refactor: removed 1.x client files

client/js/modules/boot.js

@@ -0,0 +1,68 @@
+export default {
+  readyStates: [],
+  callbacks: [],
+  /**
+   * Check if event has been sent
+   *
+   * @param {String} evt Event name
+   * @returns {Boolean} True if fired
+   */
+  isReady (evt) {
+    return this.readyStates.indexOf(evt) >= 0
+  },
+  /**
+   * Register a callback to be executed when event is sent
+   *
+   * @param {String} evt Event name to register to
+   * @param {Function} clb Callback function
+   * @param {Boolean} once If the callback should be called only once
+   */
+  register (evt, clb, once) {
+    if (this.isReady(evt)) {
+      clb()
+    } else {
+      this.callbacks.push({
+        event: evt,
+        callback: clb,
+        once: false,
+        called: false
+      })
+    }
+  },
+  /**
+   * Register a callback to be executed only once when event is sent
+   *
+   * @param {String} evt Event name to register to
+   * @param {Function} clb Callback function
+   */
+  registerOnce (evt, clb) {
+    this.register(evt, clb, true)
+  },
+  /**
+   * Set ready state and execute callbacks
+   */
+  notify (evt) {
+    this.readyStates.push(evt)
+    this.callbacks.forEach(clb => {
+      if (clb.event === evt) {
+        if (clb.once && clb.called) {
+          return
+        }
+        clb.called = true
+        clb.callback()
+      }
+    })
+  },
+  /**
+   * Execute callback on DOM ready
+   *
+   * @param {Function} clb Callback function
+   */
+  onDOMReady (clb) {
+    if (document.readyState === 'interactive' || document.readyState === 'complete' || document.readyState === 'loaded') {
+      clb()
+    } else {
+      document.addEventListener('DOMContentLoaded', clb)
+    }
+  }
+}