Merge remote-tracking branch 'upstream/master' into init-stores-with-state

* upstream/master:
  6.12.1
  6.12.0
  typings: add app to app.use cb (#665)
  update dependencies (#663)
  ci: Node 7 → Node 10 (#661)
  Update bel and yo-yoify references in docs to nanohtml. (#660)
  Build for UMD (#617)
  6.11.0
  Use nanoassert in the browser (#651)
  Switch to nanohtml (#644)
  v6.11.0-preview1
  choo components (#639)

Author: tornqvist

.travis.yml

@@ -1,7 +1,7 @@
 node_js:
 - '6'
-- '7'
 - '8'
+- '10'
 sudo: false
 language: node_js
 env:

README.md

@@ -382,9 +382,9 @@ We use the `require('assert')` module from Node core to provide helpful error
 messages in development. In production you probably want to strip this using
 [unassertify][unassertify].
 
-To convert inlined HTML to valid DOM nodes we use `require('bel')`. This has
+To convert inlined HTML to valid DOM nodes we use `require('nanohtml')`. This has
 overhead during runtime, so for production environments we should unwrap this
-using [yo-yoify][yo-yoify].
+using the [nanohtml transform][nanohtml].
 
 Setting up browserify transforms can sometimes be a bit of hassle; to make this
 more convenient we recommend using [bankai build][bankai] to build your assets for production.
@@ -414,9 +414,9 @@ answer short: we're using something even better.
 ### How can I support older browsers?
 Template strings aren't supported in all browsers, and parsing them creates
 significant overhead. To optimize we recommend running `browserify` with
-[yo-yoify][yo-yoify] as a global transform or using [bankai][bankai] directly.
+[nanohtml][nanohtml] as a global transform or using [bankai][bankai] directly.
 ```sh
-$ browserify -g yo-yoify
+$ browserify -g nanohtml
 ```
 
 ### Is choo production ready?
@@ -479,11 +479,11 @@ Render the application to a string. Useful for rendering on the server.
 
 ### `choo/html`
 Create DOM nodes from template string literals. Exposes
-[bel](https://github.com/shama/bel). Can be optimized using
-[yo-yoify][yo-yoify].
+[nanohtml](https://github.com/choojs/nanohtml). Can be optimized using
+[nanohtml][nanohtml].
 
 ### `choo/html/raw`
-Exposes [bel/raw](https://github.com/shama/bel#unescaping) helper for rendering raw HTML content.
+Exposes [nanohtml/raw](https://github.com/shama/nanohtml#unescaping) helper for rendering raw HTML content.
 
