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59b9f161dd
- the helper dir also contained some code used with helpers - utils and helper-helpers? - the goal here was for helpers to be the only thing in their folder so we can look at moving them out - all other code has been moved to services/themes for now, which is not the right place either - services/themes is a catch-all for theme storage, loading, validation, rendering and more, needs to be broken down
63 lines
2.2 KiB
JavaScript
63 lines
2.2 KiB
JavaScript
// # link helper
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const _ = require('lodash');
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const {config, SafeString, errors, i18n, localUtils} = require('../services/proxy');
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const {buildLinkClasses} = localUtils;
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const managedAttributes = ['href', 'class', 'activeClass', 'parentActiveClass'];
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function _formatAttrs(attributes) {
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let attributeString = '';
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Object.keys(attributes).forEach((key) => {
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let value = attributes[key];
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// @TODO handle non-string attributes?
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attributeString += `${key}="${value}"`;
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});
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return attributeString;
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}
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module.exports = function link(options) {
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options = options || {};
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options.hash = options.hash || {};
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options.data = options.data || {};
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// If there is no href provided, this is theme dev error, so we throw an error to make this clear.
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if (!_.has(options.hash, 'href')) {
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throw new errors.IncorrectUsageError({
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message: i18n.t('warnings.helpers.link.hrefIsRequired')
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});
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}
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// If the href attribute is empty, this is probably a dynamic data problem, hard for theme devs to track down
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// E.g. {{#link for=slug}}{{/link}} in a context where slug returns an empty string
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// Error's here aren't useful (same as with empty get helper filters) so we fallback gracefully
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if (!options.hash.href) {
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options.hash.href = '';
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}
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let href = options.hash.href.string || options.hash.href;
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// Calculate dynamic properties
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let classes = buildLinkClasses(config.get('url'), href, options);
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// Remove all the attributes we don't want to do a one-to-one mapping of
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managedAttributes.forEach((attr) => {
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delete options.hash[attr];
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});
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// Setup our one-to-one mapping of attributes;
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let attributes = options.hash;
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// Prepare output
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let classString = classes.length > 0 ? `class="${classes.join(' ')}"` : '';
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let hrefString = `href="${href}"`;
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let attributeString = _.size(attributes) > 0 ? _formatAttrs(attributes) : '';
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let openingTag = `<a ${classString} ${hrefString} ${attributeString}>`;
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let closingTag = `</a>`;
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// Clean up any extra spaces
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openingTag = openingTag.replace(/\s{2,}/g, ' ').replace(/\s>/, '>');
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return new SafeString(`${openingTag}${options.fn(this)}${closingTag}`);
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};
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