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silverbullet/plugs/editor/complete.ts
2023-11-06 09:14:16 +01:00

57 lines
1.8 KiB
TypeScript

import { CompleteEvent } from "$sb/app_event.ts";
import { space } from "$sb/syscalls.ts";
import { FileMeta, PageMeta } from "$sb/types.ts";
import { cacheFileListing } from "../federation/federation.ts";
// Completion
export async function pageComplete(completeEvent: CompleteEvent) {
const match = /\[\[([^\]@$:\{}]*)$/.exec(completeEvent.linePrefix);
if (!match) {
return null;
}
let allPages: PageMeta[] = await space.listPages();
const prefix = match[1];
if (prefix.startsWith("!")) {
// Federation prefix, let's first see if we're matching anything from federation that is locally synced
const prefixMatches = allPages.filter((pageMeta) =>
pageMeta.name.startsWith(prefix)
);
if (prefixMatches.length === 0) {
// Ok, nothing synced in via federation, let's see if this URI is complete enough to try to fetch index.json
if (prefix.includes("/")) {
// Yep
const domain = prefix.split("/")[0];
// Cached listing
const federationPages = (await cacheFileListing(domain)).filter((fm) =>
fm.name.endsWith(".md")
).map(fileMetaToPageMeta);
if (federationPages.length > 0) {
allPages = allPages.concat(federationPages);
}
}
}
}
return {
from: completeEvent.pos - match[1].length,
options: allPages.map((pageMeta) => {
return {
label: pageMeta.name,
boost: pageMeta.lastModified,
type: "page",
};
}),
};
}
function fileMetaToPageMeta(fileMeta: FileMeta): PageMeta {
const name = fileMeta.name.substring(0, fileMeta.name.length - 3);
return {
...fileMeta,
ref: fileMeta.name,
tags: ["page"],
name,
created: new Date(fileMeta.created).toISOString(),
lastModified: new Date(fileMeta.lastModified).toISOString(),
} as PageMeta;
}