diff --git a/api/index.php b/api/index.php index 44abc67..1f3ed62 100644 --- a/api/index.php +++ b/api/index.php @@ -1,40 +1,34 @@ = count($tags) ? array_rand($tags) : intval($_GET["key"])]; + $tags = file("../taglines.txt"); + $i = intval($_GET["key"]); + echo $tags[$i >= count($tags) ? array_rand($tags) : $i]; } elseif (isset($_GET["fonts"])) { // get list of fonts + $fonts = __DIR__."/fonts/"; echo json_encode(array_map(function ($f) { return basename($f, ".flf"); }, glob("$fonts*.flf"))); } elseif (isset($_GET["text"])) { // run figlet + $fonts = __DIR__."/fonts/"; echo shell_exec( - "/usr/bin/figlet -d $fonts -w 120 -f " . - escapeshellarg($_GET["font"] ?? "standard") . " " . + "/usr/bin/figlet -d $fonts -w 80 -f " . + escapeshellarg($_GET["font"] ?? "standard") . " -- " . escapeshellarg($_GET["text"]) ); } -elseif (isset($_GET["users"])) { - $users = []; - foreach (scandir("/home") as $user) { - if (!is_dir("/home/$user/public_html")) continue; - $users[] = $user; - } - // usort($users, function($a, $b) { return filemtime($a) - filemtime($b); } ); - echo json_encode($users); -} - else { // get a random tagline + $tags = file("../taglines.txt"); echo $tags[array_rand($tags)]; } + diff --git a/blog/weechat-setup.html b/blog/weechat-setup.html index f65e0ff..b040876 100644 --- a/blog/weechat-setup.html +++ b/blog/weechat-setup.html @@ -72,12 +72,6 @@ weechat setup
  • grep.py - quickly search history and buffers with /grep
    • -

    plugins

    - -

    plugins include the likes of weechat-slack and the irc plugin.

    - -

    unless you need slack support, you should be ok without additional plugins

    -

    the rest of my configs

    you can find the rest of my configs here.

    diff --git a/blog/weechat-setup.md b/blog/weechat-setup.md index 73a5e6f..da2fd16 100644 --- a/blog/weechat-setup.md +++ b/blog/weechat-setup.md @@ -36,13 +36,6 @@ these scripts can be managed with the built in `/script` tool. press i, then ent * [grep.py](https://weechat.org/scripts/source/grep.py.html/) - quickly search history and buffers with `/grep` -### plugins - -plugins include the likes of [weechat-slack](https://github.com/wee-slack/wee-slack) and the irc plugin. - -unless you need slack support, you should be ok without additional plugins - - ### the rest of my configs you can find the rest of my configs [here](https://tildegit.org/ben/dotfiles/src/branch/master/weechat/.weechat). diff --git a/index.php b/index.php index d12fc61..3b99af5 100644 --- a/index.php +++ b/index.php @@ -21,12 +21,6 @@ - - @@ -36,11 +30,8 @@

    <- back to tilde team

    ~ben

    -

    {{ tagline }} - -

    + +

    @@ -58,48 +49,61 @@ -
    +

    play with some ascii art
    - - + + value=""> +
    - - + +
    -
    - 
    {{ output }}
    +
    + 
    
                 
    
             
         
    
 
         
    
-        
    
-            
-            
    should u do it
    
-            {{ yesno }}
-        
    
-        
 
         
    page hits as of jan 2020
    
         
-    
-    
-    
+    
 
 
 
