/**
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* vue-meta v2.4.0
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* (c) 2020
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* - Declan de Wet
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* - Sébastien Chopin (@Atinux)
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* - Pim (@pimlie)
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* - All the amazing contributors
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* @license MIT
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = global || self, global.VueMeta = factory());
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}(this, (function () { 'use strict';
|
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var version = "2.4.0";
|
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function _typeof(obj) {
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"@babel/helpers - typeof";
|
|
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
|
_typeof = function (obj) {
|
return typeof obj;
|
};
|
} else {
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_typeof = function (obj) {
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return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
|
};
|
}
|
|
return _typeof(obj);
|
}
|
|
function _unsupportedIterableToArray(o, minLen) {
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if (!o) return;
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if (typeof o === "string") return _arrayLikeToArray(o, minLen);
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var n = Object.prototype.toString.call(o).slice(8, -1);
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if (n === "Object" && o.constructor) n = o.constructor.name;
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if (n === "Map" || n === "Set") return Array.from(o);
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if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
|
}
|
|
function _arrayLikeToArray(arr, len) {
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if (len == null || len > arr.length) len = arr.length;
|
|
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
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return arr2;
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}
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|
function _createForOfIteratorHelper(o, allowArrayLike) {
|
var it;
|
|
if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) {
|
if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
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if (it) o = it;
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var i = 0;
|
|
var F = function () {};
|
|
return {
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s: F,
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n: function () {
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if (i >= o.length) return {
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done: true
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};
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return {
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done: false,
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value: o[i++]
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};
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},
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e: function (e) {
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throw e;
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},
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f: F
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};
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}
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|
throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
|
}
|
|
var normalCompletion = true,
|
didErr = false,
|
err;
|
return {
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s: function () {
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it = o[Symbol.iterator]();
|
},
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n: function () {
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var step = it.next();
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normalCompletion = step.done;
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return step;
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},
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e: function (e) {
|
didErr = true;
|
err = e;
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},
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f: function () {
|
try {
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if (!normalCompletion && it.return != null) it.return();
|
} finally {
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if (didErr) throw err;
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}
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}
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};
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}
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/**
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* checks if passed argument is an array
|
* @param {any} arg - the object to check
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* @return {Boolean} - true if `arg` is an array
|
*/
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function isArray(arg) {
|
return Array.isArray(arg);
|
}
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function isUndefined(arg) {
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return typeof arg === 'undefined';
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}
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function isObject(arg) {
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return _typeof(arg) === 'object';
|
}
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function isPureObject(arg) {
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return _typeof(arg) === 'object' && arg !== null;
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}
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function isFunction(arg) {
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return typeof arg === 'function';
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}
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function isString(arg) {
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return typeof arg === 'string';
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}
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function hasGlobalWindowFn() {
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try {
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return !isUndefined(window);
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} catch (e) {
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return false;
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}
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}
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var hasGlobalWindow = hasGlobalWindowFn();
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var _global = hasGlobalWindow ? window : global;
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var console = _global.console || {};
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function warn(str) {
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/* istanbul ignore next */
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if (!console || !console.warn) {
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return;
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}
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console.warn(str);
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}
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var showWarningNotSupportedInBrowserBundle = function showWarningNotSupportedInBrowserBundle(method) {
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return warn("".concat(method, " is not supported in browser builds"));
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};
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var showWarningNotSupported = function showWarningNotSupported() {
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return warn('This vue app/component has no vue-meta configuration');
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};
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/**
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* These are constant variables used throughout the application.
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*/
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// set some sane defaults
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var defaultInfo = {
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title: undefined,
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titleChunk: '',
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titleTemplate: '%s',
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htmlAttrs: {},
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bodyAttrs: {},
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headAttrs: {},
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base: [],
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link: [],
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meta: [],
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style: [],
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script: [],
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noscript: [],
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__dangerouslyDisableSanitizers: [],
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__dangerouslyDisableSanitizersByTagID: {}
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};
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var rootConfigKey = '_vueMeta'; // This is the name of the component option that contains all the information that
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// gets converted to the various meta tags & attributes for the page.
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var keyName = 'metaInfo'; // This is the attribute vue-meta arguments on elements to know which it should
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// manage and which it should ignore.
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var attribute = 'data-vue-meta'; // This is the attribute that goes on the `html` tag to inform `vue-meta`
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// that the server has already generated the meta tags for the initial render.
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var ssrAttribute = 'data-vue-meta-server-rendered'; // This is the property that tells vue-meta to overwrite (instead of append)
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// an item in a tag list. For example, if you have two `meta` tag list items
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// that both have `vmid` of "description", then vue-meta will overwrite the
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// shallowest one with the deepest one.
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var tagIDKeyName = 'vmid'; // This is the key name for possible meta templates
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var metaTemplateKeyName = 'template'; // This is the key name for the content-holding property
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var contentKeyName = 'content'; // The id used for the ssr app
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var ssrAppId = 'ssr'; // How long meta update
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var debounceWait = 10; // How long meta update
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var waitOnDestroyed = true;
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var defaultOptions = {
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keyName: keyName,
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attribute: attribute,
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ssrAttribute: ssrAttribute,
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tagIDKeyName: tagIDKeyName,
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contentKeyName: contentKeyName,
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metaTemplateKeyName: metaTemplateKeyName,
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waitOnDestroyed: waitOnDestroyed,
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debounceWait: debounceWait,
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ssrAppId: ssrAppId
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}; // might be a bit ugly, but minimizes the browser bundles a bit
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var defaultInfoKeys = Object.keys(defaultInfo); // The metaInfo property keys which are used to disable escaping
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var disableOptionKeys = [defaultInfoKeys[12], defaultInfoKeys[13]]; // List of metaInfo property keys which are configuration options (and dont generate html)
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var metaInfoOptionKeys = [defaultInfoKeys[1], defaultInfoKeys[2], 'changed'].concat(disableOptionKeys); // List of metaInfo property keys which only generates attributes and no tags
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var metaInfoAttributeKeys = [defaultInfoKeys[3], defaultInfoKeys[4], defaultInfoKeys[5]]; // HTML elements which support the onload event
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var tagsSupportingOnload = ['link', 'style', 'script']; // HTML elements which dont have a head tag (shortened to our needs)
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var tagProperties = ['once', 'skip', 'template']; // Attributes which should be added with data- prefix
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var commonDataAttributes = ['body', 'pbody']; // from: https://github.com/kangax/html-minifier/blob/gh-pages/src/htmlminifier.js#L202
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var booleanHtmlAttributes = ['allowfullscreen', 'amp', 'amp-boilerplate', 'async', 'autofocus', 'autoplay', 'checked', 'compact', 'controls', 'declare', 'default', 'defaultchecked', 'defaultmuted', 'defaultselected', 'defer', 'disabled', 'enabled', 'formnovalidate', 'hidden', 'indeterminate', 'inert', 'ismap', 'itemscope', 'loop', 'multiple', 'muted', 'nohref', 'noresize', 'noshade', 'novalidate', 'nowrap', 'open', 'pauseonexit', 'readonly', 'required', 'reversed', 'scoped', 'seamless', 'selected', 'sortable', 'truespeed', 'typemustmatch', 'visible'];
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var batchId = null;
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function triggerUpdate(_ref, rootVm, hookName) {
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var debounceWait = _ref.debounceWait;
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// if an update was triggered during initialization or when an update was triggered by the
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// metaInfo watcher, set initialized to null
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// then we keep falsy value but know we need to run a triggerUpdate after initialization
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if (!rootVm[rootConfigKey].initialized && (rootVm[rootConfigKey].initializing || hookName === 'watcher')) {
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rootVm[rootConfigKey].initialized = null;
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}
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if (rootVm[rootConfigKey].initialized && !rootVm[rootConfigKey].pausing) {
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// batch potential DOM updates to prevent extraneous re-rendering
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// eslint-disable-next-line no-void
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batchUpdate(function () {
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return void rootVm.$meta().refresh();
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}, debounceWait);
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}
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}
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/**
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* Performs a batched update.
