From 778fcff2cff166e87c6960dd6b23fef6682f6b7e Mon Sep 17 00:00:00 2001
From: DaxChen <dd@daxchen.com>
Date: Fri, 13 Oct 2017 12:33:21 +0800
Subject: [PATCH] check $refs.modal in observe callback

---
 demo/server_side_rendering/package.json |  4 ++--
 dist/index.js                           | 10 +++++-----
 dist/ssr.index.js                       | 10 +++++-----
 src/Modal.vue                           | 11 ++++-------
 4 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/demo/server_side_rendering/package.json b/demo/server_side_rendering/package.json
index 62b701f..cfbcce2 100644
--- a/demo/server_side_rendering/package.json
+++ b/demo/server_side_rendering/package.json
@@ -4,7 +4,7 @@
     "start": "nuxt"
   },
   "dependencies": {
-    "vue-js-modal": "latest",
-    "nuxt": "^1.0.0-rc3"
+    "nuxt": "^1.0.0-rc3",
+    "vue-js-modal": "../../"
   }
 }
diff --git a/dist/index.js b/dist/index.js
index 649c2d3..224c7bc 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -565,10 +565,10 @@
                     var afterEventName = state ? "opened" : "closed", afterEvent = this.genEventObject({
                         state: state
                     });
-                    this.$emit(afterEventName, afterEvent), state && this.isAutoHeight && this.updateRenderedHeight();
+                    this.$emit(afterEventName, afterEvent);
                 },
                 updateRenderedHeight: function() {
-                    this.modal.renderedHeight = this.$refs.modal.getBoundingClientRect().height;
+                    this.$refs.modal && (this.modal.renderedHeight = this.$refs.modal.getBoundingClientRect().height);
                 },
                 connectObserver: function() {
                     this.mutationObserver && this.mutationObserver.observe(this.$refs.modal, {
@@ -714,11 +714,11 @@
     }, function(module, exports, __webpack_require__) {
         exports = module.exports = __webpack_require__(0)(), exports.push([ module.i, "\n.v--modal-block-scroll {\n  overflow: hidden;\n}\n.v--modal-overlay {\n  position: fixed;\n  box-sizing: border-box;\n  left: 0;\n  top: 0;\n  width: 100vw;\n  height: 100vh;\n  background: rgba(0, 0, 0, 0.2);\n  z-index: 999;\n  opacity: 1;\n}\n.v--modal-overlay.scrollable {\n  height: 100%;\n  min-height: 100vh;\n  overflow-y: auto;\n  padding-bottom: 10px;\n}\n.v--modal-overlay .v--modal-box {\n  position: relative;\n  overflow: hidden;\n  box-sizing: border-box;\n}\n.v--modal-overlay.scrollable .v--modal-box {\n  margin-bottom: 2px;\n  /* transition: top 0.2s ease; */\n}\n.v--modal {\n  background-color: white;\n  text-align: left;\n  border-radius: 3px;\n  box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n  padding: 0;\n}\n.v--modal.v--modal-fullscreen {\n  width: 100vw;\n  height: 100vh;\n  margin: 0;\n  left: 0;\n  top: 0;\n}\n.v--modal-top-right {\n  display: block;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n.overlay-fade-enter-active, .overlay-fade-leave-active {\n  transition: all 0.2s;\n}\n.overlay-fade-enter, .overlay-fade-leave-active {\n  opacity: 0;\n}\n.nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n  transition: all 0.4s;\n}\n.nice-modal-fade-enter, .nice-modal-fade-leave-active {\n  opacity: 0;\n  transform: translateY(-20px);\n}\n", "", {
             version: 3,
-            sources: [ "/./src/Modal.vue?6d1f4078" ],
+            sources: [ "/./src/Modal.vue?be5f9c64" ],
             names: [],
-            mappings: ";AA8lBA;EACA,iBAAA;CACA;AAEA;EACA,gBAAA;EACA,uBAAA;EACA,QAAA;EACA,OAAA;EACA,aAAA;EACA,cAAA;EACA,+BAAA;EACA,aAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,kBAAA;EACA,iBAAA;EACA,qBAAA;CACA;AAEA;EACA,mBAAA;EACA,iBAAA;EACA,uBAAA;CACA;AAEA;EACA,mBAAA;EACA,gCAAA;CACA;AAEA;EACA,wBAAA;EACA,iBAAA;EACA,mBAAA;EACA,kDAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,cAAA;EACA,UAAA;EACA,QAAA;EACA,OAAA;CACA;AAEA;EACA,eAAA;EACA,mBAAA;EACA,SAAA;EACA,OAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;EACA,6BAAA;CACA",
+            mappings: ";AA2lBA;EACA,iBAAA;CACA;AAEA;EACA,gBAAA;EACA,uBAAA;EACA,QAAA;EACA,OAAA;EACA,aAAA;EACA,cAAA;EACA,+BAAA;EACA,aAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,kBAAA;EACA,iBAAA;EACA,qBAAA;CACA;AAEA;EACA,mBAAA;EACA,iBAAA;EACA,uBAAA;CACA;AAEA;EACA,mBAAA;EACA,gCAAA;CACA;AAEA;EACA,wBAAA;EACA,iBAAA;EACA,mBAAA;EACA,kDAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,cAAA;EACA,UAAA;EACA,QAAA;EACA,OAAA;CACA;AAEA;EACA,eAAA;EACA,mBAAA;EACA,SAAA;EACA,OAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;EACA,6BAAA;CACA",
             file: "Modal.vue",
-            sourcesContent: [ "<template>\n  <transition name=\"overlay-fade\">\n    <div v-if=\"visibility.overlay\"\n         ref=\"overlay\"\n         :class=\"overlayClass\"\n         :aria-expanded=\"visible.toString()\"\n         :data-modal=\"name\"\n         @mousedown.stop=\"onBackgroundClick\"\n         @touchstart.stop=\"onBackgroundClick\">\n      <div class=\"v--modal-top-right\">\n        <slot name=\"top-right\"/>\n      </div>\n      <transition :name=\"transition\">\n        <div v-if=\"visibility.modal\"\n             ref=\"modal\"\n             :class=\"modalClass\"\n             :style=\"modalStyle\"\n             @mousedown.stop\n             @touchstart.stop>\n          <slot/>\n          <resizer v-if=\"resizable && !isAutoHeight\"\n                   :min-width=\"minWidth\"\n                   :min-height=\"minHeight\"\n                   @resize=\"onModalResize\"/>\n        </div>\n      </transition>\n    </div>\n  </transition>\n</template>\n<script>\n  import Modal       from './index'\n  import Resizer     from './Resizer.vue'\n  import { inRange } from './util'\n  import parseNumber from './parser'\n\n  export default {\n    name: 'VueJsModal',\n    props: {\n      name: {\n        required: true,\n        type: String\n      },\n      delay: {\n        type: Number,\n        default: 0\n      },\n      resizable: {\n        type: Boolean,\n        default: false\n      },\n      adaptive: {\n        type: Boolean,\n        default: false\n      },\n      draggable: {\n        type: [Boolean, String],\n        default: false\n      },\n      scrollable: {\n        type: Boolean,\n        default: false\n      },\n      reset: {\n        type: Boolean,\n        default: false\n      },\n      transition: {\n        type: String\n      },\n      clickToClose: {\n        type: Boolean,\n        default: true\n      },\n      classes: {\n        type: [String, Array],\n        default: 'v--modal'\n      },\n      minWidth: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      minHeight: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      width: {\n        type: [Number, String],\n        default: 600,\n        validator (value) {\n          if (typeof value === 'string') {\n            let width = parseNumber(value)\n            return (width.type === '%' || width.type === 'px') &&\n              width.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      height: {\n        type: [Number, String],\n        default: 300,\n        validator (value) {\n          if (typeof value === 'string') {\n            if (value === 'auto') {\n              return true\n            }\n\n            let height = parseNumber(value)\n            return (height.type === '%' || height.type === 'px') &&\n              height.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      pivotX: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      },\n      pivotY: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      }\n    },\n    components: {\n      Resizer\n    },\n    data () {\n      return {\n        visible: false,\n\n        visibility: {\n          modal: false,\n          overlay: false\n        },\n\n        shift: {\n          left: 0,\n          top: 0\n        },\n\n        modal: {\n          width: 0,\n          widthType: 'px',\n          height: 0,\n          heightType: 'px',\n          renderedHeight: 0\n        },\n\n        window: {\n          width: 0,\n          height: 0\n        },\n\n        mutationObserver: null\n      }\n    },\n    watch: {\n      /**\n       * Sets the visibility of overlay and modal.\n       * Events 'opened' and 'closed' is called here\n       * inside `setTimeout` and `$nextTick`, after the DOM changes.\n       * This fixes `$refs.modal` `undefined` bug (fixes #15)\n       */\n      visible (value) {\n        if (value) {\n          this.visibility.overlay = true\n\n          setTimeout(() => {\n            this.visibility.modal = true\n            this.$nextTick(() => {\n              this.addDraggableListeners()\n              this.callAfterEvent(true)\n            })\n          }, this.delay)\n        } else {\n          this.visibility.modal = false\n\n          setTimeout(() => {\n            this.visibility.overlay = false\n            this.$nextTick(() => {\n              this.removeDraggableListeners()\n              this.callAfterEvent(false)\n            })\n          }, this.delay)\n        }\n      }\n    },\n    created () {\n      this.setInitialSize()\n    },\n    /**\n     * Sets global listeners\n     */\n    beforeMount () {\n      Modal.event.$on('toggle', (name, state, params) => {\n        if (name === this.name) {\n          if (typeof state === 'undefined') {\n            state = !this.visible\n          }\n\n          this.toggle(state, params)\n        }\n      })\n\n      window.addEventListener('resize', this.onWindowResize)\n      this.onWindowResize()\n      /**\n       * Making sure that autoHeight is enabled when using \"scrollable\"\n       */\n      if (this.scrollable && !this.isAutoHeight) {\n        console.warn(`Modal \"${this.name}\" has scrollable flag set to true ` +\n          `but height is not \"auto\" (${this.height})`)\n      }\n      /**\n       * Only observe when using height: 'auto'\n       * The callback will be called when modal DOM changes,\n       * this is for updating the `top` attribute for height 'auto' modals.