 
+
diff --git a/js/app.js b/js/app.js
deleted file mode 100644
index 622cb35..0000000
--- a/js/app.js
+++ /dev/null
@@ -1,44 +0,0 @@
-var vm = new Vue({
-    el: '#app',
-    data: {
-        text: 'make ascii art',
-        output: '',
-        font: 'slant',
-        fonts: [],
-        yesno: '',
-        yesnoimg: '',
-        tagline: ''
-    },
-    created: function () {
-        axios.get(
-            'api/?fonts'
-        ).then(function (response) {
-            vm.fonts = response.data
-        })
-        this.getnewtagline()
-        this.updateOutput()
-    },
-    methods: {
-        updateOutput: function () {
-            axios.get(
-                'api/?text=' + this.text + '&font=' + this.font
-            ).then(function (response) {
-                vm.output = response.data
-            })
-        },
-        getyesno: function () {
-            axios.get(
-                'https://yesno.wtf/api'
-            ).then(function (response) {
-                response = response.data
-                vm.yesno = response.answer
-                vm.yesnoimg = response.image
-            })
-        },
-        getnewtagline: function () {
-            axios.get('api/').then(function (response) {
-                vm.tagline = response.data
-            })
-        }
-    }
-})
diff --git a/js/axios.min.js b/js/axios.min.js
deleted file mode 100644
index c27e70b..0000000
--- a/js/axios.min.js
+++ /dev/null
@@ -1,9 +0,0 @@
-/* axios v0.17.1 | (c) 2017 by Matt Zabriskie */
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-	 */
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diff --git a/js/es6-promise.auto.min.js b/js/es6-promise.auto.min.js
deleted file mode 100644
index 0e566b8..0000000
--- a/js/es6-promise.auto.min.js
+++ /dev/null
@@ -1 +0,0 @@
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(a = !0, u = s.error, s.error = null) : c = !0, n === s) return void j(n, d()) } else s = o, c = !0; n._state !== nt || (i && c ? g(n, s) : a ? j(n, u) : t === rt ? S(n, s) : t === ot && j(n, s)) } function C(t, e) { try { e(function (e) { g(t, e) }, function (e) { j(t, e) }) } catch (n) { j(t, n) } } function O() { return ut++ } function k(t) { t[et] = ut++ , t._state = void 0, t._result = void 0, t._subscribers = [] } function Y(t, e) { this._instanceConstructor = t, this.promise = new t(p), this.promise[et] || k(this.promise), B(e) ? (this.length = e.length, this._remaining = e.length, this._result = new Array(this.length), 0 === this.length ? S(this.promise, this._result) : (this.length = this.length || 0, this._enumerate(e), 0 === this._remaining && S(this.promise, this._result))) : j(this.promise, q()) } function q() { return new Error("Array Methods must be provided an Array") } function F(t) { return new Y(this, t).promise } function D(t) { var e = this; return new e(B(t) ? function (n, r) { for (var o = t.length, i = 0; i < o; i++)e.resolve(t[i]).then(n, r) } : function (t, e) { return e(new TypeError("You must pass an array to race.")) }) } function K(t) { var e = this, n = new e(p); return j(n, t), n } function L() { throw new TypeError("You must pass a resolver function as the first argument to the promise constructor") } function N() { throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.") } function U(t) { this[et] = O(), this._result = this._state = void 0, this._subscribers = [], p !== t && ("function" != typeof t && L(), this instanceof U ? C(this, t) : N()) } function W() { var t = void 0; if ("undefined" != typeof global) t = global; else if ("undefined" != typeof self) t = self; else try { t = Function("return this")() } catch (e) { throw new Error("polyfill failed because global object is unavailable in this environment") } var n = t.Promise; if (n) { var r = null; try { r = Object.prototype.toString.call(n.resolve()) } catch (e) { } if ("[object Promise]" === r && !n.cast) return } t.Promise = U } var z = void 0; z = Array.isArray ? Array.isArray : function (t) { return "[object Array]" === Object.prototype.toString.call(t) }; var B = z, G = 0, H = void 0, I = void 0, J = function (t, e) { $[G] = t, $[G + 1] = e, G += 2, 2 === G && (I ? I(a) : tt()) }, Q = "undefined" != typeof window ? window : void 0, R = Q || {}, V = R.MutationObserver || R.WebKitMutationObserver, X = "undefined" == typeof self && "undefined" != typeof process && "[object process]" === {}.toString.call(process), Z = "undefined" != typeof Uint8ClampedArray && "undefined" != typeof importScripts && "undefined" != typeof MessageChannel, $ = new Array(1e3), tt = void 0; tt = X ? o() : V ? s() : Z ? u() : void 0 === Q && "function" == typeof require ? f() : c(); var et = Math.random().toString(36).substring(16), nt = void 0, rt = 1, ot = 2, it = new M, st = new M, ut = 0; return Y.prototype._enumerate = function (t) { for (var e = 0; this._state === nt && e < t.length; e++)this._eachEntry(t[e], e) }, Y.prototype._eachEntry = function (t, e) { var n = this._instanceConstructor, r = n.resolve; if (r === h) { var o = _(t); if (o === l && t._state !== nt) this._settledAt(t._state, e, t._result); else if ("function" != typeof o) this._remaining-- , this._result[e] = t; else if (n === U) { var i = new n(p); w(i, t, o), this._willSettleAt(i, e) } else this._willSettleAt(new n(function (e) { return e(t) }), e) } else this._willSettleAt(r(t), e) }, Y.prototype._settledAt = function (t, e, n) { var r = this.promise; r._state === nt && (this._remaining-- , t === ot ? j(r, n) : this._result[e] = n), 0 === this._remaining && S(r, this._result) }, Y.prototype._willSettleAt = function (t, e) { var n = this; E(t, void 0, function (t) { return n._settledAt(rt, e, t) }, function (t) { return n._settledAt(ot, e, t) }) }, U.all = F, U.race = D, U.resolve = h, U.reject = K, U._setScheduler = n, U._setAsap = r, U._asap = J, U.prototype = { constructor: U, then: l, "catch": function (t) { return this.then(null, t) } }, U.polyfill = W, U.Promise = U, U.polyfill(), U });
diff --git a/js/vue.js b/js/vue.js
deleted file mode 100644
index 5d529e5..0000000
--- a/js/vue.js
+++ /dev/null
@@ -1,10715 +0,0 @@
-/*!
- * Vue.js v2.5.9
- * (c) 2014-2017 Evan You
- * Released under the MIT License.
- */
-(function (global, factory) {
-    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
-        typeof define === 'function' && define.amd ? define(factory) :
-            (global.Vue = factory());
-}(this, (function () {
-    'use strict';
-
-    /*  */
-
-    var emptyObject = Object.freeze({});
-
-    // these helpers produces better vm code in JS engines due to their
-    // explicitness and function inlining
-    function isUndef(v) {
-        return v === undefined || v === null
-    }
-
-    function isDef(v) {
-        return v !== undefined && v !== null
-    }
-
-    function isTrue(v) {
-        return v === true
-    }
-
-    function isFalse(v) {
-        return v === false
-    }
-
-    /**
-     * Check if value is primitive
-     */
-    function isPrimitive(value) {
-        return (
-            typeof value === 'string' ||
-            typeof value === 'number' ||
-            typeof value === 'boolean'
-        )
-    }
-
-    /**
-     * Quick object check - this is primarily used to tell
-     * Objects from primitive values when we know the value
-     * is a JSON-compliant type.
-     */
-    function isObject(obj) {
-        return obj !== null && typeof obj === 'object'
-    }
-
-    /**
-     * Get the raw type string of a value e.g. [object Object]
-     */
-    var _toString = Object.prototype.toString;
-
-    function toRawType(value) {
-        return _toString.call(value).slice(8, -1)
-    }
-
-    /**
-     * Strict object type check. Only returns true
-     * for plain JavaScript objects.
-     */
-    function isPlainObject(obj) {
-        return _toString.call(obj) === '[object Object]'
-    }
-
-    function isRegExp(v) {
-        return _toString.call(v) === '[object RegExp]'
-    }
-
-    /**
-     * Check if val is a valid array index.
-     */
-    function isValidArrayIndex(val) {
-        var n = parseFloat(String(val));
-        return n >= 0 && Math.floor(n) === n && isFinite(val)
-    }
-
-    /**
-     * Convert a value to a string that is actually rendered.
-     */
-    function toString(val) {
-        return val == null
-            ? ''
-            : typeof val === 'object'
-                ? JSON.stringify(val, null, 2)
-                : String(val)
-    }
-
-    /**
-     * Convert a input value to a number for persistence.
-     * If the conversion fails, return original string.
-     */
-    function toNumber(val) {
-        var n = parseFloat(val);
-        return isNaN(n) ? val : n
-    }
-
-    /**
-     * Make a map and return a function for checking if a key
-     * is in that map.
-     */
-    function makeMap(
-        str,
-        expectsLowerCase
-    ) {
-        var map = Object.create(null);
-        var list = str.split(',');
-        for (var i = 0; i < list.length; i++) {
-            map[list[i]] = true;
-        }
-        return expectsLowerCase
-            ? function (val) { return map[val.toLowerCase()]; }
-            : function (val) { return map[val]; }
-    }
-
-    /**
-     * Check if a tag is a built-in tag.
-     */
-    var isBuiltInTag = makeMap('slot,component', true);
-
-    /**
-     * Check if a attribute is a reserved attribute.
-     */
-    var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
-
-    /**
-     * Remove an item from an array
-     */
-    function remove(arr, item) {
-        if (arr.length) {
-            var index = arr.indexOf(item);
-            if (index > -1) {
-                return arr.splice(index, 1)
-            }
-        }
-    }
-
-    /**
-     * Check whether the object has the property.
-     */
-    var hasOwnProperty = Object.prototype.hasOwnProperty;
-    function hasOwn(obj, key) {
-        return hasOwnProperty.call(obj, key)
-    }
-
-    /**
-     * Create a cached version of a pure function.
-     */
-    function cached(fn) {
-        var cache = Object.create(null);
-        return (function cachedFn(str) {
-            var hit = cache[str];
-            return hit || (cache[str] = fn(str))
-        })
-    }
-
-    /**
-     * Camelize a hyphen-delimited string.
-     */
-    var camelizeRE = /-(\w)/g;
