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Improve Underscore.js rendering support.
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src/helpers/underscore-helpers.js
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34
src/helpers/underscore-helpers.js
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@ -0,0 +1,34 @@
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/**
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Template helper definitions for Underscore.
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@license MIT. Copyright (c) 2016 hacksalot (https://github.com/hacksalot)
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@module handlebars-helpers.js
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*/
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(function() {
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var HANDLEBARS = require('handlebars')
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, _ = require('underscore')
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, helpers = require('./generic-helpers');
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/**
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Register useful Underscore helpers.
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@method registerHelpers
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*/
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module.exports = function( theme, opts, cssInfo, ctx, eng ) {
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helpers.theme = theme;
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helpers.opts = opts;
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helpers.cssInfo = cssInfo;
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helpers.engine = eng;
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ctx.h = helpers;
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_.each( helpers, function( hVal, hKey ) {
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if( _.isFunction( hVal )) {
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_.bind( hVal, ctx );
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}
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}, this);
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};
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}());
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@ -8,7 +8,9 @@ Definition of the UnderscoreGenerator class.
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var _ = require('underscore');
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var _ = require('underscore')
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, registerHelpers = require('../helpers/underscore-helpers')
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, HMSTATUS = require('../core/status-codes');
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/**
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@ -17,6 +19,23 @@ Definition of the UnderscoreGenerator class.
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*/
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var UnderscoreGenerator = module.exports = {
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generateSimple: function( data, tpl ) {
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try {
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// Compile and run the Handlebars template.
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var template = _.template( tpl );
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return template( data );
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}
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catch( ex ) {
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throw {
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fluenterror: template ?
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HMSTATUS.invokeTemplate : HMSTATUS.compileTemplate,
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inner: ex
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};
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}
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},
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generate: function( json, jst, format, cssInfo, opts, theme ) {
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// Tweak underscore's default template delimeters
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@ -31,23 +50,20 @@ Definition of the UnderscoreGenerator class.
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// Strip {# comments #}
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jst = jst.replace( delims.comment, '');
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var helpers = require('../helpers/generic-helpers');
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helpers.opts = opts;
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helpers.cssInfo = cssInfo;
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// Compile and run the template. TODO: avoid unnecessary recompiles.
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var compiled = _.template(jst);
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var ret = compiled({
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var ctx = {
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r: format === 'html' || format === 'pdf' || format === 'png' ? json.markdownify() : json,
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filt: opts.filters,
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XML: require('xml-escape'),
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RAW: json,
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cssInfo: cssInfo,
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//engine: this,
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headFragment: opts.headFragment || '',
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opts: opts,
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h: helpers
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});
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return ret;
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opts: opts
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};
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registerHelpers( theme, opts, cssInfo, ctx, this );
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return this.generateSimple( ctx, jst );
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}
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};
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