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2 years ago
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.createEvent = createEvent;
exports.fireEvent = fireEvent;
var _config = require("./config");
var _helpers = require("./helpers");
var _eventMap = require("./event-map");
function fireEvent(element, event) {
return (0, _config.getConfig)().eventWrapper(() => {
if (!event) {
throw new Error(`Unable to fire an event - please provide an event object.`);
}
if (!element) {
throw new Error(`Unable to fire a "${event.type}" event - please provide a DOM element.`);
}
return element.dispatchEvent(event);
});
}
function createEvent(eventName, node, init, {
EventType = 'Event',
defaultInit = {}
} = {}) {
if (!node) {
throw new Error(`Unable to fire a "${eventName}" event - please provide a DOM element.`);
}
const eventInit = { ...defaultInit,
...init
};
const {
target: {
value,
files,
...targetProperties
} = {}
} = eventInit;
if (value !== undefined) {
setNativeValue(node, value);
}
if (files !== undefined) {
// input.files is a read-only property so this is not allowed:
// input.files = [file]
// so we have to use this workaround to set the property
Object.defineProperty(node, 'files', {
configurable: true,
enumerable: true,
writable: true,
value: files
});
}
Object.assign(node, targetProperties);
const window = (0, _helpers.getWindowFromNode)(node);
const EventConstructor = window[EventType] || window.Event;
let event;
/* istanbul ignore else */
if (typeof EventConstructor === 'function') {
event = new EventConstructor(eventName, eventInit);
} else {
// IE11 polyfill from https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent/CustomEvent#Polyfill
event = window.document.createEvent(EventType);
const {
bubbles,
cancelable,
detail,
...otherInit
} = eventInit;
event.initEvent(eventName, bubbles, cancelable, detail);
Object.keys(otherInit).forEach(eventKey => {
event[eventKey] = otherInit[eventKey];
});
} // DataTransfer is not supported in jsdom: https://github.com/jsdom/jsdom/issues/1568
const dataTransferProperties = ['dataTransfer', 'clipboardData'];
dataTransferProperties.forEach(dataTransferKey => {
const dataTransferValue = eventInit[dataTransferKey];
if (typeof dataTransferValue === 'object') {
/* istanbul ignore if */
if (typeof window.DataTransfer === 'function') {
Object.defineProperty(event, dataTransferKey, {
value: Object.getOwnPropertyNames(dataTransferValue).reduce((acc, propName) => {
Object.defineProperty(acc, propName, {
value: dataTransferValue[propName]
});
return acc;
}, new window.DataTransfer())
});
} else {
Object.defineProperty(event, dataTransferKey, {
value: dataTransferValue
});
}
}
});
return event;
}
Object.keys(_eventMap.eventMap).forEach(key => {
const {
EventType,
defaultInit
} = _eventMap.eventMap[key];
const eventName = key.toLowerCase();
createEvent[key] = (node, init) => createEvent(eventName, node, init, {
EventType,
defaultInit
});
fireEvent[key] = (node, init) => fireEvent(node, createEvent[key](node, init));
}); // function written after some investigation here:
// https://github.com/facebook/react/issues/10135#issuecomment-401496776
function setNativeValue(element, value) {
const {
set: valueSetter
} = Object.getOwnPropertyDescriptor(element, 'value') || {};
const prototype = Object.getPrototypeOf(element);
const {
set: prototypeValueSetter
} = Object.getOwnPropertyDescriptor(prototype, 'value') || {};
if (prototypeValueSetter && valueSetter !== prototypeValueSetter) {
prototypeValueSetter.call(element, value);
} else {
/* istanbul ignore if */
// eslint-disable-next-line no-lonely-if -- Can't be ignored by istanbul otherwise
if (valueSetter) {
valueSetter.call(element, value);
} else {
throw new Error('The given element does not have a value setter');
}
}
}
Object.keys(_eventMap.eventAliasMap).forEach(aliasKey => {
const key = _eventMap.eventAliasMap[aliasKey];
fireEvent[aliasKey] = (...args) => fireEvent[key](...args);
});
/* eslint complexity:["error", 9] */