-    var camelize = cached(function (str) {
-        return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
-    });
-
-    /**
-     * Capitalize a string.
-     */
-    var capitalize = cached(function (str) {
-        return str.charAt(0).toUpperCase() + str.slice(1)
-    });
-
-    /**
-     * Hyphenate a camelCase string.
-     */
-    var hyphenateRE = /\B([A-Z])/g;
-    var hyphenate = cached(function (str) {
-        return str.replace(hyphenateRE, '-$1').toLowerCase()
-    });
-
-    /**
-     * Simple bind, faster than native
-     */
-    function bind(fn, ctx) {
-        function boundFn(a) {
-            var l = arguments.length;
-            return l
-                ? l > 1
-                    ? fn.apply(ctx, arguments)
-                    : fn.call(ctx, a)
-                : fn.call(ctx)
-        }
-        // record original fn length
-        boundFn._length = fn.length;
-        return boundFn
-    }
-
-    /**
-     * Convert an Array-like object to a real Array.
-     */
-    function toArray(list, start) {
-        start = start || 0;
-        var i = list.length - start;
-        var ret = new Array(i);
-        while (i--) {
-            ret[i] = list[i + start];
-        }
-        return ret
-    }
-
-    /**
-     * Mix properties into target object.
-     */
-    function extend(to, _from) {
-        for (var key in _from) {
-            to[key] = _from[key];
-        }
-        return to
-    }
-
-    /**
-     * Merge an Array of Objects into a single Object.
-     */
-    function toObject(arr) {
-        var res = {};
-        for (var i = 0; i < arr.length; i++) {
-            if (arr[i]) {
-                extend(res, arr[i]);
-            }
-        }
-        return res
-    }
-
-    /**
-     * Perform no operation.
-     * Stubbing args to make Flow happy without leaving useless transpiled code
-     * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)
-     */
-    function noop(a, b, c) { }
-
-    /**
-     * Always return false.
-     */
-    var no = function (a, b, c) { return false; };
-
-    /**
-     * Return same value
-     */
-    var identity = function (_) { return _; };
-
-    /**
-     * Generate a static keys string from compiler modules.
-     */
-    function genStaticKeys(modules) {
-        return modules.reduce(function (keys, m) {
-            return keys.concat(m.staticKeys || [])
-        }, []).join(',')
-    }
-
-    /**
-     * Check if two values are loosely equal - that is,
-     * if they are plain objects, do they have the same shape?
-     */
-    function looseEqual(a, b) {
-        if (a === b) { return true }
-        var isObjectA = isObject(a);
-        var isObjectB = isObject(b);
-        if (isObjectA && isObjectB) {
-            try {
-                var isArrayA = Array.isArray(a);
-                var isArrayB = Array.isArray(b);
-                if (isArrayA && isArrayB) {
-                    return a.length === b.length && a.every(function (e, i) {
-                        return looseEqual(e, b[i])
-                    })
-                } else if (!isArrayA && !isArrayB) {
-                    var keysA = Object.keys(a);
-                    var keysB = Object.keys(b);
-                    return keysA.length === keysB.length && keysA.every(function (key) {
-                        return looseEqual(a[key], b[key])
-                    })
-                } else {
-                    /* istanbul ignore next */
-                    return false
-                }
-            } catch (e) {
-                /* istanbul ignore next */
-                return false
-            }
-        } else if (!isObjectA && !isObjectB) {
-            return String(a) === String(b)
-        } else {
-            return false
-        }
-    }
-
-    function looseIndexOf(arr, val) {
-        for (var i = 0; i < arr.length; i++) {
-            if (looseEqual(arr[i], val)) { return i }
-        }
-        return -1
-    }
-
-    /**
-     * Ensure a function is called only once.
-     */
-    function once(fn) {
-        var called = false;
-        return function () {
-            if (!called) {
-                called = true;
-                fn.apply(this, arguments);
-            }
-        }
-    }
-
-    var SSR_ATTR = 'data-server-rendered';
-
-    var ASSET_TYPES = [
-        'component',
-        'directive',
-        'filter'
-    ];
-
-    var LIFECYCLE_HOOKS = [
-        'beforeCreate',
-        'created',
-        'beforeMount',
-        'mounted',
-        'beforeUpdate',
-        'updated',
-        'beforeDestroy',
-        'destroyed',
-        'activated',
-        'deactivated',
-        'errorCaptured'
-    ];
-
-    /*  */
-
-    var config = ({
-        /**
-         * Option merge strategies (used in core/util/options)
-         */
-        optionMergeStrategies: Object.create(null),
-
-        /**
-         * Whether to suppress warnings.
-         */
-        silent: false,
-
-        /**
-         * Show production mode tip message on boot?
-         */
-        productionTip: "development" !== 'production',
-
-        /**
-         * Whether to enable devtools
-         */
-        devtools: "development" !== 'production',
-
-        /**
-         * Whether to record perf
-         */
-        performance: false,
-
-        /**
-         * Error handler for watcher errors
-         */
-        errorHandler: null,
-
-        /**
-         * Warn handler for watcher warns
-         */
-        warnHandler: null,
-
-        /**
-         * Ignore certain custom elements
-         */
-        ignoredElements: [],
-
-        /**
-         * Custom user key aliases for v-on
-         */
-        keyCodes: Object.create(null),
-
-        /**
-         * Check if a tag is reserved so that it cannot be registered as a
-         * component. This is platform-dependent and may be overwritten.
-         */
-        isReservedTag: no,
-
-        /**
-         * Check if an attribute is reserved so that it cannot be used as a component
-         * prop. This is platform-dependent and may be overwritten.
-         */
-        isReservedAttr: no,
-
-        /**
-         * Check if a tag is an unknown element.
-         * Platform-dependent.
-         */
-        isUnknownElement: no,
-
-        /**
-         * Get the namespace of an element
-         */
-        getTagNamespace: noop,
-
-        /**
-         * Parse the real tag name for the specific platform.
-         */
-        parsePlatformTagName: identity,
-
-        /**
-         * Check if an attribute must be bound using property, e.g. value
-         * Platform-dependent.
-         */
-        mustUseProp: no,
-
-        /**
-         * Exposed for legacy reasons
-         */
-        _lifecycleHooks: LIFECYCLE_HOOKS
-    });
-
-    /*  */
-
-    /**
-     * Check if a string starts with $ or _
-     */
-    function isReserved(str) {
-        var c = (str + '').charCodeAt(0);
-        return c === 0x24 || c === 0x5F
-    }
-
-    /**
-     * Define a property.
-     */
-    function def(obj, key, val, enumerable) {
-        Object.defineProperty(obj, key, {
-            value: val,
-            enumerable: !!enumerable,
-            writable: true,
-            configurable: true
-        });
-    }
-
-    /**
-     * Parse simple path.
-     */
-    var bailRE = /[^\w.$]/;
-    function parsePath(path) {
-        if (bailRE.test(path)) {
-            return
-        }
-        var segments = path.split('.');
-        return function (obj) {
-            for (var i = 0; i < segments.length; i++) {
-                if (!obj) { return }
-                obj = obj[segments[i]];
-            }
-            return obj
-        }
-    }
-
-    /*  */
-
-
-    // can we use __proto__?
-    var hasProto = '__proto__' in {};
-
-    // Browser environment sniffing
-    var inBrowser = typeof window !== 'undefined';
-    var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
-    var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
-    var UA = inBrowser && window.navigator.userAgent.toLowerCase();
-    var isIE = UA && /msie|trident/.test(UA);
-    var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
-    var isEdge = UA && UA.indexOf('edge/') > 0;
-    var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
-    var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
-    var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
-
-    // Firefox has a "watch" function on Object.prototype...
-    var nativeWatch = ({}).watch;
-
-    var supportsPassive = false;
-    if (inBrowser) {
-        try {
-            var opts = {};
-            Object.defineProperty(opts, 'passive', ({
-                get: function get() {
-                    /* istanbul ignore next */
-                    supportsPassive = true;
-                }
-            })); // https://github.com/facebook/flow/issues/285
-            window.addEventListener('test-passive', null, opts);
-        } catch (e) { }
-    }
-
-    // this needs to be lazy-evaled because vue may be required before
-    // vue-server-renderer can set VUE_ENV
-    var _isServer;
-    var isServerRendering = function () {
-        if (_isServer === undefined) {
-            /* istanbul ignore if */
-            if (!inBrowser && typeof global !== 'undefined') {
-                // detect presence of vue-server-renderer and avoid
-                // Webpack shimming the process
-                _isServer = global['process'].env.VUE_ENV === 'server';
-            } else {
-                _isServer = false;
-            }
-        }
-        return _isServer
-    };
-
-    // detect devtools
-    var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
-
-    /* istanbul ignore next */
-    function isNative(Ctor) {
-        return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
-    }
-
-    var hasSymbol =
-        typeof Symbol !== 'undefined' && isNative(Symbol) &&
-        typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
-
-    var _Set;
-    /* istanbul ignore if */ // $flow-disable-line
-    if (typeof Set !== 'undefined' && isNative(Set)) {
-        // use native Set when available.
-        _Set = Set;
-    } else {
-        // a non-standard Set polyfill that only works with primitive keys.