\n       */\n      if (this.isAutoHeight) {\n        /**\n         * MutationObserver feature detection:\n         * Detects if MutationObserver is available, return false if not.\n         * No polyfill is provided here, so height 'auto' recalculation will\n         * simply stay at its initial height (won't crash).\n         * (Provide polyfill to support IE < 11)\n         */\n        const MutationObserver = (function () {\n          const prefixes = ['', 'WebKit', 'Moz', 'O', 'Ms']\n\n          for (let i = 0; i < prefixes.length; i++) {\n            let name = prefixes[i] + 'MutationObserver'\n\n            if (name in window) {\n              return window[name]\n            }\n          }\n          return false\n        }())\n\n        if (MutationObserver) {\n          this.mutationObserver = new MutationObserver(mutations => {\n            this.updateRenderedHeight()\n          })\n        }\n      }\n    },\n    /**\n     * Removes \"resize\" window listener\n     */\n    beforeDestroy () {\n      window.removeEventListener('resize', this.onWindowResize)\n    },\n    computed: {\n      /**\n       * Returns true if height is set to \"auto\"\n       */\n      isAutoHeight () {\n        return this.modal.heightType === 'auto'\n      },\n      /**\n       * Calculates and returns modal position based on the\n       * pivots, window size and modal size\n       */\n      position () {\n        const { window, shift, pivotX, pivotY,\n          trueModalWidth, trueModalHeight } = this\n\n        const maxLeft = window.width - trueModalWidth\n        const maxTop = window.height - trueModalHeight\n\n        const left = shift.left + pivotX * maxLeft\n        const top = shift.top + pivotY * maxTop\n\n        return {\n          left: inRange(0, maxLeft, left),\n          top: inRange(0, maxTop, top)\n        }\n      },\n      /**\n       * Returns pixel width (if set with %) and makes sure that modal size\n       * fits the window\n       */\n      trueModalWidth () {\n        const { window, modal, adaptive, minWidth } = this\n\n        const value = modal.widthType === '%'\n          ? window.width / 100 * modal.width\n          : modal.width\n\n        return adaptive\n          ? inRange(minWidth, window.width, value)\n          : value\n      },\n      /**\n       * Returns pixel height (if set with %) and makes sure that modal size\n       * fits the window.\n       *\n       * Returns modal.renderedHeight if height set as \"auto\"\n       */\n      trueModalHeight () {\n        const { window, modal, isAutoHeight, adaptive } = this\n\n        const value = (modal.heightType === '%')\n          ? window.height / 100 * modal.height\n          : modal.height\n\n        if (isAutoHeight) {\n          // use renderedHeight when height 'auto'\n          return this.modal.renderedHeight\n        }\n\n        return adaptive\n          ? inRange(this.minHeight, this.window.height, value)\n          : value\n      },\n      /**\n       * Returns class list for screen overlay (modal background)\n       */\n      overlayClass () {\n        return {\n          'v--modal-overlay': true,\n          'scrollable': this.scrollable && this.isAutoHeight\n        }\n      },\n      /**\n       * Returns class list for modal itself\n       */\n      modalClass () {\n        return ['v--modal-box', this.classes]\n      },\n      /**\n       * CSS styles for position and size of the modal\n       */\n      modalStyle () {\n        return {\n          top: this.position.top + 'px',\n          left: this.position.left + 'px',\n          width: this.trueModalWidth + 'px',\n          height: this.isAutoHeight\n            ? 'auto'\n            : (this.trueModalHeight + 'px')\n        }\n      }\n    },\n    methods: {\n      /**\n       * Initializes modal's size & position,\n       * if \"reset\" flag is set to true - this function will be called\n       * every time \"beforeOpen\" is triggered\n       */\n      setInitialSize () {\n        let { modal } = this\n        let width = parseNumber(this.width)\n        let height = parseNumber(this.height)\n\n        modal.width = width.value\n        modal.widthType = width.type\n        modal.height = height.value\n        modal.heightType = height.type\n      },\n\n      onWindowResize () {\n        this.window.width = window.innerWidth\n        this.window.height = window.innerHeight\n      },\n\n      /**\n       * Generates event object\n       */\n      genEventObject (params) {\n        var eventData = {\n          name: this.name,\n          timestamp: Date.now(),\n          canceled: false,\n          ref: this.$refs.modal\n        }\n\n        return Object.assign(eventData, params || {})\n      },\n      /**\n       * Event handler which is triggered on modal resize\n       */\n      onModalResize (event) {\n        this.modal.widthType = 'px'\n        this.modal.width = event.size.width\n\n        this.modal.heightType = 'px'\n        this.modal.height = event.size.height\n\n        const { size } = this.modal\n        const resizeEvent = this.genEventObject({ size })\n\n        this.$emit('resize', resizeEvent)\n      },\n      /**\n       * Event handler which is triggered on $modal.show and $modal.hight\n       * BeforeEvents: ('before-close' and 'before-open') are `$emit`ed here,\n       * but AfterEvents ('opened' and 'closed') are moved to `watch.visible`.\n       */\n      toggle (state, params) {\n        const { reset, scrollable, visible } = this\n\n        const beforeEventName = visible\n          ? 'before-close'\n          : 'before-open'\n\n        if (beforeEventName === 'before-open') {\n          if (reset) {\n            this.setInitialSize()\n\n            this.shift.left = 0\n            this.shift.top = 0\n          }\n\n          if (scrollable) {\n            document.body.classList.add('v--modal-block-scroll')\n          }\n        } else {\n          if (scrollable) {\n            document.body.classList.remove('v--modal-block-scroll')\n          }\n        }\n\n        let stopEventExecution = false\n\n        const stop = () => {\n          stopEventExecution = true\n        }\n\n        const beforeEvent = this.genEventObject({ stop, state, params })\n\n        this.$emit(beforeEventName, beforeEvent)\n\n        if (!stopEventExecution) {\n          this.visible = state\n          // after events are called in `watch.visible`\n        }\n      },\n\n      getDraggableElement () {\n        var selector = typeof this.draggable !== 'string'\n          ? '.v--modal-box'\n          : this.draggable\n\n        if (selector) {\n          var handler = this.$refs.overlay.querySelector(selector)\n          if (handler) {\n            return handler\n          }\n        }\n      },\n      /**\n       * Event handler that is triggered when background overlay is clicked\n       */\n      onBackgroundClick () {\n        if (this.clickToClose) {\n          this.toggle(false)\n        }\n      },\n\n      addDraggableListeners () {\n        if (!this.draggable) {\n          return\n        }\n\n        let dragger = this.getDraggableElement()\n\n        if (dragger) {\n          let startX = 0\n          let startY = 0\n          let cachedShiftX = 0\n          let cachedShiftY = 0\n\n          let getPosition = (event) => {\n            return event.touches && event.touches.length > 0\n              ? event.touches[0]\n              : event\n          }\n\n          let mousedown = (event) => {\n            let target = event.target\n\n            if (target && target.nodeName === 'INPUT') {\n              return\n            }\n\n            let { clientX, clientY } = getPosition(event)\n\n            document.addEventListener('mousemove', mousemove)\n            document.addEventListener('mouseup', mouseup)\n\n            document.addEventListener('touchmove', mousemove)\n            document.addEventListener('touchend', mouseup)\n\n            startX = clientX\n            startY = clientY\n            cachedShiftX = this.shift.left\n            cachedShiftY = this.shift.top\n\n          //  event.preventDefault()\n          }\n\n          let mousemove = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            this.shift.left = cachedShiftX + clientX - startX\n            this.shift.top = cachedShiftY + clientY - startY\n            event.preventDefault()\n          }\n\n          let mouseup = (event) => {\n            document.removeEventListener('mousemove', mousemove)\n            document.removeEventListener('mouseup', mouseup)\n\n            document.removeEventListener('touchmove', mousemove)\n            document.removeEventListener('touchend', mouseup)\n\n            event.preventDefault()\n          }\n\n          dragger.addEventListener('mousedown', mousedown)\n          dragger.addEventListener('touchstart', mousedown)\n        }\n      },\n\n      removeDraggableListeners () {\n      //  console.log('removing draggable handlers')\n      },\n\n      /**\n       * 'opened' and 'closed' events are `$emit`ed here.\n       * This is called in watch.visible.\n       * Because modal DOM updates are async,\n       * wrapping afterEvents in `$nextTick` fixes `$refs.modal` undefined bug.\n       * (fixes #15)\n       */\n      callAfterEvent (state) {\n        if (state) {\n          this.connectObserver()\n        } else {\n          this.disconnectObserver()\n        }\n\n        const afterEventName = state\n          ? 'opened'\n          : 'closed'\n        const afterEvent = this.genEventObject({ state })\n\n        this.$emit(afterEventName, afterEvent)\n\n        // recalculate the true modal height\n        if (state && this.isAutoHeight) {\n          this.updateRenderedHeight()\n        }\n      },\n\n      /**\n       * Update $data.modal.renderedHeight using getBoundingClientRect.