Micro templating

JavaScript micro-templating, similar to John Resig's implementation.

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greatest.deepsurf.us/scripts/15246/95830/Micro%20templating.js

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// ==UserScript==
// @name               Micro templating
// @description        JavaScript micro-templating, similar to John Resig's implementation. 
// @version            0.1
// ==/UserScript==
/*!
    Underscore.js templates as a standalone implementation. 
    JavaScript micro-templating, similar to John Resig's implementation. 
    Underscore templates documentation: http://documentcloud.github.com/underscore/#template
    Modifyed by Martin Lundgren
*/
(function () {

    'use strict';

    // By default, Underscore uses ERB-style template delimiters, change the
    // following template settings to use alternative delimiters.
    var settings = {
        evaluate: /<%([\s\S]+?)%>/g,
        interpolate: /<%=([\s\S]+?)%>/g,
        escape: /<%-([\s\S]+?)%>/g
    };

    // When customizing `templateSettings`, if you don't want to define an
    // interpolation, evaluation or escaping regex, we need one that is
    // guaranteed not to match.
    var noMatch = /.^/;

    // Certain characters need to be escaped so that they can be put into a
    // string literal.
    var escapes = {
        '\\': '\\',
        "'": "'",
        'r': '\r',
        'n': '\n',
        't': '\t',
        'u2028': '\u2028',
        'u2029': '\u2029'
    };

    for (var p in escapes) {
        escapes[escapes[p]] = p;
    }

    var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
    var unescaper = /\\(\\|'|r|n|t|u2028|u2029)/g;

    var tmpl = function (text, data, objectName) {
        settings.variable = objectName;

        // Compile the template source, taking care to escape characters that
        // cannot be included in a string literal and then unescape them in code
        // blocks.
        var source = "__p+='" + text
            .replace(escaper, function (match) {
                return '\\' + escapes[match];
            })
            .replace(settings.escape || noMatch, function (match, code) {
                return "'+\n_.escape(" + unescape(code) + ")+\n'";
            })
            .replace(settings.interpolate || noMatch, function (match, code) {
                return "'+\n(" + unescape(code) + ")+\n'";
            })
            .replace(settings.evaluate || noMatch, function (match, code) {
                return "';\n" + unescape(code) + "\n;__p+='";
            }) + "';\n";

        // If a variable is not specified, place data values in local scope.
        if (!settings.variable) {
            source = 'with(obj||{}){\n' + source + '}\n';
        }

        source = "var __p='';var print=function(){__p+=Array.prototype.join.call(arguments, '')};\n" + source + "return __p;\n";

        var render = new Function(settings.variable || 'obj', source);

        if (data) {
            return render(data);
        }

        var template = function (data) {
            return render.call(this, data);
        };

        // Provide the compiled function source as a convenience for build time
        // precompilation.
        template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';

        return template;
    };

    window._tmpl = tmpl;

}());