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'use strict'
const h = require('highland')
const fs = require('fs')
const rheo = require('rheo')
const indent = require('indent-string')
const toLines = string =>
string.split('\n').map((s, i, arr) => (i === arr.length - 1 ? s : s + '\n'))
const getTemplate = name =>
fs.readFileSync(`${__dirname}/templates/${name}.html`, 'utf8')
const findMain = /^(\s+)<main/m
const baseIndentLevel = findMain.exec(getTemplate('layout'))[1].length
const postIndentLevel =
baseIndentLevel + findMain.exec(getTemplate('post'))[1].length
function indentForTemplate (text, indentLevel) {
return indent(text, indentLevel).slice(indentLevel).replace(/\n+$/, '')
}
function templateReader (template, indentLevel) {
const content = toLines(indentForTemplate(getTemplate(template), indentLevel))
console.log(template, content)
return () => h(content)
}
const templates = {
layout: templateReader('layout'),
home: templateReader('home', baseIndentLevel),
post: templateReader('post', baseIndentLevel),
taxon: templateReader('taxon', baseIndentLevel)
}
function setTitle (siteTitle, pageTitle) {
return rheo.template(function (s) {
return s
.inner('title', rheo((pageTitle ? ' · ' : '') + siteTitle))
.inner('body header h1', rheo(siteTitle))
})
}
function renderPostListItem (ctx) {
return function (template, [, post]) {
return template
.attribute('a', 'href', () => ctx.getURL('post', post.basename))
.inner('a', () => rheo(post.data.get('title')))
}
}
function showPage (name) {
return function (els) {
return rheo(templates[name]())
}
}
module.exports = {
baseIndentLevel,
postIndentLevel,
indentForTemplate,
home (ctx, config, postsStream) {
ctx.type = 'html'
ctx.body = templates
.layout()
.pipe(rheo())
.outer('main', showPage('home'))
.inner('.posts', function (postsTemplate) {
return postsStream.pipe(postsTemplate.map(renderPostListItem(ctx)))
})
.pipe(setTitle(config.site.title))
.render()
},
post (ctx, config, post) {
ctx.type = 'html'
ctx.body = templates
.layout()
.pipe(rheo())
.outer('main', showPage('post'))
.inner('article h1', rheo(post.data.get('title')))
.outer('article main', rheo(post.body))
.pipe(setTitle(config.site.title, post.data.get('title')))
.render()
},
taxon (ctx, config, taxonItems) {
ctx.type = 'html'
ctx.body = templates
.layout()
.pipe(rheo())
.outer('main', showPage('taxon'))
.inner('h1', rheo(config.site.title))
.inner('.posts', function (postsTemplate) {
return taxonItems.pipe(postsTemplate.map(renderPostListItem(ctx)))
})
.pipe(setTitle(config.site.title))
.render()
}
}
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