const { sentenceCase } = require('change-case') const GithubSlugger = require('github-slugger') const slugger = new GithubSlugger() const inputOrPayload = /(Input|Payload)$/m module.exports = function processPreviews (previews) { // clean up raw yml data previews.forEach(preview => { // remove any extra info that follows a hyphen preview.title = sentenceCase(preview.title.replace(/ -.+/, '')) .replace('it hub', 'itHub') // fix overcorrected `git hub` from sentenceCasing // Add `preview` to the end of titles if needed preview.title = preview.title.endsWith('preview') ? preview.title : `${preview.title} preview` // filter out schema members that end in `Input` or `Payload` preview.toggled_on = preview.toggled_on.filter(schemaMember => !inputOrPayload.test(schemaMember)) // remove unnecessary leading colon preview.toggled_by = preview.toggled_by.replace(':', '') // add convenience properties preview.accept_header = `application/vnd.github.${preview.toggled_by}+json` delete preview.announcement delete preview.updates slugger.reset() preview.href = `/graphql/overview/schema-previews#${slugger.slug(preview.title)}` }) return previews }