Ghost/core/frontend/helpers/body_class.js
Hannah Wolfe fd20f90cca
Divided f/e proxy into true proxy + rendering service
- The original intention of the proxy was to collect up all the requires in our helpers into one place
- This has since been expanded and used in more places, in more ways
- In hindsight there are now multiple different types of requires in the proxy:
   - One: true frontend rendering framework requires (stuff from deep inside theme-engine)
   - Two: data manipulation/sdk stuff, belongs to the frontend, ways to process API data
   - Three: actual core stuff from Ghost, that we wish wasn't here / needs to be passed in a controlled way
- This commit pulls out One into a new rendering service, so at least that stuff is managed independently
- This draws the lines clearly between what's internal to the frontend and what isn't
- It also highlights that the theme-engine needs to be divided up / refactored so that we don't have these deep requires
2021-09-29 13:10:14 +01:00

46 lines
1.4 KiB
JavaScript

// # Body Class Helper
// Usage: `{{body_class}}`
//
// Output classes for the body element
const {SafeString} = require('../services/rendering');
// We use the name body_class to match the helper for consistency
module.exports = function body_class(options) { // eslint-disable-line camelcase
let classes = [];
const context = options.data.root.context || [];
const obj = this.post || this.page;
const tags = obj && obj.tags ? obj.tags : [];
const isPage = !!(obj && obj.page);
if (context.includes('home')) {
classes.push('home-template');
} else if (context.includes('post') && obj) {
classes.push('post-template');
} else if (context.includes('page') && obj && isPage) {
classes.push('page-template');
classes.push(`page-${obj.slug}`);
} else if (context.includes('tag') && this.tag) {
classes.push('tag-template');
classes.push(`tag-${this.tag.slug}`);
} else if (context.includes('author') && this.author) {
classes.push('author-template');
classes.push(`author-${this.author.slug}`);
} else if (context.includes('private')) {
classes.push('private-template');
}
if (tags) {
classes = classes.concat(
tags.map(({slug}) => `tag-${slug}`)
);
}
if (context.includes('paged')) {
classes.push('paged');
}
classes = classes.join(' ').trim();
return new SafeString(classes);
};