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Prevent Google maps JS executing multiple times caused by Rails Turbolinks

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盖世英雄少女心
盖世英雄少女心 2021-02-19 07:30

I\'m currently working on Rails app that is getting the following error:

You have included the Google Maps API multiple times on this page. This may ca

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  • 小鲜肉
    2021-02-19 07:53

    Adding data-turbolinks-eval="false" to the script tag will tell turbolinks not to re-evaluate it.

    <script async defer src="https://maps.googleapis.com/maps/api/js?signed_in=false&callback=initMap" data-turbolinks-eval="false"></script>

    See https://github.com/turbolinks/turbolinks#working-with-script-elements

    Worked in our case, where all our script tags were in <head> as per turbolinks docs.

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  • 花落未央
    2021-02-19 08:03

    Try this too....

    google.maps.event.addDomListener(window, 'turbolinks:load', initialize);

    And remeber, all google script have to stay after Turbolink, like this:

    = javascript_include_tag 'application', 'data-turbolinks-track': 'reload'
= javascript_include_tag 'https://maps.googleapis.com/maps/api/js', 'data-turbolinks-track': 'reload'
= javascript_include_tag 'gmap', 'data-turbolinks-track': 'reload'

    See more at: https://github.com/turbolinks/turbolinks

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  • 执笔经年
    2021-02-19 08:08

    I had faced the same problem, unfortunately this might be of no help to you after so many months.

    I moved:

    <script type="text/javascript" src="http://maps.google.com/maps/api/js?libraries=places"></script>

    in head tag after <%= csrf_meta_tags %>, and moved the:

    <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>

    after /body tag.

    By doing so I resolved this issue:

    You have included the Google Maps API multiple times on this page. This may cause unexpected errors.

    Added data-no-turbolink to the link in navigation bar, the page where I have map. This helped me keep using turbolinks in all pages without that error and as well as let me generate the map when that page was accessed.

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  • 我在风中等你
    2021-02-19 08:15

    Instead of <script async defer src="https://maps.googleapis.com/maps/api/js?signed_in=false&callback=initMap"></script> make it a regular <script></script> tag and add the following below your initMap function: 

    if(window.google){
  initMap();
} else{
  $.ajax('https://maps.googleapis.com/maps/api/js?signed_in=false&callback=initMap', {
    crossDomain: true,
    dataType: 'script'
  });
}

    If you aren't using jquery then just use XMLHttpRequest instead.

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  • 悲&欢浪女
    2021-02-19 08:18

    adding data-turbolinks-eval=false to the script tag solves the problem

    See the docks of the turbolinks gem for more details https://github.com/turbolinks/turbolinks-classic#evaluating-script-tags

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