-        _Set = (function () {
-            function Set() {
-                this.set = Object.create(null);
-            }
-            Set.prototype.has = function has(key) {
-                return this.set[key] === true
-            };
-            Set.prototype.add = function add(key) {
-                this.set[key] = true;
-            };
-            Set.prototype.clear = function clear() {
-                this.set = Object.create(null);
-            };
-
-            return Set;
-        }());
-    }
-
-    /*  */
-
-    var warn = noop;
-    var tip = noop;
-    var generateComponentTrace = (noop); // work around flow check
-    var formatComponentName = (noop);
-
-    {
-        var hasConsole = typeof console !== 'undefined';
-        var classifyRE = /(?:^|[-_])(\w)/g;
-        var classify = function (str) {
-            return str
-                .replace(classifyRE, function (c) { return c.toUpperCase(); })
-                .replace(/[-_]/g, '');
-        };
-
-        warn = function (msg, vm) {
-            var trace = vm ? generateComponentTrace(vm) : '';
-
-            if (config.warnHandler) {
-                config.warnHandler.call(null, msg, vm, trace);
-            } else if (hasConsole && (!config.silent)) {
-                console.error(("[Vue warn]: " + msg + trace));
-            }
-        };
-
-        tip = function (msg, vm) {
-            if (hasConsole && (!config.silent)) {
-                console.warn("[Vue tip]: " + msg + (
-                    vm ? generateComponentTrace(vm) : ''
-                ));
-            }
-        };
-
-        formatComponentName = function (vm, includeFile) {
-            if (vm.$root === vm) {
-                return ''
-            }
-            var options = typeof vm === 'function' && vm.cid != null
-                ? vm.options
-                : vm._isVue
-                    ? vm.$options || vm.constructor.options
-                    : vm || {};
-            var name = options.name || options._componentTag;
-            var file = options.__file;
-            if (!name && file) {
-                var match = file.match(/([^/\\]+)\.vue$/);
-                name = match && match[1];
-            }
-
-            return (
-                (name ? ("<" + (classify(name)) + ">") : "") +
-                (file && includeFile !== false ? (" at " + file) : '')
-            )
-        };
-
-        var repeat = function (str, n) {
-            var res = '';
-            while (n) {
-                if (n % 2 === 1) { res += str; }
-                if (n > 1) { str += str; }
-                n >>= 1;
-            }
-            return res
-        };
-
-        generateComponentTrace = function (vm) {
-            if (vm._isVue && vm.$parent) {
-                var tree = [];
-                var currentRecursiveSequence = 0;
-                while (vm) {
-                    if (tree.length > 0) {
-                        var last = tree[tree.length - 1];
-                        if (last.constructor === vm.constructor) {
-                            currentRecursiveSequence++;
-                            vm = vm.$parent;
-                            continue
-                        } else if (currentRecursiveSequence > 0) {
-                            tree[tree.length - 1] = [last, currentRecursiveSequence];
-                            currentRecursiveSequence = 0;
-                        }
-                    }
-                    tree.push(vm);
-                    vm = vm.$parent;
-                }
-                return '\n\nfound in\n\n' + tree
-                    .map(function (vm, i) {
-                        return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
-                            ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
-                            : formatComponentName(vm)));
-                    })
-                    .join('\n')
-            } else {
-                return ("\n\n(found in " + (formatComponentName(vm)) + ")")
-            }
-        };
-    }
-
-    /*  */
-
-
-    var uid = 0;
-
-    /**
-     * A dep is an observable that can have multiple
-     * directives subscribing to it.
-     */
-    var Dep = function Dep() {
-        this.id = uid++;
-        this.subs = [];
-    };
-
-    Dep.prototype.addSub = function addSub(sub) {
-        this.subs.push(sub);
-    };
-
-    Dep.prototype.removeSub = function removeSub(sub) {
-        remove(this.subs, sub);
-    };
-
-    Dep.prototype.depend = function depend() {
-        if (Dep.target) {
-            Dep.target.addDep(this);
-        }
-    };
-
-    Dep.prototype.notify = function notify() {
-        // stabilize the subscriber list first
-        var subs = this.subs.slice();
-        for (var i = 0, l = subs.length; i < l; i++) {
-            subs[i].update();
-        }
-    };
-
-    // the current target watcher being evaluated.
-    // this is globally unique because there could be only one
-    // watcher being evaluated at any time.
-    Dep.target = null;
-    var targetStack = [];
-
-    function pushTarget(_target) {
-        if (Dep.target) { targetStack.push(Dep.target); }
-        Dep.target = _target;
-    }
-
-    function popTarget() {
-        Dep.target = targetStack.pop();
-    }
-
-    /*  */
-
-    var VNode = function VNode(
-        tag,
-        data,
-        children,
-        text,
-        elm,
-        context,
-        componentOptions,
-        asyncFactory
-    ) {
-        this.tag = tag;
-        this.data = data;
-        this.children = children;
-        this.text = text;
-        this.elm = elm;
-        this.ns = undefined;
-        this.context = context;
-        this.fnContext = undefined;
-        this.fnOptions = undefined;
-        this.fnScopeId = undefined;
-        this.key = data && data.key;
-        this.componentOptions = componentOptions;
-        this.componentInstance = undefined;
-        this.parent = undefined;
-        this.raw = false;
-        this.isStatic = false;
-        this.isRootInsert = true;
-        this.isComment = false;
-        this.isCloned = false;
-        this.isOnce = false;
-        this.asyncFactory = asyncFactory;
-        this.asyncMeta = undefined;
-        this.isAsyncPlaceholder = false;
-    };
-
-    var prototypeAccessors = { child: { configurable: true } };
-
-    // DEPRECATED: alias for componentInstance for backwards compat.
-    /* istanbul ignore next */
-    prototypeAccessors.child.get = function () {
-        return this.componentInstance
-    };
-
-    Object.defineProperties(VNode.prototype, prototypeAccessors);
-
-    var createEmptyVNode = function (text) {
-        if (text === void 0) text = '';
-
-        var node = new VNode();
-        node.text = text;
-        node.isComment = true;
-        return node
-    };
-
-    function createTextVNode(val) {
-        return new VNode(undefined, undefined, undefined, String(val))
-    }
-
-    // optimized shallow clone
-    // used for static nodes and slot nodes because they may be reused across
-    // multiple renders, cloning them avoids errors when DOM manipulations rely
-    // on their elm reference.
-    function cloneVNode(vnode, deep) {
-        var componentOptions = vnode.componentOptions;
-        var cloned = new VNode(
-            vnode.tag,
-            vnode.data,
-            vnode.children,
-            vnode.text,
-            vnode.elm,
-            vnode.context,
-            componentOptions,
-            vnode.asyncFactory
-        );
-        cloned.ns = vnode.ns;
-        cloned.isStatic = vnode.isStatic;
-        cloned.key = vnode.key;
-        cloned.isComment = vnode.isComment;
-        cloned.fnContext = vnode.fnContext;
-        cloned.fnOptions = vnode.fnOptions;
-        cloned.fnScopeId = vnode.fnScopeId;
-        cloned.isCloned = true;
-        if (deep) {
-            if (vnode.children) {
-                cloned.children = cloneVNodes(vnode.children, true);
-            }
-            if (componentOptions && componentOptions.children) {
-                componentOptions.children = cloneVNodes(componentOptions.children, true);
-            }
-        }
-        return cloned
-    }
-
-    function cloneVNodes(vnodes, deep) {
-        var len = vnodes.length;
-        var res = new Array(len);
-        for (var i = 0; i < len; i++) {
-            res[i] = cloneVNode(vnodes[i], deep);
-        }
-        return res
-    }
-
-    /*
-     * not type checking this file because flow doesn't play well with
-     * dynamically accessing methods on Array prototype
-     */
-
-    var arrayProto = Array.prototype;
-    var arrayMethods = Object.create(arrayProto);[
-        'push',
-        'pop',
-        'shift',
-        'unshift',
-        'splice',
-        'sort',
-        'reverse'
-    ]
-        .forEach(function (method) {
-            // cache original method
-            var original = arrayProto[method];
-            def(arrayMethods, method, function mutator() {
-                var args = [], len = arguments.length;
-                while (len--) args[len] = arguments[len];
-
-                var result = original.apply(this, args);
-                var ob = this.__ob__;
-                var inserted;
-                switch (method) {
-                    case 'push':
-                    case 'unshift':
-                        inserted = args;
-                        break
-                    case 'splice':
-                        inserted = args.slice(2);
-                        break
-                }
-                if (inserted) { ob.observeArray(inserted); }
-                // notify change
-                ob.dep.notify();
-                return result
-            });
-        });
-
-    /*  */
-
-    var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
-
-    /**
-     * By default, when a reactive property is set, the new value is
-     * also converted to become reactive. However when passing down props,
-     * we don't want to force conversion because the value may be a nested value
-     * under a frozen data structure. Converting it would defeat the optimization.
-     */
-    var observerState = {
-        shouldConvert: true
-    };
-
-    /**
-     * Observer class that are attached to each observed
