GT2/Ejectable/node_modules/react-native-gesture-handler/lib/commonjs/handlers/createHandler.js

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2021-08-16 00:14:59 +00:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = createHandler;
var React = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _areEqual = _interopRequireDefault(require("fbjs/lib/areEqual"));
var _RNGestureHandlerModule = _interopRequireDefault(require("../RNGestureHandlerModule"));
var _State = require("../State");
var _UIManager$getViewMan, _UIManager$getViewMan2, _UIManager$getConstan;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function findNodeHandle(node) {
if (_reactNative.Platform.OS === 'web') return node;
return (0, _reactNative.findNodeHandle)(node);
}
const {
UIManager = {}
} = _reactNative.NativeModules;
const customGHEventsConfig = {
onGestureHandlerEvent: {
registrationName: 'onGestureHandlerEvent'
},
onGestureHandlerStateChange: {
registrationName: 'onGestureHandlerStateChange'
}
}; // Add gesture specific events to genericDirectEventTypes object exported from UIManager
// native module.
// Once new event types are registered with react it is possible to dispatch these
// events to all kind of native views.
UIManager.genericDirectEventTypes = { ...UIManager.genericDirectEventTypes,
...customGHEventsConfig
}; // In newer versions of RN the `genericDirectEventTypes` is located in the object
// returned by UIManager.getViewManagerConfig('getConstants') or in older RN UIManager.getConstants(), we need to add it there as well to make
// it compatible with RN 61+
const UIManagerConstants = (_UIManager$getViewMan = (_UIManager$getViewMan2 = UIManager.getViewManagerConfig) === null || _UIManager$getViewMan2 === void 0 ? void 0 : _UIManager$getViewMan2.call(UIManager, 'getConstants')) !== null && _UIManager$getViewMan !== void 0 ? _UIManager$getViewMan : (_UIManager$getConstan = UIManager.getConstants) === null || _UIManager$getConstan === void 0 ? void 0 : _UIManager$getConstan.call(UIManager);
if (UIManagerConstants) {
UIManagerConstants.genericDirectEventTypes = { ...UIManagerConstants.genericDirectEventTypes,
...customGHEventsConfig
};
} // Wrap JS responder calls and notify gesture handler manager
const {
setJSResponder: oldSetJSResponder = () => {//no operation
},
clearJSResponder: oldClearJSResponder = () => {//no operation
}
} = UIManager;
UIManager.setJSResponder = (tag, blockNativeResponder) => {
_RNGestureHandlerModule.default.handleSetJSResponder(tag, blockNativeResponder);
oldSetJSResponder(tag, blockNativeResponder);
};
UIManager.clearJSResponder = () => {
_RNGestureHandlerModule.default.handleClearJSResponder();
oldClearJSResponder();
};
let handlerTag = 1;
const handlerIDToTag = {};
function isConfigParam(param, name) {
// param !== Object(param) returns false if `param` is a function
// or an object and returns true if `param` is null
return param !== undefined && (param !== Object(param) || !('__isNative' in param)) && name !== 'onHandlerStateChange' && name !== 'onGestureEvent';
}
function filterConfig(props, validProps, defaults = {}) {
const res = { ...defaults
};
validProps.forEach(key => {
const value = props[key];
if (isConfigParam(value, key)) {
let value = props[key];
if (key === 'simultaneousHandlers' || key === 'waitFor') {
value = transformIntoHandlerTags(props[key]);
} else if (key === 'hitSlop') {
if (typeof value !== 'object') {
value = {
top: value,
left: value,
bottom: value,
right: value
};
}
}
res[key] = value;
}
});
return res;
}
function transformIntoHandlerTags(handlerIDs) {
if (!Array.isArray(handlerIDs)) {
handlerIDs = [handlerIDs];
}
if (_reactNative.Platform.OS === 'web') {
return handlerIDs.map(({
current
}) => current).filter(handle => handle);
} // converts handler string IDs into their numeric tags
return handlerIDs.map(handlerID => {
var _handlerID$current;
return handlerIDToTag[handlerID] || ((_handlerID$current = handlerID.current) === null || _handlerID$current === void 0 ? void 0 : _handlerID$current.handlerTag) || -1;
}).filter(handlerTag => handlerTag > 0);
}
function hasUnresolvedRefs(props) {
// TODO(TS) - add type for extract arg
const extract = refs => {
if (!Array.isArray(refs)) {
return refs && refs.current === null;
}
return refs.some(r => r && r.current === null);
};
return extract(props['simultaneousHandlers']) || extract(props['waitFor']);
}
const stateToPropMappings = {
[_State.State.UNDETERMINED]: undefined,
[_State.State.BEGAN]: 'onBegan',
[_State.State.FAILED]: 'onFailed',
[_State.State.CANCELLED]: 'onCancelled',
[_State.State.ACTIVE]: 'onActivated',
[_State.State.END]: 'onEnded'
};
// TODO(TS) - make sure that BaseGestureHandlerProps doesn't need other generic parameter to work with custom properties.
