29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
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/**
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* Generates a Handlebars block helper called #ifpage for use in templates. This helper must be re-generated for every page that's rendered, because the return value of the function is dependent on the name of the current page.
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* @param {string} pageName - Name of the page to use in the helper function.
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* @returns {function} A Handlebars helper function.
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*/
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module.exports = function(pageName) {
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/**
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* Handlebars block helper that renders the content inside of it based on the current page.
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* @param {string...} pages - One or more pages to check.
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* @param (object) options - Handlebars object.
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* @example
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* {{#ifpage 'index' 'about'}}This must be the index or about page.{{/ifpage}}
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* @return The content inside the helper if a page matches, or an empty string if not.
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*/
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return function() {
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var params = Array.prototype.slice.call(arguments);
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var pages = params.slice(0, -1);
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var options = params[params.length - 1];
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for (var i in pages) {
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if (pages[i] === pageName) {
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return options.fn(this);
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}
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}
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return '';
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}
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}
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