-     * object. Once attached, the observer converts target
-     * object's property keys into getter/setters that
-     * collect dependencies and dispatches updates.
-     */
-    var Observer = function Observer(value) {
-        this.value = value;
-        this.dep = new Dep();
-        this.vmCount = 0;
-        def(value, '__ob__', this);
-        if (Array.isArray(value)) {
-            var augment = hasProto
-                ? protoAugment
-                : copyAugment;
-            augment(value, arrayMethods, arrayKeys);
-            this.observeArray(value);
-        } else {
-            this.walk(value);
-        }
-    };
-
-    /**
-     * Walk through each property and convert them into
-     * getter/setters. This method should only be called when
-     * value type is Object.
-     */
-    Observer.prototype.walk = function walk(obj) {
-        var keys = Object.keys(obj);
-        for (var i = 0; i < keys.length; i++) {
-            defineReactive(obj, keys[i], obj[keys[i]]);
-        }
-    };
-
-    /**
-     * Observe a list of Array items.
-     */
-    Observer.prototype.observeArray = function observeArray(items) {
-        for (var i = 0, l = items.length; i < l; i++) {
-            observe(items[i]);
-        }
-    };
-
-    // helpers
-
-    /**
-     * Augment an target Object or Array by intercepting
-     * the prototype chain using __proto__
-     */
-    function protoAugment(target, src, keys) {
-        /* eslint-disable no-proto */
-        target.__proto__ = src;
-        /* eslint-enable no-proto */
-    }
-
-    /**
-     * Augment an target Object or Array by defining
-     * hidden properties.
-     */
-    /* istanbul ignore next */
-    function copyAugment(target, src, keys) {
-        for (var i = 0, l = keys.length; i < l; i++) {
-            var key = keys[i];
-            def(target, key, src[key]);
-        }
-    }
-
-    /**
-     * Attempt to create an observer instance for a value,
-     * returns the new observer if successfully observed,
-     * or the existing observer if the value already has one.
-     */
-    function observe(value, asRootData) {
-        if (!isObject(value) || value instanceof VNode) {
-            return
-        }
-        var ob;
-        if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
-            ob = value.__ob__;
-        } else if (
-            observerState.shouldConvert &&
-            !isServerRendering() &&
-            (Array.isArray(value) || isPlainObject(value)) &&
-            Object.isExtensible(value) &&
-            !value._isVue
-        ) {
-            ob = new Observer(value);
-        }
-        if (asRootData && ob) {
-            ob.vmCount++;
-        }
-        return ob
-    }
-
-    /**
-     * Define a reactive property on an Object.
-     */
-    function defineReactive(
-        obj,
-        key,
-        val,
-        customSetter,
-        shallow
-    ) {
-        var dep = new Dep();
-
-        var property = Object.getOwnPropertyDescriptor(obj, key);
-        if (property && property.configurable === false) {
-            return
-        }
-
-        // cater for pre-defined getter/setters
-        var getter = property && property.get;
-        var setter = property && property.set;
-
-        var childOb = !shallow && observe(val);
-        Object.defineProperty(obj, key, {
-            enumerable: true,
-            configurable: true,
-            get: function reactiveGetter() {
-                var value = getter ? getter.call(obj) : val;
-                if (Dep.target) {
-                    dep.depend();
-                    if (childOb) {
-                        childOb.dep.depend();
-                        if (Array.isArray(value)) {
-                            dependArray(value);
-                        }
-                    }
-                }
-                return value
-            },
-            set: function reactiveSetter(newVal) {
-                var value = getter ? getter.call(obj) : val;
-                /* eslint-disable no-self-compare */
-                if (newVal === value || (newVal !== newVal && value !== value)) {
-                    return
-                }
-                /* eslint-enable no-self-compare */
-                if ("development" !== 'production' && customSetter) {
-                    customSetter();
-                }
-                if (setter) {
-                    setter.call(obj, newVal);
-                } else {
-                    val = newVal;
-                }
-                childOb = !shallow && observe(newVal);
-                dep.notify();
-            }
-        });
-    }
-
-    /**
-     * Set a property on an object. Adds the new property and
-     * triggers change notification if the property doesn't
-     * already exist.
-     */
-    function set(target, key, val) {
-        if (Array.isArray(target) && isValidArrayIndex(key)) {
-            target.length = Math.max(target.length, key);
-            target.splice(key, 1, val);
-            return val
-        }
-        if (key in target && !(key in Object.prototype)) {
-            target[key] = val;
-            return val
-        }
-        var ob = (target).__ob__;
-        if (target._isVue || (ob && ob.vmCount)) {
-            "development" !== 'production' && warn(
-                'Avoid adding reactive properties to a Vue instance or its root $data ' +
-                'at runtime - declare it upfront in the data option.'
-            );
-            return val
-        }
-        if (!ob) {
-            target[key] = val;
-            return val
-        }
-        defineReactive(ob.value, key, val);
-        ob.dep.notify();
-        return val
-    }
-
-    /**
-     * Delete a property and trigger change if necessary.
-     */
-    function del(target, key) {
-        if (Array.isArray(target) && isValidArrayIndex(key)) {
-            target.splice(key, 1);
-            return
-        }
-        var ob = (target).__ob__;
-        if (target._isVue || (ob && ob.vmCount)) {
-            "development" !== 'production' && warn(
-                'Avoid deleting properties on a Vue instance or its root $data ' +
-                '- just set it to null.'
-            );
-            return
-        }
-        if (!hasOwn(target, key)) {
-            return
-        }
-        delete target[key];
-        if (!ob) {
-            return
-        }
-        ob.dep.notify();
-    }
-
-    /**
-     * Collect dependencies on array elements when the array is touched, since
-     * we cannot intercept array element access like property getters.
-     */
-    function dependArray(value) {
-        for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
-            e = value[i];
-            e && e.__ob__ && e.__ob__.dep.depend();
-            if (Array.isArray(e)) {
-                dependArray(e);
-            }
-        }
-    }
-
-    /*  */
-
-    /**
-     * Option overwriting strategies are functions that handle
-     * how to merge a parent option value and a child option
-     * value into the final value.
-     */
-    var strats = config.optionMergeStrategies;
-
-    /**
-     * Options with restrictions
-     */
-    {
-        strats.el = strats.propsData = function (parent, child, vm, key) {
-            if (!vm) {
-                warn(
-                    "option \"" + key + "\" can only be used during instance " +
-                    'creation with the `new` keyword.'
-                );
-            }
-            return defaultStrat(parent, child)
-        };
-    }
-
-    /**
-     * Helper that recursively merges two data objects together.
-     */
-    function mergeData(to, from) {
-        if (!from) { return to }
-        var key, toVal, fromVal;
-        var keys = Object.keys(from);
-        for (var i = 0; i < keys.length; i++) {
-            key = keys[i];
-            toVal = to[key];
-            fromVal = from[key];
-            if (!hasOwn(to, key)) {
-                set(to, key, fromVal);
-            } else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
-                mergeData(toVal, fromVal);
-            }
-        }
-        return to
-    }
-
-    /**
-     * Data
-     */
-    function mergeDataOrFn(
-        parentVal,
-        childVal,
-        vm
-    ) {
-        if (!vm) {
-            // in a Vue.extend merge, both should be functions
-            if (!childVal) {
-                return parentVal
-            }
-            if (!parentVal) {
-                return childVal
-            }
-            // when parentVal & childVal are both present,
-            // we need to return a function that returns the
-            // merged result of both functions... no need to
-            // check if parentVal is a function here because
-            // it has to be a function to pass previous merges.
-            return function mergedDataFn() {
-                return mergeData(
-                    typeof childVal === 'function' ? childVal.call(this) : childVal,
-                    typeof parentVal === 'function' ? parentVal.call(this) : parentVal
-                )
-            }
-        } else {
-            return function mergedInstanceDataFn() {
-                // instance merge
-                var instanceData = typeof childVal === 'function'
-                    ? childVal.call(vm)
-                    : childVal;
-                var defaultData = typeof parentVal === 'function'
-                    ? parentVal.call(vm)
-                    : parentVal;
-                if (instanceData) {
-                    return mergeData(instanceData, defaultData)
-                } else {
-                    return defaultData
-                }
-            }
-        }
-    }
-
-    strats.data = function (
-        parentVal,
-        childVal,
-        vm
-    ) {
-        if (!vm) {
-            if (childVal && typeof childVal !== 'function') {
-                "development" !== 'production' && warn(
-                    'The "data" option should be a function ' +
-                    'that returns a per-instance value in component ' +
-                    'definitions.',
-                    vm
-                );
-
-                return parentVal
-            }