\n       * This method is called when:\n       * 1. modal opened\n       * 2. MutationObserver's observe callback\n       */\n      updateRenderedHeight () {\n        this.modal.renderedHeight = this.$refs.modal\n          .getBoundingClientRect().height\n      },\n\n      /**\n       * Start observing modal's DOM, if childList or subtree changes,\n       * the callback (registered in beforeMount) will be called.\n       */\n      connectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.observe(this.$refs.modal, {\n            childList: true,\n            attributes: true,\n            subtree: true\n          })\n        }\n      },\n\n      /**\n       * Disconnects MutationObserver\n       */\n      disconnectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.disconnect()\n        }\n      }\n    }\n  }\n<\/script>\n<style>\n  .v--modal-block-scroll {\n    overflow: hidden;\n  }\n\n  .v--modal-overlay {\n    position: fixed;\n    box-sizing: border-box;\n    left: 0;\n    top: 0;\n    width: 100vw;\n    height: 100vh;\n    background: rgba(0, 0, 0, 0.2);\n    z-index: 999;\n    opacity: 1;\n  }\n\n  .v--modal-overlay.scrollable {\n    height: 100%;\n    min-height: 100vh;\n    overflow-y: auto;\n    padding-bottom: 10px;\n  }\n\n  .v--modal-overlay .v--modal-box {\n    position: relative;\n    overflow: hidden;\n    box-sizing: border-box;\n  }\n\n  .v--modal-overlay.scrollable .v--modal-box {\n    margin-bottom: 2px;\n    /* transition: top 0.2s ease; */\n  }\n\n  .v--modal {\n    background-color: white;\n    text-align: left;\n    border-radius: 3px;\n    box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n    padding: 0;\n  }\n\n  .v--modal.v--modal-fullscreen {\n    width: 100vw;\n    height: 100vh;\n    margin: 0;\n    left: 0;\n    top: 0;\n  }\n\n  .v--modal-top-right {\n    display: block;\n    position: absolute;\n    right: 0;\n    top: 0;\n  }\n\n  .overlay-fade-enter-active, .overlay-fade-leave-active {\n    transition: all 0.2s;\n  }\n\n  .overlay-fade-enter, .overlay-fade-leave-active {\n    opacity: 0;\n  }\n\n  .nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n    transition: all 0.4s;\n  }\n\n  .nice-modal-fade-enter, .nice-modal-fade-leave-active {\n    opacity: 0;\n    transform: translateY(-20px);\n  }\n</style>\n" ],
+            sourcesContent: [ "<template>\n  <transition name=\"overlay-fade\">\n    <div v-if=\"visibility.overlay\"\n         ref=\"overlay\"\n         :class=\"overlayClass\"\n         :aria-expanded=\"visible.toString()\"\n         :data-modal=\"name\"\n         @mousedown.stop=\"onBackgroundClick\"\n         @touchstart.stop=\"onBackgroundClick\">\n      <div class=\"v--modal-top-right\">\n        <slot name=\"top-right\"/>\n      </div>\n      <transition :name=\"transition\">\n        <div v-if=\"visibility.modal\"\n             ref=\"modal\"\n             :class=\"modalClass\"\n             :style=\"modalStyle\"\n             @mousedown.stop\n             @touchstart.stop>\n          <slot/>\n          <resizer v-if=\"resizable && !isAutoHeight\"\n                   :min-width=\"minWidth\"\n                   :min-height=\"minHeight\"\n                   @resize=\"onModalResize\"/>\n        </div>\n      </transition>\n    </div>\n  </transition>\n</template>\n<script>\n  import Modal       from './index'\n  import Resizer     from './Resizer.vue'\n  import { inRange } from './util'\n  import parseNumber from './parser'\n\n  export default {\n    name: 'VueJsModal',\n    props: {\n      name: {\n        required: true,\n        type: String\n      },\n      delay: {\n        type: Number,\n        default: 0\n      },\n      resizable: {\n        type: Boolean,\n        default: false\n      },\n      adaptive: {\n        type: Boolean,\n        default: false\n      },\n      draggable: {\n        type: [Boolean, String],\n        default: false\n      },\n      scrollable: {\n        type: Boolean,\n        default: false\n      },\n      reset: {\n        type: Boolean,\n        default: false\n      },\n      transition: {\n        type: String\n      },\n      clickToClose: {\n        type: Boolean,\n        default: true\n      },\n      classes: {\n        type: [String, Array],\n        default: 'v--modal'\n      },\n      minWidth: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      minHeight: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      width: {\n        type: [Number, String],\n        default: 600,\n        validator (value) {\n          if (typeof value === 'string') {\n            let width = parseNumber(value)\n            return (width.type === '%' || width.type === 'px') &&\n              width.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      height: {\n        type: [Number, String],\n        default: 300,\n        validator (value) {\n          if (typeof value === 'string') {\n            if (value === 'auto') {\n              return true\n            }\n\n            let height = parseNumber(value)\n            return (height.type === '%' || height.type === 'px') &&\n              height.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      pivotX: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      },\n      pivotY: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      }\n    },\n    components: {\n      Resizer\n    },\n    data () {\n      return {\n        visible: false,\n\n        visibility: {\n          modal: false,\n          overlay: false\n        },\n\n        shift: {\n          left: 0,\n          top: 0\n        },\n\n        modal: {\n          width: 0,\n          widthType: 'px',\n          height: 0,\n          heightType: 'px',\n          renderedHeight: 0\n        },\n\n        window: {\n          width: 0,\n          height: 0\n        },\n\n        mutationObserver: null\n      }\n    },\n    watch: {\n      /**\n       * Sets the visibility of overlay and modal.\n       * Events 'opened' and 'closed' is called here\n       * inside `setTimeout` and `$nextTick`, after the DOM changes.\n       * This fixes `$refs.modal` `undefined` bug (fixes #15)\n       */\n      visible (value) {\n        if (value) {\n          this.visibility.overlay = true\n\n          setTimeout(() => {\n            this.visibility.modal = true\n            this.$nextTick(() => {\n              this.addDraggableListeners()\n              this.callAfterEvent(true)\n            })\n          }, this.delay)\n        } else {\n          this.visibility.modal = false\n\n          setTimeout(() => {\n            this.visibility.overlay = false\n            this.$nextTick(() => {\n              this.removeDraggableListeners()\n              this.callAfterEvent(false)\n            })\n          }, this.delay)\n        }\n      }\n    },\n    created () {\n      this.setInitialSize()\n    },\n    /**\n     * Sets global listeners\n     */\n    beforeMount () {\n      Modal.event.$on('toggle', (name, state, params) => {\n        if (name === this.name) {\n          if (typeof state === 'undefined') {\n            state = !this.visible\n          }\n\n          this.toggle(state, params)\n        }\n      })\n\n      window.addEventListener('resize', this.onWindowResize)\n      this.onWindowResize()\n      /**\n       * Making sure that autoHeight is enabled when using \"scrollable\"\n       */\n      if (this.scrollable && !this.isAutoHeight) {\n        console.warn(`Modal \"${this.name}\" has scrollable flag set to true ` +\n          `but height is not \"auto\" (${this.height})`)\n      }\n      /**\n       * Only observe when using height: 'auto'\n       * The callback will be called when modal DOM changes,\n       * this is for updating the `top` attribute for height 'auto' modals.\n       */\n      if (this.isAutoHeight) {\n        /**\n         * MutationObserver feature detection:\n         * Detects if MutationObserver is available, return false if not.\n         * No polyfill is provided here, so height 'auto' recalculation will\n         * simply stay at its initial height (won't crash).\n         * (Provide polyfill to support IE < 11)\n         */\n        const MutationObserver = (function () {\n          const prefixes = ['', 'WebKit', 'Moz', 'O', 'Ms']\n\n          for (let i = 0; i < prefixes.length; i++) {\n            let name = prefixes[i] + 'MutationObserver'\n\n            if (name in window) {\n              return window[name]\n            }\n          }\n          return false\n        }())\n\n        if (MutationObserver) {\n          this.mutationObserver = new MutationObserver(mutations => {\n            this.updateRenderedHeight()\n          })\n        }\n      }\n    },\n    /**\n     * Removes \"resize\" window listener\n     */\n    beforeDestroy () {\n      window.removeEventListener('resize', this.onWindowResize)\n    },\n    computed: {\n      /**\n       * Returns true if height is set to \"auto\"\n       */\n      isAutoHeight () {\n        return this.modal.heightType === 'auto'\n      },\n      /**\n       * Calculates and returns modal position based on the\n       * pivots, window size and modal size\n       */\n      position () {\n        const { window, shift, pivotX, pivotY,\n          trueModalWidth, trueModalHeight } = this\n\n        const maxLeft = window.width - trueModalWidth\n        const maxTop = window.height - trueModalHeight\n\n        const left = shift.left + pivotX * maxLeft\n        const top = shift.top + pivotY * maxTop\n\n        return {\n          left: inRange(0, maxLeft, left),\n          top: inRange(0, maxTop, top)\n        }\n      },\n      /**\n       * Returns pixel width (if set with %) and makes sure that modal size\n       * fits the window\n       */\n      trueModalWidth () {\n        const { window, modal, adaptive, minWidth } = this\n\n        const value = modal.widthType === '%'\n          ? window.width / 100 * modal.width\n          : modal.width\n\n        return adaptive\n          ? inRange(minWidth, window.width, value)\n          : value\n      },\n      /**\n       * Returns pixel height (if set with %) and makes sure that modal size\n       * fits the window.