute("fill", "red");
-
-    if (!somePathsExist) {
-      this.isDrawing = false;
-    }
   }
 }

src/element/dragElements.ts

@@ -1,5 +1,5 @@
 import { updateBoundElements } from "./binding";
-import { Bounds, getCommonBounds } from "./bounds";
+import { getCommonBounds } from "./bounds";
 import { mutateElement } from "./mutateElement";
 import { getPerfectElementSize } from "./sizeHelpers";
 import { NonDeletedExcalidrawElement } from "./types";
@@ -41,16 +41,14 @@ export const dragSelectedElements = (
     elementsInFrames.forEach((element) => elementsToUpdate.add(element));
   }
 
-  const commonBounds = getCommonBounds(Array.from(elementsToUpdate));
-  const adjustedOffset = calculateOffset(
-    commonBounds,
-    offset,
-    snapOffset,
-    gridSize,
-  );
-
   elementsToUpdate.forEach((element) => {
-    updateElementCoords(pointerDownState, element, adjustedOffset);
+    updateElementCoords(
+      pointerDownState,
+      element,
+      offset,
+      snapOffset,
+      gridSize,
+    );
     // update coords of bound text only if we're dragging the container directly
     // (we don't drag the group that it's part of)
     if (
@@ -68,7 +66,13 @@ export const dragSelectedElements = (
         // updating its coords again
         (!textElement.frameId || !frames.includes(textElement.frameId))
       ) {
-        updateElementCoords(pointerDownState, textElement, adjustedOffset);
+        updateElementCoords(
+          pointerDownState,
+          textElement,
+          offset,
+          snapOffset,
+          gridSize,
+        );
       }
     }
     updateBoundElements(element, {
@@ -77,20 +81,23 @@ export const dragSelectedElements = (
   });
 };
 
-const calculateOffset = (
+const updateElementCoords = (
-  commonBounds: Bounds,
+  pointerDownState: PointerDownState,
+  element: NonDeletedExcalidrawElement,
   dragOffset: { x: number; y: number },
   snapOffset: { x: number; y: number },
   gridSize: AppState["gridSize"],
-): { x: number; y: number } => {
+) => {
-  const [x, y] = commonBounds;
+  const originalElement =
-  let nextX = x + dragOffset.x + snapOffset.x;
+    pointerDownState.originalElements.get(element.id) ?? element;
-  let nextY = y + dragOffset.y + snapOffset.y;
+
+  let nextX = originalElement.x + dragOffset.x + snapOffset.x;
+  let nextY = originalElement.y + dragOffset.y + snapOffset.y;
 
   if (snapOffset.x === 0 || snapOffset.y === 0) {
     const [nextGridX, nextGridY] = getGridPoint(
-      x + dragOffset.x,
+      originalElement.x + dragOffset.x,
-      y + dragOffset.y,
+      originalElement.y + dragOffset.y,
       gridSize,
     );
 
@@ -102,22 +109,6 @@ const calculateOffset = (
       nextY = nextGridY;
     }
   }
-  return {
-    x: nextX - x,
-    y: nextY - y,
-  };
-};
-
-const updateElementCoords = (
-  pointerDownState: PointerDownState,
-  element: NonDeletedExcalidrawElement,
-  dragOffset: { x: number; y: number },
-) => {
-  const originalElement =
-    pointerDownState.originalElements.get(element.id) ?? element;
-
-  const nextX = originalElement.x + dragOffset.x;
-  const nextY = originalElement.y + dragOffset.y;
 
   mutateElement(element, {
     x: nextX,