function createHandler({
name,
allowedProps = [],
config = {},
transformProps,
customNativeProps = []
}) {
class Handler extends React.Component {
constructor(props) {
super(props);
_defineProperty(this, "handlerTag", void 0);
_defineProperty(this, "config", void 0);
_defineProperty(this, "propsRef", void 0);
_defineProperty(this, "viewNode", void 0);
_defineProperty(this, "viewTag", void 0);
_defineProperty(this, "updateEnqueued", null);
_defineProperty(this, "onGestureHandlerEvent", event => {
if (event.nativeEvent.handlerTag === this.handlerTag) {
var _this$props$onGesture, _this$props;
(_this$props$onGesture = (_this$props = this.props).onGestureEvent) === null || _this$props$onGesture === void 0 ? void 0 : _this$props$onGesture.call(_this$props, event);
} else {
var _this$props$onGesture2, _this$props2;
(_this$props$onGesture2 = (_this$props2 = this.props).onGestureHandlerEvent) === null || _this$props$onGesture2 === void 0 ? void 0 : _this$props$onGesture2.call(_this$props2, event);
}
});
_defineProperty(this, "onGestureHandlerStateChange", event => {
if (event.nativeEvent.handlerTag === this.handlerTag) {
var _this$props$onHandler, _this$props3;
(_this$props$onHandler = (_this$props3 = this.props).onHandlerStateChange) === null || _this$props$onHandler === void 0 ? void 0 : _this$props$onHandler.call(_this$props3, event);
const state = event.nativeEvent.state;
const stateEventName = stateToPropMappings[state];
const eventHandler = stateEventName && this.props[stateEventName];
if (eventHandler && typeof eventHandler === 'function') {
eventHandler(event);
}
} else {
var _this$props$onGesture3, _this$props4;
(_this$props$onGesture3 = (_this$props4 = this.props).onGestureHandlerStateChange) === null || _this$props$onGesture3 === void 0 ? void 0 : _this$props$onGesture3.call(_this$props4, event);
}
});
_defineProperty(this, "refHandler", node => {
this.viewNode = node;
const child = React.Children.only(this.props.children); // TODO(TS) fix ref type
const {
ref
} = child;
if (ref !== null) {
if (typeof ref === 'function') {
ref(node);
} else {
ref.current = node;
}
}
});
_defineProperty(this, "createGestureHandler", newConfig => {
this.config = newConfig;
_RNGestureHandlerModule.default.createGestureHandler(name, this.handlerTag, newConfig);
});
_defineProperty(this, "attachGestureHandler", newViewTag => {
this.viewTag = newViewTag;
if (_reactNative.Platform.OS === 'web') {
// typecast due to dynamic resolution, attachGestureHandler should have web version signature in this branch
_RNGestureHandlerModule.default.attachGestureHandler(this.handlerTag, newViewTag, this.propsRef);
} else {
_RNGestureHandlerModule.default.attachGestureHandler(this.handlerTag, newViewTag);
}
});
_defineProperty(this, "updateGestureHandler", newConfig => {
this.config = newConfig;
_RNGestureHandlerModule.default.updateGestureHandler(this.handlerTag, newConfig);
});
this.handlerTag = handlerTag++;
this.config = {};
this.propsRef = /*#__PURE__*/React.createRef();
if (props.id) {
if (handlerIDToTag[props.id] !== undefined) {
throw new Error("Handler with ID \"".concat(props.id, "\" already registered"));
}
handlerIDToTag[props.id] = this.handlerTag;
}
}
componentDidMount() {
const props = this.props;
if (hasUnresolvedRefs(props)) {
// If there are unresolved refs (e.g. ".current" has not yet been set)
// passed as `simultaneousHandlers` or `waitFor`, we enqueue a call to
// _update method that will try to update native handler props using
// setImmediate. This makes it so _update function gets called after all
// react components are mounted and we expect the missing ref object to
// be resolved by then.