\n       *\n       * Returns modal.renderedHeight if height set as \"auto\"\n       */\n      trueModalHeight () {\n        const { window, modal, isAutoHeight, adaptive } = this\n\n        const value = (modal.heightType === '%')\n          ? window.height / 100 * modal.height\n          : modal.height\n\n        if (isAutoHeight) {\n          // use renderedHeight when height 'auto'\n          return this.modal.renderedHeight\n        }\n\n        return adaptive\n          ? inRange(this.minHeight, this.window.height, value)\n          : value\n      },\n      /**\n       * Returns class list for screen overlay (modal background)\n       */\n      overlayClass () {\n        return {\n          'v--modal-overlay': true,\n          'scrollable': this.scrollable && this.isAutoHeight\n        }\n      },\n      /**\n       * Returns class list for modal itself\n       */\n      modalClass () {\n        return ['v--modal-box', this.classes]\n      },\n      /**\n       * CSS styles for position and size of the modal\n       */\n      modalStyle () {\n        return {\n          top: this.position.top + 'px',\n          left: this.position.left + 'px',\n          width: this.trueModalWidth + 'px',\n          height: this.isAutoHeight\n            ? 'auto'\n            : (this.trueModalHeight + 'px')\n        }\n      }\n    },\n    methods: {\n      /**\n       * Initializes modal's size & position,\n       * if \"reset\" flag is set to true - this function will be called\n       * every time \"beforeOpen\" is triggered\n       */\n      setInitialSize () {\n        let { modal } = this\n        let width = parseNumber(this.width)\n        let height = parseNumber(this.height)\n\n        modal.width = width.value\n        modal.widthType = width.type\n        modal.height = height.value\n        modal.heightType = height.type\n      },\n\n      onWindowResize () {\n        this.window.width = window.innerWidth\n        this.window.height = window.innerHeight\n      },\n\n      /**\n       * Generates event object\n       */\n      genEventObject (params) {\n        var eventData = {\n          name: this.name,\n          timestamp: Date.now(),\n          canceled: false,\n          ref: this.$refs.modal\n        }\n\n        return Object.assign(eventData, params || {})\n      },\n      /**\n       * Event handler which is triggered on modal resize\n       */\n      onModalResize (event) {\n        this.modal.widthType = 'px'\n        this.modal.width = event.size.width\n\n        this.modal.heightType = 'px'\n        this.modal.height = event.size.height\n\n        const { size } = this.modal\n        const resizeEvent = this.genEventObject({ size })\n\n        this.$emit('resize', resizeEvent)\n      },\n      /**\n       * Event handler which is triggered on $modal.show and $modal.hight\n       * BeforeEvents: ('before-close' and 'before-open') are `$emit`ed here,\n       * but AfterEvents ('opened' and 'closed') are moved to `watch.visible`.\n       */\n      toggle (state, params) {\n        const { reset, scrollable, visible } = this\n\n        const beforeEventName = visible\n          ? 'before-close'\n          : 'before-open'\n\n        if (beforeEventName === 'before-open') {\n          if (reset) {\n            this.setInitialSize()\n\n            this.shift.left = 0\n            this.shift.top = 0\n          }\n\n          if (scrollable) {\n            document.body.classList.add('v--modal-block-scroll')\n          }\n        } else {\n          if (scrollable) {\n            document.body.classList.remove('v--modal-block-scroll')\n          }\n        }\n\n        let stopEventExecution = false\n\n        const stop = () => {\n          stopEventExecution = true\n        }\n\n        const beforeEvent = this.genEventObject({ stop, state, params })\n\n        this.$emit(beforeEventName, beforeEvent)\n\n        if (!stopEventExecution) {\n          this.visible = state\n          // after events are called in `watch.visible`\n        }\n      },\n\n      getDraggableElement () {\n        var selector = typeof this.draggable !== 'string'\n          ? '.v--modal-box'\n          : this.draggable\n\n        if (selector) {\n          var handler = this.$refs.overlay.querySelector(selector)\n          if (handler) {\n            return handler\n          }\n        }\n      },\n      /**\n       * Event handler that is triggered when background overlay is clicked\n       */\n      onBackgroundClick () {\n        if (this.clickToClose) {\n          this.toggle(false)\n        }\n      },\n\n      addDraggableListeners () {\n        if (!this.draggable) {\n          return\n        }\n\n        let dragger = this.getDraggableElement()\n\n        if (dragger) {\n          let startX = 0\n          let startY = 0\n          let cachedShiftX = 0\n          let cachedShiftY = 0\n\n          let getPosition = (event) => {\n            return event.touches && event.touches.length > 0\n              ? event.touches[0]\n              : event\n          }\n\n          let mousedown = (event) => {\n            let target = event.target\n\n            if (target && target.nodeName === 'INPUT') {\n              return\n            }\n\n            let { clientX, clientY } = getPosition(event)\n\n            document.addEventListener('mousemove', mousemove)\n            document.addEventListener('mouseup', mouseup)\n\n            document.addEventListener('touchmove', mousemove)\n            document.addEventListener('touchend', mouseup)\n\n            startX = clientX\n            startY = clientY\n            cachedShiftX = this.shift.left\n            cachedShiftY = this.shift.top\n\n          //  event.preventDefault()\n          }\n\n          let mousemove = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            this.shift.left = cachedShiftX + clientX - startX\n            this.shift.top = cachedShiftY + clientY - startY\n            event.preventDefault()\n          }\n\n          let mouseup = (event) => {\n            document.removeEventListener('mousemove', mousemove)\n            document.removeEventListener('mouseup', mouseup)\n\n            document.removeEventListener('touchmove', mousemove)\n            document.removeEventListener('touchend', mouseup)\n\n            event.preventDefault()\n          }\n\n          dragger.addEventListener('mousedown', mousedown)\n          dragger.addEventListener('touchstart', mousedown)\n        }\n      },\n\n      removeDraggableListeners () {\n      //  console.log('removing draggable handlers')\n      },\n\n      /**\n       * 'opened' and 'closed' events are `$emit`ed here.\n       * This is called in watch.visible.\n       * Because modal DOM updates are async,\n       * wrapping afterEvents in `$nextTick` fixes `$refs.modal` undefined bug.\n       * (fixes #15)\n       */\n      callAfterEvent (state) {\n        if (state) {\n          this.connectObserver()\n        } else {\n          this.disconnectObserver()\n        }\n\n        const afterEventName = state\n          ? 'opened'\n          : 'closed'\n        const afterEvent = this.genEventObject({ state })\n\n        this.$emit(afterEventName, afterEvent)\n      },\n\n      /**\n       * Update $data.modal.renderedHeight using getBoundingClientRect.\n       * This method is called when:\n       * 1. modal opened\n       * 2. MutationObserver's observe callback\n       */\n      updateRenderedHeight () {\n        if (this.$refs.modal) {\n          this.modal.renderedHeight = this.$refs.modal\n            .getBoundingClientRect().height\n        }\n      },\n\n      /**\n       * Start observing modal's DOM, if childList or subtree changes,\n       * the callback (registered in beforeMount) will be called.\n       */\n      connectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.observe(this.$refs.modal, {\n            childList: true,\n            attributes: true,\n            subtree: true\n          })\n        }\n      },\n\n      /**\n       * Disconnects MutationObserver\n       */\n      disconnectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.disconnect()\n        }\n      }\n    }\n  }\n<\/script>\n<style>\n  .v--modal-block-scroll {\n    overflow: hidden;\n  }\n\n  .v--modal-overlay {\n    position: fixed;\n    box-sizing: border-box;\n    left: 0;\n    top: 0;\n    width: 100vw;\n    height: 100vh;\n    background: rgba(0, 0, 0, 0.2);\n    z-index: 999;\n    opacity: 1;\n  }\n\n  .v--modal-overlay.scrollable {\n    height: 100%;\n    min-height: 100vh;\n    overflow-y: auto;\n    padding-bottom: 10px;\n  }\n\n  .v--modal-overlay .v--modal-box {\n    position: relative;\n    overflow: hidden;\n    box-sizing: border-box;\n  }\n\n  .v--modal-overlay.scrollable .v--modal-box {\n    margin-bottom: 2px;\n    /* transition: top 0.2s ease; */\n  }\n\n  .v--modal {\n    background-color: white;\n    text-align: left;\n    border-radius: 3px;\n    box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n    padding: 0;\n  }\n\n  .v--modal.v--modal-fullscreen {\n    width: 100vw;\n    height: 100vh;\n    margin: 0;\n    left: 0;\n    top: 0;\n  }\n\n  .v--modal-top-right {\n    display: block;\n    position: absolute;\n    right: 0;\n    top: 0;\n  }\n\n  .overlay-fade-enter-active, .overlay-fade-leave-active {\n    transition: all 0.2s;\n  }\n\n  .overlay-fade-enter, .overlay-fade-leave-active {\n    opacity: 0;\n  }\n\n  .nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n    transition: all 0.4s;\n  }\n\n  .nice-modal-fade-enter, .nice-modal-fade-leave-active {\n    opacity: 0;\n    transform: translateY(-20px);\n  }\n</style>\n" ],
