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createHandler from './createHandler';\nimport {\n BaseGestureHandlerProps,\n baseGestureHandlerProps,\n} from './gestureHandlerCommon';\n\nexport const panGestureHandlerProps = [\n 'activeOffsetY',\n 'activeOffsetX',\n 'failOffsetY',\n 'failOffsetX',\n 'minDist',\n 'minVelocity',\n 'minVelocityX',\n 'minVelocityY',\n 'minPointers',\n 'maxPointers',\n 'avgTouches',\n 'enableTrackpadTwoFingerGesture',\n 'activateAfterLongPress',\n] as const;\n\nexport const panGestureHandlerCustomNativeProps = [\n 'activeOffsetYStart',\n 'activeOffsetYEnd',\n 'activeOffsetXStart',\n 'activeOffsetXEnd',\n 'failOffsetYStart',\n 'failOffsetYEnd',\n 'failOffsetXStart',\n 'failOffsetXEnd',\n] as const;\n\nexport type PanGestureHandlerEventPayload = {\n /**\n * X coordinate of the current position of the pointer (finger or a leading\n * pointer when there are multiple fingers placed) relative to the view\n * attached to the handler. Expressed in point units.\n */\n x: number;\n\n /**\n * Y coordinate of the current position of the pointer (finger or a leading\n * pointer when there are multiple fingers placed) relative to the view\n * attached to the handler. Expressed in point units.\n */\n y: number;\n\n /**\n * X coordinate of the current position of the pointer (finger or a leading\n * pointer when there are multiple fingers placed) relative to the window.\n * The value is expressed in point units. It is recommended to use it instead\n * of `x` in cases when the original view can be transformed as an effect of\n * the gesture.\n */\n absoluteX: number;\n\n /**\n * Y coordinate of the current position of the pointer (finger or a leading\n * pointer when there are multiple fingers placed) relative to the window.\n * The value is expressed in point units. It is recommended to use it instead\n * of `y` in cases when the original view can be transformed as an\n * effect of the gesture.\n */\n absoluteY: number;\n\n /**\n * Translation of the pan gesture along X axis accumulated over the time of\n * the gesture. The value is expressed in the point units.\n */\n translationX: number;\n\n /**\n * Translation of the pan gesture along Y axis accumulated over the time of\n * the gesture. The value is expressed in the point units.\n */\n translationY: number;\n\n /**\n * Velocity of the pan gesture along the X axis in the current moment. The\n * value is expressed in point units per second.\n */\n velocityX: number;\n\n /**\n * Velocity of the pan gesture along the Y axis in the current moment. The\n * value is expressed in point units per second.\n */\n velocityY: number;\n};\n\ninterface CommonPanProperties {\n /**\n * Minimum distance the finger (or multiple finger) need to travel before the\n * handler activates. Expressed in points.\n */\n minDist?: number;\n\n /**\n * Android only.\n */\n avgTouches?: boolean;\n\n /**\n * Enables two-finger gestures on supported devices, for example iPads with\n * trackpads. If not enabled the gesture will require click + drag, with\n * enableTrackpadTwoFingerGesture swiping with two fingers will also trigger\n * the gesture.\n */\n enableTrackpadTwoFingerGesture?: boolean;\n\n /**\n * A number of fingers that is required to be placed before handler can\n * activate. Should be a higher or equal to 0 integer.\n */\n minPointers?: number;\n\n /**\n * When the given number of fingers is placed on the screen and handler hasn't\n * yet activated it will fail recognizing the gesture. Should be a higher or\n * equal to 0 integer.\n */\n maxPointers?: number;\n\n minVelocity?: number;\n minVelocityX?: number;\n minVelocityY?: number;\n activateAfterLongPress?: number;\n}\n\nexport interface PanGestureConfig extends CommonPanProperties {\n activeOffsetYStart?: number;\n activeOffsetYEnd?: number;\n activeOffsetXStart?: number;\n activeOffsetXEnd?: number;\n failOffsetYStart?: number;\n failOffsetYEnd?: number;\n failOffsetXStart?: number;\n failOffsetXEnd?: number;\n}\n\nexport interface PanGestureHandlerProps\n extends BaseGestureHandlerProps,\n CommonPanProperties {\n /**\n * Range along X axis (in points) where fingers travels without activation of\n * handler. Moving outside of this range implies activation of handler. Range\n * can be given as an array or a single number. If range is set as an array,\n * first value must be lower or equal to 0, a the second one higher or equal\n * to 0. If only one number `p` is given a range of `(-inf, p)` will be used\n * if `p` is higher or equal to 0 and `(-p, inf)` otherwise.\n */\n activeOffsetY?: number | number[];\n\n /**\n * Range along X axis (in points) where fingers travels without activation of\n * handler. Moving outside of this range implies activation of handler. Range\n * can be given as an array or a single number. If range is set as an array,\n * first value must be lower or equal to 0, a the second one higher or equal\n * to 0. If only one number `p` is given a range of `(-inf, p)` will be used\n * if `p` is higher or equal to 0 and `(-p, inf)` otherwise.