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*
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* @param {(null|Number)} id - the ID of this update
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* @param {Function} callback - the update to perform
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* @return {Number} id - a new ID
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*/
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function batchUpdate(callback, timeout) {
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timeout = timeout === undefined ? 10 : timeout;
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if (!timeout) {
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callback();
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return;
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}
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clearTimeout(batchId);
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batchId = setTimeout(function () {
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callback();
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}, timeout);
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return batchId;
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}
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/*
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* To reduce build size, this file provides simple polyfills without
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* overly excessive type checking and without modifying
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* the global Array.prototype
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* The polyfills are automatically removed in the commonjs build
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* Also, only files in client/ & shared/ should use these functions
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* files in server/ still use normal js function
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*/
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function find(array, predicate, thisArg) {
|
if ( !Array.prototype.find) {
|
// idx needs to be a Number, for..in returns string
|
for (var idx = 0; idx < array.length; idx++) {
|
if (predicate.call(thisArg, array[idx], idx, array)) {
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return array[idx];
|
}
|
}
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return;
|
}
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return array.find(predicate, thisArg);
|
}
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function findIndex(array, predicate, thisArg) {
|
if ( !Array.prototype.findIndex) {
|
// idx needs to be a Number, for..in returns string
|
for (var idx = 0; idx < array.length; idx++) {
|
if (predicate.call(thisArg, array[idx], idx, array)) {
|
return idx;
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}
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}
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|
return -1;
|
}
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return array.findIndex(predicate, thisArg);
|
}
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function toArray(arg) {
|
if ( !Array.from) {
|
return Array.prototype.slice.call(arg);
|
}
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return Array.from(arg);
|
}
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function includes(array, value) {
|
if ( !Array.prototype.includes) {
|
for (var idx in array) {
|
if (array[idx] === value) {
|
return true;
|
}
|
}
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return false;
|
}
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return array.includes(value);
|
}
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var querySelector = function querySelector(arg, el) {
|
return (el || document).querySelectorAll(arg);
|
};
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function getTag(tags, tag) {
|
if (!tags[tag]) {
|
tags[tag] = document.getElementsByTagName(tag)[0];
|
}
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return tags[tag];
|
}
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function getElementsKey(_ref) {
|
var body = _ref.body,
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pbody = _ref.pbody;
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return body ? 'body' : pbody ? 'pbody' : 'head';
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}
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function queryElements(parentNode, _ref2, attributes) {
|
var appId = _ref2.appId,
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attribute = _ref2.attribute,
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type = _ref2.type,
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tagIDKeyName = _ref2.tagIDKeyName;
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attributes = attributes || {};
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var queries = ["".concat(type, "[").concat(attribute, "=\"").concat(appId, "\"]"), "".concat(type, "[data-").concat(tagIDKeyName, "]")].map(function (query) {
|
for (var key in attributes) {
|
var val = attributes[key];
|
var attributeValue = val && val !== true ? "=\"".concat(val, "\"") : '';
|
query += "[data-".concat(key).concat(attributeValue, "]");
|
}
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return query;
|
});
|
return toArray(querySelector(queries.join(', '), parentNode));
|
}
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function removeElementsByAppId(_ref3, appId) {
|
var attribute = _ref3.attribute;
|
toArray(querySelector("[".concat(attribute, "=\"").concat(appId, "\"]"))).map(function (el) {
|
return el.remove();
|
});
|
}
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function removeAttribute(el, attributeName) {
|
el.removeAttribute(attributeName);
|
}
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function hasMetaInfo(vm) {
|
vm = vm || this;
|
return vm && (vm[rootConfigKey] === true || isObject(vm[rootConfigKey]));
|
} // a component is in a metaInfo branch when itself has meta info or one of its (grand-)children has
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function inMetaInfoBranch(vm) {
|
vm = vm || this;
|
return vm && !isUndefined(vm[rootConfigKey]);
|
}
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function pause(rootVm, refresh) {
|
rootVm[rootConfigKey].pausing = true;
|
return function () {
|
return resume(rootVm, refresh);
|
};
|
}
|
function resume(rootVm, refresh) {
|
rootVm[rootConfigKey].pausing = false;
|
|
if (refresh || refresh === undefined) {
|
return rootVm.$meta().refresh();
|
}
|
}
|
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function addNavGuards(rootVm) {
|
var router = rootVm.$router; // return when nav guards already added or no router exists
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|
if (rootVm[rootConfigKey].navGuards || !router) {
|
/* istanbul ignore next */
|
return;
|
}
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rootVm[rootConfigKey].navGuards = true;
|
router.beforeEach(function (to, from, next) {
|
pause(rootVm);
|
next();
|
});
|
router.afterEach(function () {
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rootVm.$nextTick(function () {
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var _resume = resume(rootVm),
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metaInfo = _resume.metaInfo;
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if (metaInfo && isFunction(metaInfo.afterNavigation)) {
|
metaInfo.afterNavigation(metaInfo);
|
}
|
});
|
});
|
}
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var appId = 1;
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function createMixin(Vue, options) {
