vue-iframes
Version:
Vue component for creating dynamic async iframes
325 lines (306 loc) • 12.2 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('uuid'), require('lodash.debounce')) :
typeof define === 'function' && define.amd ? define(['uuid', 'lodash.debounce'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global["vue-iframes"] = factory(global.uuid, global.debounce));
})(this, (function (uuid, debounce) { 'use strict';
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var debounce__default = /*#__PURE__*/_interopDefaultLegacy(debounce);
//
var script = {
name: 'VueIframe',
props: {
src: {
type: String,
required: true
},
crossorigin: {
type: String,
default: 'anonymous'
},
target: {
type: String,
default: '_parent'
},
className: {
type: String,
required: false
},
allow: {
type: String,
default: 'camera *; geolocation *; microphone *; autoplay *'
},
name: {
type: String,
default: 'vue-iframes'
},
frameId: {
type: String,
default: 'vue-iframes'
},
scrolling: String,
width: [String, Number],
height: [String, Number]
},
data () {
return {
iframeEl: {},
iframeLoadedMessage: `IFRAME_LOADED_${uuid.v4()}`,
iframeOnReadyStateChangeMessage: `IFRAME_ON_READ_STATE_CHANGE_${uuid.v4()}`
};
},
methods: {
removeIframe () {
while (this.$el.firstChild) {
this.$el.removeChild(this.$el.firstChild);
}
},
setIframeUrl () {
if(!this.iframeEl.contentWindow) {
this.initIframe();
}
this.$nextTick(() => {
const iframeDoc = this.iframeEl.contentWindow.document;
iframeDoc.open()
.write(`
<body onload="window.location.href='${this.src}'; parent.postMessage('${this.iframeLoadedMessage}', '*')"></body>
<script>
window.document.onreadystatechange = function () {
if (window.document.readyState === 'complete') {
parent.postMessage('${this.iframeOnReadyStateChangeMessage}', '*')
}
};
<\/script>
`);
iframeDoc.close(); //iframe onload event happens
});
},
reinitIframe: debounce__default["default"](function () {
this.removeIframe();
this.initIframe();
}, 200),
initIframe () {
this.iframeEl = document.createElement('iframe');
this.iframeEl.setAttribute('style', 'visibility: hidden; position: absolute; top: -99999px; border: none;');
this.iframeEl.setAttribute('id', this.frameId);
this.iframeEl.setAttribute('frameborder', 0);
this.iframeEl.setAttribute('id', this.frameId);
if (this.src) this.iframeEl.setAttribute('iframe-src', this.src);
if (this.className) this.iframeEl.setAttribute('class', this.className);
if (this.crossorigin) this.iframeEl.setAttribute('crossorigin', this.crossorigin);
if (this.target) this.iframeEl.setAttribute('target', this.target);
if (this.allow) this.iframeEl.setAttribute('allow', this.allow);
if (this.name) this.iframeEl.setAttribute('name', this.name);
if (this.scrolling) this.iframeEl.setAttribute('scrolling', this.scrolling);
if (this.width) this.iframeEl.setAttribute('width', this.width);
if (this.height) this.iframeEl.setAttribute('height', this.height);
this.$el.appendChild(this.iframeEl);
this.setIframeUrl();
},
listenForEvents () {
// Create IE + others compatible event handler
const eventMethod = window.addEventListener ? 'addEventListener' : 'attachEvent';
const events = window[eventMethod];
const messageEvent = eventMethod === 'attachEvent' ? 'onmessage' : 'message';
// Listen to message from child window
events(messageEvent, event => {
if (event.data === this.iframeLoadedMessage) {
this.$emit('iframe-load', event.data);
this.iframeEl.setAttribute('style', 'visibility: visible; border: none;');
}
if (event.data === this.iframeOnReadyStateChangeMessage) {
this.$emit('load', this.iframeEl);
}
}, false);
}
},
created () {
this.listenForEvents();
this.initIframe();
},
watch: {
src: {
immediate: true,
handler() {
this.reinitIframe();
}
}
},
};
function normalizeComponent(template, style, script, scopeId, isFunctionalTemplate, moduleIdentifier /* server only */, shadowMode, createInjector, createInjectorSSR, createInjectorShadow) {
if (typeof shadowMode !== 'boolean') {
createInjectorSSR = createInjector;
createInjector = shadowMode;
shadowMode = false;
}
// Vue.extend constructor export interop.