-            return mergeDataOrFn(parentVal, childVal)
-        }
-
-        return mergeDataOrFn(parentVal, childVal, vm)
-    };
-
-    /**
-     * Hooks and props are merged as arrays.
-     */
-    function mergeHook(
-        parentVal,
-        childVal
-    ) {
-        return childVal
-            ? parentVal
-                ? parentVal.concat(childVal)
-                : Array.isArray(childVal)
-                    ? childVal
-                    : [childVal]
-            : parentVal
-    }
-
-    LIFECYCLE_HOOKS.forEach(function (hook) {
-        strats[hook] = mergeHook;
-    });
-
-    /**
-     * Assets
-     *
-     * When a vm is present (instance creation), we need to do
-     * a three-way merge between constructor options, instance
-     * options and parent options.
-     */
-    function mergeAssets(
-        parentVal,
-        childVal,
-        vm,
-        key
-    ) {
-        var res = Object.create(parentVal || null);
-        if (childVal) {
-            "development" !== 'production' && assertObjectType(key, childVal, vm);
-            return extend(res, childVal)
-        } else {
-            return res
-        }
-    }
-
-    ASSET_TYPES.forEach(function (type) {
-        strats[type + 's'] = mergeAssets;
-    });
-
-    /**
-     * Watchers.
-     *
-     * Watchers hashes should not overwrite one
-     * another, so we merge them as arrays.
-     */
-    strats.watch = function (
-        parentVal,
-        childVal,
-        vm,
-        key
-    ) {
-        // work around Firefox's Object.prototype.watch...
-        if (parentVal === nativeWatch) { parentVal = undefined; }
-        if (childVal === nativeWatch) { childVal = undefined; }
-        /* istanbul ignore if */
-        if (!childVal) { return Object.create(parentVal || null) }
-        {
-            assertObjectType(key, childVal, vm);
-        }
-        if (!parentVal) { return childVal }
-        var ret = {};
-        extend(ret, parentVal);
-        for (var key$1 in childVal) {
-            var parent = ret[key$1];
-            var child = childVal[key$1];
-            if (parent && !Array.isArray(parent)) {
-                parent = [parent];
-            }
-            ret[key$1] = parent
-                ? parent.concat(child)
-                : Array.isArray(child) ? child : [child];
-        }
-        return ret
-    };
-
-    /**
-     * Other object hashes.
-     */
-    strats.props =
-        strats.methods =
-        strats.inject =
-        strats.computed = function (
-            parentVal,
-            childVal,
-            vm,
-            key
-        ) {
-            if (childVal && "development" !== 'production') {
-                assertObjectType(key, childVal, vm);
-            }
-            if (!parentVal) { return childVal }
-            var ret = Object.create(null);
-            extend(ret, parentVal);
-            if (childVal) { extend(ret, childVal); }
-            return ret
-        };
-    strats.provide = mergeDataOrFn;
-
-    /**
-     * Default strategy.
-     */
-    var defaultStrat = function (parentVal, childVal) {
-        return childVal === undefined
-            ? parentVal
-            : childVal
-    };
-
-    /**
-     * Validate component names
-     */
-    function checkComponents(options) {
-        for (var key in options.components) {
-            var lower = key.toLowerCase();
-            if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
-                warn(
-                    'Do not use built-in or reserved HTML elements as component ' +
-                    'id: ' + key
-                );
-            }
-        }
-    }
-
-    /**
-     * Ensure all props option syntax are normalized into the
-     * Object-based format.
-     */
-    function normalizeProps(options, vm) {
-        var props = options.props;
-        if (!props) { return }
-        var res = {};
-        var i, val, name;
-        if (Array.isArray(props)) {
-            i = props.length;
-            while (i--) {
-                val = props[i];
-                if (typeof val === 'string') {
-                    name = camelize(val);
-                    res[name] = { type: null };
-                } else {
-                    warn('props must be strings when using array syntax.');
-                }
-            }
-        } else if (isPlainObject(props)) {
-            for (var key in props) {
-                val = props[key];
-                name = camelize(key);
-                res[name] = isPlainObject(val)
-                    ? val
-                    : { type: val };
-            }
-        } else {
-            warn(
-                "Invalid value for option \"props\": expected an Array or an Object, " +
-                "but got " + (toRawType(props)) + ".",
-                vm
-            );
-        }
-        options.props = res;
-    }
-
-    /**
-     * Normalize all injections into Object-based format
-     */
-    function normalizeInject(options, vm) {
-        var inject = options.inject;
-        var normalized = options.inject = {};
-        if (Array.isArray(inject)) {
-            for (var i = 0; i < inject.length; i++) {
-                normalized[inject[i]] = { from: inject[i] };
-            }
-        } else if (isPlainObject(inject)) {
-            for (var key in inject) {
-                var val = inject[key];
-                normalized[key] = isPlainObject(val)
-                    ? extend({ from: key }, val)
-                    : { from: val };
-            }
-        } else if ("development" !== 'production' && inject) {
-            warn(
-                "Invalid value for option \"inject\": expected an Array or an Object, " +
-                "but got " + (toRawType(inject)) + ".",
-                vm
-            );
-        }
-    }
-
-    /**
-     * Normalize raw function directives into object format.
-     */
-    function normalizeDirectives(options) {
-        var dirs = options.directives;
-        if (dirs) {
-            for (var key in dirs) {
-                var def = dirs[key];
-                if (typeof def === 'function') {
-                    dirs[key] = { bind: def, update: def };
-                }
-            }
-        }
-    }
-
-    function assertObjectType(name, value, vm) {
-        if (!isPlainObject(value)) {
-            warn(
-                "Invalid value for option \"" + name + "\": expected an Object, " +
-                "but got " + (toRawType(value)) + ".",
-                vm
-            );
-        }
-    }
-
-    /**
-     * Merge two option objects into a new one.
-     * Core utility used in both instantiation and inheritance.
-     */
-    function mergeOptions(
-        parent,
-        child,
-        vm
-    ) {
-        {
-            checkComponents(child);
-        }
-
-        if (typeof child === 'function') {
-            child = child.options;
-        }
-
-        normalizeProps(child, vm);
-        normalizeInject(child, vm);
-        normalizeDirectives(child);
-        var extendsFrom = child.extends;
-        if (extendsFrom) {
-            parent = mergeOptions(parent, extendsFrom, vm);
-        }
-        if (child.mixins) {
-            for (var i = 0, l = child.mixins.length; i < l; i++) {
-                parent = mergeOptions(parent, child.mixins[i], vm);
-            }
-        }
-        var options = {};
-        var key;
-        for (key in parent) {
-            mergeField(key);
-        }
-        for (key in child) {
-            if (!hasOwn(parent, key)) {
-                mergeField(key);
-            }
-        }
-        function mergeField(key) {
-            var strat = strats[key] || defaultStrat;
-            options[key] = strat(parent[key], child[key], vm, key);
-        }
-        return options
-    }
-
-    /**
-     * Resolve an asset.
-     * This function is used because child instances need access
-     * to assets defined in its ancestor chain.
-     */
-    function resolveAsset(
-        options,
-        type,
-        id,
-        warnMissing
-    ) {
-        /* istanbul ignore if */
-        if (typeof id !== 'string') {
-            return
-        }
-        var assets = options[type];
-        // check local registration variations first
-        if (hasOwn(assets, id)) { return assets[id] }
-        var camelizedId = camelize(id);
-        if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
-        var PascalCaseId = capitalize(camelizedId);
-        if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
-        // fallback to prototype chain
-        var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
-        if ("development" !== 'production' && warnMissing && !res) {
-            warn(
-                'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
-                options
-            );
-        }
-        return res
-    }
-
-    /*  */
-
-    function validateProp(
-        key,
-        propOptions,
-        propsData,
-        vm
-    ) {
-        var prop = propOptions[key];
-        var absent = !hasOwn(propsData, key);
-        var value = propsData[key];
-        // handle boolean props
-        if (isType(Boolean, prop.type)) {
-            if (absent && !hasOwn(prop, 'default')) {
-                value = false;
-            } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {
-                value = true;
-            }
-        }
-        // check default value
-        if (value === undefined) {
-            value = getPropDefaultValue(vm, prop, key);
-            // since the default value is a fresh copy,
-            // make sure to observe it.
-            var prevShouldConvert = observerState.shouldConvert;
-            observerState.shouldConvert = true;
-            observe(value);
-            observerState.shouldConvert = prevShouldConvert;
-        }
-        {
-            assertProp(prop, key, value, vm, absent);
-        }
-        return value
-    }
-
-    /**
-     * Get the default value of a prop.
-     */
-    function getPropDefaultValue(vm, prop, key) {
-        // no default, return undefined
-        if (!hasOwn(prop, 'default')) {
-            return undefined
-        }
-        var def = prop.default;
-        // warn against non-factory defaults for Object & Array