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// for which Vue lifecycle hooks should the metaInfo be refreshed
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var updateOnLifecycleHook = ['activated', 'deactivated', 'beforeMount'];
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var wasServerRendered = false; // watch for client side component updates
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return {
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beforeCreate: function beforeCreate() {
|
var _this2 = this;
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var rootKey = '$root';
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var $root = this[rootKey];
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var $options = this.$options;
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var devtoolsEnabled = Vue.config.devtools;
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Object.defineProperty(this, '_hasMetaInfo', {
|
configurable: true,
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get: function get() {
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// Show deprecation warning once when devtools enabled
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if (devtoolsEnabled && !$root[rootConfigKey].deprecationWarningShown) {
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warn('VueMeta DeprecationWarning: _hasMetaInfo has been deprecated and will be removed in a future version. Please use hasMetaInfo(vm) instead');
|
$root[rootConfigKey].deprecationWarningShown = true;
|
}
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return hasMetaInfo(this);
|
}
|
});
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if (this === $root) {
|
$root.$once('hook:beforeMount', function () {
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wasServerRendered = this.$el && this.$el.nodeType === 1 && this.$el.hasAttribute('data-server-rendered'); // In most cases when you have a SSR app it will be the first app thats gonna be
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// initiated, if we cant detect the data-server-rendered attribute from Vue but we
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// do see our own ssrAttribute then _assume_ the Vue app with appId 1 is the ssr app
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// attempted fix for #404 & #562, but we rly need to refactor how we pass appIds from
|
// ssr to the client
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if (!wasServerRendered && $root[rootConfigKey] && $root[rootConfigKey].appId === 1) {
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var htmlTag = getTag({}, 'html');
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wasServerRendered = htmlTag && htmlTag.hasAttribute(options.ssrAttribute);
|
}
|
});
|
} // Add a marker to know if it uses metaInfo
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// _vnode is used to know that it's attached to a real component
|
// useful if we use some mixin to add some meta tags (like nuxt-i18n)
|
|
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if (isUndefined($options[options.keyName]) || $options[options.keyName] === null) {
|
return;
|
}
|
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if (!$root[rootConfigKey]) {
|
$root[rootConfigKey] = {
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appId: appId
|
};
|
appId++;
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if (devtoolsEnabled && $root.$options[options.keyName]) {
|
// use nextTick so the children should be added to $root
|
this.$nextTick(function () {
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// find the first child that lists fnOptions
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var child = find($root.$children, function (c) {
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return c.$vnode && c.$vnode.fnOptions;
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});
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if (child && child.$vnode.fnOptions[options.keyName]) {
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warn("VueMeta has detected a possible global mixin which adds a ".concat(options.keyName, " property to all Vue components on the page. This could cause severe performance issues. If possible, use $meta().addApp to add meta information instead"));
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}
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});
|
}
|
} // to speed up updates we keep track of branches which have a component with vue-meta info defined
|
// if _vueMeta = true it has info, if _vueMeta = false a child has info
|
|
|
if (!this[rootConfigKey]) {
|
this[rootConfigKey] = true;
|
var parent = this.$parent;
|
|
while (parent && parent !== $root) {
|
if (isUndefined(parent[rootConfigKey])) {
|
parent[rootConfigKey] = false;
|
}
|
|
parent = parent.$parent;
|
}
|
} // coerce function-style metaInfo to a computed prop so we can observe
|
// it on creation
|
|
|
if (isFunction($options[options.keyName])) {
|
$options.computed = $options.computed || {};
|
$options.computed.$metaInfo = $options[options.keyName];
|
|
if (!this.$isServer) {
|
// if computed $metaInfo exists, watch it for updates & trigger a refresh
|
// when it changes (i.e. automatically handle async actions that affect metaInfo)
|
// credit for this suggestion goes to [Sébastien Chopin](https://github.com/Atinux)
|
this.$on('hook:created', function () {
|
this.$watch('$metaInfo', function () {
|
triggerUpdate(options, this[rootKey], 'watcher');
|
});
|
});
|
}
|
} // force an initial refresh on page load and prevent other lifecycleHooks
|
// to triggerUpdate until this initial refresh is finished
|
// this is to make sure that when a page is opened in an inactive tab which
|
// has throttled rAF/timers we still immediately set the page title
|
|
|
if (isUndefined($root[rootConfigKey].initialized)) {
|
$root[rootConfigKey].initialized = this.$isServer;
|
|
if (!$root[rootConfigKey].initialized) {
|
if (!$root[rootConfigKey].initializedSsr) {
|
$root[rootConfigKey].initializedSsr = true;
|
this.$on('hook:beforeMount', function () {
|
var $root = this[rootKey]; // if this Vue-app was server rendered, set the appId to 'ssr'
|
// only one SSR app per page is supported
|
|
if (wasServerRendered) {
|
$root[rootConfigKey].appId = options.ssrAppId;
|
}
|
});
|
} // we use the mounted hook here as on page load
|
|
|
this.$on('hook:mounted', function () {
|
var $root = this[rootKey];
|
|
if ($root[rootConfigKey].initialized) {
|
return;
|
} // used in triggerUpdate to check if a change was triggered
|
// during initialization
|
|
|
$root[rootConfigKey].initializing = true; // refresh meta in nextTick so all child components have loaded
|
|
this.$nextTick(function () {
|
var _$root$$meta$refresh = $root.$meta().refresh(),
|
tags = _$root$$meta$refresh.tags,
|
metaInfo = _$root$$meta$refresh.metaInfo; // After ssr hydration (identifier by tags === false) check
|
// if initialized was set to null in triggerUpdate. That'd mean
|
// that during initilazation changes where triggered which need
|
// to be applied OR a metaInfo watcher was triggered before the
|
// current hook was called
|
// (during initialization all changes are blocked)
|
|
|
if (tags === false && $root[rootConfigKey].initialized === null) {
|
this.$nextTick(function () {
|
return triggerUpdate(options, $root, 'init');
|
});
|
}
|
|
$root[rootConfigKey].initialized = true;
|
delete $root[rootConfigKey].initializing; // add the navigation guards if they havent been added yet
|
// they are needed for the afterNavigation callback
|
|
if (!options.refreshOnceOnNavigation && metaInfo.afterNavigation) {
|
addNavGuards($root);