\n */\n activeOffsetX?: number | number[];\n\n /**\n * When the finger moves outside this range (in points) along Y axis and\n * handler hasn't yet activated it will fail recognizing the gesture. Range\n * can be given as an array or a single number. If range is set as an array,\n * first value must be lower or equal to 0, a the second one higher or equal\n * to 0. If only one number `p` is given a range of `(-inf, p)` will be used\n * if `p` is higher or equal to 0 and `(-p, inf)` otherwise.\n */\n failOffsetY?: number | number[];\n\n /**\n * When the finger moves outside this range (in points) along X axis and\n * handler hasn't yet activated it will fail recognizing the gesture. Range\n * can be given as an array or a single number. If range is set as an array,\n * first value must be lower or equal to 0, a the second one higher or equal\n * to 0. If only one number `p` is given a range of `(-inf, p)` will be used\n * if `p` is higher or equal to 0 and `(-p, inf)` otherwise.\n */\n failOffsetX?: number | number[];\n}\n\nexport const panHandlerName = 'PanGestureHandler';\n\nexport type PanGestureHandler = typeof PanGestureHandler;\n// eslint-disable-next-line @typescript-eslint/no-redeclare -- backward compatibility; see description on the top of gestureHandlerCommon.ts file\nexport const PanGestureHandler = createHandler<\n PanGestureHandlerProps,\n PanGestureHandlerEventPayload\n>({\n name: panHandlerName,\n allowedProps: [\n ...baseGestureHandlerProps,\n ...panGestureHandlerProps,\n ] as const,\n config: {},\n transformProps: managePanProps,\n customNativeProps: panGestureHandlerCustomNativeProps,\n});\n\nfunction validatePanGestureHandlerProps(props: PanGestureHandlerProps) {\n if (\n Array.isArray(props.activeOffsetX) &&\n (props.activeOffsetX[0] > 0 || props.activeOffsetX[1] < 0)\n ) {\n throw new Error(\n `First element of activeOffsetX should be negative, a the second one should be positive`\n );\n }\n\n if (\n Array.isArray(props.activeOffsetY) &&\n (props.activeOffsetY[0] > 0 || props.activeOffsetY[1] < 0)\n ) {\n throw new Error(\n `First element of activeOffsetY should be negative, a the second one should be positive`\n );\n }\n\n if (\n Array.isArray(props.failOffsetX) &&\n (props.failOffsetX[0] > 0 || props.failOffsetX[1] < 0)\n ) {\n throw new Error(\n `First element of failOffsetX should be negative, a the second one should be positive`\n );\n }\n\n if (\n Array.isArray(props.failOffsetY) &&\n (props.failOffsetY[0] > 0 || props.failOffsetY[1] < 0)\n ) {\n throw new Error(\n `First element of failOffsetY should be negative, a the second one should be positive`\n );\n }\n\n if (props.minDist && (props.failOffsetX || props.failOffsetY)) {\n throw new Error(\n `It is not supported to use minDist with failOffsetX or failOffsetY, use activeOffsetX and activeOffsetY instead`\n );\n }\n\n if (props.minDist && (props.activeOffsetX || props.activeOffsetY)) {\n throw new Error(\n `It is not supported to use minDist with activeOffsetX or activeOffsetY`\n );\n }\n}\n\nfunction transformPanGestureHandlerProps(props: PanGestureHandlerProps) {\n type InternalPanGHKeys =\n | 'activeOffsetXStart'\n | 'activeOffsetXEnd'\n | 'failOffsetXStart'\n | 'failOffsetXEnd'\n | 'activeOffsetYStart'\n | 'activeOffsetYEnd'\n | 'failOffsetYStart'\n | 'failOffsetYEnd';\n type PanGestureHandlerInternalProps = PanGestureHandlerProps &\n Partial>;\n\n const res: PanGestureHandlerInternalProps = { ...props };\n\n if (props.activeOffsetX !== undefined) {\n delete res.activeOffsetX;\n if (Array.isArray(props.activeOffsetX)) {\n res.activeOffsetXStart = props.activeOffsetX[0];\n res.activeOffsetXEnd = props.activeOffsetX[1];\n } else if (props.activeOffsetX < 0) {\n res.activeOffsetXStart = props.activeOffsetX;\n } else {\n res.activeOffsetXEnd = props.activeOffsetX;\n }\n }\n\n if (props.activeOffsetY !== undefined) {\n delete res.activeOffsetY;\n if (Array.isArray(props.activeOffsetY)) {\n res.activeOffsetYStart = props.activeOffsetY[0];\n res.activeOffsetYEnd = props.activeOffsetY[1];\n } else if (props.activeOffsetY < 0) {\n res.activeOffsetYStart = props.activeOffsetY;\n } else {\n res.activeOffsetYEnd = props.activeOffsetY;\n }\n }\n\n if (props.failOffsetX !== undefined) {\n delete res.failOffsetX;\n if (Array.isArray(props.failOffsetX)) {\n res.failOffsetXStart = props.failOffsetX[0];\n res.failOffsetXEnd = props.failOffsetX[1];\n } else if (props.failOffsetX < 0) {\n res.failOffsetXStart = props.failOffsetX;\n } else {\n res.failOffsetXEnd = props.failOffsetX;\n }\n }\n\n if (props.failOffsetY !== undefined) {\n delete res.failOffsetY;\n if (Array.isArray(props.failOffsetY)) {\n res.failOffsetYStart = props.failOffsetY[0];\n res.failOffsetYEnd = props.failOffsetY[1];\n } else if (props.failOffsetY < 0) {\n res.failOffsetYStart = props.failOffsetY;\n } else {\n res.failOffsetYEnd = props.failOffsetY;\n }\n }\n\n return res;\n}\n\nexport function managePanProps(props: PanGestureHandlerProps) {\n if (__DEV__) {\n validatePanGestureHandlerProps(props);\n }\n return transformPanGestureHandlerProps(props);\n}\n"]}