{"code":"var DEFAULT_OVERSHOOT_STRENGTH = 1.525;\r\nexport var reversed = function (easing) { return function (p) { return 1 - easing(1 - p); }; };\r\nexport var mirrored = function (easing) { return function (p) {\r\n    return p <= 0.5 ? easing(2 * p) / 2 : (2 - easing(2 * (1 - p))) / 2;\r\n}; };\r\nexport var createReversedEasing = reversed;\r\nexport var createMirroredEasing = mirrored;\r\nexport var createExpoIn = function (power) { return function (p) { return Math.pow(p, power); }; };\r\nexport var createBackIn = function (power) { return function (p) {\r\n    return p * p * ((power + 1) * p - power);\r\n}; };\r\nexport var createAnticipateEasing = function (power) {\r\n    var backEasing = createBackIn(power);\r\n    return function (p) {\r\n        return (p *= 2) < 1 ? 0.5 * backEasing(p) : 0.5 * (2 - Math.pow(2, -10 * (p - 1)));\r\n    };\r\n};\r\nexport var linear = function (p) { return p; };\r\nexport var easeIn = createExpoIn(2);\r\nexport var easeOut = reversed(easeIn);\r\nexport var easeInOut = mirrored(easeIn);\r\nexport var circIn = function (p) { return 1 - Math.sin(Math.acos(p)); };\r\nexport var circOut = reversed(circIn);\r\nexport var circInOut = mirrored(circOut);\r\nexport var backIn = createBackIn(DEFAULT_OVERSHOOT_STRENGTH);\r\nexport var backOut = reversed(backIn);\r\nexport var backInOut = mirrored(backIn);\r\nexport var anticipate = createAnticipateEasing(DEFAULT_OVERSHOOT_STRENGTH);\r\nvar BOUNCE_FIRST_THRESHOLD = 4.0 / 11.0;\r\nvar BOUNCE_SECOND_THRESHOLD = 8.0 / 11.0;\r\nvar BOUNCE_THIRD_THRESHOLD = 9.0 / 10.0;\r\nvar ca = 4356.0 / 361.0;\r\nvar cb = 35442.0 / 1805.0;\r\nvar cc = 16061.0 / 1805.0;\r\nexport var bounceOut = function (p) {\r\n    var p2 = p * p;\r\n    return p < BOUNCE_FIRST_THRESHOLD\r\n        ? 7.5625 * p2\r\n        : p < BOUNCE_SECOND_THRESHOLD\r\n            ? 9.075 * p2 - 9.9 * p + 3.4\r\n            : p < BOUNCE_THIRD_THRESHOLD\r\n                ? ca * p2 - cb * p + cc\r\n                : 10.8 * p * p - 20.52 * p + 10.72;\r\n};\r\nexport var bounceIn = function (p) { return 1.0 - bounceOut(1.0 - p); };\r\nexport var bounceInOut = function (p) {\r\n    return p < 0.5\r\n        ? 0.5 * (1.0 - bounceOut(1.0 - p * 2.0))\r\n        : 0.5 * bounceOut(p * 2.0 - 1.0) + 0.5;\r\n};\r\nvar NEWTON_ITERATIONS = 8;\r\nvar NEWTON_MIN_SLOPE = 0.001;\r\nvar SUBDIVISION_PRECISION = 0.0000001;\r\nvar SUBDIVISION_MAX_ITERATIONS = 10;\r\nvar K_SPLINE_TABLE_SIZE = 11;\r\nvar K_SAMPLE_STEP_SIZE = 1.0 / (K_SPLINE_TABLE_SIZE - 1.0);\r\nvar FLOAT_32_SUPPORTED = typeof Float32Array !== 'undefined';\r\nvar a = function (a1, a2) { return 1.0 - 3.0 * a2 + 3.0 * a1; };\r\nvar b = function (a1, a2) { return 3.0 * a2 - 6.0 * a1; };\r\nvar c = function (a1) { return 3.0 * a1; };\r\nvar getSlope = function (t, a1, a2) {\r\n    return 3.0 * a(a1, a2) * t * t + 2.0 * b(a1, a2) * t + c(a1);\r\n};\r\nvar calcBezier = function (t, a1, a2) {\r\n    return ((a(a1, a2) * t + b(a1, a2)) * t + c(a1)) * t;\r\n};\r\nexport function cubicBezier(mX1, mY1, mX2, mY2) {\r\n    var sampleValues = FLOAT_32_SUPPORTED\r\n        ? new Float32Array(K_SPLINE_TABLE_SIZE)\r\n        : new Array(K_SPLINE_TABLE_SIZE);\r\n    var binarySubdivide = function (aX, aA, aB) {\r\n        var i = 0;\r\n        var currentX;\r\n        var currentT;\r\n        do {\r\n            currentT = aA + (aB - aA) / 2.0;\r\n            currentX = calcBezier(currentT, mX1, mX2) - aX;\r\n            if (currentX > 0.0) {\r\n                aB = currentT;\r\n            }\r\n            else {\r\n                aA = currentT;\r\n            }\r\n        } while (Math.abs(currentX) > SUBDIVISION_PRECISION &&\r\n            ++i < SUBDIVISION_MAX_ITERATIONS);\r\n        return currentT;\r\n    };\r\n    var newtonRaphsonIterate = function (aX, aGuessT) {\r\n        var i = 0;\r\n        var currentSlope = 0;\r\n        var currentX;\r\n        for (; i < NEWTON_ITERATIONS; ++i) {\r\n            currentSlope = getSlope(aGuessT, mX1, mX2);\r\n            if (currentSlope === 0.0) {\r\n                return aGuessT;\r\n            }\r\n            currentX = calcBezier(aGuessT, mX1, mX2) - aX;\r\n            aGuessT -= currentX / currentSlope;\r\n        }\r\n        return aGuessT;\r\n    };\r\n    var calcSampleValues = function () {\r\n        for (var i = 0; i < K_SPLINE_TABLE_SIZE; ++i) {\r\n            sampleValues[i] = calcBezier(i * K_SAMPLE_STEP_SIZE, mX1, mX2);\r\n        }\r\n    };\r\n    var getTForX = function (aX) {\r\n        var intervalStart = 0.0;\r\n        var currentSample = 1;\r\n        var lastSample = K_SPLINE_TABLE_SIZE - 1;\r\n        var dist = 0.0;\r\n        var guessForT = 0.0;\r\n        var initialSlope = 0.0;\r\n        for (; currentSample !== lastSample && sampleValues[currentSample] <= aX; ++currentSample) {\r\n            intervalStart += K_SAMPLE_STEP_SIZE;\r\n        }\r\n        --currentSample;\r\n        dist =\r\n            (aX - sampleValues[currentSample]) /\r\n                (sampleValues[currentSample + 1] - sampleValues[currentSample]);\r\n        guessForT = intervalStart + dist * K_SAMPLE_STEP_SIZE;\r\n        initialSlope = getSlope(guessForT, mX1, mX2);\r\n        if (initialSlope >= NEWTON_MIN_SLOPE) {\r\n            return newtonRaphsonIterate(aX, guessForT);\r\n        }\r\n        else if (initialSlope === 0.0) {\r\n            return guessForT;\r\n        }\r\n        else {\r\n            return binarySubdivide(aX, intervalStart, intervalStart + K_SAMPLE_STEP_SIZE);\r\n        }\r\n    };\r\n    calcSampleValues();\r\n    var resolver = function (aX) {\r\n        var returnValue;\r\n        if (mX1 === mY1 && mX2 === mY2) {\r\n            returnValue = aX;\r\n        }\r\n        else if (aX === 0) {\r\n            returnValue = 0;\r\n        }\r\n        else if (aX === 1) {\r\n            returnValue = 1;\r\n        }\r\n        else {\r\n            returnValue = calcBezier(getTForX(aX), mY1, 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declare type Easing = (v: number) => number;\r\nexport declare type EasingModifier = (easing: Easing) => Easing;\r\nexport declare const reversed: EasingModifier;\r\nexport declare const mirrored: EasingModifier;\r\nexport declare const createReversedEasing: EasingModifier;\r\nexport declare const createMirroredEasing: EasingModifier;\r\nexport declare const createExpoIn: (power: number) => Easing;\r\nexport declare const createBackIn: (power: number) => Easing;\r\nexport declare const createAnticipateEasing: (power: number) => Easing;\r\nexport declare const linear: Easing;\r\nexport declare const easeIn: Easing;\r\nexport declare const easeOut: Easing;\r\nexport declare const easeInOut: Easing;\r\nexport declare const circIn: Easing;\r\nexport declare const circOut: Easing;\r\nexport declare const circInOut: Easing;\r\nexport declare const backIn: Easing;\r\nexport declare const backOut: Easing;\r\nexport declare const backInOut: Easing;\r\nexport declare const anticipate: Easing;\r\nexport declare const bounceOut: (p: number) => number;\r\nexport declare const bounceIn: (p: number) => number;\r\nexport declare const bounceInOut: (p: number) => number;\r\nexport declare function cubicBezier(mX1: number, mY1: number, mX2: number, mY2: number): (aX: number) => number;\r\n"}}