main.js

/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// main.ts
var main_exports = {};
__export(main_exports, {
  default: () => HeadingDisplayPlugin
});
module.exports = __toCommonJS(main_exports);
var import_obsidian = require("obsidian");
var HeadingDisplayPlugin = class extends import_obsidian.Plugin {
  async onload() {
    console.log("Heading Display Plugin loaded!");
    this.registerEvent(
      this.app.vault.on("modify", this.updateFileExplorerDisplay.bind(this))
    );
    this.app.workspace.onLayoutReady(() => {
      this.updateFileExplorerDisplay();
    });
  }
  onunload() {
    console.log("Heading Display Plugin unloaded!");
  }
  /**
   * Updates the File Explorer to show the first heading, or falls back to the filename.
   */
  async updateFileExplorerDisplay() {
    const files = this.app.vault.getFiles();
    for (const file of files) {
      if (!(file instanceof import_obsidian.TFile))
        continue;
      const content = await this.app.vault.cachedRead(file);
      const contentWithoutYaml = this.removeYamlHeader(content);
      const firstHeading = this.getFirstHeading(contentWithoutYaml);
      const fileExplorerElement = document.querySelector(
        `[data-path="${file.path}"] .nav-file-title-content`
      );
      if (fileExplorerElement) {
        fileExplorerElement.textContent = firstHeading || file.basename;
      }
    }
  }
  /**
   * Removes the YAML header from the file content.
   *
   * @param {string} content - The content of the file.
   * @returns {string} - The content without the YAML header.
   */
  removeYamlHeader(content) {
    if (content.startsWith("---")) {
      const yamlEnd = content.indexOf("\n---", 3);
      if (yamlEnd !== -1) {
        return content.slice(yamlEnd + 4).trim();
      }
    }
    return content;
  }
  /**
   * Extracts the first heading from the file content.
   *
   * @param {string} content - The content of the file.
   * @returns {string | null} - The first heading found, or null if none exists.
   */
  getFirstHeading(content) {
    const match = content.match(/^\s*#+\s+(.*)/m);
    return match ? match[1].trim() : null;
  }
};
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