state machine => export.js

Cities Alive Ebook to Html/CA_ebook_YK_18.11-web-resources/js/index.js

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+(function main () {
+
+// index to sections of the work
+
+var divs = $('div')
+var front = divs.get(2), toc = divs.get(3), body = divs.get(6), foot = divs.get(7)
+console.log({front:div(front), toc:div(toc), body:div(body), foot:div(foot)})
+function div (e) { return $(e).find('p').map(p) }
+function p (i,e) { return e.className + ' ⇒ ' + $(e).text() }
+
+// emit json for body pages
+
+var index = {title:'Index', story:[]}
+var page = {title:'Prefix', story:[]}
+var site = {index:index}
+
+function begin (e) {
+  title = $(e).text()
+  page.journal = ([{type:'create', item:deepCopy(page), date:Date.now()}])
+  slug = asSlug(page.title)
+  site[slug] = page
+  page = {title: title, story:[]}
+  item = {type:'paragraph', id:id(), text:e.className + ' ⇒ [[' + title + ']]'}
+  index.story.push(item)    
+}
+
+$(body).find('p').map(para)
+function para (i,e) {
+  switch (e.className) {
+  case 'BOOK_Titles_Section-subtitle':
+    begin(e)
+    break
+  case 'BOOK_Titles_Chapter-title':
+  case 'BOOK_Titles_Chapter-Intro--etc':
+    begin(e)
+    break
+  default:
+    item = {type:'html', id:id(), text:e.className + ' ⇒ ' + $(e).html()}
+    page.story.push(item)    
+  }
+}
+
+begin('Sufix')
+var json = JSON.stringify(site, null, '  ')
+download(json, 'export.json', 'text/plain')
+
+// utility functions
+
+function deepCopy (obj) {
+  return JSON.parse(JSON.stringify(obj))
+}
+
+function id () {
+  return Math.floor(Math.random()*1000000000000000).toString()
+}
+
+function asSlug (name) {
+  return name
+    .replace(/\s/g, '-')
+    .replace(/[^A-Za-z0-9-]/g, '')
+    .toLowerCase()
+}
+
+function download(text, name, type) {
+  var a = document.createElement("a");
+  var file = new Blob([text], {type: type});
+  a.href = URL.createObjectURL(file);
+  a.download = name;
+  a.click();
+}
+
+})()