cebcf27b6b
no issue - when the page is missing the context can be undefined, this defaults it to an empty array so that later `context.includes()` calls don't error
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
// # Body Class Helper
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// Usage: `{{body_class}}`
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//
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// Output classes for the body element
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const {SafeString} = require('./proxy');
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// We use the name body_class to match the helper for consistency
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module.exports = function body_class(options) { // eslint-disable-line camelcase
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let classes = [];
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const context = options.data.root.context || [];
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const obj = this.post || this.page;
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const tags = obj && obj.tags ? obj.tags : [];
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const isPage = !!(obj && obj.page);
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if (context.includes('home')) {
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classes.push('home-template');
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} else if (context.includes('post') && obj) {
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classes.push('post-template');
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} else if (context.includes('page') && obj && isPage) {
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classes.push('page-template');
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classes.push(`page-${obj.slug}`);
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} else if (context.includes('tag') && this.tag) {
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classes.push('tag-template');
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classes.push(`tag-${this.tag.slug}`);
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} else if (context.includes('author') && this.author) {
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classes.push('author-template');
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classes.push(`author-${this.author.slug}`);
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} else if (context.includes('private')) {
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classes.push('private-template');
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}
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if (tags) {
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classes = classes.concat(
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tags.map(({slug}) => `tag-${slug}`)
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);
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}
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if (context.includes('paged')) {
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classes.push('paged');
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}
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classes = classes.join(' ').trim();
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return new SafeString(classes);
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};
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