plane/space/components/tiptap/slash-command/index.tsx

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import React, { useState, useEffect, useCallback, ReactNode, useRef, useLayoutEffect } from "react";
import { Editor, Range, Extension } from "@tiptap/core";
import Suggestion from "@tiptap/suggestion";
import { ReactRenderer } from "@tiptap/react";
import tippy from "tippy.js";
import {
Heading1,
Heading2,
Heading3,
List,
ListOrdered,
Text,
TextQuote,
Code,
MinusSquare,
CheckSquare,
ImageIcon,
} from "lucide-react";
import { startImageUpload } from "../plugins/upload-image";
import { cn } from "../utils";
interface CommandItemProps {
title: string;
description: string;
icon: ReactNode;
}
interface CommandProps {
editor: Editor;
range: Range;
}
const Command = Extension.create({
name: "slash-command",
addOptions() {
return {
suggestion: {
char: "/",
command: ({ editor, range, props }: { editor: Editor; range: Range; props: any }) => {
props.command({ editor, range });
},
},
};
},
addProseMirrorPlugins() {
return [
Suggestion({
editor: this.editor,
...this.options.suggestion,
}),
];
},
});
const getSuggestionItems =
(workspaceSlug: string, setIsSubmitting?: (isSubmitting: "submitting" | "submitted" | "saved") => void) =>
({ query }: { query: string }) =>
[
{
title: "Text",
description: "Just start typing with plain text.",
searchTerms: ["p", "paragraph"],
icon: <Text size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).toggleNode("paragraph", "paragraph").run();
},
},
{
title: "Heading 1",
description: "Big section heading.",
searchTerms: ["title", "big", "large"],
icon: <Heading1 size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).setNode("heading", { level: 1 }).run();
},
},
{
title: "Heading 2",
description: "Medium section heading.",
searchTerms: ["subtitle", "medium"],
icon: <Heading2 size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).setNode("heading", { level: 2 }).run();
},
},
{
title: "Heading 3",
description: "Small section heading.",
searchTerms: ["subtitle", "small"],
icon: <Heading3 size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).setNode("heading", { level: 3 }).run();
},
},
{
title: "To-do List",
description: "Track tasks with a to-do list.",
searchTerms: ["todo", "task", "list", "check", "checkbox"],
icon: <CheckSquare size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).toggleTaskList().run();
},
},
{
title: "Bullet List",
description: "Create a simple bullet list.",
searchTerms: ["unordered", "point"],
icon: <List size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).toggleBulletList().run();
},
},
{
title: "Divider",
description: "Visually divide blocks",
searchTerms: ["line", "divider", "horizontal", "rule", "separate"],
icon: <MinusSquare size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).setHorizontalRule().run();
},
},
{
title: "Numbered List",
description: "Create a list with numbering.",
searchTerms: ["ordered"],
icon: <ListOrdered size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).toggleOrderedList().run();
},
},
{
title: "Quote",
description: "Capture a quote.",
searchTerms: ["blockquote"],
icon: <TextQuote size={18} />,
command: ({ editor, range }: CommandProps) =>
editor.chain().focus().deleteRange(range).toggleNode("paragraph", "paragraph").toggleBlockquote().run(),
},
{
title: "Code",
description: "Capture a code snippet.",
searchTerms: ["codeblock"],
icon: <Code size={18} />,
command: ({ editor, range }: CommandProps) => editor.chain().focus().deleteRange(range).toggleCodeBlock().run(),
},
{
title: "Image",
description: "Upload an image from your computer.",
searchTerms: ["photo", "picture", "media"],
icon: <ImageIcon size={18} />,
command: ({ editor, range }: CommandProps) => {
editor.chain().focus().deleteRange(range).run();
// upload image
const input = document.createElement("input");
input.type = "file";
input.accept = "image/*";
input.onchange = async () => {
if (input.files?.length) {
const file = input.files[0];
const pos = editor.view.state.selection.from;
startImageUpload(file, editor.view, pos, workspaceSlug, setIsSubmitting);
