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Frontend

Script Injection​

When Wails serves your index.html, by default, it will inject 2 script entries into the <body> tag to load /wails/ipc.js and /wails/runtime.js. These files install the bindings and runtime respectively.

The code below shows where these are injected by default:

<html>
  <head>
    <title>injection example</title>
    <link rel="stylesheet" href="/main.css" />
    <!--     <script src="/wails/ipc.js"></script> -->
    <!--     <script src="/wails/runtime.js"></script> -->
  </head>

  <body data-wails-drag>
    <div class="logo"></div>
    <div class="result" id="result">Please enter your name below 👇</div>
    <div class="input-box" id="input" data-wails-no-drag>
      <input class="input" id="name" type="text" autocomplete="off" />
      <button class="btn" onclick="greet()">Greet</button>
    </div>

    <script src="/main.js"></script>
  </body>
</html>

Overriding Default Script Injection​

To provide more flexibility to developers, there is a meta tag that may be used to customise this behaviour:

<meta name="wails-options" content="[options]" />

The options are as follows:

ValueDescription
noautoinjectruntimeDisable the autoinjection of /wails/runtime.js
noautoinjectipcDisable the autoinjection of /wails/ipc.js
noautoinjectDisable all autoinjection of scripts

Multiple options may be used provided they are comma seperated.

This code is perfectly valid and operates the same as the autoinjection version:

<html>
  <head>
    <title>injection example</title>
    <meta name="wails-options" content="noautoinject" />
    <link rel="stylesheet" href="/main.css" />
  </head>

  <body data-wails-drag>
    <div class="logo"></div>
    <div class="result" id="result">Please enter your name below 👇</div>
    <div class="input-box" id="input" data-wails-no-drag>
      <input class="input" id="name" type="text" autocomplete="off" />
      <button class="btn" onclick="greet()">Greet</button>
    </div>

    <script src="/wails/ipc.js"></script>
    <script src="/wails/runtime.js"></script>
    <script src="/main.js"></script>
  </body>
</html>