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| /* eslint no-use-before-define:0 */
import { isEqual } from 'underscore';
import {
isDOMComponent,
findDOMNode,
childrenToArray,
} from './react-compat';
import {
REACT013,
REACT014,
} from './version';
export function propsOfNode(node) {
Iif (REACT013 && node && node._store) {
return (node._store.props) || {};
}
return (node && node.props) || {};
}
export function getNode(node) {
return isDOMComponent(node) ? findDOMNode(node) : node;
}
export function childrenEqual(a, b) {
Iif (a === b) return true;
Iif (!Array.isArray(a) && !Array.isArray(b)) {
return nodeEqual(a, b);
}
Iif (!a && !b) return true;
if (a.length !== b.length) return false;
Iif (a.length === 0 && b.length === 0) return true;
for (let i = 0; i < a.length; i++) {
if (!nodeEqual(a[i], b[i])) return false;
}
return true;
}
export function nodeEqual(a, b) {
if (a === b) return true;
Iif (!a || !b) return false;
if (a.type !== b.type) return false;
const left = propsOfNode(a);
const leftKeys = Object.keys(left);
const right = propsOfNode(b);
for (let i = 0; i < leftKeys.length; i++) {
const prop = leftKeys[i];
if (!(prop in right)) return false;
if (prop === 'children') {
if (!childrenEqual(childrenToArray(left.children), childrenToArray(right.children))) {
return false;
}
} else if (right[prop] === left[prop]) {
// continue;
} else if (typeof right[prop] === typeof left[prop] && typeof left[prop] === 'object') {
if (!isEqual(left[prop], right[prop])) return false;
} else {
return false;
}
}
if (typeof a !== 'string' && typeof a !== 'number') {
return leftKeys.length === Object.keys(right).length;
}
return false;
}
export function containsChildrenSubArray(match, node, subArray) {
const children = childrenOfNode(node);
return children.some((_, i) => arraysEqual(match, children.slice(i, subArray.length), subArray));
}
function arraysEqual(match, left, right) {
return left.length === right.length && left.every((el, i) => match(el, right[i]));
}
function childrenOfNode(node) {
const props = propsOfNode(node);
const { children } = props;
return childrenToArray(children);
}
// 'click' => 'onClick'
// 'mouseEnter' => 'onMouseEnter'
export function propFromEvent(event) {
const nativeEvent = mapNativeEventNames(event);
return `on${nativeEvent[0].toUpperCase()}${nativeEvent.substring(1)}`;
}
export function withSetStateAllowed(fn) {
// NOTE(lmr):
// this is currently here to circumvent a React bug where `setState()` is
// not allowed without global being defined.
let cleanup = false;
Iif (typeof global.document === 'undefined') {
cleanup = true;
global.document = {};
}
fn();
Iif (cleanup) {
delete global.document;
}
}
export function splitSelector(selector) {
return selector.split(/(?=\.|\[.*\])/);
}
export function isSimpleSelector(selector) {
// any of these characters pretty much guarantee it's a complex selector
return !/[~\s:>]/.test(selector);
}
export function selectorError(selector) {
return new TypeError(
`Enzyme received a complex CSS selector ('${selector}') that it does not currently support`
);
}
export const isCompoundSelector = /([a-z]\.[a-z]|[a-z]\[.*\])/i;
const isPropSelector = /^\[.*\]$/;
export const SELECTOR = {
CLASS_TYPE: 0,
ID_TYPE: 1,
PROP_TYPE: 2,
};
export function selectorType(selector) {
if (selector[0] === '.') {
return SELECTOR.CLASS_TYPE;
} else if (selector[0] === '#') {
return SELECTOR.ID_TYPE;
} else if (isPropSelector.test(selector)) {
return SELECTOR.PROP_TYPE;
}
}
export function AND(fns) {
return x => {
let i = fns.length;
while (i--) {
if (!fns[i](x)) return false;
}
return true;
};
}
export function coercePropValue(propName, propValue) {
// can be undefined
if (propValue === undefined) {
return propValue;
}
const trimmedValue = propValue.trim();
// if propValue includes quotes, it should be
// treated as a string
if (/^(['"]).*\1$/.test(trimmedValue)) {
return trimmedValue.slice(1, -1);
}
const numericPropValue = +trimmedValue;
// if parseInt is not NaN, then we've wanted a number
if (!isNaN(numericPropValue)) {
return numericPropValue;
}
// coerce to boolean
if (trimmedValue === 'true') return true;
if (trimmedValue === 'false') return false;
// user provided an unquoted string value
throw new TypeError(
`Enzyme::Unable to parse selector '[${propName}=${propValue}]'. ` +
`Perhaps you forgot to escape a string? Try '[${propName}="${trimmedValue}"]' instead.`
);
}
export function mapNativeEventNames(event) {
const nativeToReactEventMap = {
compositionend: 'compositionEnd',
compositionstart: 'compositionStart',
compositionupdate: 'compositionUpdate',
keydown: 'keyDown',
keyup: 'keyUp',
keypress: 'keyPress',
contextmenu: 'contextMenu',
doubleclick: 'doubleClick',
dragend: 'dragEnd',
dragenter: 'dragEnter',
dragexist: 'dragExit',
dragleave: 'dragLeave',
dragover: 'dragOver',
dragstart: 'dragStart',
mousedown: 'mouseDown',
mousemove: 'mouseMove',
mouseout: 'mouseOut',
mouseover: 'mouseOver',
mouseup: 'mouseUp',
touchcancel: 'touchCancel',
touchend: 'touchEnd',
touchmove: 'touchMove',
touchstart: 'touchStart',
canplay: 'canPlay',
canplaythrough: 'canPlayThrough',
durationchange: 'durationChange',
loadeddata: 'loadedData',
loadedmetadata: 'loadedMetadata',
loadstart: 'loadStart',
ratechange: 'rateChange',
timeupdate: 'timeUpdate',
volumechange: 'volumeChange',
};
Eif (REACT014) {
// these could not be simulated in React 0.13:
// https://github.com/facebook/react/issues/1297
nativeToReactEventMap.mouseenter = 'mouseEnter';
nativeToReactEventMap.mouseleave = 'mouseLeave';
}
return nativeToReactEventMap[event] || event;
}
|