|
}
|
});
|
}); // add the navigation guards if requested
|
|
if (options.refreshOnceOnNavigation) {
|
addNavGuards($root);
|
}
|
}
|
}
|
|
this.$on('hook:destroyed', function () {
|
var _this = this;
|
|
// do not trigger refresh:
|
// - when user configured to not wait for transitions on destroyed
|
// - when the component doesnt have a parent
|
// - doesnt have metaInfo defined
|
if (!this.$parent || !hasMetaInfo(this)) {
|
return;
|
}
|
|
delete this._hasMetaInfo;
|
this.$nextTick(function () {
|
if (!options.waitOnDestroyed || !_this.$el || !_this.$el.offsetParent) {
|
triggerUpdate(options, _this.$root, 'destroyed');
|
return;
|
} // Wait that element is hidden before refreshing meta tags (to support animations)
|
|
|
var interval = setInterval(function () {
|
if (_this.$el && _this.$el.offsetParent !== null) {
|
/* istanbul ignore next line */
|
return;
|
}
|
|
clearInterval(interval);
|
triggerUpdate(options, _this.$root, 'destroyed');
|
}, 50);
|
});
|
}); // do not trigger refresh on the server side
|
|
if (this.$isServer) {
|
/* istanbul ignore next */
|
return;
|
} // no need to add this hooks on server side
|
|
|
updateOnLifecycleHook.forEach(function (lifecycleHook) {
|
_this2.$on("hook:".concat(lifecycleHook), function () {
|
triggerUpdate(options, this[rootKey], lifecycleHook);
|
});
|
});
|
}
|
};
|
}
|
|
function setOptions(options) {
|
// combine options
|
options = isObject(options) ? options : {}; // The options are set like this so they can
|
// be minified by terser while keeping the
|
// user api intact
|
// terser --mangle-properties keep_quoted=strict
|
|
/* eslint-disable dot-notation */
|
|
return {
|
keyName: options['keyName'] || defaultOptions.keyName,
|
attribute: options['attribute'] || defaultOptions.attribute,
|
ssrAttribute: options['ssrAttribute'] || defaultOptions.ssrAttribute,
|
tagIDKeyName: options['tagIDKeyName'] || defaultOptions.tagIDKeyName,
|
contentKeyName: options['contentKeyName'] || defaultOptions.contentKeyName,
|
metaTemplateKeyName: options['metaTemplateKeyName'] || defaultOptions.metaTemplateKeyName,
|
debounceWait: isUndefined(options['debounceWait']) ? defaultOptions.debounceWait : options['debounceWait'],
|
waitOnDestroyed: isUndefined(options['waitOnDestroyed']) ? defaultOptions.waitOnDestroyed : options['waitOnDestroyed'],
|
ssrAppId: options['ssrAppId'] || defaultOptions.ssrAppId,
|
refreshOnceOnNavigation: !!options['refreshOnceOnNavigation']
|
};
|
/* eslint-enable dot-notation */
|
}
|
function getOptions(options) {
|
var optionsCopy = {};
|
|
for (var key in options) {
|
optionsCopy[key] = options[key];
|
}
|
|
return optionsCopy;
|
}
|
|
function ensureIsArray(arg, key) {
|
if (!key || !isObject(arg)) {
|
return isArray(arg) ? arg : [];
|
}
|
|
if (!isArray(arg[key])) {
|
arg[key] = [];
|
}
|
|
return arg;
|
}
|
|
var clientSequences = [[/&/g, "&"], [/</g, "<"], [/>/g, ">"], [/"/g, "\""], [/'/g, "'"]]; // sanitizes potentially dangerous characters
|
|
function escape(info, options, escapeOptions, escapeKeys) {
|
var tagIDKeyName = options.tagIDKeyName;
|
var _escapeOptions$doEsca = escapeOptions.doEscape,
|
doEscape = _escapeOptions$doEsca === void 0 ? function (v) {
|
return v;
|
} : _escapeOptions$doEsca;
|
var escaped = {};
|
|
for (var key in info) {
|
var value = info[key]; // no need to escape configuration options
|
|
if (includes(metaInfoOptionKeys, key)) {
|
escaped[key] = value;
|
continue;
|
} // do not use destructuring for disableOptionKeys, it increases transpiled size
|
// due to var checks while we are guaranteed the structure of the cb
|
|
|
var disableKey = disableOptionKeys[0];
|
|
if (escapeOptions[disableKey] && includes(escapeOptions[disableKey], key)) {
|
// this info[key] doesnt need to escaped if the option is listed in __dangerouslyDisableSanitizers
|
escaped[key] = value;
|
continue;
|
}
|
|
var tagId = info[tagIDKeyName];
|
|
if (tagId) {
|
disableKey = disableOptionKeys[1]; // keys which are listed in __dangerouslyDisableSanitizersByTagID for the current vmid do not need to be escaped
|
|
if (escapeOptions[disableKey] && escapeOptions[disableKey][tagId] && includes(escapeOptions[disableKey][tagId], key)) {
|
escaped[key] = value;
|
continue;
|
}
|
}
|
|
if (isString(value)) {
|
escaped[key] = doEscape(value);
|
} else if (isArray(value)) {
|
escaped[key] = value.map(function (v) {
|
if (isPureObject(v)) {
|
return escape(v, options, escapeOptions, true);
|
}
|
|
return doEscape(v);
|
});
|
} else if (isPureObject(value)) {
|
escaped[key] = escape(value, options, escapeOptions, true);
|
} else {
|
escaped[key] = value;
|
}
|
|
if (escapeKeys) {
|
var escapedKey = doEscape(key);
|
|
if (key !== escapedKey) {
|
escaped[escapedKey] = escaped[key];
|
delete escaped[key];
|
}
|
}
|
}
|
|
return escaped;
|
}
|
function escapeMetaInfo(options, info, escapeSequences) {
|
escapeSequences = escapeSequences || []; // do not use destructuring for seq, it increases transpiled size
|
// due to var checks while we are guaranteed the structure of the cb
|
|
var escapeOptions = {
|
doEscape: function doEscape(value) {
|
return escapeSequences.reduce(function (val, seq) {
|
return val.replace(seq[0], seq[1]);
|
}, value);
|
}
|
};
|
disableOptionKeys.forEach(function (disableKey, index) {
|
if (index === 0) {
|
ensureIsArray(info, disableKey);
|
} else if (index === 1) {
|
for (var key in info[disableKey]) {
|
ensureIsArray(info[disableKey], key);
|
}
|
}
|
|
escapeOptions[disableKey] = info[disableKey];
|
}); // begin sanitization
|
|
return escape(info, options, escapeOptions);
|
}
|
|
var isMergeableObject = function isMergeableObject(value) {
|
return isNonNullObject(value) && !isSpecial(value);
|
};
|
|
function isNonNullObject(value) {
|
return !!value && _typeof(value) === 'object';
|
}
|
|
function isSpecial(value) {
|
var stringValue = Object.prototype.toString.call(value);
|
return stringValue === '[object RegExp]' || stringValue === '[object Date]' || false;
|
} // see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25
|
|
function cloneUnlessOtherwiseSpecified(value, options) {
|
return value;
|
}
|
|
function getMergeFunction(key, options) {
|
{
|
return deepmerge;
|
}
|
}
|
|
function getKeys(target) {
|
return Object.keys(target);
|
}
|
|
function propertyIsOnObject(object, property) {
|
try {
|
return property in object;
|
} catch (_) {
|
return false;
|
}
|
} // Protects from prototype poisoning and unexpected merging up the prototype chain.
|
|
|
function propertyIsUnsafe(target, key) {
|
return propertyIsOnObject(target, key) // Properties are safe to merge if they don't exist in the target yet,
|
&& !(Object.hasOwnProperty.call(target, key) // unsafe if they exist up the prototype chain,
|
&& Object.propertyIsEnumerable.call(target, key)); // and also unsafe if they're nonenumerable.
|
}
|
|
function mergeObject(target, source, options) {
|
var destination = {};
|
|
if (options.isMergeableObject(target)) {
|
getKeys(target).forEach(function (key) {
|
destination[key] = cloneUnlessOtherwiseSpecified(target[key]);
|
});
|
}
|
|
getKeys(source).forEach(function (key) {
|
if (propertyIsUnsafe(target, key)) {
|
return;
|
}
|
|
if (propertyIsOnObject(target, key) && options.isMergeableObject(source[key])) {
|
destination[key] = getMergeFunction()(target[key], source[key], options);
|
} else {
|
destination[key] = cloneUnlessOtherwiseSpecified(source[key]);
|
}
|
});
|
return destination;
|
}
|
|
function deepmerge(target, source, options) {
|
options = options || {};
|
options.arrayMerge = options.arrayMerge;
|
options.isMergeableObject = options.isMergeableObject || isMergeableObject; // cloneUnlessOtherwiseSpecified is added to `options` so that custom arrayMerge()
|
// implementations can use it. The caller may not replace it.