const options = typeof script === 'function' ? script.options : script;
// render functions
if (template && template.render) {
options.render = template.render;
options.staticRenderFns = template.staticRenderFns;
options._compiled = true;
// functional template
if (isFunctionalTemplate) {
options.functional = true;
}
}
// scopedId
if (scopeId) {
options._scopeId = scopeId;
}
let hook;
if (moduleIdentifier) {
// server build
hook = function (context) {
// 2.3 injection
context =
context || // cached call
(this.$vnode && this.$vnode.ssrContext) || // stateful
(this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext); // functional
// 2.2 with runInNewContext: true
if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
context = __VUE_SSR_CONTEXT__;
}
// inject component styles
if (style) {
style.call(this, createInjectorSSR(context));
}
// register component module identifier for async chunk inference
if (context && context._registeredComponents) {
context._registeredComponents.add(moduleIdentifier);
}
};
// used by ssr in case component is cached and beforeCreate
// never gets called
options._ssrRegister = hook;
}
else if (style) {
hook = shadowMode
? function (context) {
style.call(this, createInjectorShadow(context, this.$root.$options.shadowRoot));
}
: function (context) {
style.call(this, createInjector(context));
};
}
if (hook) {
if (options.functional) {
// register for functional component in vue file
const originalRender = options.render;
options.render = function renderWithStyleInjection(h, context) {
hook.call(context);
return originalRender(h, context);
};
}
else {
// inject component registration as beforeCreate hook
const existing = options.beforeCreate;
options.beforeCreate = existing ? [].concat(existing, hook) : [hook];
}
}
return script;
}
const isOldIE = typeof navigator !== 'undefined' &&
/msie [6-9]\\b/.test(navigator.userAgent.toLowerCase());
function createInjector(context) {
return (id, style) => addStyle(id, style);
}
let HEAD;
const styles = {};
function addStyle(id, css) {
const group = isOldIE ? css.media || 'default' : id;
const style = styles[group] || (styles[group] = { ids: new Set(), styles: [] });
if (!style.ids.has(id)) {
style.ids.add(id);
let code = css.source;
if (css.map) {
// https://developer.chrome.com/devtools/docs/javascript-debugging
// this makes source maps inside style tags work properly in Chrome
code += '\n/*# sourceURL=' + css.map.sources[0] + ' */';
// http://stackoverflow.com/a/26603875
code +=
'\n/*# sourceMappingURL=data:application/json;base64,' +
btoa(unescape(encodeURIComponent(JSON.stringify(css.map)))) +
' */';
}
if (!style.element) {
style.element = document.createElement('style');
style.element.type = 'text/css';
if (css.media)
style.element.setAttribute('media', css.media);
if (HEAD === undefined) {
HEAD = document.head || document.getElementsByTagName('head')[0];
}
HEAD.appendChild(style.element);
}
if ('styleSheet' in style.element) {
style.styles.push(code);
style.element.styleSheet.cssText = style.styles
.filter(Boolean)
.join('\n');
}
else {
const index = style.ids.size - 1;
const textNode = document.createTextNode(code);
const nodes = style.element.childNodes;
if (nodes[index])
style.element.removeChild(nodes[index]);
if (nodes.length)
style.element.insertBefore(textNode, nodes[index]);
else
style.element.appendChild(textNode);
}
}
}
/* script */
const __vue_script__ = script;
/* template */
var __vue_render__ = function() {
var _vm = this;
var _h = _vm.$createElement;
var _c = _vm._self._c || _h;
return _c("div", { staticClass: "vue-iframe" })
};
var __vue_staticRenderFns__ = [];
__vue_render__._withStripped = true;
/* style */
const __vue_inject_styles__ = function (inject) {
if (!inject) return
inject("data-v-5e8f010a_0", { source: ".vue-iframe {\n height: 100%;\n width: 100%;\n}\n.vue-iframe iframe {\n height: 100%;\n width: 100%;\n}\n", map: {"version":3,"sources":["vue-iframe.vue"],"names":[],"mappings":"AAAA;EACE,YAAY;EACZ,WAAW;AACb;AACA;EACE,YAAY;EACZ,WAAW;AACb","file":"vue-iframe.vue","sourcesContent":[".vue-iframe {\n height: 100%;\n width: 100%;\n}\n.vue-iframe iframe {\n height: 100%;\n width: 100%;\n}\n"]}, media: undefined });
};
/* scoped */
const __vue_scope_id__ = undefined;
/* module identifier */
const __vue_module_identifier__ = undefined;
/* functional template */
const __vue_is_functional_template__ = false;
/* style inject SSR */
/* style inject shadow dom */
const __vue_component__ = /*#__PURE__*/normalizeComponent(
{ render: __vue_render__, staticRenderFns: __vue_staticRenderFns__ },
__vue_inject_styles__,
__vue_script__,
__vue_scope_id__,
__vue_is_functional_template__,
__vue_module_identifier__,
false,
createInjector,
undefined,
undefined
);
// expose component and service to global scope
if (typeof window !== 'undefined' && window.Vue) {
window.Vue.use({
install(Vue) {
Vue.component('vue-iframe', __vue_component__);
}
});
}
var index = {
install(Vue) {
Vue.component('vue-iframe', __vue_component__);
},
VueIframe: __vue_component__
};
return index;
}));