js-draw/dist/mjs/tools/ToolEnabledGroup.mjs

Draw pictures using a pen, touchscreen, or mouse! JS-draw is a drawing library for JavaScript and TypeScript.

// Connects a group of tools -- at most one tool in the group can be enabled.
export default class ToolEnabledGroup {
    constructor() { }
    notifyEnabled(tool) {
        if (tool !== this.activeTool) {
            this.activeTool?.setEnabled(false);
            this.activeTool = tool;
        }
    }
}