83 lines
2.3 KiB
TypeScript
83 lines
2.3 KiB
TypeScript
import type { IndexTreeEvent } from "../../plug-api/types.ts";
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import { indexObjects } from "./api.ts";
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import {
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collectNodesOfType,
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findParentMatching,
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renderToText,
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traverseTreeAsync,
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} from "../../plug-api/lib/tree.ts";
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import { extractAttributes } from "@silverbulletmd/silverbullet/lib/attribute";
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import type { ObjectValue } from "../../plug-api/types.ts";
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import { updateITags } from "@silverbulletmd/silverbullet/lib/tags";
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import { extractFrontmatter } from "@silverbulletmd/silverbullet/lib/frontmatter";
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import { extractHashtag } from "../../plug-api/lib/tags.ts";
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/** ParagraphObject An index object for the top level text nodes */
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export type ParagraphObject = ObjectValue<
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{
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page: string;
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pos: number;
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text: string;
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} & Record<string, any>
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>;
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export async function indexParagraphs({ name: page, tree }: IndexTreeEvent) {
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const objects: ParagraphObject[] = [];
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const frontmatter = await extractFrontmatter(tree);
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await traverseTreeAsync(tree, async (p) => {
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if (p.type !== "Paragraph") {
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return false;
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}
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if (findParentMatching(p, (n) => n.type === "ListItem")) {
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// Not looking at paragraphs nested in a list
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return false;
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}
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const fullText = renderToText(p);
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// Collect tags and remove from the tree
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const tags = new Set<string>();
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collectNodesOfType(p, "Hashtag").forEach((tagNode) => {
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tags.add(extractHashtag(tagNode.children![0].text!));
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// Hacky way to remove the hashtag
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tagNode.children = [];
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});
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// Extract attributes and remove from tree
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const attrs = await extractAttributes(["paragraph", ...tags], p);
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const text = renderToText(p);
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if (!text.trim()) {
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// Empty paragraph, just tags and attributes maybe
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return true;
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}
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const pos = p.from!;
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const paragraph: ParagraphObject = {
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tag: "paragraph",
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ref: `${page}@${pos}`,
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text: fullText,
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page,
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pos,
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...attrs,
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};
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if (tags.size > 0) {
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paragraph.tags = [...tags];
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paragraph.itags = [...tags];
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}
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updateITags(paragraph, frontmatter);
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objects.push(paragraph);
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// stop on every element except document, including paragraphs
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return true;
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});
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// console.log("Paragraph objects", objects);
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await indexObjects<ParagraphObject>(page, objects);
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}
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