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silverbullet/common/util.ts

76 lines
1.7 KiB
TypeScript

import { SETTINGS_TEMPLATE } from "./settings_template.ts";
import { YAML } from "./deps.ts";
import { Space } from "./spaces/space.ts";
export function safeRun(fn: () => Promise<void>) {
fn().catch((e) => {
console.error(e);
});
}
export function isMacLike() {
return /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
}
// TODO: This is naive, may be better to use a proper parser
const yamlSettingsRegex = /```yaml([^`]+)```/;
export function parseYamlSettings(settingsMarkdown: string): {
[key: string]: any;
} {
const match = yamlSettingsRegex.exec(settingsMarkdown);
if (!match) {
return {};
}
const yaml = match[1];
try {
return YAML.parse(yaml) as {
[key: string]: any;
};
} catch (e: any) {
console.error("Error parsing SETTINGS as YAML", e.message);
return {};
}
}
export async function ensureAndLoadSettings(
space: Space,
dontCreate: boolean,
): Promise<any> {
if (dontCreate) {
return {
indexPage: "index",
};
}
try {
await space.getPageMeta("SETTINGS");
} catch {
await space.writePage(
"SETTINGS",
SETTINGS_TEMPLATE,
true,
);
}
const { text: settingsText } = await space.readPage("SETTINGS");
const settings = parseYamlSettings(settingsText);
if (!settings.indexPage) {
settings.indexPage = "index";
}
try {
await space.getPageMeta(settings.indexPage);
} catch {
await space.writePage(
settings.indexPage,
`Hello! And welcome to your brand new SilverBullet space!
<!-- #use [[💭 silverbullet.md/Getting Started]] -->
Loading some onboarding content for you (but doing so does require a working internet connection)...
<!-- /use -->`,
);
}
return settings;
}