117 lines
3.3 KiB
TypeScript
117 lines
3.3 KiB
TypeScript
import { IndexEvent } from "../../webapp/app_event";
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import { pageLinkRegex } from "../../webapp/constant";
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import { syscall } from "./lib/syscall";
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const wikilinkRegex = new RegExp(pageLinkRegex, "g");
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const atMentionRegex = /(@[A-Za-z\.]+)/g;
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export async function indexLinks({ name, text }: IndexEvent) {
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let backLinks: { key: string; value: string }[] = [];
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// [[Style Links]]
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for (let match of text.matchAll(wikilinkRegex)) {
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let toPage = match[1];
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let pos = match.index!;
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backLinks.push({
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key: `pl:${toPage}:${pos}`,
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value: name,
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});
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}
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// @links
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for (let match of text.matchAll(atMentionRegex)) {
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let toPage = match[1];
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let pos = match.index!;
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backLinks.push({
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key: `pl:${toPage}:${pos}`,
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value: name,
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});
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}
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console.log("Found", backLinks.length, "wiki link(s)");
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// throw Error("Boom");
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await syscall("indexer.batchSet", name, backLinks);
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}
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export async function deletePage() {
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let pageName = await syscall("editor.getCurrentPage");
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console.log("Navigating to start page");
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await syscall("editor.navigate", "start");
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console.log("Deleting page from space");
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await syscall("space.deletePage", pageName);
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}
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export async function renamePage() {
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const oldName = await syscall("editor.getCurrentPage");
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console.log("Old name is", oldName);
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const newName = await syscall(
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"editor.prompt",
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`Rename ${oldName} to:`,
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oldName
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);
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if (!newName) {
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return;
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}
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console.log("New name", newName);
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let pagesToUpdate = await getBackLinks(oldName);
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console.log("All pages containing backlinks", pagesToUpdate);
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let text = await syscall("editor.getText");
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console.log("Writing new page to space");
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await syscall("space.writePage", newName, text);
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console.log("Deleting page from space");
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await syscall("space.deletePage", oldName);
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console.log("Navigating to new page");
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await syscall("editor.navigate", newName);
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let pageToUpdateSet = new Set<string>();
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for (let pageToUpdate of pagesToUpdate) {
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pageToUpdateSet.add(pageToUpdate.page);
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}
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for (let pageToUpdate of pageToUpdateSet) {
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console.log("Now going to update links in", pageToUpdate);
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let { text } = await syscall("space.readPage", pageToUpdate);
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console.log("Received text", text);
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if (!text) {
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// Page likely does not exist, but at least we can skip it
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continue;
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}
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let newText = text.replaceAll(`[[${oldName}]]`, `[[${newName}]]`);
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if (text !== newText) {
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console.log("Changes made, saving...");
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await syscall("space.writePage", pageToUpdate, newText);
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}
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}
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}
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type BackLink = {
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page: string;
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pos: number;
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};
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async function getBackLinks(pageName: string): Promise<BackLink[]> {
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let allBackLinks = await syscall(
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"indexer.scanPrefixGlobal",
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`pl:${pageName}:`
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);
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let pagesToUpdate: BackLink[] = [];
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for (let { key, value } of allBackLinks) {
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let keyParts = key.split(":");
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pagesToUpdate.push({
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page: value,
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pos: +keyParts[keyParts.length - 1],
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});
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}
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return pagesToUpdate;
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}
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export async function showBackLinks() {
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const pageName = await syscall("editor.getCurrentPage");
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let backLinks = await getBackLinks(pageName);
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console.log("Backlinks", backLinks);
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}
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export async function reindex() {
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await syscall("space.reindex");
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}
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