55 lines
1.5 KiB
TypeScript
55 lines
1.5 KiB
TypeScript
import { collectNodesOfType } from "$sb/lib/tree.ts";
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import type { CompleteEvent, IndexTreeEvent } from "$sb/app_event.ts";
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import { ObjectValue, QueryExpression } from "$sb/types.ts";
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import { indexObjects, queryObjects } from "./api.ts";
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type AnchorObject = ObjectValue<{
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name: string;
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page: string;
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pos: number;
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}>;
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export async function indexAnchors({ name: pageName, tree }: IndexTreeEvent) {
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const anchors: ObjectValue<AnchorObject>[] = [];
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collectNodesOfType(tree, "NamedAnchor").forEach((n) => {
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const aName = n.children![0].text!.substring(1);
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anchors.push({
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ref: `${pageName}$${aName}`,
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tags: ["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\.\-\/]*)$/.exec(
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completeEvent.linePrefix,
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);
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if (!match) {
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return null;
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}
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const pageRef = match[1].split(/[@$]/)[0];
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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 });
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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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