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35e3e0708c
- The proxy is not a helper, we want the helpers folder to only include helpers - The proxy is also meant to be the interface to Ghost for the helpers, and we want to enforce that - This is a small step on the way
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
// # Excerpt Helper
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// Usage: `{{excerpt}}`, `{{excerpt words="50"}}`, `{{excerpt characters="256"}}`
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//
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// Attempts to remove all HTML from the string, and then shortens the result according to the provided option.
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//
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// Defaults to words="50"
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const {SafeString, metaData} = require('../services/proxy');
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const _ = require('lodash');
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const getMetaDataExcerpt = metaData.getMetaDataExcerpt;
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module.exports = function excerpt(options) {
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let truncateOptions = (options || {}).hash || {};
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let excerptText;
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if (this.custom_excerpt) {
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excerptText = String(this.custom_excerpt);
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} else if (this.html) {
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excerptText = String(this.html);
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} else if (this.excerpt) {
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excerptText = String(this.excerpt);
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} else {
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excerptText = '';
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}
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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 (!_.isEmpty(this.custom_excerpt)) {
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truncateOptions.characters = this.custom_excerpt.length;
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if (truncateOptions.words) {
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delete truncateOptions.words;
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}
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}
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return new SafeString(
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getMetaDataExcerpt(excerptText, truncateOptions)
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);
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};
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