}
};
input.click();
},
},
].filter((item) => {
if (typeof query === "string" && query.length > 0) {
const search = query.toLowerCase();
return (
item.title.toLowerCase().includes(search) ||
item.description.toLowerCase().includes(search) ||
(item.searchTerms && item.searchTerms.some((term: string) => term.includes(search)))
);
}
return true;
});
export const updateScrollView = (container: HTMLElement, item: HTMLElement) => {
const containerHeight = container.offsetHeight;
const itemHeight = item ? item.offsetHeight : 0;
const top = item.offsetTop;
const bottom = top + itemHeight;
if (top < container.scrollTop) {
container.scrollTop -= container.scrollTop - top + 5;
} else if (bottom > containerHeight + container.scrollTop) {
container.scrollTop += bottom - containerHeight - container.scrollTop + 5;
}
};
const CommandList = ({ items, command }: { items: CommandItemProps[]; command: any; editor: any; range: any }) => {
const [selectedIndex, setSelectedIndex] = useState(0);
const selectItem = useCallback(
(index: number) => {
const item = items[index];
if (item) {
command(item);
}
},
[command, items]
);
useEffect(() => {
const navigationKeys = ["ArrowUp", "ArrowDown", "Enter"];
const onKeyDown = (e: KeyboardEvent) => {
if (navigationKeys.includes(e.key)) {
e.preventDefault();
if (e.key === "ArrowUp") {
setSelectedIndex((selectedIndex + items.length - 1) % items.length);
return true;
}
if (e.key === "ArrowDown") {
setSelectedIndex((selectedIndex + 1) % items.length);
return true;
}
if (e.key === "Enter") {
selectItem(selectedIndex);
return true;
}
return false;
}
};
document.addEventListener("keydown", onKeyDown);
return () => {
document.removeEventListener("keydown", onKeyDown);
};
}, [items, selectedIndex, setSelectedIndex, selectItem]);
useEffect(() => {
setSelectedIndex(0);
}, [items]);
const commandListContainer = useRef<HTMLDivElement>(null);
useLayoutEffect(() => {
const container = commandListContainer?.current;
const item = container?.children[selectedIndex] as HTMLElement;
if (item && container) updateScrollView(container, item);
}, [selectedIndex]);
return items.length > 0 ? (
<div
id="slash-command"
ref={commandListContainer}
className="z-50 fixed h-auto max-h-[330px] w-72 overflow-y-auto rounded-md border border-custom-border-300 bg-custom-background-100 px-1 py-2 shadow-md transition-all"
>
{items.map((item: CommandItemProps, index: number) => (
<button
className={cn(
`flex w-full items-center space-x-2 rounded-md px-2 py-1 text-left text-sm text-custom-text-200 hover:bg-custom-primary-100/5 hover:text-custom-text-100`,
{ "bg-custom-primary-100/5 text-custom-text-100": index === selectedIndex }
)}
key={index}
onClick={() => selectItem(index)}
>
<div>
<p className="font-medium">{item.title}</p>
<p className="text-xs text-custom-text-300">{item.description}</p>
</div>
</button>
))}
</div>
) : null;
};
const renderItems = () => {
let component: ReactRenderer | null = null;
let popup: any | null = null;
return {
onStart: (props: { editor: Editor; clientRect: DOMRect }) => {
component = new ReactRenderer(CommandList, {
props,
editor: props.editor,
});
// @ts-ignore
popup = tippy("body", {
getReferenceClientRect: props.clientRect,
appendTo: () => document.querySelector("#tiptap-container"),
content: component.element,
showOnCreate: true,
interactive: true,
trigger: "manual",
placement: "bottom-start",
});
},
onUpdate: (props: { editor: Editor; clientRect: DOMRect }) => {
component?.updateProps(props);
popup &&
popup[0].setProps({
getReferenceClientRect: props.clientRect,
});
},
onKeyDown: (props: { event: KeyboardEvent }) => {
if (props.event.key === "Escape") {
popup?.[0].hide();
return true;
}
// @ts-ignore
return component?.ref?.onKeyDown(props);
},
onExit: () => {
popup?.[0].destroy();
component?.destroy();
},
};
};
export const SlashCommand = (
workspaceSlug: string,
setIsSubmitting?: (isSubmitting: "submitting" | "submitted" | "saved") => void
) =>
Command.configure({
suggestion: {
items: getSuggestionItems(workspaceSlug, setIsSubmitting),
render: renderItems,
},
});
export default SlashCommand;