|
|
options.cloneUnlessOtherwiseSpecified = cloneUnlessOtherwiseSpecified;
|
var sourceIsArray = Array.isArray(source);
|
var targetIsArray = Array.isArray(target);
|
var sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;
|
|
if (!sourceAndTargetTypesMatch) {
|
return cloneUnlessOtherwiseSpecified(source);
|
} else if (sourceIsArray) {
|
return options.arrayMerge(target, source, options);
|
} else {
|
return mergeObject(target, source, options);
|
}
|
}
|
var deepmerge_1 = deepmerge;
|
var cjs = deepmerge_1;
|
|
function applyTemplate(_ref, headObject, template, chunk) {
|
var component = _ref.component,
|
metaTemplateKeyName = _ref.metaTemplateKeyName,
|
contentKeyName = _ref.contentKeyName;
|
|
if (template === true || headObject[metaTemplateKeyName] === true) {
|
// abort, template was already applied
|
return false;
|
}
|
|
if (isUndefined(template) && headObject[metaTemplateKeyName]) {
|
template = headObject[metaTemplateKeyName];
|
headObject[metaTemplateKeyName] = true;
|
} // return early if no template defined
|
|
|
if (!template) {
|
// cleanup faulty template properties
|
delete headObject[metaTemplateKeyName];
|
return false;
|
}
|
|
if (isUndefined(chunk)) {
|
chunk = headObject[contentKeyName];
|
}
|
|
headObject[contentKeyName] = isFunction(template) ? template.call(component, chunk) : template.replace(/%s/g, chunk);
|
return true;
|
}
|
|
function _arrayMerge(_ref, target, source) {
|
var component = _ref.component,
|
tagIDKeyName = _ref.tagIDKeyName,
|
metaTemplateKeyName = _ref.metaTemplateKeyName,
|
contentKeyName = _ref.contentKeyName;
|
// we concat the arrays without merging objects contained in,
|
// but we check for a `vmid` property on each object in the array
|
// using an O(1) lookup associative array exploit
|
var destination = [];
|
|
if (!target.length && !source.length) {
|
return destination;
|
}
|
|
target.forEach(function (targetItem, targetIndex) {
|
// no tagID so no need to check for duplicity
|
if (!targetItem[tagIDKeyName]) {
|
destination.push(targetItem);
|
return;
|
}
|
|
var sourceIndex = findIndex(source, function (item) {
|
return item[tagIDKeyName] === targetItem[tagIDKeyName];
|
});
|
var sourceItem = source[sourceIndex]; // source doesnt contain any duplicate vmid's, we can keep targetItem
|
|
if (sourceIndex === -1) {
|
destination.push(targetItem);
|
return;
|
} // when sourceItem explictly defines contentKeyName or innerHTML as undefined, its
|
// an indication that we need to skip the default behaviour or child has preference over parent
|
// which means we keep the targetItem and ignore/remove the sourceItem
|
|
|
if (contentKeyName in sourceItem && sourceItem[contentKeyName] === undefined || 'innerHTML' in sourceItem && sourceItem.innerHTML === undefined) {
|
destination.push(targetItem); // remove current index from source array so its not concatenated to destination below
|
|
source.splice(sourceIndex, 1);
|
return;
|
} // we now know that targetItem is a duplicate and we should ignore it in favor of sourceItem
|
// if source specifies null as content then ignore both the target as the source
|
|
|
if (sourceItem[contentKeyName] === null || sourceItem.innerHTML === null) {
|
// remove current index from source array so its not concatenated to destination below
|
source.splice(sourceIndex, 1);
|
return;
|
} // now we only need to check if the target has a template to combine it with the source
|
|
|
var targetTemplate = targetItem[metaTemplateKeyName];
|
|
if (!targetTemplate) {
|
return;
|
}
|
|
var sourceTemplate = sourceItem[metaTemplateKeyName];
|
|
if (!sourceTemplate) {
|
// use parent template and child content
|
applyTemplate({
|
component: component,
|
metaTemplateKeyName: metaTemplateKeyName,
|
contentKeyName: contentKeyName
|
}, sourceItem, targetTemplate); // set template to true to indicate template was already applied
|
|
sourceItem.template = true;
|
return;
|
}
|
|
if (!sourceItem[contentKeyName]) {
|
// use parent content and child template
|
applyTemplate({
|
component: component,
|
metaTemplateKeyName: metaTemplateKeyName,
|
contentKeyName: contentKeyName
|
}, sourceItem, undefined, targetItem[contentKeyName]);
|
}
|
});
|
return destination.concat(source);
|
}
|
var warningShown = false;
|
function merge(target, source, options) {
|
options = options || {}; // remove properties explicitly set to false so child components can
|
// optionally _not_ overwrite the parents content
|
// (for array properties this is checked in arrayMerge)
|
|
if (source.title === undefined) {
|
delete source.title;
|
}
|
|
metaInfoAttributeKeys.forEach(function (attrKey) {
|
if (!source[attrKey]) {
|
return;
|
}
|
|
for (var key in source[attrKey]) {
|
if (key in source[attrKey] && source[attrKey][key] === undefined) {
|
if (includes(booleanHtmlAttributes, key) && !warningShown) {
|
warn('VueMeta: Please note that since v2 the value undefined is not used to indicate boolean attributes anymore, see migration guide for details');
|
warningShown = true;
|
}
|
|
delete source[attrKey][key];
|
}
|
}
|
});
|
return cjs(target, source, {
|
arrayMerge: function arrayMerge(t, s) {
|
return _arrayMerge(options, t, s);
|
}
|
});
|
}
|
|
function getComponentMetaInfo(options, component) {
|
return getComponentOption(options || {}, component, defaultInfo);
|
}
|
/**
|
* Returns the `opts.option` $option value of the given `opts.component`.
|
* If methods are encountered, they will be bound to the component context.
|
* If `opts.deep` is true, will recursively merge all child component
|
* `opts.option` $option values into the returned result.
|
*
|
* @param {Object} opts - options
|
* @param {Object} opts.component - Vue component to fetch option data from
|
* @param {Boolean} opts.deep - look for data in child components as well?
|
* @param {Function} opts.arrayMerge - how should arrays be merged?
