Joshua Bemenderfer 9d9757e868 Updates.
2025-09-08 16:24:38 -04:00

62 lines
1.5 KiB
JavaScript

import knownNodes from './nodes/index.js'
import { useDocument } from '@terrace-lang/js'
import { createFileReader } from '@terrace-lang/js/readers/node-readline'
import process from 'node:process'
import path from 'node:path'
export default async function (filePath) {
filePath = path.resolve(filePath)
const doc = useDocument(createFileReader(filePath), ' ')
const page = {
type: `Page`,
title: '',
description: [],
layout: '',
headings: [],
children: []
}
const context = {
page,
filePath
}
const originalCWD = process.cwd()
for await (const node of doc) {
if (node.isEmpty()) continue
if (node.is('title')) page.title = node.tail
else if (node.is('layout')) page.layout = node.tail
else if (node.is('description')) {
for await (const child of node.children()) {
page.description.push(child.content)
}
}
else if (node.is('Section')) {
page.children.push(await knownNodes.Section(doc, node, context))
}
else if (node.is('Include')) {
page.children.push(await knownNodes.Include(doc, node, context))
}
}
process.chdir(originalCWD)
// Structure headings into tree.
page.headings.forEach((heading, index) => {
let parent = null
for (let i = index; i > 0; --i) {
if (page.headings[i].level === heading.level - 1) {
parent = page.headings[i]
break
}
}
if (parent) parent.children.push(heading)
})
page.headings = page.headings.filter(h => h.level === 2)
return page
}