31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
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// # Content Helper
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// Usage: `{{content}}`, `{{content words="20"}}`, `{{content characters="256"}}`
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//
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// Turns content html into a safestring so that the user doesn't have to
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// escape it or tell handlebars to leave it alone with a triple-brace.
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//
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// Enables tag-safe truncation of content by characters or words.
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var hbs = require('express-hbs'),
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_ = require('lodash'),
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downsize = require('downsize'),
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content;
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content = function (options) {
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var truncateOptions = (options || {}).hash || {};
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truncateOptions = _.pick(truncateOptions, ['words', 'characters']);
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_.keys(truncateOptions).map(function (key) {
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truncateOptions[key] = parseInt(truncateOptions[key], 10);
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});
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if (truncateOptions.hasOwnProperty('words') || truncateOptions.hasOwnProperty('characters')) {
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return new hbs.handlebars.SafeString(
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downsize(this.html, truncateOptions)
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);
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}
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return new hbs.handlebars.SafeString(this.html);
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};
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module.exports = content;
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