100 lines
2.8 KiB
TypeScript
100 lines
2.8 KiB
TypeScript
import { INDEX_TEMPLATE, SETTINGS_TEMPLATE } from "./PAGE_TEMPLATES.ts";
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import { YAML } from "./deps.ts";
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import { SpacePrimitives } from "./spaces/space_primitives.ts";
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import { expandPropertyNames } from "$sb/lib/json.ts";
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import type { BuiltinSettings } from "../web/types.ts";
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/**
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* Runs a function safely by catching any errors and logging them to the console.
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* @param fn - The function to run.
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*/
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export function safeRun(fn: () => Promise<void>) {
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fn().catch((e) => {
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console.error(e);
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});
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}
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/**
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* Checks if the current platform is Mac-like (Mac, iPhone, iPod, iPad).
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* @returns A boolean indicating if the platform is Mac-like.
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*/
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export function isMacLike() {
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return /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
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}
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// TODO: This is naive, may be better to use a proper parser
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const yamlSettingsRegex = /```yaml([^`]+)```/;
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/**
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* Parses YAML settings from a Markdown string.
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* @param settingsMarkdown - The Markdown string containing the YAML settings.
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* @returns An object representing the parsed YAML settings.
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*/
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export function parseYamlSettings(settingsMarkdown: string): {
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[key: string]: any;
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} {
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const match = yamlSettingsRegex.exec(settingsMarkdown);
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if (!match) {
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return {};
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}
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const yaml = match[1];
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try {
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return YAML.load(yaml) as {
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[key: string]: any;
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};
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} catch (e: any) {
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console.error("Error parsing SETTINGS as YAML", e.message);
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return {};
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}
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}
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/**
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* Ensures that the settings and index page exist in the given space.
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* If they don't exist, default settings and index page will be created.
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* @param space - The SpacePrimitives object representing the space.
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* @returns A promise that resolves to the built-in settings.
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*/
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export async function ensureSettingsAndIndex(
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space: SpacePrimitives,
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): Promise<BuiltinSettings> {
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let settingsText: string | undefined;
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try {
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settingsText = new TextDecoder().decode(
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(await space.readFile("SETTINGS.md")).data,
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);
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} catch (e: any) {
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if (e.message === "Not found") {
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console.log("No settings found, creating default settings");
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await space.writeFile(
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"SETTINGS.md",
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new TextEncoder().encode(SETTINGS_TEMPLATE),
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true,
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);
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} else {
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console.error("Error reading settings", e.message);
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console.warn("Falling back to default settings");
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return {
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indexPage: "index",
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};
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}
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settingsText = SETTINGS_TEMPLATE;
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// Ok, then let's also check the index page
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try {
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await space.getFileMeta("index.md");
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} catch (e: any) {
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console.log(
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"No index page found, creating default index page",
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e.message,
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);
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await space.writeFile(
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"index.md",
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new TextEncoder().encode(INDEX_TEMPLATE),
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);
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}
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}
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const settings: any = parseYamlSettings(settingsText);
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expandPropertyNames(settings);
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return settings;
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}
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