             sourceRoot: "webpack://"
         } ]);
     }, function(module, exports, __webpack_require__) {
diff --git a/dist/ssr.index.js b/dist/ssr.index.js
index 731a856..fbac486 100644
--- a/dist/ssr.index.js
+++ b/dist/ssr.index.js
@@ -519,10 +519,10 @@
                     var afterEventName = state ? "opened" : "closed", afterEvent = this.genEventObject({
                         state: state
                     });
-                    this.$emit(afterEventName, afterEvent), state && this.isAutoHeight && this.updateRenderedHeight();
+                    this.$emit(afterEventName, afterEvent);
                 },
                 updateRenderedHeight: function() {
-                    this.modal.renderedHeight = this.$refs.modal.getBoundingClientRect().height;
+                    this.$refs.modal && (this.modal.renderedHeight = this.$refs.modal.getBoundingClientRect().height);
                 },
                 connectObserver: function() {
                     this.mutationObserver && this.mutationObserver.observe(this.$refs.modal, {
@@ -668,11 +668,11 @@
     }, function(module, exports, __webpack_require__) {
         exports = module.exports = __webpack_require__(0)(), exports.push([ module.i, "\n.v--modal-block-scroll {\n  overflow: hidden;\n}\n.v--modal-overlay {\n  position: fixed;\n  box-sizing: border-box;\n  left: 0;\n  top: 0;\n  width: 100vw;\n  height: 100vh;\n  background: rgba(0, 0, 0, 0.2);\n  z-index: 999;\n  opacity: 1;\n}\n.v--modal-overlay.scrollable {\n  height: 100%;\n  min-height: 100vh;\n  overflow-y: auto;\n  padding-bottom: 10px;\n}\n.v--modal-overlay .v--modal-box {\n  position: relative;\n  overflow: hidden;\n  box-sizing: border-box;\n}\n.v--modal-overlay.scrollable .v--modal-box {\n  margin-bottom: 2px;\n  /* transition: top 0.2s ease; */\n}\n.v--modal {\n  background-color: white;\n  text-align: left;\n  border-radius: 3px;\n  box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n  padding: 0;\n}\n.v--modal.v--modal-fullscreen {\n  width: 100vw;\n  height: 100vh;\n  margin: 0;\n  left: 0;\n  top: 0;\n}\n.v--modal-top-right {\n  display: block;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n.overlay-fade-enter-active, .overlay-fade-leave-active {\n  transition: all 0.2s;\n}\n.overlay-fade-enter, .overlay-fade-leave-active {\n  opacity: 0;\n}\n.nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n  transition: all 0.4s;\n}\n.nice-modal-fade-enter, .nice-modal-fade-leave-active {\n  opacity: 0;\n  transform: translateY(-20px);\n}\n", "", {
             version: 3,
-            sources: [ "/./src/Modal.vue?6d1f4078" ],
+            sources: [ "/./src/Modal.vue?be5f9c64" ],
             names: [],
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+            mappings: ";AA2lBA;EACA,iBAAA;CACA;AAEA;EACA,gBAAA;EACA,uBAAA;EACA,QAAA;EACA,OAAA;EACA,aAAA;EACA,cAAA;EACA,+BAAA;EACA,aAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,kBAAA;EACA,iBAAA;EACA,qBAAA;CACA;AAEA;EACA,mBAAA;EACA,iBAAA;EACA,uBAAA;CACA;AAEA;EACA,mBAAA;EACA,gCAAA;CACA;AAEA;EACA,wBAAA;EACA,iBAAA;EACA,mBAAA;EACA,kDAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,cAAA;EACA,UAAA;EACA,QAAA;EACA,OAAA;CACA;AAEA;EACA,eAAA;EACA,mBAAA;EACA,SAAA;EACA,OAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;EACA,6BAAA;CACA",
             file: "Modal.vue",
-            sourcesContent: [ "<template>\n  <transition name=\"overlay-fade\">\n    <div v-if=\"visibility.overlay\"\n         ref=\"overlay\"\n         :class=\"overlayClass\"\n         :aria-expanded=\"visible.toString()\"\n         :data-modal=\"name\"\n         @mousedown.stop=\"onBackgroundClick\"\n         @touchstart.stop=\"onBackgroundClick\">\n      <div class=\"v--modal-top-right\">\n        <slot name=\"top-right\"/>\n      </div>\n      <transition :name=\"transition\">\n        <div v-if=\"visibility.modal\"\n             ref=\"modal\"\n             :class=\"modalClass\"\n             :style=\"modalStyle\"\n             @mousedown.stop\n             @touchstart.stop>\n          <slot/>\n          <resizer v-if=\"resizable && !isAutoHeight\"\n                   :min-width=\"minWidth\"\n                   :min-height=\"minHeight\"\n                   @resize=\"onModalResize\"/>\n        </div>\n      </transition>\n    </div>\n  </transition>\n</template>\n<script>\n  import Modal       from './index'\n  import Resizer     from './Resizer.vue'\n  import { inRange } from './util'\n  import parseNumber from './parser'\n\n  export default {\n    name: 'VueJsModal',\n    props: {\n      name: {\n        required: true,\n        type: String\n      },\n      delay: {\n        type: Number,\n        default: 0\n      },\n      resizable: {\n        type: Boolean,\n        default: false\n      },\n      adaptive: {\n        type: Boolean,\n        default: false\n      },\n      draggable: {\n        type: [Boolean, String],\n        default: false\n      },\n      scrollable: {\n        type: Boolean,\n        default: false\n      },\n      reset: {\n        type: Boolean,\n        default: false\n      },\n      transition: {\n        type: String\n      },\n      clickToClose: {\n        type: Boolean,\n        default: true\n      },\n      classes: {\n        type: [String, Array],\n        default: 'v--modal'\n      },\n      minWidth: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      minHeight: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      width: {\n        type: [Number, String],\n        default: 600,\n        validator (value) {\n          if (typeof value === 'string') {\n            let width = parseNumber(value)\n            return (width.type === '%' || width.type === 'px') &&\n              width.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      height: {\n        type: [Number, String],\n        default: 300,\n        validator (value) {\n          if (typeof value === 'string') {\n            if (value === 'auto') {\n              return true\n            }\n\n            let height = parseNumber(value)\n            return (height.type === '%' || height.type === 'px') &&\n              height.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      pivotX: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      },\n      pivotY: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      }\n    },\n    components: {\n      Resizer\n    },\n    data () {\n      return {\n        visible: false,\n\n        visibility: {\n          modal: false,\n          overlay: false\n        },\n\n        shift: {\n          left: 0,\n          top: 0\n        },\n\n        modal: {\n          width: 0,\n          widthType: 'px',\n          height: 0,\n          heightType: 'px',\n          renderedHeight: 0\n        },\n\n        window: {\n          width: 0,\n          height: 0\n        },\n\n        mutationObserver: null\n      }\n    },\n    watch: {\n      /**\n       * Sets the visibility of overlay and modal.\n       * Events 'opened' and 'closed' is called here\n       * inside `setTimeout` and `$nextTick`, after the DOM changes.\n       * This fixes `$refs.modal` `undefined` bug (fixes #15)\n       */\n      visible (value) {\n        if (value) {\n          this.visibility.overlay = true\n\n          setTimeout(() => {\n            this.visibility.modal = true\n            this.$nextTick(() => {\n              this.addDraggableListeners()\n              this.callAfterEvent(true)\n            })\n          }, this.delay)\n        } else {\n          this.visibility.modal = false\n\n          setTimeout(() => {\n            this.visibility.overlay = false\n            this.$nextTick(() => {\n              this.removeDraggableListeners()\n              this.callAfterEvent(false)\n            })\n          }, this.delay)\n        }\n      }\n    },\n    created () {\n      this.setInitialSize()\n    },\n    /**\n     * Sets global listeners\n     */\n    beforeMount () {\n      Modal.event.$on('toggle', (name, state, params) => {\n        if (name === this.name) {\n          if (typeof state === 'undefined') {\n            state = !this.visible\n          }\n\n          this.toggle(state, params)\n        }\n      })\n\n      window.addEventListener('resize', this.onWindowResize)\n      this.onWindowResize()\n      /**\n       * Making sure that autoHeight is enabled when using \"scrollable\"\n       */\n      if (this.scrollable && !this.isAutoHeight) {\n        console.warn(`Modal \"${this.name}\" has scrollable flag set to true ` +\n          `but height is not \"auto\" (${this.height})`)\n      }\n      /**\n       * Only observe when using height: 'auto'\n       * The callback will be called when modal DOM changes,\n       * this is for updating the `top` attribute for height 'auto' modals.\n       */\n      if (this.isAutoHeight) {\n        /**\n         * MutationObserver feature detection:\n         * Detects if MutationObserver is available, return false if not.\n         * No polyfill is provided here, so height 'auto' recalculation will\n         * simply stay at its initial height (won't crash).