kpdecker
93 lines
2.0 KiB
JavaScript
93 lines
2.0 KiB
JavaScript
// BEGIN(BROWSER)
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var Handlebars = {};
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Handlebars.VERSION = "1.0.beta.2";
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Handlebars.helpers = {};
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Handlebars.partials = {};
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Handlebars.registerHelper = function(name, fn, inverse) {
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if(inverse) { fn.not = inverse; }
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this.helpers[name] = fn;
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};
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Handlebars.registerPartial = function(name, str) {
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this.partials[name] = str;
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};
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Handlebars.registerHelper('helperMissing', function(arg) {
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if(arguments.length === 2) {
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return undefined;
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} else {
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throw new Error("Could not find property '" + arg + "'");
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}
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});
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Handlebars.registerHelper('blockHelperMissing', function(context, options) {
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var inverse = options.inverse || function() {}, fn = options.fn;
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var ret = "";
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var type = Object.prototype.toString.call(context);
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if(type === "[object Function]") {
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context = context();
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}
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if(context === true) {
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return fn(this);
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} else if(context === false || context == null) {
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return inverse(this);
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} else if(type === "[object Array]") {
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if(context.length > 0) {
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for(var i=0, j=context.length; i<j; i++) {
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ret = ret + fn(context[i]);
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}
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} else {
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ret = inverse(this);
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}
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return ret;
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} else {
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return fn(context);
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}
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});
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Handlebars.registerHelper('each', function(context, options) {
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var fn = options.fn, inverse = options.inverse;
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var ret = "";
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if(context && context.length > 0) {
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for(var i=0, j=context.length; i<j; i++) {
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ret = ret + fn(context[i]);
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}
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} else {
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ret = inverse(this);
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}
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return ret;
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});
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Handlebars.registerHelper('if', function(context, options) {
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if(!context || Handlebars.Utils.isEmpty(context)) {
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return options.inverse(this);
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} else {
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return options.fn(this);
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}
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});
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Handlebars.registerHelper('unless', function(context, options) {
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var fn = options.fn, inverse = options.inverse;
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options.fn = inverse;
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options.inverse = fn;
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return Handlebars.helpers['if'].call(this, context, options);
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});
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Handlebars.registerHelper('with', function(context, options) {
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return options.fn(context);
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});
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// END(BROWSER)
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module.exports = Handlebars;
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