|
* @param {String} opts.keyName - the name of the option to look for
|
* @param {Object} [result={}] - result so far
|
* @return {Object} result - final aggregated result
|
*/
|
|
function getComponentOption(options, component, result) {
|
result = result || {};
|
|
if (component._inactive) {
|
return result;
|
}
|
|
options = options || {};
|
var _options = options,
|
keyName = _options.keyName;
|
var $metaInfo = component.$metaInfo,
|
$options = component.$options,
|
$children = component.$children; // only collect option data if it exists
|
|
if ($options[keyName]) {
|
// if $metaInfo exists then [keyName] was defined as a function
|
// and set to the computed prop $metaInfo in the mixin
|
// using the computed prop should be a small performance increase
|
// because Vue caches those internally
|
var data = $metaInfo || $options[keyName]; // only merge data with result when its an object
|
// eg it could be a function when metaInfo() returns undefined
|
// dueo to the or statement above
|
|
if (isObject(data)) {
|
result = merge(result, data, options);
|
}
|
} // collect & aggregate child options if deep = true
|
|
|
if ($children.length) {
|
$children.forEach(function (childComponent) {
|
// check if the childComponent is in a branch
|
// return otherwise so we dont walk all component branches unnecessarily
|
if (!inMetaInfoBranch(childComponent)) {
|
return;
|
}
|
|
result = getComponentOption(options, childComponent, result);
|
});
|
}
|
|
return result;
|
}
|
|
var callbacks = [];
|
function isDOMComplete(d) {
|
return (d || document).readyState === 'complete';
|
}
|
function addCallback(query, callback) {
|
if (arguments.length === 1) {
|
callback = query;
|
query = '';
|
}
|
|
callbacks.push([query, callback]);
|
}
|
function addCallbacks(_ref, type, tags, autoAddListeners) {
|
var tagIDKeyName = _ref.tagIDKeyName;
|
var hasAsyncCallback = false;
|
tags.forEach(function (tag) {
|
if (!tag[tagIDKeyName] || !tag.callback) {
|
return;
|
}
|
|
hasAsyncCallback = true;
|
addCallback("".concat(type, "[data-").concat(tagIDKeyName, "=\"").concat(tag[tagIDKeyName], "\"]"), tag.callback);
|
});
|
|
if (!autoAddListeners || !hasAsyncCallback) {
|
return hasAsyncCallback;
|
}
|
|
return addListeners();
|
}
|
function addListeners() {
|
if (isDOMComplete()) {
|
applyCallbacks();
|
return;
|
} // Instead of using a MutationObserver, we just apply
|
|
/* istanbul ignore next */
|
|
|
document.onreadystatechange = function () {
|
applyCallbacks();
|
};
|
}
|
function applyCallbacks(matchElement) {
|
callbacks.forEach(function (args) {
|
// do not use destructuring for args, it increases transpiled size
|
// due to var checks while we are guaranteed the structure of the cb
|
var query = args[0];
|
var callback = args[1];
|
var selector = "".concat(query, "[onload=\"this.__vm_l=1\"]");
|
var elements = [];
|
|
if (!matchElement) {
|
elements = toArray(querySelector(selector));
|
}
|
|
if (matchElement && matchElement.matches(selector)) {
|
elements = [matchElement];
|
}
|
|
elements.forEach(function (element) {
|
/* __vm_cb: whether the load callback has been called
|
* __vm_l: set by onload attribute, whether the element was loaded
|
* __vm_ev: whether the event listener was added or not
|
*/
|
if (element.__vm_cb) {
|
return;
|
}
|
|
var onload = function onload() {
|
/* Mark that the callback for this element has already been called,
|
* this prevents the callback to run twice in some (rare) conditions
|
*/
|
element.__vm_cb = true;
|
/* onload needs to be removed because we only need the
|
* attribute after ssr and if we dont remove it the node
|
* will fail isEqualNode on the client
|
*/
|
|
removeAttribute(element, 'onload');
|
callback(element);
|
};
|
/* IE9 doesnt seem to load scripts synchronously,
|
* causing a script sometimes/often already to be loaded
|
* when we add the event listener below (thus adding an onload event
|
* listener has no use because it will never be triggered).
|
* Therefore we add the onload attribute during ssr, and
|
* check here if it was already loaded or not
|
*/
|
|
|
if (element.__vm_l) {
|
onload();
|
return;
|
}
|
|
if (!element.__vm_ev) {
|
element.__vm_ev = true;
|
element.addEventListener('load', onload);
|
}
|
});
|
});
|
}
|
|
// instead of adding it to the html
|
|
var attributeMap = {};
|
/**
|
* Updates the document's html tag attributes
|
*
|
* @param {Object} attrs - the new document html attributes
|
* @param {HTMLElement} tag - the HTMLElement tag to update with new attrs
|
*/
|
|
function updateAttribute(appId, options, type, attrs, tag) {
|
var _ref = options || {},
|
attribute = _ref.attribute;
|
|
var vueMetaAttrString = tag.getAttribute(attribute);
|
|
if (vueMetaAttrString) {
|
attributeMap[type] = JSON.parse(decodeURI(vueMetaAttrString));
|
removeAttribute(tag, attribute);
|
}
|
|
var data = attributeMap[type] || {};
|
var toUpdate = []; // remove attributes from the map
|
// which have been removed for this appId
|
|
for (var attr in data) {
|
if (data[attr] !== undefined && appId in data[attr]) {
|
toUpdate.push(attr);
|
|
if (!attrs[attr]) {
|
delete data[attr][appId];
|
}
|
}
|
}
|
|
for (var _attr in attrs) {
|
var attrData = data[_attr];
|
|
if (!attrData || attrData[appId] !== attrs[_attr]) {
|
toUpdate.push(_attr);
|
|
if (attrs[_attr] !== undefined) {
|
data[_attr] = data[_attr] || {};
|
data[_attr][appId] = attrs[_attr];
|
}
|
}
|
}
|
|
for (var _i = 0, _toUpdate = toUpdate; _i < _toUpdate.length; _i++) {
|
var _attr2 = _toUpdate[_i];
|
var _attrData = data[_attr2];
|
var attrValues = [];
|
|
for (var _appId in _attrData) {
|
Array.prototype.push.apply(attrValues, [].concat(_attrData[_appId]));
|
}
|
|
if (attrValues.length) {
|
var attrValue = includes(booleanHtmlAttributes, _attr2) && attrValues.some(Boolean) ? '' : attrValues.filter(function (v) {
|
return v !== undefined;
|
}).join(' ');
|
tag.setAttribute(_attr2, attrValue);
|
} else {
|
removeAttribute(tag, _attr2);
|
}
|
}
|
|
attributeMap[type] = data;
|
}
|
|
/**
|
* Updates the document title
|
*
|
* @param {String} title - the new title of the document