\n         * (Provide polyfill to support IE < 11)\n         */\n        const MutationObserver = (function () {\n          const prefixes = ['', 'WebKit', 'Moz', 'O', 'Ms']\n\n          for (let i = 0; i < prefixes.length; i++) {\n            let name = prefixes[i] + 'MutationObserver'\n\n            if (name in window) {\n              return window[name]\n            }\n          }\n          return false\n        }())\n\n        if (MutationObserver) {\n          this.mutationObserver = new MutationObserver(mutations => {\n            this.updateRenderedHeight()\n          })\n        }\n      }\n    },\n    /**\n     * Removes \"resize\" window listener\n     */\n    beforeDestroy () {\n      window.removeEventListener('resize', this.onWindowResize)\n    },\n    computed: {\n      /**\n       * Returns true if height is set to \"auto\"\n       */\n      isAutoHeight () {\n        return this.modal.heightType === 'auto'\n      },\n      /**\n       * Calculates and returns modal position based on the\n       * pivots, window size and modal size\n       */\n      position () {\n        const { window, shift, pivotX, pivotY,\n          trueModalWidth, trueModalHeight } = this\n\n        const maxLeft = window.width - trueModalWidth\n        const maxTop = window.height - trueModalHeight\n\n        const left = shift.left + pivotX * maxLeft\n        const top = shift.top + pivotY * maxTop\n\n        return {\n          left: inRange(0, maxLeft, left),\n          top: inRange(0, maxTop, top)\n        }\n      },\n      /**\n       * Returns pixel width (if set with %) and makes sure that modal size\n       * fits the window\n       */\n      trueModalWidth () {\n        const { window, modal, adaptive, minWidth } = this\n\n        const value = modal.widthType === '%'\n          ? window.width / 100 * modal.width\n          : modal.width\n\n        return adaptive\n          ? inRange(minWidth, window.width, value)\n          : value\n      },\n      /**\n       * Returns pixel height (if set with %) and makes sure that modal size\n       * fits the window.\n       *\n       * Returns modal.renderedHeight if height set as \"auto\"\n       */\n      trueModalHeight () {\n        const { window, modal, isAutoHeight, adaptive } = this\n\n        const value = (modal.heightType === '%')\n          ? window.height / 100 * modal.height\n          : modal.height\n\n        if (isAutoHeight) {\n          // use renderedHeight when height 'auto'\n          return this.modal.renderedHeight\n        }\n\n        return adaptive\n          ? inRange(this.minHeight, this.window.height, value)\n          : value\n      },\n      /**\n       * Returns class list for screen overlay (modal background)\n       */\n      overlayClass () {\n        return {\n          'v--modal-overlay': true,\n          'scrollable': this.scrollable && this.isAutoHeight\n        }\n      },\n      /**\n       * Returns class list for modal itself\n       */\n      modalClass () {\n        return ['v--modal-box', this.classes]\n      },\n      /**\n       * CSS styles for position and size of the modal\n       */\n      modalStyle () {\n        return {\n          top: this.position.top + 'px',\n          left: this.position.left + 'px',\n          width: this.trueModalWidth + 'px',\n          height: this.isAutoHeight\n            ? 'auto'\n            : (this.trueModalHeight + 'px')\n        }\n      }\n    },\n    methods: {\n      /**\n       * Initializes modal's size & position,\n       * if \"reset\" flag is set to true - this function will be called\n       * every time \"beforeOpen\" is triggered\n       */\n      setInitialSize () {\n        let { modal } = this\n        let width = parseNumber(this.width)\n        let height = parseNumber(this.height)\n\n        modal.width = width.value\n        modal.widthType = width.type\n        modal.height = height.value\n        modal.heightType = height.type\n      },\n\n      onWindowResize () {\n        this.window.width = window.innerWidth\n        this.window.height = window.innerHeight\n      },\n\n      /**\n       * Generates event object\n       */\n      genEventObject (params) {\n        var eventData = {\n          name: this.name,\n          timestamp: Date.now(),\n          canceled: false,\n          ref: this.$refs.modal\n        }\n\n        return Object.assign(eventData, params || {})\n      },\n      /**\n       * Event handler which is triggered on modal resize\n       */\n      onModalResize (event) {\n        this.modal.widthType = 'px'\n        this.modal.width = event.size.width\n\n        this.modal.heightType = 'px'\n        this.modal.height = event.size.height\n\n        const { size } = this.modal\n        const resizeEvent = this.genEventObject({ size })\n\n        this.$emit('resize', resizeEvent)\n      },\n      /**\n       * Event handler which is triggered on $modal.show and $modal.hight\n       * BeforeEvents: ('before-close' and 'before-open') are `$emit`ed here,\n       * but AfterEvents ('opened' and 'closed') are moved to `watch.visible`.\n       */\n      toggle (state, params) {\n        const { reset, scrollable, visible } = this\n\n        const beforeEventName = visible\n          ? 'before-close'\n          : 'before-open'\n\n        if (beforeEventName === 'before-open') {\n          if (reset) {\n            this.setInitialSize()\n\n            this.shift.left = 0\n            this.shift.top = 0\n          }\n\n          if (scrollable) {\n            document.body.classList.add('v--modal-block-scroll')\n          }\n        } else {\n          if (scrollable) {\n            document.body.classList.remove('v--modal-block-scroll')\n          }\n        }\n\n        let stopEventExecution = false\n\n        const stop = () => {\n          stopEventExecution = true\n        }\n\n        const beforeEvent = this.genEventObject({ stop, state, params })\n\n        this.$emit(beforeEventName, beforeEvent)\n\n        if (!stopEventExecution) {\n          this.visible = state\n          // after events are called in `watch.visible`\n        }\n      },\n\n      getDraggableElement () {\n        var selector = typeof this.draggable !== 'string'\n          ? '.v--modal-box'\n          : this.draggable\n\n        if (selector) {\n          var handler = this.$refs.overlay.querySelector(selector)\n          if (handler) {\n            return handler\n          }\n        }\n      },\n      /**\n       * Event handler that is triggered when background overlay is clicked\n       */\n      onBackgroundClick () {\n        if (this.clickToClose) {\n          this.toggle(false)\n        }\n      },\n\n      addDraggableListeners () {\n        if (!this.draggable) {\n          return\n        }\n\n        let dragger = this.getDraggableElement()\n\n        if (dragger) {\n          let startX = 0\n          let startY = 0\n          let cachedShiftX = 0\n          let cachedShiftY = 0\n\n          let getPosition = (event) => {\n            return event.touches && event.touches.length > 0\n              ? event.touches[0]\n              : event\n          }\n\n          let mousedown = (event) => {\n            let target = event.target\n\n            if (target && target.nodeName === 'INPUT') {\n              return\n            }\n\n            let { clientX, clientY } = getPosition(event)\n\n            document.addEventListener('mousemove', mousemove)\n            document.addEventListener('mouseup', mouseup)\n\n            document.addEventListener('touchmove', mousemove)\n            document.addEventListener('touchend', mouseup)\n\n            startX = clientX\n            startY = clientY\n            cachedShiftX = this.shift.left\n            cachedShiftY = this.shift.top\n\n          //  event.preventDefault()\n          }\n\n          let mousemove = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            this.shift.left = cachedShiftX + clientX - startX\n            this.shift.top = cachedShiftY + clientY - startY\n            event.preventDefault()\n          }\n\n          let mouseup = (event) => {\n            document.removeEventListener('mousemove', mousemove)\n            document.removeEventListener('mouseup', mouseup)\n\n            document.removeEventListener('touchmove', mousemove)\n            document.removeEventListener('touchend', mouseup)\n\n            event.preventDefault()\n          }\n\n          dragger.addEventListener('mousedown', mousedown)\n          dragger.addEventListener('touchstart', mousedown)\n        }\n      },\n\n      removeDraggableListeners () {\n      //  console.log('removing draggable handlers')\n      },\n\n      /**\n       * 'opened' and 'closed' events are `$emit`ed here.\n       * This is called in watch.visible.\n       * Because modal DOM updates are async,\n       * wrapping afterEvents in `$nextTick` fixes `$refs.modal` undefined bug.\n       * (fixes #15)\n       */\n      callAfterEvent (state) {\n        if (state) {\n          this.connectObserver()\n        } else {\n          this.disconnectObserver()\n        }\n\n        const afterEventName = state\n          ? 'opened'\n          : 'closed'\n        const afterEvent = this.genEventObject({ state })\n\n        this.$emit(afterEventName, afterEvent)\n\n        // recalculate the true modal height\n        if (state && this.isAutoHeight) {\n          this.updateRenderedHeight()\n        }\n      },\n\n      /**\n       * Update $data.modal.renderedHeight using getBoundingClientRect.\n       * This method is called when:\n       * 1. modal opened\n       * 2. MutationObserver's observe callback\n       */\n      updateRenderedHeight () {\n        this.modal.renderedHeight = this.$refs.modal\n          .getBoundingClientRect().height\n      },\n\n      /**\n       * Start observing modal's DOM, if childList or subtree changes,\n       * the callback (registered in beforeMount) will be called.\n       */\n      connectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.observe(this.$refs.modal, {\n            childList: true,\n            attributes: true,\n            subtree: true\n          })\n        }\n      },\n\n      /**\n       * Disconnects MutationObserver\n       */\n      disconnectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.disconnect()\n        }\n      }\n    }\n  }\n<\/script>\n<style>\n  .v--modal-block-scroll {\n    overflow: hidden;\n  }\n\n  .v--modal-overlay {\n    position: fixed;\n    box-sizing: border-box;\n    left: 0;\n    top: 0;\n    width: 100vw;\n    height: 100vh;\n    background: rgba(0, 0, 0, 0.2);\n    z-index: 999;\n    opacity: 1;\n  }\n\n  .v--modal-overlay.scrollable {\n    height: 100%;\n    min-height: 100vh;\n    overflow-y: auto;\n    padding-bottom: 10px;\n  }\n\n  .v--modal-overlay .v--modal-box {\n    position: relative;\n    overflow: hidden;\n    box-sizing: border-box;\n  }\n\n  .v--modal-overlay.scrollable .v--modal-box {\n    margin-bottom: 2px;\n    /* transition: top 0.2s ease; */\n  }\n\n  .v--modal {\n    background-color: white;\n    text-align: left;\n    border-radius: 3px;\n    box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n    padding: 0;\n  }\n\n  .v--modal.v--modal-fullscreen {\n    width: 100vw;\n    height: 100vh;\n    margin: 0;\n    left: 0;\n    top: 0;\n  }\n\n  .v--modal-top-right {\n    display: block;\n    position: absolute;\n    right: 0;\n    top: 0;\n  }\n\n  .overlay-fade-enter-active, .overlay-fade-leave-active {\n    transition: all 0.2s;\n  }\n\n  .overlay-fade-enter, .overlay-fade-leave-active {\n    opacity: 0;\n  }\n\n  .nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n    transition: all 0.4s;\n  }\n\n  .nice-modal-fade-enter, .nice-modal-fade-leave-active {\n    opacity: 0;\n    transform: translateY(-20px);\n  }\n</style>\n" ],
