mirror of
https://github.com/getpaseo/paseo.git
synced 2026-10-23 17:52:49 +00:00
Mohamed Boudra
dfb6215de0
The file tab stats the file and mounts its panel without reading it. Every panel, built-in or plugin, gets a PluginFile handle: readText, readBytes, url, version-checked writeText/writeBytes (PluginFileConflictError unless force), and watch. useFileText, useFileBytes and useFileUrl read through it, and Loading joins @getpaseo/plugin/client/ui. Panels own their loading state. The host document pipeline, the explorer preview cache and the preview lifecycle are deleted. The daemon classifies a file version from a bounded sniff and writes base64 content as bytes behind fileByteWrites. A deleted file keeps its panel mounted; a read confirms the deletion first, so a remove-and-rewrite is not reported as one. Native Source decodes with builtins and highlights in idle-time slices, the lines around the opening line first, so a large file no longer blocks the JS thread.
76 lines
2.7 KiB
TypeScript
76 lines
2.7 KiB
TypeScript
import type { PluginFilePanelProps } from "@getpaseo/plugin/client";
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import type { EditorView, EditorViewConfig } from "@codemirror/view";
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import { Platform } from "react-native";
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export interface MarkdownEditorHandle {
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/** Replaces the editor's text without reporting it as an edit. */
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setText(text: string): void;
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destroy(): void;
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}
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/** DOM code stays here; native never evaluates the editor dependencies. */
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export function mountEditor(
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parent: unknown,
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text: string,
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theme: PluginFilePanelProps["theme"],
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onChange: (text: string) => void,
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): MarkdownEditorHandle | null {
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if (Platform.OS !== "web" || !parent) return null;
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const { EditorState } = require("@codemirror/state") as typeof import("@codemirror/state");
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const { EditorView, keymap, lineNumbers } =
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require("@codemirror/view") as typeof import("@codemirror/view");
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const { defaultKeymap, history, historyKeymap } =
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require("@codemirror/commands") as typeof import("@codemirror/commands");
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const { markdown } =
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require("@codemirror/lang-markdown") as typeof import("@codemirror/lang-markdown");
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const { syntaxHighlighting, defaultHighlightStyle } =
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require("@codemirror/language") as typeof import("@codemirror/language");
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let applyingHostText = false;
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const view: EditorView = new EditorView({
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parent: parent as EditorViewConfig["parent"],
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state: EditorState.create({
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doc: text,
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extensions: [
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markdown(),
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syntaxHighlighting(defaultHighlightStyle),
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lineNumbers(),
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history(),
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keymap.of([...defaultKeymap, ...historyKeymap]),
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EditorView.lineWrapping,
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EditorView.contentAttributes.of({ "aria-label": "Rich Markdown editor" }),
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EditorView.theme({
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"&": {
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height: "100%",
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color: theme.colors.foreground,
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backgroundColor: theme.colors.surface0,
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},
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".cm-scroller": { overflow: "auto" },
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".cm-content": { padding: "16px", caretColor: theme.colors.foreground },
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".cm-gutters": {
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backgroundColor: theme.colors.surface0,
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color: theme.colors.foregroundMuted,
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border: "none",
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},
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}),
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EditorView.updateListener.of((update) => {
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if (update.docChanged && !applyingHostText) onChange(update.state.doc.toString());
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}),
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],
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}),
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});
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return {
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setText(next) {
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if (view.state.doc.toString() === next) return;
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applyingHostText = true;
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try {
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view.dispatch({ changes: { from: 0, to: view.state.doc.length, insert: next } });
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} finally {
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applyingHostText = false;
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}
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},
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destroy() {
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view.destroy();
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},
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};
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}
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