|
*/
|
function updateTitle(title) {
|
if (!title && title !== '') {
|
return;
|
}
|
|
document.title = title;
|
}
|
|
/**
|
* Updates meta tags inside <head> and <body> on the client. Borrowed from `react-helmet`:
|
* https://github.com/nfl/react-helmet/blob/004d448f8de5f823d10f838b02317521180f34da/src/Helmet.js#L195-L245
|
*
|
* @param {('meta'|'base'|'link'|'style'|'script'|'noscript')} type - the name of the tag
|
* @param {(Array<Object>|Object)} tags - an array of tag objects or a single object in case of base
|
* @return {Object} - a representation of what tags changed
|
*/
|
|
function updateTag(appId, options, type, tags, head, body) {
|
var _ref = options || {},
|
attribute = _ref.attribute,
|
tagIDKeyName = _ref.tagIDKeyName;
|
|
var dataAttributes = commonDataAttributes.slice();
|
dataAttributes.push(tagIDKeyName);
|
var newElements = [];
|
var queryOptions = {
|
appId: appId,
|
attribute: attribute,
|
type: type,
|
tagIDKeyName: tagIDKeyName
|
};
|
var currentElements = {
|
head: queryElements(head, queryOptions),
|
pbody: queryElements(body, queryOptions, {
|
pbody: true
|
}),
|
body: queryElements(body, queryOptions, {
|
body: true
|
})
|
};
|
|
if (tags.length > 1) {
|
// remove duplicates that could have been found by merging tags
|
// which include a mixin with metaInfo and that mixin is used
|
// by multiple components on the same page
|
var found = [];
|
tags = tags.filter(function (x) {
|
var k = JSON.stringify(x);
|
var res = !includes(found, k);
|
found.push(k);
|
return res;
|
});
|
}
|
|
tags.forEach(function (tag) {
|
if (tag.skip) {
|
return;
|
}
|
|
var newElement = document.createElement(type);
|
|
if (!tag.once) {
|
newElement.setAttribute(attribute, appId);
|
}
|
|
Object.keys(tag).forEach(function (attr) {
|
/* istanbul ignore next */
|
if (includes(tagProperties, attr)) {
|
return;
|
}
|
|
if (attr === 'innerHTML') {
|
newElement.innerHTML = tag.innerHTML;
|
return;
|
}
|
|
if (attr === 'json') {
|
newElement.innerHTML = JSON.stringify(tag.json);
|
return;
|
}
|
|
if (attr === 'cssText') {
|
if (newElement.styleSheet) {
|
/* istanbul ignore next */
|
newElement.styleSheet.cssText = tag.cssText;
|
} else {
|
newElement.appendChild(document.createTextNode(tag.cssText));
|
}
|
|
return;
|
}
|
|
if (attr === 'callback') {
|
newElement.onload = function () {
|
return tag[attr](newElement);
|
};
|
|
return;
|
}
|
|
var _attr = includes(dataAttributes, attr) ? "data-".concat(attr) : attr;
|
|
var isBooleanAttribute = includes(booleanHtmlAttributes, attr);
|
|
if (isBooleanAttribute && !tag[attr]) {
|
return;
|
}
|
|
var value = isBooleanAttribute ? '' : tag[attr];
|
newElement.setAttribute(_attr, value);
|
});
|
var oldElements = currentElements[getElementsKey(tag)]; // Remove a duplicate tag from domTagstoRemove, so it isn't cleared.
|
|
var indexToDelete;
|
var hasEqualElement = oldElements.some(function (existingTag, index) {
|
indexToDelete = index;
|
return newElement.isEqualNode(existingTag);
|
});
|
|
if (hasEqualElement && (indexToDelete || indexToDelete === 0)) {
|
oldElements.splice(indexToDelete, 1);
|
} else {
|
newElements.push(newElement);
|
}
|
});
|
var oldElements = [];
|
|
for (var _type in currentElements) {
|
Array.prototype.push.apply(oldElements, currentElements[_type]);
|
} // remove old elements
|
|
|
oldElements.forEach(function (element) {
|
element.parentNode.removeChild(element);
|
}); // insert new elements
|
|
newElements.forEach(function (element) {
|
if (element.hasAttribute('data-body')) {
|
body.appendChild(element);
|
return;
|
}
|
|
if (element.hasAttribute('data-pbody')) {
|
body.insertBefore(element, body.firstChild);
|
return;
|
}
|
|
head.appendChild(element);
|
});
|
return {
|
oldTags: oldElements,
|
newTags: newElements
|
};
|
}
|
|
/**
|
* Performs client-side updates when new meta info is received
|
*
|
* @param {Object} newInfo - the meta info to update to
|
*/
|
|
function updateClientMetaInfo(appId, options, newInfo) {
|
options = options || {};
|
var _options = options,
|
ssrAttribute = _options.ssrAttribute,
|
ssrAppId = _options.ssrAppId; // only cache tags for current update
|
|
var tags = {};
|
var htmlTag = getTag(tags, 'html'); // if this is a server render, then dont update
|
|
if (appId === ssrAppId && htmlTag.hasAttribute(ssrAttribute)) {
|
// remove the server render attribute so we can update on (next) changes
|
removeAttribute(htmlTag, ssrAttribute); // add load callbacks if the
|
|
var addLoadListeners = false;
|
tagsSupportingOnload.forEach(function (type) {
|
if (newInfo[type] && addCallbacks(options, type, newInfo[type])) {
|
addLoadListeners = true;
|
}
|
});
|
|
if (addLoadListeners) {
|
addListeners();
|
}
|
|
return false;
|
} // initialize tracked changes
|
|
|
var tagsAdded = {};
|
var tagsRemoved = {};
|
|
for (var type in newInfo) {
|
// ignore these
|
if (includes(metaInfoOptionKeys, type)) {
|
continue;
|
}
|
|
if (type === 'title') {
|
// update the title
|
updateTitle(newInfo.title);
|
continue;
|
}
|
|
if (includes(metaInfoAttributeKeys, type)) {
|
var tagName = type.substr(0, 4);
|
updateAttribute(appId, options, type, newInfo[type], getTag(tags, tagName));
|
continue;
|
} // tags should always be an array, ignore if it isnt
|
|
|
if (!isArray(newInfo[type])) {
|
continue;
|
}
|
|
var _updateTag = updateTag(appId, options, type, newInfo[type], getTag(tags, 'head'), getTag(tags, 'body')),
|
oldTags = _updateTag.oldTags,
|
newTags = _updateTag.newTags;
|
|
if (newTags.length) {
|
tagsAdded[type] = newTags;
|
tagsRemoved[type] = oldTags;
|
}
|
}
|
|
return {
|
tagsAdded: tagsAdded,
|
tagsRemoved: tagsRemoved
|
};
|
}
|
|
var appsMetaInfo;
|
function addApp(rootVm, appId, options) {
|
return {
|
set: function set(metaInfo) {
|
return setMetaInfo(rootVm, appId, options, metaInfo);
|
},
|
remove: function remove() {
|
return removeMetaInfo(rootVm, appId, options);
|
}
|
};
|
}
|
function setMetaInfo(rootVm, appId, options, metaInfo) {
|
// if a vm exists _and_ its mounted then immediately update
|
if (rootVm && rootVm.$el) {
|
return updateClientMetaInfo(appId, options, metaInfo);