-        if ("development" !== 'production' && isObject(def)) {
-            warn(
-                'Invalid default value for prop "' + key + '": ' +
-                'Props with type Object/Array must use a factory function ' +
-                'to return the default value.',
-                vm
-            );
-        }
-        // the raw prop value was also undefined from previous render,
-        // return previous default value to avoid unnecessary watcher trigger
-        if (vm && vm.$options.propsData &&
-            vm.$options.propsData[key] === undefined &&
-            vm._props[key] !== undefined
-        ) {
-            return vm._props[key]
-        }
-        // call factory function for non-Function types
-        // a value is Function if its prototype is function even across different execution context
-        return typeof def === 'function' && getType(prop.type) !== 'Function'
-            ? def.call(vm)
-            : def
-    }
-
-    /**
-     * Assert whether a prop is valid.
-     */
-    function assertProp(
-        prop,
-        name,
-        value,
-        vm,
-        absent
-    ) {
-        if (prop.required && absent) {
-            warn(
-                'Missing required prop: "' + name + '"',
-                vm
-            );
-            return
-        }
-        if (value == null && !prop.required) {
-            return
-        }
-        var type = prop.type;
-        var valid = !type || type === true;
-        var expectedTypes = [];
-        if (type) {
-            if (!Array.isArray(type)) {
-                type = [type];
-            }
-            for (var i = 0; i < type.length && !valid; i++) {
-                var assertedType = assertType(value, type[i]);
-                expectedTypes.push(assertedType.expectedType || '');
-                valid = assertedType.valid;
-            }
-        }
-        if (!valid) {
-            warn(
-                "Invalid prop: type check failed for prop \"" + name + "\"." +
-                " Expected " + (expectedTypes.map(capitalize).join(', ')) +
-                ", got " + (toRawType(value)) + ".",
-                vm
-            );
-            return
-        }
-        var validator = prop.validator;
-        if (validator) {
-            if (!validator(value)) {
-                warn(
-                    'Invalid prop: custom validator check failed for prop "' + name + '".',
-                    vm
-                );
-            }
-        }
-    }
-
-    var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
-
-    function assertType(value, type) {
-        var valid;
-        var expectedType = getType(type);
-        if (simpleCheckRE.test(expectedType)) {
-            var t = typeof value;
-            valid = t === expectedType.toLowerCase();
-            // for primitive wrapper objects
-            if (!valid && t === 'object') {
-                valid = value instanceof type;
-            }
-        } else if (expectedType === 'Object') {
-            valid = isPlainObject(value);
-        } else if (expectedType === 'Array') {
-            valid = Array.isArray(value);
-        } else {
-            valid = value instanceof type;
-        }
-        return {
-            valid: valid,
-            expectedType: expectedType
-        }
-    }
-
-    /**
-     * Use function string name to check built-in types,
-     * because a simple equality check will fail when running
-     * across different vms / iframes.
-     */
-    function getType(fn) {
-        var match = fn && fn.toString().match(/^\s*function (\w+)/);
-        return match ? match[1] : ''
-    }
-
-    function isType(type, fn) {
-        if (!Array.isArray(fn)) {
-            return getType(fn) === getType(type)
-        }
-        for (var i = 0, len = fn.length; i < len; i++) {
-            if (getType(fn[i]) === getType(type)) {
-                return true
-            }
-        }
-        /* istanbul ignore next */
-        return false
-    }
-
-    /*  */
-
-    function handleError(err, vm, info) {
-        if (vm) {
-            var cur = vm;
-            while ((cur = cur.$parent)) {
-                var hooks = cur.$options.errorCaptured;
-                if (hooks) {
-                    for (var i = 0; i < hooks.length; i++) {
-                        try {
-                            var capture = hooks[i].call(cur, err, vm, info) === false;
-                            if (capture) { return }
-                        } catch (e) {
-                            globalHandleError(e, cur, 'errorCaptured hook');
-                        }
-                    }
-                }
-            }
-        }
-        globalHandleError(err, vm, info);
-    }
-
-    function globalHandleError(err, vm, info) {
-        if (config.errorHandler) {
-            try {
-                return config.errorHandler.call(null, err, vm, info)
-            } catch (e) {
-                logError(e, null, 'config.errorHandler');
-            }
-        }
-        logError(err, vm, info);
-    }
-
-    function logError(err, vm, info) {
-        {
-            warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
-        }
-        /* istanbul ignore else */
-        if ((inBrowser || inWeex) && typeof console !== 'undefined') {
-            console.error(err);
-        } else {
-            throw err
-        }
-    }
-
-    /*  */
-    /* globals MessageChannel */
-
-    var callbacks = [];
-    var pending = false;
-
-    function flushCallbacks() {
-        pending = false;
-        var copies = callbacks.slice(0);
-        callbacks.length = 0;
-        for (var i = 0; i < copies.length; i++) {
-            copies[i]();
-        }
-    }
-
-    // Here we have async deferring wrappers using both micro and macro tasks.
-    // In < 2.4 we used micro tasks everywhere, but there are some scenarios where
-    // micro tasks have too high a priority and fires in between supposedly
-    // sequential events (e.g. #4521, #6690) or even between bubbling of the same
-    // event (#6566). However, using macro tasks everywhere also has subtle problems
-    // when state is changed right before repaint (e.g. #6813, out-in transitions).
-    // Here we use micro task by default, but expose a way to force macro task when
-    // needed (e.g. in event handlers attached by v-on).
-    var microTimerFunc;
-    var macroTimerFunc;
-    var useMacroTask = false;
-
-    // Determine (macro) Task defer implementation.
-    // Technically setImmediate should be the ideal choice, but it's only available
-    // in IE. The only polyfill that consistently queues the callback after all DOM
-    // events triggered in the same loop is by using MessageChannel.
-    /* istanbul ignore if */
-    if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
-        macroTimerFunc = function () {
-            setImmediate(flushCallbacks);
-        };
-    } else if (typeof MessageChannel !== 'undefined' && (
-        isNative(MessageChannel) ||
-        // PhantomJS
-        MessageChannel.toString() === '[object MessageChannelConstructor]'
-    )) {
-        var channel = new MessageChannel();
-        var port = channel.port2;
-        channel.port1.onmessage = flushCallbacks;
-        macroTimerFunc = function () {
-            port.postMessage(1);
-        };
-    } else {
-        /* istanbul ignore next */
-        macroTimerFunc = function () {
-            setTimeout(flushCallbacks, 0);
-        };
-    }
-
-    // Determine MicroTask defer implementation.
-    /* istanbul ignore next, $flow-disable-line */
-    if (typeof Promise !== 'undefined' && isNative(Promise)) {
-        var p = Promise.resolve();
-        microTimerFunc = function () {
-            p.then(flushCallbacks);
-            // in problematic UIWebViews, Promise.then doesn't completely break, but
-            // it can get stuck in a weird state where callbacks are pushed into the
-            // microtask queue but the queue isn't being flushed, until the browser
-            // needs to do some other work, e.g. handle a timer. Therefore we can
-            // "force" the microtask queue to be flushed by adding an empty timer.
-            if (isIOS) { setTimeout(noop); }
-        };
-    } else {
-        // fallback to macro
-        microTimerFunc = macroTimerFunc;
-    }
-
-    /**
-     * Wrap a function so that if any code inside triggers state change,
-     * the changes are queued using a Task instead of a MicroTask.
-     */
-    function withMacroTask(fn) {
-        return fn._withTask || (fn._withTask = function () {
-            useMacroTask = true;
-            var res = fn.apply(null, arguments);
-            useMacroTask = false;
-            return res
-        })
-    }
-
-    function nextTick(cb, ctx) {
-        var _resolve;
-        callbacks.push(function () {
-            if (cb) {
-                try {
-                    cb.call(ctx);
-                } catch (e) {
-                    handleError(e, ctx, 'nextTick');
-                }
-            } else if (_resolve) {
-                _resolve(ctx);
-            }
-        });
-        if (!pending) {
-            pending = true;
-            if (useMacroTask) {
-                macroTimerFunc();
-            } else {
-                microTimerFunc();
-            }
-        }
-        // $flow-disable-line
-        if (!cb && typeof Promise !== 'undefined') {
-            return new Promise(function (resolve) {
-                _resolve = resolve;
-            })
-        }
-    }
-
-    /*  */
-
-    var mark;
-    var measure;
-
-    {
-        var perf = inBrowser && window.performance;
-        /* istanbul ignore if */
-        if (
-            perf &&
-            perf.mark &&
-            perf.measure &&
-            perf.clearMarks &&
-            perf.clearMeasures
-        ) {
-            mark = function (tag) { return perf.mark(tag); };
-            measure = function (name, startTag, endTag) {
-                perf.measure(name, startTag, endTag);
-                perf.clearMarks(startTag);
-                perf.clearMarks(endTag);
-                perf.clearMeasures(name);
-            };
-        }
-    }
-
-    /* not type checking this file because flow doesn't play well with Proxy */
-