this.updateEnqueued = setImmediate(() => {
this.updateEnqueued = null;
this.update();
});
}
this.createGestureHandler(filterConfig(transformProps ? transformProps(this.props) : this.props, [...allowedProps, ...customNativeProps], config));
this.attachGestureHandler(findNodeHandle(this.viewNode)); // TODO(TS) - check if this can be null
}
componentDidUpdate() {
const viewTag = findNodeHandle(this.viewNode);
if (this.viewTag !== viewTag) {
this.attachGestureHandler(viewTag); // TODO(TS) - check interaction between _viewTag & findNodeHandle
}
this.update();
}
componentWillUnmount() {
_RNGestureHandlerModule.default.dropGestureHandler(this.handlerTag);
if (this.updateEnqueued) {
clearImmediate(this.updateEnqueued);
} // We can't use this.props.id directly due to TS generic type narrowing bug, see https://github.com/microsoft/TypeScript/issues/13995 for more context
const handlerID = this.props.id;
if (handlerID) {
// eslint-disable-next-line @typescript-eslint/no-dynamic-delete
delete handlerIDToTag[handlerID];
}
}
update() {
const newConfig = filterConfig(transformProps ? transformProps(this.props) : this.props, [...allowedProps, ...customNativeProps], config);
if (!(0, _areEqual.default)(this.config, newConfig)) {
this.updateGestureHandler(newConfig);
}
}
setNativeProps(updates) {
const mergedProps = { ...this.props,
...updates
};
const newConfig = filterConfig(transformProps ? transformProps(mergedProps) : mergedProps, [...allowedProps, ...customNativeProps], config);
this.updateGestureHandler(newConfig);
}
render() {
let gestureEventHandler = this.onGestureHandlerEvent; // Another instance of https://github.com/microsoft/TypeScript/issues/13995
const {
onGestureEvent,
onGestureHandlerEvent
} = this.props;
if (onGestureEvent && typeof onGestureEvent !== 'function') {
// If it's not a method it should be an native Animated.event
// object. We set it directly as the handler for the view
// In this case nested handlers are not going to be supported
if (onGestureHandlerEvent) {
throw new Error('Nesting touch handlers with native animated driver is not supported yet');
}
gestureEventHandler = onGestureEvent;
} else {
if (onGestureHandlerEvent && typeof onGestureHandlerEvent !== 'function') {
throw new Error('Nesting touch handlers with native animated driver is not supported yet');
}
}
let gestureStateEventHandler = this.onGestureHandlerStateChange; // Another instance of https://github.com/microsoft/TypeScript/issues/13995
const {
onHandlerStateChange,
onGestureHandlerStateChange
} = this.props;
if (onHandlerStateChange && typeof onHandlerStateChange !== 'function') {
// If it's not a method it should be an native Animated.event
// object. We set it directly as the handler for the view
// In this case nested handlers are not going to be supported
if (onGestureHandlerStateChange) {
throw new Error('Nesting touch handlers with native animated driver is not supported yet');
}
gestureStateEventHandler = onHandlerStateChange;
} else {
if (onGestureHandlerStateChange && typeof onGestureHandlerStateChange !== 'function') {
throw new Error('Nesting touch handlers with native animated driver is not supported yet');
}
}
const events = {
onGestureHandlerEvent: gestureEventHandler,
onGestureHandlerStateChange: gestureStateEventHandler
};
this.propsRef.current = events;
const child = React.Children.only(this.props.children);
let grandChildren = child.props.children;
if (_reactNative.Touchable.TOUCH_TARGET_DEBUG && child.type && (child.type === 'RNGestureHandlerButton' || child.type.name === 'View' || child.type.displayName === 'View')) {
grandChildren = React.Children.toArray(grandChildren);
grandChildren.push(_reactNative.Touchable.renderDebugView({
color: 'mediumspringgreen',
hitSlop: child.props.hitSlop
}));
}
return /*#__PURE__*/React.cloneElement(child, {
ref: this.refHandler,
collapsable: false,
...events
}, grandChildren);
}
}
_defineProperty(Handler, "displayName", name);
return Handler;
}
//# sourceMappingURL=createHandler.js.map