1 line
10 KiB
JSON
1 line
10 KiB
JSON
{"ast":null,"code":"import { warning, secondsToMilliseconds, clamp, millisecondsToSeconds } from 'motion-utils';\nimport { springDefaults } from './defaults.mjs';\nconst safeMin = 0.001;\nfunction findSpring({\n duration = springDefaults.duration,\n bounce = springDefaults.bounce,\n velocity = springDefaults.velocity,\n mass = springDefaults.mass\n}) {\n let envelope;\n let derivative;\n warning(duration <= secondsToMilliseconds(springDefaults.maxDuration), \"Spring duration must be 10 seconds or less\", \"spring-duration-limit\");\n let dampingRatio = 1 - bounce;\n /**\n * Restrict dampingRatio and duration to within acceptable ranges.\n */\n dampingRatio = clamp(springDefaults.minDamping, springDefaults.maxDamping, dampingRatio);\n duration = clamp(springDefaults.minDuration, springDefaults.maxDuration, millisecondsToSeconds(duration));\n if (dampingRatio < 1) {\n /**\n * Underdamped spring\n */\n envelope = undampedFreq => {\n const exponentialDecay = undampedFreq * dampingRatio;\n const delta = exponentialDecay * duration;\n const a = exponentialDecay - velocity;\n const b = calcAngularFreq(undampedFreq, dampingRatio);\n const c = Math.exp(-delta);\n return safeMin - a / b * c;\n };\n derivative = undampedFreq => {\n const exponentialDecay = undampedFreq * dampingRatio;\n const delta = exponentialDecay * duration;\n const d = delta * velocity + velocity;\n const e = Math.pow(dampingRatio, 2) * Math.pow(undampedFreq, 2) * duration;\n const f = Math.exp(-delta);\n const g = calcAngularFreq(Math.pow(undampedFreq, 2), dampingRatio);\n const factor = -envelope(undampedFreq) + safeMin > 0 ? -1 : 1;\n return factor * ((d - e) * f) / g;\n };\n } else {\n /**\n * Critically-damped spring\n */\n envelope = undampedFreq => {\n const a = Math.exp(-undampedFreq * duration);\n const b = (undampedFreq - velocity) * duration + 1;\n return -safeMin + a * b;\n };\n derivative = undampedFreq => {\n const a = Math.exp(-undampedFreq * duration);\n const b = (velocity - undampedFreq) * (duration * duration);\n return a * b;\n };\n }\n const initialGuess = 5 / duration;\n const undampedFreq = approximateRoot(envelope, derivative, initialGuess);\n duration = secondsToMilliseconds(duration);\n if (isNaN(undampedFreq)) {\n return {\n stiffness: springDefaults.stiffness,\n damping: springDefaults.damping,\n duration\n };\n } else {\n const stiffness = Math.pow(undampedFreq, 2) * mass;\n return {\n stiffness,\n damping: dampingRatio * 2 * Math.sqrt(mass * stiffness),\n duration\n };\n }\n}\nconst rootIterations = 12;\nfunction approximateRoot(envelope, derivative, initialGuess) {\n let result = initialGuess;\n for (let i = 1; i < rootIterations; i++) {\n result = result - envelope(result) / derivative(result);\n }\n return result;\n}\nfunction calcAngularFreq(undampedFreq, dampingRatio) {\n return undampedFreq * Math.sqrt(1 - dampingRatio * dampingRatio);\n}\nexport { calcAngularFreq, findSpring };","map":{"version":3,"names":["warning","secondsToMilliseconds","clamp","millisecondsToSeconds","springDefaults","safeMin","findSpring","duration","bounce","velocity","mass","envelope","derivative","maxDuration","dampingRatio","minDamping","maxDamping","minDuration","undampedFreq","exponentialDecay","delta","a","b","calcAngularFreq","c","Math","exp","d","e","pow","f","g","factor","initialGuess","approximateRoot","isNaN","stiffness","damping","sqrt","rootIterations","result","i"],"sources":["/home/gnx/Desktop/ETB/ETB-FrontEnd/node_modules/motion-dom/dist/es/animation/generators/spring/find.mjs"],"sourcesContent":["import { warning, secondsToMilliseconds, clamp, millisecondsToSeconds } from 'motion-utils';\nimport { springDefaults } from './defaults.mjs';\n\nconst safeMin = 0.001;\nfunction findSpring({ duration = springDefaults.duration, bounce = springDefaults.bounce, velocity = springDefaults.velocity, mass = springDefaults.mass, }) {\n let envelope;\n let derivative;\n warning(duration <= secondsToMilliseconds(springDefaults.maxDuration), \"Spring duration must be 10 seconds or less\", \"spring-duration-limit\");\n let dampingRatio = 1 - bounce;\n /**\n * Restrict dampingRatio and duration to within acceptable ranges.\n */\n dampingRatio = clamp(springDefaults.minDamping, springDefaults.maxDamping, dampingRatio);\n duration = clamp(springDefaults.minDuration, springDefaults.maxDuration, millisecondsToSeconds(duration));\n if (dampingRatio < 1) {\n /**\n * Underdamped spring\n */\n envelope = (undampedFreq) => {\n const exponentialDecay = undampedFreq * dampingRatio;\n const delta = exponentialDecay * duration;\n const a = exponentialDecay - velocity;\n const b = calcAngularFreq(undampedFreq, dampingRatio);\n const c = Math.exp(-delta);\n return safeMin - (a / b) * c;\n };\n derivative = (undampedFreq) => {\n const exponentialDecay = undampedFreq * dampingRatio;\n const delta = exponentialDecay * duration;\n const d = delta * velocity + velocity;\n const e = Math.pow(dampingRatio, 2) * Math.pow(undampedFreq, 2) * duration;\n const f = Math.exp(-delta);\n const g = calcAngularFreq(Math.pow(undampedFreq, 2), dampingRatio);\n const factor = -envelope(undampedFreq) + safeMin > 0 ? -1 : 1;\n return (factor * ((d - e) * f)) / g;\n };\n }\n else {\n /**\n * Critically-damped spring\n */\n envelope = (undampedFreq) => {\n const a = Math.exp(-undampedFreq * duration);\n const b = (undampedFreq - velocity) * duration + 1;\n return -safeMin + a * b;\n };\n derivative = (undampedFreq) => {\n const a = Math.exp(-undampedFreq * duration);\n const b = (velocity - undampedFreq) * (duration * duration);\n return a * b;\n };\n }\n const initialGuess = 5 / duration;\n const undampedFreq = approximateRoot(envelope, derivative, initialGuess);\n duration = secondsToMilliseconds(duration);\n if (isNaN(undampedFreq)) {\n return {\n stiffness: springDefaults.stiffness,\n damping: springDefaults.damping,\n duration,\n };\n }\n else {\n const stiffness = Math.pow(undampedFreq, 2) * mass;\n return {\n stiffness,\n damping: dampingRatio * 2 * Math.sqrt(mass * stiffness),\n duration,\n };\n }\n}\nconst rootIterations = 12;\nfunction approximateRoot(envelope, derivative, initialGuess) {\n let result = initialGuess;\n for (let i = 1; i < rootIterations; i++) {\n result = result - envelope(result) / derivative(result);\n }\n return result;\n}\nfunction calcAngularFreq(undampedFreq, dampingRatio) {\n return undampedFreq * Math.sqrt(1 - dampingRatio * dampingRatio);\n}\n\nexport { calcAngularFreq, findSpring };\n"],"mappings":"AAAA,SAASA,OAAO,EAAEC,qBAAqB,EAAEC,KAAK,EAAEC,qBAAqB,QAAQ,cAAc;AAC3F,SAASC,cAAc,QAAQ,gBAAgB;AAE/C,MAAMC,OAAO,GAAG,KAAK;AACrB,SAASC,UAAUA,CAAC;EAAEC,QAAQ,GAAGH,cAAc,CAACG,QAAQ;EAAEC,MAAM,GAAGJ,cAAc,CAACI,MAAM;EAAEC,QAAQ,GAAGL,cAAc,CAACK,QAAQ;EAAEC,IAAI,GAAGN,cAAc,CAACM;AAAM,CAAC,EAAE;EACzJ,IAAIC,QAAQ;EACZ,IAAIC,UAAU;EACdZ,OAAO,CAACO,QAAQ,IAAIN,qBAAqB,CAACG,cAAc,CAACS,WAAW,CAAC,EAAE,4CAA4C,EAAE,uBAAuB,CAAC;EAC7I,IAAIC,YAAY,GAAG,CAAC,GAAGN,MAAM;EAC7B;AACJ;AACA;EACIM,YAAY,GAAGZ,KAAK,CAACE,cAAc,CAACW,UAAU,EAAEX,cAAc,CAACY,UAAU,EAAEF,YAAY,CAAC;EACxFP,QAAQ,GAAGL,KAAK,CAACE,cAAc,CAACa,WAAW,EAAEb,cAAc,CAACS,WAAW,EAAEV,qBAAqB,CAACI,QAAQ,CAAC,CAAC;EACzG,IAAIO,YAAY,GAAG,CAAC,EAAE;IAClB;AACR;AACA;IACQH,QAAQ,GAAIO,YAAY,IAAK;MACzB,MAAMC,gBAAgB,GAAGD,YAAY,GAAGJ,YAAY;MACpD,MAAMM,KAAK,GAAGD,gBAAgB,GAAGZ,QAAQ;MACzC,MAAMc,CAAC,GAAGF,gBAAgB,GAAGV,QAAQ;MACrC,MAAMa,CAAC,GAAGC,eAAe,CAACL,YAAY,EAAEJ,YAAY,CAAC;MACrD,MAAMU,CAAC,GAAGC,IAAI,CAACC,GAAG,CAAC,CAACN,KAAK,CAAC;MAC1B,OAAOf,OAAO,GAAIgB,CAAC,GAAGC,CAAC,GAAIE,CAAC;IAChC,CAAC;IACDZ,UAAU,GAAIM,YAAY,IAAK;MAC3B,MAAMC,gBAAgB,GAAGD,YAAY,GAAGJ,YAAY;MACpD,MAAMM,KAAK,GAAGD,gBAAgB,GAAGZ,QAAQ;MACzC,MAAMoB,CAAC,GAAGP,KAAK,GAAGX,QAAQ,GAAGA,QAAQ;MACrC,MAAMmB,CAAC,GAAGH,IAAI,CAACI,GAAG,CAACf,YAAY,EAAE,CAAC,CAAC,GAAGW,IAAI,CAACI,GAAG,CAACX,YAAY,EAAE,CAAC,CAAC,GAAGX,QAAQ;MAC1E,MAAMuB,CAAC,GAAGL,IAAI,CAACC,GAAG,CAAC,CAACN,KAAK,CAAC;MAC1B,MAAMW,CAAC,GAAGR,eAAe,CAACE,IAAI,CAACI,GAAG,CAACX,YAAY,EAAE,CAAC,CAAC,EAAEJ,YAAY,CAAC;MAClE,MAAMkB,MAAM,GAAG,CAACrB,QAAQ,CAACO,YAAY,CAAC,GAAGb,OAAO,GAAG,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC;MAC7D,OAAQ2B,MAAM,IAAI,CAACL,CAAC,GAAGC,CAAC,IAAIE,CAAC,CAAC,GAAIC,CAAC;IACvC,CAAC;EACL,CAAC,MACI;IACD;AACR;AACA;IACQpB,QAAQ,GAAIO,YAAY,IAAK;MACzB,MAAMG,CAAC,GAAGI,IAAI,CAACC,GAAG,CAAC,CAACR,YAAY,GAAGX,QAAQ,CAAC;MAC5C,MAAMe,CAAC,GAAG,CAACJ,YAAY,GAAGT,QAAQ,IAAIF,QAAQ,GAAG,CAAC;MAClD,OAAO,CAACF,OAAO,GAAGgB,CAAC,GAAGC,CAAC;IAC3B,CAAC;IACDV,UAAU,GAAIM,YAAY,IAAK;MAC3B,MAAMG,CAAC,GAAGI,IAAI,CAACC,GAAG,CAAC,CAACR,YAAY,GAAGX,QAAQ,CAAC;MAC5C,MAAMe,CAAC,GAAG,CAACb,QAAQ,GAAGS,YAAY,KAAKX,QAAQ,GAAGA,QAAQ,CAAC;MAC3D,OAAOc,CAAC,GAAGC,CAAC;IAChB,CAAC;EACL;EACA,MAAMW,YAAY,GAAG,CAAC,GAAG1B,QAAQ;EACjC,MAAMW,YAAY,GAAGgB,eAAe,CAACvB,QAAQ,EAAEC,UAAU,EAAEqB,YAAY,CAAC;EACxE1B,QAAQ,GAAGN,qBAAqB,CAACM,QAAQ,CAAC;EAC1C,IAAI4B,KAAK,CAACjB,YAAY,CAAC,EAAE;IACrB,OAAO;MACHkB,SAAS,EAAEhC,cAAc,CAACgC,SAAS;MACnCC,OAAO,EAAEjC,cAAc,CAACiC,OAAO;MAC/B9B;IACJ,CAAC;EACL,CAAC,MACI;IACD,MAAM6B,SAAS,GAAGX,IAAI,CAACI,GAAG,CAACX,YAAY,EAAE,CAAC,CAAC,GAAGR,IAAI;IAClD,OAAO;MACH0B,SAAS;MACTC,OAAO,EAAEvB,YAAY,GAAG,CAAC,GAAGW,IAAI,CAACa,IAAI,CAAC5B,IAAI,GAAG0B,SAAS,CAAC;MACvD7B;IACJ,CAAC;EACL;AACJ;AACA,MAAMgC,cAAc,GAAG,EAAE;AACzB,SAASL,eAAeA,CAACvB,QAAQ,EAAEC,UAAU,EAAEqB,YAAY,EAAE;EACzD,IAAIO,MAAM,GAAGP,YAAY;EACzB,KAAK,IAAIQ,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGF,cAAc,EAAEE,CAAC,EAAE,EAAE;IACrCD,MAAM,GAAGA,MAAM,GAAG7B,QAAQ,CAAC6B,MAAM,CAAC,GAAG5B,UAAU,CAAC4B,MAAM,CAAC;EAC3D;EACA,OAAOA,MAAM;AACjB;AACA,SAASjB,eAAeA,CAACL,YAAY,EAAEJ,YAAY,EAAE;EACjD,OAAOI,YAAY,GAAGO,IAAI,CAACa,IAAI,CAAC,CAAC,GAAGxB,YAAY,GAAGA,YAAY,CAAC;AACpE;AAEA,SAASS,eAAe,EAAEjB,UAAU","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]} |