memos/web/src/components/MemoContent/index.tsx

99 lines
3.9 KiB
TypeScript

import { observer } from "mobx-react-lite";
import { memo } from "react";
import ReactMarkdown from "react-markdown";
import rehypeKatex from "rehype-katex";
import rehypeRaw from "rehype-raw";
import remarkBreaks from "remark-breaks";
import remarkGfm from "remark-gfm";
import remarkMath from "remark-math";
import useCurrentUser from "@/hooks/useCurrentUser";
import { cn } from "@/lib/utils";
import { memoStore } from "@/store";
import { useTranslate } from "@/utils/i18n";
import { remarkPreserveType } from "@/utils/remark-plugins/remark-preserve-type";
import { remarkTag } from "@/utils/remark-plugins/remark-tag";
import { isSuperUser } from "@/utils/user";
import { CodeBlock } from "./CodeBlock";
import { createConditionalComponent, isTagNode, isTaskListItemNode } from "./ConditionalComponent";
import { useCompactLabel, useCompactMode } from "./hooks";
import { MemoContentContext } from "./MemoContentContext";
import { Tag } from "./Tag";
import { TaskListItem } from "./TaskListItem";
import type { MemoContentProps } from "./types";
import "katex/dist/katex.min.css";
const MemoContent = observer((props: MemoContentProps) => {
const { className, contentClassName, content, memoName, onClick, onDoubleClick } = props;
const t = useTranslate();
const currentUser = useCurrentUser();
const {
containerRef: memoContentContainerRef,
mode: showCompactMode,
toggle: toggleCompactMode,
} = useCompactMode(Boolean(props.compact));
const memo = memoName ? memoStore.getMemoByName(memoName) : null;
const allowEdit = !props.readonly && memo && (currentUser?.name === memo.creator || isSuperUser(currentUser));
// Context for custom components
const contextValue = {
memoName,
readonly: !allowEdit,
disableFilter: props.disableFilter,
parentPage: props.parentPage,
containerRef: memoContentContainerRef,
};
const compactLabel = useCompactLabel(showCompactMode, t as (key: string) => string);
return (
<MemoContentContext.Provider value={contextValue}>
<div className={`w-full flex flex-col justify-start items-start text-foreground ${className || ""}`}>
<div
ref={memoContentContainerRef}
className={cn(
"markdown-content relative w-full max-w-full wrap-break-word text-base leading-6",
showCompactMode === "ALL" && "line-clamp-6 max-h-60",
contentClassName,
)}
onMouseUp={onClick}
onDoubleClick={onDoubleClick}
>
<ReactMarkdown
remarkPlugins={[remarkGfm, remarkBreaks, remarkMath, remarkTag, remarkPreserveType]}
rehypePlugins={[rehypeRaw, rehypeKatex]}
components={{
// Conditionally render custom components based on AST node type
input: createConditionalComponent(TaskListItem, "input", isTaskListItemNode),
span: createConditionalComponent(Tag, "span", isTagNode),
pre: CodeBlock,
a: ({ href, children, ...props }) => (
<a href={href} target="_blank" rel="noopener noreferrer" {...props}>
{children}
</a>
),
}}
>
{content}
</ReactMarkdown>
</div>
{showCompactMode === "ALL" && (
<div className="absolute bottom-0 left-0 w-full h-12 bg-linear-to-b from-transparent to-background pointer-events-none"></div>
)}
{showCompactMode !== undefined && (
<div className="w-full mt-1">
<button
type="button"
className="w-auto flex flex-row justify-start items-center cursor-pointer text-sm text-primary hover:opacity-80 text-left"
onClick={toggleCompactMode}
>
{compactLabel}
</button>
</div>
)}
</div>
</MemoContentContext.Provider>
);
});
export default memo(MemoContent);