 ## Installation
 ```sh
@@ -585,6 +585,7 @@ Become a backer, and buy us a coffee (or perhaps lunch?) every month or so.
 
 [bankai]: https://github.com/choojs/bankai
 [bel]: https://github.com/shama/bel
+[nanohtml]: https://github.com/choojs/nanohtml
 [browserify]: https://github.com/substack/node-browserify
 [budo]: https://github.com/mattdesl/budo
 [es2020]: https://github.com/yoshuawuyts/es2020
@@ -594,6 +595,5 @@ Become a backer, and buy us a coffee (or perhaps lunch?) every month or so.
 [nanomorph]: https://github.com/choojs/nanomorph
 [nanorouter]: https://github.com/choojs/nanorouter
 [yo-yo]: https://github.com/maxogden/yo-yo
-[yo-yoify]: https://github.com/shama/yo-yoify
 [unassertify]: https://github.com/unassert-js/unassertify
 [window-performance]: https://developer.mozilla.org/en-US/docs/Web/API/Performance

component/cache.js

@@ -0,0 +1,41 @@
+var assert = require('assert')
+var LRU = require('nanolru')
+
+module.exports = ChooComponentCache
+
+function ChooComponentCache (state, emit, lru) {
+  assert.ok(this instanceof ChooComponentCache, 'ChooComponentCache should be created with `new`')
+
+  assert.equal(typeof state, 'object', 'ChooComponentCache: state should be type object')
+  assert.equal(typeof emit, 'function', 'ChooComponentCache: emit should be type function')
+
+  if (typeof lru === 'number') this.cache = new LRU(lru)
+  else this.cache = lru || new LRU(100)
+  this.state = state
+  this.emit = emit
+}
+
+// Get & create component instances.
+ChooComponentCache.prototype.render = function (Component, id) {
+  assert.equal(typeof Component, 'function', 'ChooComponentCache.render: Component should be type function')
+  assert.ok(typeof id === 'string' || typeof id === 'number', 'ChooComponentCache.render: id should be type string or type number')
+
+  var el = this.cache.get(id)
+  if (!el) {
+    var args = []
+    for (var i = 2, len = arguments.length; i < len; i++) {
+      args.push(arguments[i])
+    }
+    args.unshift(Component, id, this.state, this.emit)
+    el = newCall.apply(newCall, args)
+    this.cache.set(id, el)
+  }
+
+  return el
+}
+
+// Because you can't call `new` and `.apply()` at the same time. This is a mad
+// hack, but hey it works so we gonna go for it. Whoop.
+function newCall (Cls) {
+  return new (Cls.bind.apply(Cls, arguments)) // eslint-disable-line
+}

component/index.js

@@ -0,0 +1 @@
+module.exports = require('nanocomponent')

example/components/footer/clear-button.js

@@ -0,0 +1,15 @@
+var html = require('bel')
+
+module.exports = deleteCompleted
+
+function deleteCompleted (emit) {
+  return html`
+    <button class="clear-completed" onclick=${deleteAllCompleted}>
+      Clear completed
+    </button>
+  `
+
+  function deleteAllCompleted () {
+    emit('todos:deleteCompleted')
+  }
+}

example/components/footer/filter-button.js

@@ -0,0 +1,18 @@
+var html = require('bel')
+
+module.exports = filterButton
+
+function filterButton (name, filter, currentFilter, emit) {
+  var filterClass = filter === currentFilter
+    ? 'selected'
+    : ''
+
+  var uri = '#' + name.toLowerCase()
+  if (uri === '#all') uri = '/'
+
+  return html`<li>
+    <a href=${uri} class=${filterClass}>
+      ${name}
+    </a>
+  </li>`
+}

example/components/footer/index.js

@@ -0,0 +1,50 @@
+var Component = require('../../../component')
+var html = require('bel')
+
+var clearButton = require('./clear-button')
+var filterButton = require('./filter-button')
+
+module.exports = class Footer extends Component {
+  constructor (name, state, emit) {
+    super(name)
+    this.state = state
+    this.emit = emit
+
+    this.local = this.state.components.footer = {}
+    this.setState()
+  }
+
+  setState () {
+    this.local.rawTodos = this.state.todos.clock
+    this.local.rawHref = this.state.href
+
+    this.local.filter = this.state.href.replace(/^\//, '') || ''
+    this.local.activeCount = this.state.todos.active.length
+    this.local.hasDone = this.state.todos.done.length || null
+  }
+
+  update () {
+    if (this.local.rawTodos !== this.state.todos.clock ||
+      this.local.rawHref !== this.state.href) {
+      this.setState()
+      return true
+    } else {
+      return false
+    }
+  }
+
+  createElement () {
+    return html`<footer class="footer">
+      <span class="todo-count">
+        <strong>${this.local.activeCount}</strong>
+        item${this.state.todos.all === 1 ? '' : 's'} left
+      </span>
+      <ul class="filters">
+        ${filterButton('All', '', this.local.filter, this.emit)}
+        ${filterButton('Active', 'active', this.local.filter, this.emit)}
+        ${filterButton('Completed', 'completed', this.local.filter, this.emit)}
+      </ul>
+      ${this.local.hasDone && clearButton(this.emit)}
+    </footer>`
+  }
+}

example/components/header.js

@@ -0,0 +1,32 @@
+var Component = require('../../component')
+var html = require('bel')
+
+module.exports = class Header extends Component {
+  constructor (name, state, emit) {
+    super(name)
+    this.state = state
+    this.emit = emit
+  }
+
+  update () {
+    return false
+  }
+
+  createElement () {
+    return html`<header class="header">
+      <h1>todos</h1>
+      <input class="new-todo"
+        autofocus
+        placeholder="What needs to be done?"
+        onkeydown=${this.createTodo.bind(this)} />
+    </header>`
+  }
+
+  createTodo (e) {
+    var value = e.target.value
+    if (e.keyCode === 13) {
+      e.target.value = ''
+      this.emit('todos:create', value)
+    }
+  }
+}

example/components/info.js

@@ -0,0 +1,16 @@
+var Component = require('../../component')
+var html = require('bel')
+
+module.exports = class Info extends Component {
+  update () {
+    return false
+  }
+
+  createElement () {
+    return html`<footer class="info">
+      <p>Double-click to edit a todo</p>
+      <p>choo by <a href="https://yoshuawuyts.com/">Yoshua Wuyts</a></p>
+      <p>Created by <a href="http://shuheikagawa.com">Shuhei Kagawa</a></p>
+    </footer>`
+  }
+}

example/components/todos/index.js

@@ -0,0 +1,65 @@
+var Component = require('../../../component')
+var html = require('bel')
+
+var Todo = require('./todo')
+
+module.exports = class Header extends Component {
+  constructor (name, state, emit) {
+    super(name)
+    this.state = state
+    this.emit = emit
+    this.local = this.state.components[name] = {}
+    this.setState()
+  }
+
+  setState () {
+    this.local.rawTodos = this.state.todos.clock
+    this.local.rawHref = this.state.href
+
+    this.local.allDone = this.state.todos.done.length === this.state.todos.all.length
+    this.local.filter = this.state.href.replace(/^\//, '') || ''
+    this.local.todos = this.local.filter === 'completed'
+      ? this.state.todos.done
+      : this.local.filter === 'active'
+        ? this.state.todos.active
+        : this.state.todos.all
+  }
+
+  update () {
+    if (this.local.rawTodos !== this.state.todos.clock ||
+      this.local.rawHref !== this.state.href) {
+      this.setState()
+      return true
+    } else {
+      return false
+    }
+  }
+
+  createElement () {
+    return html`<section class="main">
+      <input
+        class="toggle-all"
+        type="checkbox"
+        checked=${this.local.allDone}
+        onchange=${() => this.toggleAll()}/>
+      <label for="toggle-all" style="display: none;">
+        Mark all as done
+      </label>
+      <ul class="todo-list">
+        ${this.local.todos.map(todo => Todo(todo, this.emit))}
+      </ul>
+    </section>`
+  }
+
+  createTodo (e) {
+    var value = e.target.value
+    if (e.keyCode === 13) {
+      e.target.value = ''
+      this.emit('todos:create', value)
+    }
+  }
+
+  toggleAll () {
+    this.emit('todos:toggleAll')
+  }
+}