67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
import { collectNodesOfType } from "@silverbulletmd/silverbullet/lib/tree";
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import type {
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CompleteEvent,
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IndexTreeEvent,
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ObjectValue,
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QueryExpression,
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} from "@silverbulletmd/silverbullet/types";
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import { indexObjects, queryObjects } from "./api.ts";
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import { parsePageRef } from "@silverbulletmd/silverbullet/lib/page_ref";
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type AnchorObject = ObjectValue<{
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name: string;
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page: string;
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pos: number;
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}>;
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export async function indexAnchors({ name: pageName, tree }: IndexTreeEvent) {
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const anchors: ObjectValue<AnchorObject>[] = [];
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const anchorNames = new Set<string>();
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collectNodesOfType(tree, "NamedAnchor").forEach((n) => {
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const aName = n.children![0].text!.substring(1);
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if (anchorNames.has(aName)) {
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console.warn("Duplicate anchor", aName, "in", pageName);
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return;
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} else {
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anchorNames.add(aName);
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}
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anchors.push({
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ref: `${pageName}$${aName}`,
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tag: "anchor",
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name: aName,
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page: pageName,
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pos: n.from!,
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});
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});
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// console.log("Found", anchors.length, "anchors(s)");
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await indexObjects(pageName, anchors);
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}
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export async function anchorComplete(completeEvent: CompleteEvent) {
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const match = /\[\[([^\]$:]*\$[\w\.\-\/]*)$/.exec(
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completeEvent.linePrefix,
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);
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if (!match) {
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return null;
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}
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const pageRef = parsePageRef(match[1]).page;
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let filter: QueryExpression | undefined = ["=", ["attr", "page"], [
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"string",
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pageRef,
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]];
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if (!pageRef) {
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// "bare" anchor, match any page for completion purposes
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filter = undefined;
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}
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const allAnchors = await queryObjects<AnchorObject>("anchor", { filter }, 5);
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return {
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from: completeEvent.pos - match[1].length,
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options: allAnchors.map((a) => ({
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label: a.page === completeEvent.pageName ? `\$${a.name}` : a.ref,
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type: "anchor",
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})),
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};
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}
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