+            sourcesContent: [ "<template>\n  <transition name=\"overlay-fade\">\n    <div v-if=\"visibility.overlay\"\n         ref=\"overlay\"\n         :class=\"overlayClass\"\n         :aria-expanded=\"visible.toString()\"\n         :data-modal=\"name\"\n         @mousedown.stop=\"onBackgroundClick\"\n         @touchstart.stop=\"onBackgroundClick\">\n      <div class=\"v--modal-top-right\">\n        <slot name=\"top-right\"/>\n      </div>\n      <transition :name=\"transition\">\n        <div v-if=\"visibility.modal\"\n             ref=\"modal\"\n             :class=\"modalClass\"\n             :style=\"modalStyle\"\n             @mousedown.stop\n             @touchstart.stop>\n          <slot/>\n          <resizer v-if=\"resizable && !isAutoHeight\"\n                   :min-width=\"minWidth\"\n                   :min-height=\"minHeight\"\n                   @resize=\"onModalResize\"/>\n        </div>\n      </transition>\n    </div>\n  </transition>\n</template>\n<script>\n  import Modal       from './index'\n  import Resizer     from './Resizer.vue'\n  import { inRange } from './util'\n  import parseNumber from './parser'\n\n  export default {\n    name: 'VueJsModal',\n    props: {\n      name: {\n        required: true,\n        type: String\n      },\n      delay: {\n        type: Number,\n        default: 0\n      },\n      resizable: {\n        type: Boolean,\n        default: false\n      },\n      adaptive: {\n        type: Boolean,\n        default: false\n      },\n      draggable: {\n        type: [Boolean, String],\n        default: false\n      },\n      scrollable: {\n        type: Boolean,\n        default: false\n      },\n      reset: {\n        type: Boolean,\n        default: false\n      },\n      transition: {\n        type: String\n      },\n      clickToClose: {\n        type: Boolean,\n        default: true\n      },\n      classes: {\n        type: [String, Array],\n        default: 'v--modal'\n      },\n      minWidth: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      minHeight: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      width: {\n        type: [Number, String],\n        default: 600,\n        validator (value) {\n          if (typeof value === 'string') {\n            let width = parseNumber(value)\n            return (width.type === '%' || width.type === 'px') &&\n              width.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      height: {\n        type: [Number, String],\n        default: 300,\n        validator (value) {\n          if (typeof value === 'string') {\n            if (value === 'auto') {\n              return true\n            }\n\n            let height = parseNumber(value)\n            return (height.type === '%' || height.type === 'px') &&\n              height.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      pivotX: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      },\n      pivotY: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      }\n    },\n    components: {\n      Resizer\n    },\n    data () {\n      return {\n        visible: false,\n\n        visibility: {\n          modal: false,\n          overlay: false\n        },\n\n        shift: {\n          left: 0,\n          top: 0\n        },\n\n        modal: {\n          width: 0,\n          widthType: 'px',\n          height: 0,\n          heightType: 'px',\n          renderedHeight: 0\n        },\n\n        window: {\n          width: 0,\n          height: 0\n        },\n\n        mutationObserver: null\n      }\n    },\n    watch: {\n      /**\n       * Sets the visibility of overlay and modal.\n       * Events 'opened' and 'closed' is called here\n       * inside `setTimeout` and `$nextTick`, after the DOM changes.\n       * This fixes `$refs.modal` `undefined` bug (fixes #15)\n       */\n      visible (value) {\n        if (value) {\n          this.visibility.overlay = true\n\n          setTimeout(() => {\n            this.visibility.modal = true\n            this.$nextTick(() => {\n              this.addDraggableListeners()\n              this.callAfterEvent(true)\n            })\n          }, this.delay)\n        } else {\n          this.visibility.modal = false\n\n          setTimeout(() => {\n            this.visibility.overlay = false\n            this.$nextTick(() => {\n              this.removeDraggableListeners()\n              this.callAfterEvent(false)\n            })\n          }, this.delay)\n        }\n      }\n    },\n    created () {\n      this.setInitialSize()\n    },\n    /**\n     * Sets global listeners\n     */\n    beforeMount () {\n      Modal.event.$on('toggle', (name, state, params) => {\n        if (name === this.name) {\n          if (typeof state === 'undefined') {\n            state = !this.visible\n          }\n\n          this.toggle(state, params)\n        }\n      })\n\n      window.addEventListener('resize', this.onWindowResize)\n      this.onWindowResize()\n      /**\n       * Making sure that autoHeight is enabled when using \"scrollable\"\n       */\n      if (this.scrollable && !this.isAutoHeight) {\n        console.warn(`Modal \"${this.name}\" has scrollable flag set to true ` +\n          `but height is not \"auto\" (${this.height})`)\n      }\n      /**\n       * Only observe when using height: 'auto'\n       * The callback will be called when modal DOM changes,\n       * this is for updating the `top` attribute for height 'auto' modals.\n       */\n      if (this.isAutoHeight) {\n        /**\n         * MutationObserver feature detection:\n         * Detects if MutationObserver is available, return false if not.\n         * No polyfill is provided here, so height 'auto' recalculation will\n         * simply stay at its initial height (won't crash).\n         * (Provide polyfill to support IE < 11)\n         */\n        const MutationObserver = (function () {\n          const prefixes = ['', 'WebKit', 'Moz', 'O', 'Ms']\n\n          for (let i = 0; i < prefixes.length; i++) {\n            let name = prefixes[i] + 'MutationObserver'\n\n            if (name in window) {\n              return window[name]\n            }\n          }\n          return false\n        }())\n\n        if (MutationObserver) {\n          this.mutationObserver = new MutationObserver(mutations => {\n            this.updateRenderedHeight()\n          })\n        }\n      }\n    },\n    /**\n     * Removes \"resize\" window listener\n     */\n    beforeDestroy () {\n      window.removeEventListener('resize', this.onWindowResize)\n    },\n    computed: {\n      /**\n       * Returns true if height is set to \"auto\"\n       */\n      isAutoHeight () {\n        return this.modal.heightType === 'auto'\n      },\n      /**\n       * Calculates and returns modal position based on the\n       * pivots, window size and modal size\n       */\n      position () {\n        const { window, shift, pivotX, pivotY,\n          trueModalWidth, trueModalHeight } = this\n\n        const maxLeft = window.width - trueModalWidth\n        const maxTop = window.height - trueModalHeight\n\n        const left = shift.left + pivotX * maxLeft\n        const top = shift.top + pivotY * maxTop\n\n        return {\n          left: inRange(0, maxLeft, left),\n          top: inRange(0, maxTop, top)\n        }\n      },\n      /**\n       * Returns pixel width (if set with %) and makes sure that modal size\n       * fits the window\n       */\n      trueModalWidth () {\n        const { window, modal, adaptive, minWidth } = this\n\n        const value = modal.widthType === '%'\n          ? window.width / 100 * modal.width\n          : modal.width\n\n        return adaptive\n          ? inRange(minWidth, window.width, value)\n          : value\n      },\n      /**\n       * Returns pixel height (if set with %) and makes sure that modal size\n       * fits the window.\n       *\n       * Returns modal.renderedHeight if height set as \"auto\"\n       */\n      trueModalHeight () {\n        const { window, modal, isAutoHeight, adaptive } = this\n\n        const value = (modal.heightType === '%')\n          ? window.height / 100 * modal.height\n          : modal.height\n\n        if (isAutoHeight) {\n          // use renderedHeight when height 'auto'\n          return this.modal.renderedHeight\n        }\n\n        return adaptive\n          ? inRange(this.minHeight, this.window.height, value)\n          : value\n      },\n      /**\n       * Returns class list for screen overlay (modal background)\n       */\n      overlayClass () {\n        return {\n          'v--modal-overlay': true,\n          'scrollable': this.scrollable && this.isAutoHeight\n        }\n      },\n      /**\n       * Returns class list for modal itself\n       */\n      modalClass () {\n        return ['v--modal-box', this.classes]\n      },\n      /**\n       * CSS styles for position and size of the modal\n       */\n      modalStyle () {\n        return {\n          top: this.position.top + 'px',\n          left: this.position.left + 'px',\n          width: this.trueModalWidth + 'px',\n          height: this.isAutoHeight\n            ? 