main.ts

import { Menu, Notice, Plugin } from "obsidian";
import { SearchLeafView } from "./types";

declare module "obsidian" {
  interface Workspace {
    on(name: "search:results-menu", callback: (menu: Menu) => any): EventRef;
  }
}

export default class CopySearchUrl extends Plugin {
  async onload() {
    this.app.workspace.onLayoutReady(() => {
      if (this.isSearchDisabled()) {
        new Notice(
          "Core search plugin is disabled, can't set up Copy Search URL plugin! Please enable core Search plugin and reload.",
        );
        return;
      }

      this.registerEvent(
        this.app.workspace.on(
          "search:results-menu",
          (menu: Menu) => {
            menu.addItem((item) => {
              item
                .setTitle("Copy Obsidian search URL")
                .setIcon("link")
                .onClick(async () => {
                  if (this.getSearchQuery() === "") {
                    return;
                  }

                  await navigator.clipboard.writeText(this.getObsidianUrl());
                  new Notice("Obsidian search URL copied!");
                });
            });
          },
        ),
      );
    });
  }

  private isSearchDisabled() {
    return this.getSearchLeaf() === undefined;
  }

  private getSearchLeaf() {
    return this.app.workspace.getLeavesOfType("search")[0];
  }

  private getSearchQuery() {
    return (<SearchLeafView> this.getSearchLeaf().view)?.getQuery() || "";
  }

  private getObsidianUrl() {
    const query = encodeURIComponent(this.getSearchQuery());
    const vault = encodeURIComponent(this.app.vault.getName());
    return `obsidian://search?vault=${vault}&query=${query}`;
  }
}