53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
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(function () {
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"use strict";
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var fs = require('fs'),
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path = require('path'),
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_ = require('underscore'),
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handlebars = require('express-hbs').handlebars,
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nodefn = require('when/node/function'),
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GhostNavHelper;
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GhostNavHelper = function (navTemplate) {
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// Bind the context for our methods.
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_.bindAll(this, 'compileTemplate', 'renderNavItems');
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if (_.isFunction(navTemplate)) {
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this.navTemplateFunc = navTemplate;
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} else {
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this.navTemplatePath = navTemplate;
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}
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};
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GhostNavHelper.prototype.compileTemplate = function (templatePath) {
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var self = this;
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// Allow people to overwrite the navTemplatePath
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templatePath = templatePath || this.navTemplatePath;
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return nodefn.call(fs.readFile, templatePath).then(function(navTemplateContents) {
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// TODO: Can handlebars compile async?
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self.navTemplateFunc = handlebars.compile(navTemplateContents.toString());
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});
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};
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GhostNavHelper.prototype.renderNavItems = function (navItems) {
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var output;
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output = this.navTemplateFunc({links: navItems});
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return output;
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};
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// A static helper method for registering with ghost
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GhostNavHelper.registerWithGhost = function(ghost) {
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var templatePath = path.join(ghost.paths().frontendViews, 'nav.hbs'),
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ghostNavHelper = new GhostNavHelper(templatePath);
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return ghostNavHelper.compileTemplate().then(function() {
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ghost.registerThemeHelper("ghostNav", ghostNavHelper.renderNavItems);
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});
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};
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module.exports = GhostNavHelper;
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}());
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