{"version":3,"names":["defineAnimation","withTiming","ColorProperties","processColor","resolvePath","obj","path","keys","Array","isArray","reduce","acc","current","undefined","setPath","value","currObj","i","length","withStyleAnimation","styleAnimations","onFrame","animation","now","stillGoing","entriesToCheck","currentEntry","pop","index","push","concat","key","Object","currentStyleAnimation","finished","callback","includes","onStart","previousAnimation","prevAnimation","prevVal","console","warn","join","currentAnimation","duration","animationsToCheck","element","values","isHigherOrder"],"sources":["styleAnimation.ts"],"sourcesContent":["'use strict';\nimport { defineAnimation } from './util';\nimport type {\n Timestamp,\n AnimatableValue,\n AnimationObject,\n Animation,\n NestedObject,\n NestedObjectValues,\n} from '../commonTypes';\nimport type { AnimatedStyle } from '../helperTypes';\nimport type { StyleLayoutAnimation } from './commonTypes';\nimport { withTiming } from './timing';\nimport { ColorProperties, processColor } from '../Colors';\n\n// resolves path to value for nested objects\n// if path cannot be resolved returns undefined\nfunction resolvePath(\n obj: NestedObject,\n path: AnimatableValue[] | AnimatableValue\n): NestedObjectValues | undefined {\n 'worklet';\n const keys: AnimatableValue[] = Array.isArray(path) ? path : [path];\n return keys.reduce | undefined>((acc, current) => {\n if (Array.isArray(acc) && typeof current === 'number') {\n return acc[current];\n } else if (\n acc !== null &&\n typeof acc === 'object' &&\n (current as number | string) in acc\n ) {\n return (acc as { [key: string]: NestedObjectValues })[\n current as number | string\n ];\n }\n return undefined;\n }, obj);\n}\n\n// set value at given path\ntype Path = Array | string | number;\nfunction setPath(\n obj: NestedObject,\n path: Path,\n value: NestedObjectValues\n): void {\n 'worklet';\n const keys: Path = Array.isArray(path) ? path : [path];\n let currObj: NestedObjectValues = obj;\n for (let i = 0; i < keys.length - 1; i++) {\n // creates entry if there isn't one\n currObj = currObj as { [key: string]: NestedObjectValues };\n if (!(keys[i] in currObj)) {\n // if next key is a number create an array\n if (typeof keys[i + 1] === 'number') {\n currObj[keys[i]] = [];\n } else {\n currObj[keys[i]] = {};\n }\n }\n currObj = currObj[keys[i]];\n }\n\n (currObj as { [key: string]: NestedObjectValues })[keys[keys.length - 1]] =\n value;\n}\n\ninterface NestedObjectEntry {\n value: NestedObjectValues;\n path: (string | number)[];\n}\n\nexport function withStyleAnimation(\n styleAnimations: AnimatedStyle\n): StyleLayoutAnimation {\n 'worklet';\n return defineAnimation({}, () => {\n 'worklet';\n\n const onFrame = (\n animation: StyleLayoutAnimation,\n now: Timestamp\n ): boolean => {\n let stillGoing = false;\n const entriesToCheck: NestedObjectEntry[] = [\n { value: animation.styleAnimations, path: [] },\n ];\n while (entriesToCheck.length > 0) {\n const currentEntry: NestedObjectEntry =\n entriesToCheck.pop() as NestedObjectEntry;\n if (Array.isArray(currentEntry.value)) {\n for (let index = 0; index < currentEntry.value.length; index++) {\n entriesToCheck.push({\n value: currentEntry.value[index],\n path: currentEntry.path.concat(index),\n });\n }\n } else if (\n typeof currentEntry.value === 'object' &&\n currentEntry.value.onFrame === undefined\n ) {\n // nested object\n for (const key of Object.keys(currentEntry.value)) {\n entriesToCheck.push({\n value: currentEntry.value[key],\n path: currentEntry.path.concat(key),\n });\n }\n } else {\n const currentStyleAnimation: AnimationObject =\n currentEntry.value as