-    var initProxy;
-
-    {
-        var allowedGlobals = makeMap(
-            'Infinity,undefined,NaN,isFinite,isNaN,' +
-            'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
-            'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
-            'require' // for Webpack/Browserify
-        );
-
-        var warnNonPresent = function (target, key) {
-            warn(
-                "Property or method \"" + key + "\" is not defined on the instance but " +
-                'referenced during render. Make sure that this property is reactive, ' +
-                'either in the data option, or for class-based components, by ' +
-                'initializing the property. ' +
-                'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
-                target
-            );
-        };
-
-        var hasProxy =
-            typeof Proxy !== 'undefined' &&
-            Proxy.toString().match(/native code/);
-
-        if (hasProxy) {
-            var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
-            config.keyCodes = new Proxy(config.keyCodes, {
-                set: function set(target, key, value) {
-                    if (isBuiltInModifier(key)) {
-                        warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
-                        return false
-                    } else {
-                        target[key] = value;
-                        return true
-                    }
-                }
-            });
-        }
-
-        var hasHandler = {
-            has: function has(target, key) {
-                var has = key in target;
-                var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
-                if (!has && !isAllowed) {
-                    warnNonPresent(target, key);
-                }
-                return has || !isAllowed
-            }
-        };
-
-        var getHandler = {
-            get: function get(target, key) {
-                if (typeof key === 'string' && !(key in target)) {
-                    warnNonPresent(target, key);
-                }
-                return target[key]
-            }
-        };
-
-        initProxy = function initProxy(vm) {
-            if (hasProxy) {
-                // determine which proxy handler to use
-                var options = vm.$options;
-                var handlers = options.render && options.render._withStripped
-                    ? getHandler
-                    : hasHandler;
-                vm._renderProxy = new Proxy(vm, handlers);
-            } else {
-                vm._renderProxy = vm;
-            }
-        };
-    }
-
-    /*  */
-
-    var seenObjects = new _Set();
-
-    /**
-     * Recursively traverse an object to evoke all converted
-     * getters, so that every nested property inside the object
-     * is collected as a "deep" dependency.
-     */
-    function traverse(val) {
-        _traverse(val, seenObjects);
-        seenObjects.clear();
-    }
-
-    function _traverse(val, seen) {
-        var i, keys;
-        var isA = Array.isArray(val);
-        if ((!isA && !isObject(val)) || Object.isFrozen(val)) {
-            return
-        }
-        if (val.__ob__) {
-            var depId = val.__ob__.dep.id;
-            if (seen.has(depId)) {
-                return
-            }
-            seen.add(depId);
-        }
-        if (isA) {
-            i = val.length;
-            while (i--) { _traverse(val[i], seen); }
-        } else {
-            keys = Object.keys(val);
-            i = keys.length;
-            while (i--) { _traverse(val[keys[i]], seen); }
-        }
-    }
-
-    /*  */
-
-    var normalizeEvent = cached(function (name) {
-        var passive = name.charAt(0) === '&';
-        name = passive ? name.slice(1) : name;
-        var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
-        name = once$$1 ? name.slice(1) : name;
-        var capture = name.charAt(0) === '!';
-        name = capture ? name.slice(1) : name;
-        return {
-            name: name,
-            once: once$$1,
-            capture: capture,
-            passive: passive
-        }
-    });
-
-    function createFnInvoker(fns) {
-        function invoker() {
-            var arguments$1 = arguments;
-
-            var fns = invoker.fns;
-            if (Array.isArray(fns)) {
-                var cloned = fns.slice();
-                for (var i = 0; i < cloned.length; i++) {
-                    cloned[i].apply(null, arguments$1);
-                }
-            } else {
-                // return handler return value for single handlers
-                return fns.apply(null, arguments)
-            }
-        }
-        invoker.fns = fns;
-        return invoker
-    }
-
-    function updateListeners(
-        on,
-        oldOn,
-        add,
-        remove$$1,
-        vm
-    ) {
-        var name, cur, old, event;
-        for (name in on) {
-            cur = on[name];
-            old = oldOn[name];
-            event = normalizeEvent(name);
-            if (isUndef(cur)) {
-                "development" !== 'production' && warn(
-                    "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
-                    vm
-                );
-            } else if (isUndef(old)) {
-                if (isUndef(cur.fns)) {
-                    cur = on[name] = createFnInvoker(cur);
-                }
-                add(event.name, cur, event.once, event.capture, event.passive);
-            } else if (cur !== old) {
-                old.fns = cur;
-                on[name] = old;
-            }
-        }
-        for (name in oldOn) {
-            if (isUndef(on[name])) {
-                event = normalizeEvent(name);
-                remove$$1(event.name, oldOn[name], event.capture);
-            }
-        }
-    }
-
-    /*  */
-
-    function mergeVNodeHook(def, hookKey, hook) {
-        if (def instanceof VNode) {
-            def = def.data.hook || (def.data.hook = {});
-        }
-        var invoker;
-        var oldHook = def[hookKey];
-
-        function wrappedHook() {
-            hook.apply(this, arguments);
-            // important: remove merged hook to ensure it's called only once
-            // and prevent memory leak
-            remove(invoker.fns, wrappedHook);
-        }
-
-        if (isUndef(oldHook)) {
-            // no existing hook
-            invoker = createFnInvoker([wrappedHook]);
-        } else {
-            /* istanbul ignore if */
-            if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
-                // already a merged invoker
-                invoker = oldHook;
-                invoker.fns.push(wrappedHook);
-            } else {
-                // existing plain hook
-                invoker = createFnInvoker([oldHook, wrappedHook]);
-            }
-        }
-
-        invoker.merged = true;
-        def[hookKey] = invoker;
-    }
-
-    /*  */
-
-    function extractPropsFromVNodeData(
-        data,
-        Ctor,
-        tag
-    ) {
-        // we are only extracting raw values here.
-        // validation and default values are handled in the child
-        // component itself.
-        var propOptions = Ctor.options.props;
-        if (isUndef(propOptions)) {
-            return
-        }
-        var res = {};
-        var attrs = data.attrs;
-        var props = data.props;
-        if (isDef(attrs) || isDef(props)) {
-            for (var key in propOptions) {
-                var altKey = hyphenate(key);
-                {
-                    var keyInLowerCase = key.toLowerCase();
-                    if (
-                        key !== keyInLowerCase &&
-                        attrs && hasOwn(attrs, keyInLowerCase)
-                    ) {
-                        tip(
-                            "Prop \"" + keyInLowerCase + "\" is passed to component " +
-                            (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
-                            " \"" + key + "\". " +
-                            "Note that HTML attributes are case-insensitive and camelCased " +
-                            "props need to use their kebab-case equivalents when using in-DOM " +
-                            "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
-                        );
-                    }
-                }
-                checkProp(res, props, key, altKey, true) ||
-                    checkProp(res, attrs, key, altKey, false);
-            }
-        }
-        return res
-    }
-
-    function checkProp(
-        res,
-        hash,
-        key,
-        altKey,
-        preserve
-    ) {
-        if (isDef(hash)) {
-            if (hasOwn(hash, key)) {
-                res[key] = hash[key];
-                if (!preserve) {
-                    delete hash[key];
-                }
-                return true
-            } else if (hasOwn(hash, altKey)) {
-                res[key] = hash[altKey];
-                if (!preserve) {
-                    delete hash[altKey];
-                }
-                return true
-            }
-        }
-        return false
-    }
-
-    /*  */
-
-    // The template compiler attempts to minimize the need for normalization by
-    // statically analyzing the template at compile time.
-    //
-    // For plain HTML markup, normalization can be completely skipped because the
-    // generated render function is guaranteed to return Array. There are
-    // two cases where extra normalization is needed:
-
-    // 1. When the children contains components - because a functional component
-    // may return an Array instead of a single root. In this case, just a simple
-    // normalization is needed - if any child is an Array, we flatten the whole
-    // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
-    // because functional components already normalize their own children.
-    function simpleNormalizeChildren(children) {
-        for (var i = 0; i < children.length; i++) {
-            if (Array.isArray(children[i])) {
-                return Array.prototype.concat.apply([], children)
-            }
-        }
-        return children
-    }
-
-    // 2. When the children contains constructs that always generated nested Arrays,
-    // e.g.