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243b387063
refs #8126, #8221, #8223 ✨ New 'Proxy' for all helper requires - this is not currently enforced, but could be, much like apps - the proxy object is HUGE - changed date to use SafeString, this should have been there anyway - use the proxy for all helpers, including those in apps 😁 ✨ 🎨 Single instance of hbs for theme + for errors - we now have theme/engine instead of requiring express-hbs everywhere - only error-handler still also requires express-hbs, this is so that we can render errors without extra crud - TODO: remove the asset helper after #8126 IF it is not needed, or else remove the TODO 🎨 Cleanup visibility utils 🎨 Clean up the proxy a little bit 🚨 Unskip test as it now works! 🎨 Minor amends as per comments
78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
// ### Navigation Helper
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// `{{navigation}}`
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// Outputs navigation menu of static urls
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var proxy = require('./proxy'),
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_ = require('lodash'),
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SafeString = proxy.SafeString,
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i18n = proxy.i18n,
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errors = proxy.errors,
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templates = proxy.templates;
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module.exports = function navigation(options) {
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var navigationData = options.data.blog.navigation,
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currentUrl = options.data.root.relativeUrl,
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self = this,
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output,
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data;
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if (!_.isObject(navigationData) || _.isFunction(navigationData)) {
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throw new errors.IncorrectUsageError({
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message: i18n.t('warnings.helpers.navigation.invalidData')
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});
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}
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if (navigationData.filter(function (e) {
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return (_.isUndefined(e.label) || _.isUndefined(e.url));
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}).length > 0) {
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throw new errors.IncorrectUsageError({
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message: i18n.t('warnings.helpers.navigation.valuesMustBeDefined')
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});
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}
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// check for non-null string values
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if (navigationData.filter(function (e) {
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return ((!_.isNull(e.label) && !_.isString(e.label)) ||
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(!_.isNull(e.url) && !_.isString(e.url)));
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}).length > 0) {
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throw new errors.IncorrectUsageError({
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message: i18n.t('warnings.helpers.navigation.valuesMustBeString')
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});
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}
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function _slugify(label) {
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return label.toLowerCase().replace(/[^\w ]+/g, '').replace(/ +/g, '-');
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}
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// strips trailing slashes and compares urls
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function _isCurrentUrl(href, currentUrl) {
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if (!currentUrl) {
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return false;
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}
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var strippedHref = href.replace(/\/+$/, ''),
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strippedCurrentUrl = currentUrl.replace(/\/+$/, '');
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return strippedHref === strippedCurrentUrl;
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}
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// {{navigation}} should no-op if no data passed in
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if (navigationData.length === 0) {
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return new SafeString('');
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}
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output = navigationData.map(function (e) {
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var out = {};
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out.current = _isCurrentUrl(e.url, currentUrl);
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out.label = e.label;
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out.slug = _slugify(e.label);
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out.url = e.url;
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out.secure = self.secure;
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return out;
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});
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data = _.merge({}, {navigation: output});
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return templates.execute('navigation', data, options);
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};
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