mkdocs-material/src/overrides/assets/javascripts/index.ts

/*
 * Copyright (c) 2016-2020 Martin Donath <martin.donath@squidfunk.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

import { Observable, fromEvent, merge } from "rxjs"
import { switchMap } from "rxjs/operators"

import {
  getComponentElements,
  mountIconSearch
} from "./components"

/* ----------------------------------------------------------------------------
 * Application
 * ------------------------------------------------------------------------- */

/* Set up extra component observables */
declare const document$: Observable<Document>
document$
  .pipe(
    switchMap(() => merge(

      /* Icon search */
      ...getComponentElements("icon-search")
        .map(child => mountIconSearch(child))
    ))
  )
    .subscribe()

// Track click events
fromEvent(document.body, "click")
  .subscribe(ev => {
    if (ev.target instanceof HTMLElement) {
      const el2 = ev.target.closest("a[href^=http]")
      if (el2 instanceof HTMLLinkElement)
        ga("send", "event", "outbound", "click", el2.href)
    }
  })