'auto'\n            : (this.trueModalHeight + 'px')\n        }\n      }\n    },\n    methods: {\n      /**\n       * Initializes modal's size & position,\n       * if \"reset\" flag is set to true - this function will be called\n       * every time \"beforeOpen\" is triggered\n       */\n      setInitialSize () {\n        let { modal } = this\n        let width = parseNumber(this.width)\n        let height = parseNumber(this.height)\n\n        modal.width = width.value\n        modal.widthType = width.type\n        modal.height = height.value\n        modal.heightType = height.type\n      },\n\n      onWindowResize () {\n        this.window.width = window.innerWidth\n        this.window.height = window.innerHeight\n      },\n\n      /**\n       * Generates event object\n       */\n      genEventObject (params) {\n        var eventData = {\n          name: this.name,\n          timestamp: Date.now(),\n          canceled: false,\n          ref: this.$refs.modal\n        }\n\n        return Object.assign(eventData, params || {})\n      },\n      /**\n       * Event handler which is triggered on modal resize\n       */\n      onModalResize (event) {\n        this.modal.widthType = 'px'\n        this.modal.width = event.size.width\n\n        this.modal.heightType = 'px'\n        this.modal.height = event.size.height\n\n        const { size } = this.modal\n        const resizeEvent = this.genEventObject({ size })\n\n        this.$emit('resize', resizeEvent)\n      },\n      /**\n       * Event handler which is triggered on $modal.show and $modal.hight\n       * BeforeEvents: ('before-close' and 'before-open') are `$emit`ed here,\n       * but AfterEvents ('opened' and 'closed') are moved to `watch.visible`.\n       */\n      toggle (state, params) {\n        const { reset, scrollable, visible } = this\n\n        const beforeEventName = visible\n          ? 'before-close'\n          : 'before-open'\n\n        if (beforeEventName === 'before-open') {\n          if (reset) {\n            this.setInitialSize()\n\n            this.shift.left = 0\n            this.shift.top = 0\n          }\n\n          if (scrollable) {\n            document.body.classList.add('v--modal-block-scroll')\n          }\n        } else {\n          if (scrollable) {\n            document.body.classList.remove('v--modal-block-scroll')\n          }\n        }\n\n        let stopEventExecution = false\n\n        const stop = () => {\n          stopEventExecution = true\n        }\n\n        const beforeEvent = this.genEventObject({ stop, state, params })\n\n        this.$emit(beforeEventName, beforeEvent)\n\n        if (!stopEventExecution) {\n          this.visible = state\n          // after events are called in `watch.visible`\n        }\n      },\n\n      getDraggableElement () {\n        var selector = typeof this.draggable !== 'string'\n          ? '.v--modal-box'\n          : this.draggable\n\n        if (selector) {\n          var handler = this.$refs.overlay.querySelector(selector)\n          if (handler) {\n            return handler\n          }\n        }\n      },\n      /**\n       * Event handler that is triggered when background overlay is clicked\n       */\n      onBackgroundClick () {\n        if (this.clickToClose) {\n          this.toggle(false)\n        }\n      },\n\n      addDraggableListeners () {\n        if (!this.draggable) {\n          return\n        }\n\n        let dragger = this.getDraggableElement()\n\n        if (dragger) {\n          let startX = 0\n          let startY = 0\n          let cachedShiftX = 0\n          let cachedShiftY = 0\n\n          let getPosition = (event) => {\n            return event.touches && event.touches.length > 0\n              ? event.touches[0]\n              : event\n          }\n\n          let mousedown = (event) => {\n            let target = event.target\n\n            if (target && target.nodeName === 'INPUT') {\n              return\n            }\n\n            let { clientX, clientY } = getPosition(event)\n\n            document.addEventListener('mousemove', mousemove)\n            document.addEventListener('mouseup', mouseup)\n\n            document.addEventListener('touchmove', mousemove)\n            document.addEventListener('touchend', mouseup)\n\n            startX = clientX\n            startY = clientY\n            cachedShiftX = this.shift.left\n            cachedShiftY = this.shift.top\n\n          //  event.preventDefault()\n          }\n\n          let mousemove = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            this.shift.left = cachedShiftX + clientX - startX\n            this.shift.top = cachedShiftY + clientY - startY\n            event.preventDefault()\n          }\n\n          let mouseup = (event) => {\n            document.removeEventListener('mousemove', mousemove)\n            document.removeEventListener('mouseup', mouseup)\n\n            document.removeEventListener('touchmove', mousemove)\n            document.removeEventListener('touchend', mouseup)\n\n            event.preventDefault()\n          }\n\n          dragger.addEventListener('mousedown', mousedown)\n          dragger.addEventListener('touchstart', mousedown)\n        }\n      },\n\n      removeDraggableListeners () {\n      //  console.log('removing draggable handlers')\n      },\n\n      /**\n       * 'opened' and 'closed' events are `$emit`ed here.\n       * This is called in watch.visible.\n       * Because modal DOM updates are async,\n       * wrapping afterEvents in `$nextTick` fixes `$refs.modal` undefined bug.\n       * (fixes #15)\n       */\n      callAfterEvent (state) {\n        if (state) {\n          this.connectObserver()\n        } else {\n          this.disconnectObserver()\n        }\n\n        const afterEventName = state\n          ? 'opened'\n          : 'closed'\n        const afterEvent = this.genEventObject({ state })\n\n        this.$emit(afterEventName, afterEvent)\n      },\n\n      /**\n       * Update $data.modal.renderedHeight using getBoundingClientRect.\n       * This method is called when:\n       * 1. modal opened\n       * 2. MutationObserver's observe callback\n       */\n      updateRenderedHeight () {\n        if (this.$refs.modal) {\n          this.modal.renderedHeight = this.$refs.modal\n            .getBoundingClientRect().height\n        }\n      },\n\n      /**\n       * Start observing modal's DOM, if childList or subtree changes,\n       * the callback (registered in beforeMount) will be called.\n       */\n      connectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.observe(this.$refs.modal, {\n            childList: true,\n            attributes: true,\n            subtree: true\n          })\n        }\n      },\n\n      /**\n       * Disconnects MutationObserver\n       */\n      disconnectObserver () {\n        if (this.mutationObserver) {\n          this.mutationObserver.disconnect()\n        }\n      }\n    }\n  }\n<\/script>\n<style>\n  .v--modal-block-scroll {\n    overflow: hidden;\n  }\n\n  .v--modal-overlay {\n    position: fixed;\n    box-sizing: border-box;\n    left: 0;\n    top: 0;\n    width: 100vw;\n    height: 100vh;\n    background: rgba(0, 0, 0, 0.2);\n    z-index: 999;\n    opacity: 1;\n  }\n\n  .v--modal-overlay.scrollable {\n    height: 100%;\n    min-height: 100vh;\n    overflow-y: auto;\n    padding-bottom: 10px;\n  }\n\n  .v--modal-overlay .v--modal-box {\n    position: relative;\n    overflow: hidden;\n    box-sizing: border-box;\n  }\n\n  .v--modal-overlay.scrollable .v--modal-box {\n    margin-bottom: 2px;\n    /* transition: top 0.2s ease; */\n  }\n\n  .v--modal {\n    background-color: white;\n    text-align: left;\n    border-radius: 3px;\n    box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n    padding: 0;\n  }\n\n  .v--modal.v--modal-fullscreen {\n    width: 100vw;\n    height: 100vh;\n    margin: 0;\n    left: 0;\n    top: 0;\n  }\n\n  .v--modal-top-right {\n    display: block;\n    position: absolute;\n    right: 0;\n    top: 0;\n  }\n\n  .overlay-fade-enter-active, .overlay-fade-leave-active {\n    transition: all 0.2s;\n  }\n\n  .overlay-fade-enter, .overlay-fade-leave-active {\n    opacity: 0;\n  }\n\n  .nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n    transition: all 0.4s;\n  }\n\n  .nice-modal-fade-enter, .nice-modal-fade-leave-active {\n    opacity: 0;\n    transform: translateY(-20px);\n  }\n</style>\n" ],
             sourceRoot: "webpack://"
         } ]);
     }, function(module, exports, __webpack_require__) {
diff --git a/src/Modal.vue b/src/Modal.vue
index a51d908..1eb07d1 100644
--- a/src/Modal.vue
+++ b/src/Modal.vue
@@ -560,11 +560,6 @@
         const afterEvent = this.genEventObject({ state })
 
         this.$emit(afterEventName, afterEvent)
-
-        // recalculate the true modal height
-        if (state && this.isAutoHeight) {
-          this.updateRenderedHeight()
-        }
       },
 
       /**
@@ -574,8 +569,10 @@
        * 2. MutationObserver's observe callback
        */
       updateRenderedHeight () {
-        this.modal.renderedHeight = this.$refs.modal
-          .getBoundingClientRect().height
+        if (this.$refs.modal) {
+          this.modal.renderedHeight = this.$refs.modal
+            .getBoundingClientRect().height
+        }
       },
 
       /**