|
} // store for later, the info
|
// will be set on the first refresh
|
|
|
appsMetaInfo = appsMetaInfo || {};
|
appsMetaInfo[appId] = metaInfo;
|
}
|
function removeMetaInfo(rootVm, appId, options) {
|
if (rootVm && rootVm.$el) {
|
var tags = {};
|
|
var _iterator = _createForOfIteratorHelper(metaInfoAttributeKeys),
|
_step;
|
|
try {
|
for (_iterator.s(); !(_step = _iterator.n()).done;) {
|
var type = _step.value;
|
var tagName = type.substr(0, 4);
|
updateAttribute(appId, options, type, {}, getTag(tags, tagName));
|
}
|
} catch (err) {
|
_iterator.e(err);
|
} finally {
|
_iterator.f();
|
}
|
|
return removeElementsByAppId(options, appId);
|
}
|
|
if (appsMetaInfo[appId]) {
|
delete appsMetaInfo[appId];
|
clearAppsMetaInfo();
|
}
|
}
|
function getAppsMetaInfo() {
|
return appsMetaInfo;
|
}
|
function clearAppsMetaInfo(force) {
|
if (force || !Object.keys(appsMetaInfo).length) {
|
appsMetaInfo = undefined;
|
}
|
}
|
|
/**
|
* Returns the correct meta info for the given component
|
* (child components will overwrite parent meta info)
|
*
|
* @param {Object} component - the Vue instance to get meta info from
|
* @return {Object} - returned meta info
|
*/
|
|
function getMetaInfo(options, info, escapeSequences, component) {
|
options = options || {};
|
escapeSequences = escapeSequences || [];
|
var _options = options,
|
tagIDKeyName = _options.tagIDKeyName; // Remove all "template" tags from meta
|
// backup the title chunk in case user wants access to it
|
|
if (info.title) {
|
info.titleChunk = info.title;
|
} // replace title with populated template
|
|
|
if (info.titleTemplate && info.titleTemplate !== '%s') {
|
applyTemplate({
|
component: component,
|
contentKeyName: 'title'
|
}, info, info.titleTemplate, info.titleChunk || '');
|
} // convert base tag to an array so it can be handled the same way
|
// as the other tags
|
|
|
if (info.base) {
|
info.base = Object.keys(info.base).length ? [info.base] : [];
|
}
|
|
if (info.meta) {
|
// remove meta items with duplicate vmid's
|
info.meta = info.meta.filter(function (metaItem, index, arr) {
|
var hasVmid = !!metaItem[tagIDKeyName];
|
|
if (!hasVmid) {
|
return true;
|
}
|
|
var isFirstItemForVmid = index === findIndex(arr, function (item) {
|
return item[tagIDKeyName] === metaItem[tagIDKeyName];
|
});
|
return isFirstItemForVmid;
|
}); // apply templates if needed
|
|
info.meta.forEach(function (metaObject) {
|
return applyTemplate(options, metaObject);
|
});
|
}
|
|
return escapeMetaInfo(options, info, escapeSequences);
|
}
|
|
/**
|
* When called, will update the current meta info with new meta info.
|
* Useful when updating meta info as the result of an asynchronous
|
* action that resolves after the initial render takes place.
|
*
|
* Credit to [Sébastien Chopin](https://github.com/Atinux) for the suggestion
|
* to implement this method.
|
*
|
* @return {Object} - new meta info
|
*/
|
|
function refresh(rootVm, options) {
|
options = options || {}; // make sure vue-meta was initiated
|
|
if (!rootVm[rootConfigKey]) {
|
showWarningNotSupported();
|
return {};
|
} // collect & aggregate all metaInfo $options
|
|
|
var rawInfo = getComponentMetaInfo(options, rootVm);
|
var metaInfo = getMetaInfo(options, rawInfo, clientSequences, rootVm);
|
var appId = rootVm[rootConfigKey].appId;
|
var tags = updateClientMetaInfo(appId, options, metaInfo); // emit "event" with new info
|
|
if (tags && isFunction(metaInfo.changed)) {
|
metaInfo.changed(metaInfo, tags.tagsAdded, tags.tagsRemoved);
|
tags = {
|
addedTags: tags.tagsAdded,
|
removedTags: tags.tagsRemoved
|
};
|
}
|
|
var appsMetaInfo = getAppsMetaInfo();
|
|
if (appsMetaInfo) {
|
for (var additionalAppId in appsMetaInfo) {
|
updateClientMetaInfo(additionalAppId, options, appsMetaInfo[additionalAppId]);
|
delete appsMetaInfo[additionalAppId];
|
}
|
|
clearAppsMetaInfo(true);
|
}
|
|
return {
|
vm: rootVm,
|
metaInfo: metaInfo,
|
// eslint-disable-line object-shorthand
|
tags: tags
|
};
|
}
|
|
function $meta(options) {
|
options = options || {};
|
/**
|
* Returns an injector for server-side rendering.
|
* @this {Object} - the Vue instance (a root component)
|
* @return {Object} - injector
|
*/
|
|
var $root = this.$root;
|
return {
|
getOptions: function getOptions$1() {
|
return getOptions(options);
|
},
|
setOptions: function setOptions(newOptions) {
|
var refreshNavKey = 'refreshOnceOnNavigation';
|
|
if (newOptions && newOptions[refreshNavKey]) {
|
options.refreshOnceOnNavigation = !!newOptions[refreshNavKey];
|
addNavGuards($root);
|
}
|
|
var debounceWaitKey = 'debounceWait';
|
|
if (newOptions && debounceWaitKey in newOptions) {
|
var debounceWait = parseInt(newOptions[debounceWaitKey]);
|
|
if (!isNaN(debounceWait)) {
|
options.debounceWait = debounceWait;
|
}
|
}
|
|
var waitOnDestroyedKey = 'waitOnDestroyed';
|
|
if (newOptions && waitOnDestroyedKey in newOptions) {
|
options.waitOnDestroyed = !!newOptions[waitOnDestroyedKey];
|
}
|
},
|
refresh: function refresh$1() {
|
return refresh($root, options);
|
},
|
inject: function inject(injectOptions) {
|
return showWarningNotSupportedInBrowserBundle('inject');
|
},
|
pause: function pause$1() {
|
return pause($root);
|
},
|
resume: function resume$1() {
|
return resume($root);
|
},
|
addApp: function addApp$1(appId) {
|
return addApp($root, appId, options);
|
}
|
};
|
}
|
|
/**
|
* Plugin install function.
|
* @param {Function} Vue - the Vue constructor.
|
*/
|
|
function install(Vue, options) {
|
if (Vue.__vuemeta_installed) {
|
return;
|
}
|
|
Vue.__vuemeta_installed = true;
|
options = setOptions(options);
|
|
Vue.prototype.$meta = function () {
|
return $meta.call(this, options);
|
};
|
|
Vue.mixin(createMixin(Vue, options));
|
}
|
|
{
|
// automatic install
|
if (!isUndefined(window) && !isUndefined(window.Vue)) {
|
/* istanbul ignore next */
|
install(window.Vue);
|
}
|
}
|
|
var index = {
|
version: version,
|
install: install,
|
generate: function generate(metaInfo, options) {
|
return showWarningNotSupportedInBrowserBundle('generate');
|
},
|
hasMetaInfo: hasMetaInfo
|
};
|
|
return index;
|
|
})));
|
