{
  "version": 3,
  "sources": ["src/app/shared/animations/utilities.ts"],
  "sourcesContent": ["\r\nexport interface IAnimationStepsInfo {\r\n  key: string;\r\n  from: number;\r\n  to: number;\r\n  type?: 's' | 't';\r\n}\r\nexport interface IAnimationStepData {\r\n  step: number;\r\n  inverse: number;\r\n}\r\n\r\nexport const   getAnimationSteps = (ranges: IAnimationStepsInfo[], reverse = false, frames: number): Map<string, IAnimationStepData>[] =>  {\r\n  const  ease = (v, pow = 4) => {\r\n    return 1 - Math.pow(1 - v, pow);\r\n  };\r\n  const steps = Array(frames)\r\n    .fill(null)\r\n    .map((e, i) => (reverse ? i + 1 : frames - (i + 1)))\r\n    .map((keyFrame, i, arr) => {\r\n      const obj = new Map<string, IAnimationStepData>();\r\n      for (const range of ranges) {\r\n        let step;\r\n        let inverseStep;\r\n        if (range.type === 't') {\r\n          const r = (range.to - range.from) / frames;\r\n          step = range.from + (r * keyFrame);\r\n          inverseStep = range.to - (r * keyFrame);\r\n        } else {\r\n          const r = range.to / range.from;\r\n          const easedStep = ease(keyFrame / frames);\r\n          step = r + (1 - r) * easedStep;\r\n          step = r + (1 - r) * keyFrame / frames;\r\n          inverseStep = 1 / step;\r\n        }\r\n        obj.set(range.key, {step: step, inverse: inverseStep});\r\n      }\r\n      return obj;\r\n    });\r\n\r\n  return steps;\r\n};\r\n"],
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  "names": ["getAnimationSteps", "ranges", "reverse", "frames", "ease", "v", "pow", "Math", "Array", "fill", "map", "e", "i", "keyFrame", "arr", "obj", "Map", "range", "step", "inverseStep", "type", "r", "to", "from", "easedStep", "set", "key", "inverse"]
}