framer-motion/dist/es/render/dom/scroll/utils/offset-to-range.mjs.map

A simple and powerful JavaScript animation library

{"version":3,"file":"offset-to-range.mjs","sources":["../../../../../../src/render/dom/scroll/utils/offset-to-range.ts"],"sourcesContent":["import { ScrollOffset as ScrollOffsetPresets } from \"../offsets/presets\"\nimport { ProgressIntersection, ScrollOffset } from \"../types\"\n\ninterface ViewTimelineRange {\n    rangeStart: string\n    rangeEnd: string\n}\n\n/**\n * Maps from ProgressIntersection pairs used by Motion's preset offsets to\n * ViewTimeline named ranges. Returns undefined for unrecognised patterns,\n * which signals the caller to fall back to JS-based scroll tracking.\n */\nconst presets: [ProgressIntersection[], string][] = [\n    [ScrollOffsetPresets.Enter, \"entry\"],\n    [ScrollOffsetPresets.Exit, \"exit\"],\n    [ScrollOffsetPresets.Any, \"cover\"],\n    [ScrollOffsetPresets.All, \"contain\"],\n]\n\nconst stringToProgress: Record<string, number> = {\n    start: 0,\n    end: 1,\n}\n\nfunction parseStringOffset(\n    s: string\n): ProgressIntersection | undefined {\n    const parts = s.trim().split(/\\s+/)\n    if (parts.length !== 2) return undefined\n    const a = stringToProgress[parts[0]]\n    const b = stringToProgress[parts[1]]\n    if (a === undefined || b === undefined) return undefined\n    return [a, b]\n}\n\nfunction normaliseOffset(offset: ScrollOffset): ProgressIntersection[] | undefined {\n    if (offset.length !== 2) return undefined\n    const result: ProgressIntersection[] = []\n    for (const item of offset) {\n        if (Array.isArray(item)) {\n            result.push(item as ProgressIntersection)\n        } else if (typeof item === \"string\") {\n            const parsed = parseStringOffset(item)\n            if (!parsed) return undefined\n            result.push(parsed)\n        } else {\n            return undefined\n        }\n    }\n    return result\n}\n\nfunction matchesPreset(\n    offset: ScrollOffset,\n    preset: ProgressIntersection[]\n): boolean {\n    const normalised = normaliseOffset(offset)\n    if (!normalised) return false\n\n    for (let i = 0; i < 2; i++) {\n        const o = normalised[i]\n        const p = preset[i]\n        if (o[0] !== p[0] || o[1] !== p[1]) return false\n    }\n    return true\n}\n\nexport function offsetToViewTimelineRange(\n    offset?: ScrollOffset\n): ViewTimelineRange | undefined {\n    if (!offset) {\n        return { rangeStart: \"contain 0%\", rangeEnd: \"contain 100%\" }\n    }\n\n    for (const [preset, name] of presets) {\n        if (matchesPreset(offset, preset)) {\n            return { rangeStart: `${name} 0%`, rangeEnd: `${name} 100%` }\n        }\n    }\n\n    return undefined\n}\n"],"names":["ScrollOffsetPresets"],"mappings":";;AAQA;;;;AAIG;AACH,MAAM,OAAO,GAAuC;AAChD,IAAA,CAACA,YAAmB,CAAC,KAAK,EAAE,OAAO,CAAC;AACpC,IAAA,CAACA,YAAmB,CAAC,IAAI,EAAE,MAAM,CAAC;AAClC,IAAA,CAACA,YAAmB,CAAC,GAAG,EAAE,OAAO,CAAC;AAClC,IAAA,CAACA,YAAmB,CAAC,GAAG,EAAE,SAAS,CAAC;CACvC;AAED,MAAM,gBAAgB,GAA2B;AAC7C,IAAA,KAAK,EAAE,CAAC;AACR,IAAA,GAAG,EAAE,CAAC;CACT;AAED,SAAS,iBAAiB,CACtB,CAAS,EAAA;IAET,MAAM,KAAK,GAAG,CAAC,CAAC,IAAI,EAAE,CAAC,KAAK,CAAC,KAAK,CAAC;AACnC,IAAA,IAAI,KAAK,CAAC,MAAM,KAAK,CAAC;AAAE,QAAA,OAAO,SAAS;IACxC,MAAM,CAAC,GAAG,gBAAgB,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;IACpC,MAAM,CAAC,GAAG,gBAAgB,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;AACpC,IAAA,IAAI,CAAC,KAAK,SAAS,IAAI,CAAC,KAAK,SAAS;AAAE,QAAA,OAAO,SAAS;AACxD,IAAA,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC;AACjB;AAEA,SAAS,eAAe,CAAC,MAAoB,EAAA;AACzC,IAAA,IAAI,MAAM,CAAC,MAAM,KAAK,CAAC;AAAE,QAAA,OAAO,SAAS;IACzC,MAAM,MAAM,GAA2B,EAAE;AACzC,IAAA,KAAK,MAAM,IAAI,IAAI,MAAM,EAAE;AACvB,QAAA,IAAI,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;AACrB,YAAA,MAAM,CAAC,IAAI,CAAC,IAA4B,CAAC;QAC7C;AAAO,aAAA,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;AACjC,YAAA,MAAM,MAAM,GAAG,iBAAiB,CAAC,IAAI,CAAC;AACtC,YAAA,IAAI,CAAC,MAAM;AAAE,gBAAA,OAAO,SAAS;AAC7B,YAAA,MAAM,CAAC,IAAI,CAAC,MAAM,CAAC;QACvB;aAAO;AACH,YAAA,OAAO,SAAS;QACpB;IACJ;AACA,IAAA,OAAO,MAAM;AACjB;AAEA,SAAS,aAAa,CAClB,MAAoB,EACpB,MAA8B,EAAA;AAE9B,IAAA,MAAM,UAAU,GAAG,eAAe,CAAC,MAAM,CAAC;AAC1C,IAAA,IAAI,CAAC,UAAU;AAAE,QAAA,OAAO,KAAK;AAE7B,IAAA,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;AACxB,QAAA,MAAM,CAAC,GAAG,UAAU,CAAC,CAAC,CAAC;AACvB,QAAA,MAAM,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC;AACnB,QAAA,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;AAAE,YAAA,OAAO,KAAK;IACpD;AACA,IAAA,OAAO,IAAI;AACf;AAEM,SAAU,yBAAyB,CACrC,MAAqB,EAAA;IAErB,IAAI,CAAC,MAAM,EAAE;QACT,OAAO,EAAE,UAAU,EAAE,YAAY,EAAE,QAAQ,EAAE,cAAc,EAAE;IACjE;IAEA,KAAK,MAAM,CAAC,MAAM,EAAE,IAAI,CAAC,IAAI,OAAO,EAAE;AAClC,QAAA,IAAI,aAAa,CAAC,MAAM,EAAE,MAAM,CAAC,EAAE;AAC/B,YAAA,OAAO,EAAE,UAAU,EAAE,CAAA,EAAG,IAAI,CAAA,GAAA,CAAK,EAAE,QAAQ,EAAE,CAAA,EAAG,IAAI,CAAA,KAAA,CAAO,EAAE;QACjE;IACJ;AAEA,IAAA,OAAO,SAAS;AACpB;;;;"}