From 6ec259a0e71174651bae95d4628138bf6fd68742 Mon Sep 17 00:00:00 2001
From: kj_sh604
Date: Sun, 15 Mar 2026 16:19:35 -0400
Subject: refactor: packages/

---
 packages/excalidraw/components/ToolButton.tsx | 206 ++++++++++++++++++++++++++
 1 file changed, 206 insertions(+)
 create mode 100644 packages/excalidraw/components/ToolButton.tsx

(limited to 'packages/excalidraw/components/ToolButton.tsx')

diff --git a/packages/excalidraw/components/ToolButton.tsx b/packages/excalidraw/components/ToolButton.tsx
new file mode 100644
index 0000000..09b0b6c
--- /dev/null
+++ b/packages/excalidraw/components/ToolButton.tsx
@@ -0,0 +1,206 @@
+import "./ToolIcon.scss";
+
+import type { CSSProperties } from "react";
+import React, { useEffect, useRef, useState } from "react";
+import clsx from "clsx";
+import { useExcalidrawContainer } from "./App";
+import { AbortError } from "../errors";
+import Spinner from "./Spinner";
+import type { PointerType } from "../element/types";
+import { isPromiseLike } from "../utils";
+
+export type ToolButtonSize = "small" | "medium";
+
+type ToolButtonBaseProps = {
+  icon?: React.ReactNode;
+  "aria-label": string;
+  "aria-keyshortcuts"?: string;
+  "data-testid"?: string;
+  label?: string;
+  title?: string;
+  name?: string;
+  id?: string;
+  size?: ToolButtonSize;
+  keyBindingLabel?: string | null;
+  showAriaLabel?: boolean;
+  hidden?: boolean;
+  visible?: boolean;
+  selected?: boolean;
+  disabled?: boolean;
+  className?: string;
+  style?: CSSProperties;
+  isLoading?: boolean;
+};
+
+type ToolButtonProps =
+  | (ToolButtonBaseProps & {
+      type: "button";
+      children?: React.ReactNode;
+      onClick?(event: React.MouseEvent): void;
+    })
+  | (ToolButtonBaseProps & {
+      type: "submit";
+      children?: React.ReactNode;
+      onClick?(event: React.MouseEvent): void;
+    })
+  | (ToolButtonBaseProps & {
+      type: "icon";
+      children?: React.ReactNode;
+      onClick?(): void;
+    })
+  | (ToolButtonBaseProps & {
+      type: "radio";
+      checked: boolean;
+      onChange?(data: { pointerType: PointerType | null }): void;
+      onPointerDown?(data: { pointerType: PointerType }): void;
+    });
+
+export const ToolButton = React.forwardRef(
+  (
+    {
+      size = "medium",
+      visible = true,
+      className = "",
+      ...props
+    }: ToolButtonProps,
+    ref,
+  ) => {
+    const { id: excalId } = useExcalidrawContainer();
+    const innerRef = React.useRef(null);
+    React.useImperativeHandle(ref, () => innerRef.current);
+    const sizeCn = `ToolIcon_size_${size}`;
+
+    const [isLoading, setIsLoading] = useState(false);
+
+    const isMountedRef = useRef(true);
+
+    const onClick = async (event: React.MouseEvent) => {
+      const ret = "onClick" in props && props.onClick?.(event);
+
+      if (isPromiseLike(ret)) {
+        try {
+          setIsLoading(true);
+          await ret;
+        } catch (error: any) {
+          if (!(error instanceof AbortError)) {
+            throw error;
+          } else {
+            console.warn(error);
+          }
+        } finally {
+          if (isMountedRef.current) {
+            setIsLoading(false);
+          }
+        }
+      }
+    };
+
+    useEffect(() => {
+      isMountedRef.current = true;
+      return () => {
+        isMountedRef.current = false;
+      };
+    }, []);
+
+    const lastPointerTypeRef = useRef<PointerType | null>(null);
+
+    if (
+      props.type === "button" ||
+      props.type === "icon" ||
+      props.type === "submit"
+    ) {
+      const type = (props.type === "icon" ? "button" : props.type) as
+        | "button"
+        | "submit";
+      return (
+        <button
+          className={clsx(
+            "ToolIcon_type_button",
+            sizeCn,
+            className,
+            visible && !props.hidden
+              ? "ToolIcon_type_button--show"
+              : "ToolIcon_type_button--hide",
+            {
+              ToolIcon: !props.hidden,
+              "ToolIcon--selected": props.selected,
+              "ToolIcon--plain": props.type === "icon",
+            },
+          )}
+          style={props.style}
+          data-testid={props["data-testid"]}
+          hidden={props.hidden}
+          title={props.title}
+          aria-label={props["aria-label"]}
+          type={type}
+          onClick={onClick}
+          ref={innerRef}
+          disabled={isLoading || props.isLoading || !!props.disabled}
+        >
+          {(props.icon || props.label) && (
+            <div
+              className="ToolIcon__icon"
+              aria-hidden="true"
+              aria-disabled={!!props.disabled}
+            >
+              {props.icon || props.label}
+              {props.keyBindingLabel && (
+                <span className="ToolIcon__keybinding">
+                  {props.keyBindingLabel}
+                </span>
+              )}
+              {props.isLoading && <Spinner />}
+            </div>
+          )}
+          {props.showAriaLabel && (
+            <div className="ToolIcon__label">
+              {props["aria-label"]} {isLoading && <Spinner />}
+            </div>
+          )}
+          {props.children}
+        </button>
+      );
+    }
+
+    return (
+      <label
+        className={clsx("ToolIcon", className)}
+        title={props.title}
+        onPointerDown={(event) => {
+          lastPointerTypeRef.current = event.pointerType || null;
+          props.onPointerDown?.({ pointerType: event.pointerType || null });
+        }}
+        onPointerUp={() => {
+          requestAnimationFrame(() => {
+            lastPointerTypeRef.current = null;
+          });
+        }}
+      >
+        <input
+          className={`ToolIcon_type_radio ${sizeCn}`}
+          type="radio"
+          name={props.name}
+          aria-label={props["aria-label"]}
+          aria-keyshortcuts={props["aria-keyshortcuts"]}
+          data-testid={props["data-testid"]}
+          id={`${excalId}-${props.id}`}
+          onChange={() => {
+            props.onChange?.({ pointerType: lastPointerTypeRef.current });
+          }}
+          checked={props.checked}
+          ref={innerRef}
+        />
+        <div className="ToolIcon__icon">
+          {props.icon}
+          {props.keyBindingLabel && (
+            <span className="ToolIcon__keybinding">
+              {props.keyBindingLabel}
+            </span>
+          )}
+        </div>
+      </label>
+    );
+  },
+);
+
+ToolButton.displayName = "ToolButton";
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