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expressInjector

expressjs middleware for injecting some code in result

usage

var getSnippet = function(){
     return '<!-- labelSimple -->' +
             '<div>simple snippet</div>';
}

var snippetExists = function(body){
    return body.indexOf('labelSimple')>=0;
}

var placeholder = "<simpleSnippetPlaceholder/>";

if placeholder are not specified then snippet was inserted after '' tag

app.use(require('expressInjector')(getSnippet,snippetExists,placeholder));

in index.html or other html file

<html>
    <head></head>
    <body>
        <div>
            Hi people
        </div>
        <simpleSnippetPlaceholder/>
    </body>
</html>

in result we are have

<html>
    <head></head>
    <body>
        <div>
            Hi people
        </div>
        <div>simple snippet</div>
    </body>
</html>