snapshot of https://github.com/raimohanska/ourboard.git (master, 2026-09-23; blobs > 131072B omitted)

benchmark/benchmark.ts

@@ -0,0 +1,127 @@
+import { uniqueId } from "lodash"
+import { arrayToRecordById } from "../common/src/arrays"
+import { boardReducer } from "../common/src/board-reducer"
+import { Board, Item, Note, newNote } from "../common/src/domain"
+
+type Foo = Board
+
+function createRandomItems(count: number): Item[] {
+    const items: Item[] = []
+    for (let i = 0; i < count; i++) {
+        items.push({
+            id: uniqueId(),
+            type: "note",
+            color: "yellow",
+            height: 100,
+            width: 100,
+            x: Math.random() * 10000,
+            y: Math.random() * 10000,
+            z: 0,
+            shape: "square",
+            text: "Hello world",
+        })
+    }
+    return items
+}
+
+function createTestBoard(size = 1000): Board {
+    return {
+        id: uniqueId(),
+        height: 10000,
+        width: 10000,
+        serial: 0,
+        name: "Bigass board",
+        items: arrayToRecordById(createRandomItems(size)),
+        connections: [],
+    }
+}
+
+let testBoards = Array.from({ length: 100 }, () => {
+    const board = createTestBoard(100)
+    const items = Object.values(board.items) as Note[]
+    return {
+        board,
+        items,
+    }
+})
+
+console.time("10000 item.updates on a randomly picked 100 item board")
+for (let i = 0; i < 10000; i++) {
+    let randomBoard = testBoards[Math.floor(Math.random() * testBoards.length)]
+    // const itemsArray = Object.values(randomBoard.items) as Note[]
+    const item = randomBoard.items[i % randomBoard.items.length]
+    ;[randomBoard.board] = boardReducer(randomBoard.board, {
+        boardId: randomBoard.board.id,
+        action: "item.update",
+        items: [
+            {
+                ...item,
+                text: "Hello world",
+            },
+        ],
+    })
+}
+console.timeEnd("10000 item.updates on a randomly picked 100 item board")
+
+testBoards = Array.from({ length: 100 }, () => {
+    const board = createTestBoard(100)
+    const items = Object.values(board.items) as Note[]
+    return {
+        board,
+        items,
+    }
+})
+
+console.time("10000 item.adds on a randomly picked 100 item board")
+for (let i = 0; i < 10000; i++) {
+    const randomBoard = testBoards[Math.floor(Math.random() * testBoards.length)]
+    const item = newNote("foo")
+    ;[randomBoard.board] = boardReducer(randomBoard.board, {
+        boardId: randomBoard.board.id,
+        action: "item.add",
+        items: [item],
+        connections: [],
+    })
+}
+console.timeEnd("10000 item.adds on a randomly picked 100 item board")
+
+testBoards = Array.from({ length: 100 }, () => {
+    const board = createTestBoard(100)
+    const items = Object.values(board.items) as Note[]
+    return {
+        board,
+        items,
+    }
+})
+
+console.time("10000 item.moves on a randomly picked 100 item board")
+for (let i = 0; i < 10000; i++) {
+    const randomBoard = testBoards[Math.floor(Math.random() * testBoards.length)]
+    const item = randomBoard.items[i % randomBoard.items.length]
+    ;[randomBoard.board] = boardReducer(randomBoard.board, {
+        boardId: randomBoard.board.id,
+        action: "item.move",
+        items: [
+            {
+                ...item,
+                x: Math.random() * 10000,
+                y: Math.random() * 10000,
+            },
+        ],
+        connections: [],
+    })
+}
+console.timeEnd("10000 item.moves on a randomly picked 100 item board")
+
+console.time("Reference: creating 10000 input objects and doing nothing")
+const noop = (item: any) => {
+    item.text
+}
+for (let i = 0; i < 10000; i++) {
+    const item = newNote("foo")
+    noop({
+        ...item,
+        text: "Hello world",
+    })
+}
+console.timeEnd("Reference: creating 10000 input objects and doing nothing")