framer-motion/dist/es/render/dom/scroll/info.mjs.map

A simple and powerful JavaScript animation library

{"version":3,"file":"info.mjs","sources":["../../../../../src/render/dom/scroll/info.ts"],"sourcesContent":["import { progress, velocityPerSecond } from \"motion-utils\"\nimport { AxisScrollInfo, ScrollInfo } from \"./types\"\n\n/**\n * A time in milliseconds, beyond which we consider the scroll velocity to be 0.\n */\nconst maxElapsed = 50\n\nconst createAxisInfo = (): AxisScrollInfo => ({\n    current: 0,\n    offset: [],\n    progress: 0,\n    scrollLength: 0,\n    targetOffset: 0,\n    targetLength: 0,\n    containerLength: 0,\n    velocity: 0,\n})\n\nexport const createScrollInfo = (): ScrollInfo => ({\n    time: 0,\n    x: createAxisInfo(),\n    y: createAxisInfo(),\n})\n\nconst keys = {\n    x: {\n        length: \"Width\",\n        position: \"Left\",\n    },\n    y: {\n        length: \"Height\",\n        position: \"Top\",\n    },\n} as const\n\nfunction updateAxisInfo(\n    element: Element,\n    axisName: \"x\" | \"y\",\n    info: ScrollInfo,\n    time: number\n) {\n    const axis = info[axisName]\n    const { length, position } = keys[axisName]\n\n    const prev = axis.current\n    const prevTime = info.time\n\n    axis.current = element[`scroll${position}`]\n    axis.scrollLength = element[`scroll${length}`] - element[`client${length}`]\n\n    axis.offset.length = 0\n    axis.offset[0] = 0\n    axis.offset[1] = axis.scrollLength\n    axis.progress = progress(0, axis.scrollLength, axis.current)\n\n    const elapsed = time - prevTime\n    axis.velocity =\n        elapsed > maxElapsed\n            ? 0\n            : velocityPerSecond(axis.current - prev, elapsed)\n}\n\nexport function updateScrollInfo(\n    element: Element,\n    info: ScrollInfo,\n    time: number\n) {\n    updateAxisInfo(element, \"x\", info, time)\n    updateAxisInfo(element, \"y\", info, time)\n    info.time = time\n}\n"],"names":[],"mappings":";;AAGA;;AAEG;AACH,MAAM,UAAU,GAAG,EAAE,CAAA;AAErB,MAAM,cAAc,GAAG,OAAuB;AAC1C,IAAA,OAAO,EAAE,CAAC;AACV,IAAA,MAAM,EAAE,EAAE;AACV,IAAA,QAAQ,EAAE,CAAC;AACX,IAAA,YAAY,EAAE,CAAC;AACf,IAAA,YAAY,EAAE,CAAC;AACf,IAAA,YAAY,EAAE,CAAC;AACf,IAAA,eAAe,EAAE,CAAC;AAClB,IAAA,QAAQ,EAAE,CAAC;AACd,CAAA,CAAC,CAAA;AAEW,MAAA,gBAAgB,GAAG,OAAmB;AAC/C,IAAA,IAAI,EAAE,CAAC;IACP,CAAC,EAAE,cAAc,EAAE;IACnB,CAAC,EAAE,cAAc,EAAE;AACtB,CAAA,EAAC;AAEF,MAAM,IAAI,GAAG;AACT,IAAA,CAAC,EAAE;AACC,QAAA,MAAM,EAAE,OAAO;AACf,QAAA,QAAQ,EAAE,MAAM;AACnB,KAAA;AACD,IAAA,CAAC,EAAE;AACC,QAAA,MAAM,EAAE,QAAQ;AAChB,QAAA,QAAQ,EAAE,KAAK;AAClB,KAAA;CACK,CAAA;AAEV,SAAS,cAAc,CACnB,OAAgB,EAChB,QAAmB,EACnB,IAAgB,EAChB,IAAY,EAAA;AAEZ,IAAA,MAAM,IAAI,GAAG,IAAI,CAAC,QAAQ,CAAC,CAAA;IAC3B,MAAM,EAAE,MAAM,EAAE,QAAQ,EAAE,GAAG,IAAI,CAAC,QAAQ,CAAC,CAAA;AAE3C,IAAA,MAAM,IAAI,GAAG,IAAI,CAAC,OAAO,CAAA;AACzB,IAAA,MAAM,QAAQ,GAAG,IAAI,CAAC,IAAI,CAAA;IAE1B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC,CAAS,MAAA,EAAA,QAAQ,CAAE,CAAA,CAAC,CAAA;AAC3C,IAAA,IAAI,CAAC,YAAY,GAAG,OAAO,CAAC,SAAS,MAAM,CAAA,CAAE,CAAC,GAAG,OAAO,CAAC,CAAA,MAAA,EAAS,MAAM,CAAA,CAAE,CAAC,CAAA;AAE3E,IAAA,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,CAAC,CAAA;AACtB,IAAA,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,CAAC,CAAA;IAClB,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,IAAI,CAAC,YAAY,CAAA;AAClC,IAAA,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC,CAAC,EAAE,IAAI,CAAC,YAAY,EAAE,IAAI,CAAC,OAAO,CAAC,CAAA;AAE5D,IAAA,MAAM,OAAO,GAAG,IAAI,GAAG,QAAQ,CAAA;AAC/B,IAAA,IAAI,CAAC,QAAQ;AACT,QAAA,OAAO,GAAG,UAAU;AAChB,cAAE,CAAC;cACD,iBAAiB,CAAC,IAAI,CAAC,OAAO,GAAG,IAAI,EAAE,OAAO,CAAC,CAAA;AAC7D,CAAC;SAEe,gBAAgB,CAC5B,OAAgB,EAChB,IAAgB,EAChB,IAAY,EAAA;IAEZ,cAAc,CAAC,OAAO,EAAE,GAAG,EAAE,IAAI,EAAE,IAAI,CAAC,CAAA;IACxC,cAAc,CAAC,OAAO,EAAE,GAAG,EAAE,IAAI,EAAE,IAAI,CAAC,CAAA;AACxC,IAAA,IAAI,CAAC,IAAI,GAAG,IAAI,CAAA;AACpB;;;;"}