AnimationObject;\n if (currentStyleAnimation.finished) {\n continue;\n }\n const finished = currentStyleAnimation.onFrame(\n currentStyleAnimation,\n now\n );\n if (finished) {\n currentStyleAnimation.finished = true;\n if (currentStyleAnimation.callback) {\n currentStyleAnimation.callback(true);\n }\n } else {\n stillGoing = true;\n }\n\n if (ColorProperties.includes(currentEntry.path[0] as string)) {\n currentStyleAnimation.current = processColor(\n currentStyleAnimation.current\n ) as number;\n }\n\n setPath(\n animation.current,\n currentEntry.path,\n currentStyleAnimation.current\n );\n }\n }\n return !stillGoing;\n };\n\n const onStart = (\n animation: StyleLayoutAnimation,\n value: AnimatedStyle,\n now: Timestamp,\n previousAnimation: StyleLayoutAnimation\n ): void => {\n const entriesToCheck: NestedObjectEntry<\n AnimationObject | AnimatableValue\n >[] = [{ value: styleAnimations, path: [] }];\n while (entriesToCheck.length > 0) {\n const currentEntry: NestedObjectEntry<\n AnimationObject | AnimatableValue\n > = entriesToCheck.pop() as NestedObjectEntry<\n AnimationObject | AnimatableValue\n >;\n if (Array.isArray(currentEntry.value)) {\n for (let index = 0; index < currentEntry.value.length; index++) {\n entriesToCheck.push({\n value: currentEntry.value[index],\n path: currentEntry.path.concat(index),\n });\n }\n } else if (\n typeof currentEntry.value === 'object' &&\n currentEntry.value.onStart === undefined\n ) {\n for (const key of Object.keys(currentEntry.value)) {\n entriesToCheck.push({\n value: currentEntry.value[key],\n path: currentEntry.path.concat(key),\n });\n }\n } else {\n const prevAnimation = resolvePath(\n previousAnimation?.styleAnimations,\n currentEntry.path\n );\n let prevVal = resolvePath(value, currentEntry.path);\n if (prevAnimation && !prevVal) {\n prevVal = (prevAnimation as any).current;\n }\n if (prevVal === undefined) {\n console.warn(\n `Initial values for animation are missing for property ${currentEntry.path.join(\n '.'\n )}`\n );\n }\n setPath(animation.current, currentEntry.path, prevVal);\n let currentAnimation: AnimationObject;\n if (\n typeof currentEntry.value !== 'object' ||\n !currentEntry.value.onStart\n ) {\n currentAnimation = withTiming(\n currentEntry.value as AnimatableValue,\n { duration: 0 }\n ) as AnimationObject; // TODO TYPESCRIPT this temporary cast is to get rid of .d.ts file.\n setPath(\n animation.styleAnimations,\n currentEntry.path,\n currentAnimation\n );\n } else {\n currentAnimation = currentEntry.value as Animation;\n }\n currentAnimation.onStart(\n currentAnimation,\n prevVal,\n now,\n prevAnimation\n );\n }\n }\n };\n\n const callback = (finished: boolean): void => {\n if (!finished) {\n const animationsToCheck: NestedObjectValues[] = [\n styleAnimations,\n ];\n while (animationsToCheck.length > 0) {\n const currentAnimation: NestedObjectValues =\n animationsToCheck.pop() as NestedObjectValues;\n if (Array.isArray(currentAnimation)) {\n for (const element of currentAnimation) {\n animationsToCheck.push(element);\n }\n } else if (\n typeof currentAnimation === 'object' &&\n currentAnimation.onStart === undefined\n ) {\n for (const value of Object.values(currentAnimation)) {\n animationsToCheck.push(value);\n }\n } else {\n const currentStyleAnimation: AnimationObject =\n currentAnimation as AnimationObject;\n if (\n !currentStyleAnimation.finished &&\n currentStyleAnimation.callback\n ) {\n currentStyleAnimation.callback(false);\n }\n }\n }\n }\n };\n\n return {\n isHigherOrder: true,\n onFrame,\n onStart,\n current: {},\n styleAnimations,\n callback,\n } as StyleLayoutAnimation;\n 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