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7.8 KiB
JSON
1 line
7.8 KiB
JSON
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{"ast":null,"code":"import { interpolate, defaultOffset } from 'motion-dom';\nimport { clamp } from 'motion-utils';\nimport { calcInset } from './inset.mjs';\nimport { resolveOffset } from './offset.mjs';\nimport { ScrollOffset } from './presets.mjs';\nconst point = {\n x: 0,\n y: 0\n};\nfunction getTargetSize(target) {\n return \"getBBox\" in target && target.tagName !== \"svg\" ? target.getBBox() : {\n width: target.clientWidth,\n height: target.clientHeight\n };\n}\nfunction resolveOffsets(container, info, options) {\n const {\n offset: offsetDefinition = ScrollOffset.All\n } = options;\n const {\n target = container,\n axis = \"y\"\n } = options;\n const lengthLabel = axis === \"y\" ? \"height\" : \"width\";\n const inset = target !== container ? calcInset(target, container) : point;\n /**\n * Measure the target and container. If they're the same thing then we\n * use the container's scrollWidth/Height as the target, from there\n * all other calculations can remain the same.\n */\n const targetSize = target === container ? {\n width: container.scrollWidth,\n height: container.scrollHeight\n } : getTargetSize(target);\n const containerSize = {\n width: container.clientWidth,\n height: container.clientHeight\n };\n /**\n * Reset the length of the resolved offset array rather than creating a new one.\n * TODO: More reusable data structures for targetSize/containerSize would also be good.\n */\n info[axis].offset.length = 0;\n /**\n * Populate the offset array by resolving the user's offset definition into\n * a list of pixel scroll offets.\n */\n let hasChanged = !info[axis].interpolate;\n const numOffsets = offsetDefinition.length;\n for (let i = 0; i < numOffsets; i++) {\n const offset = resolveOffset(offsetDefinition[i], containerSize[lengthLabel], targetSize[lengthLabel], inset[axis]);\n if (!hasChanged && offset !== info[axis].interpolatorOffsets[i]) {\n hasChanged = true;\n }\n info[axis].offset[i] = offset;\n }\n /**\n * If the pixel scroll offsets have changed, create a new interpolator function\n * to map scroll value into a progress.\n */\n if (hasChanged) {\n info[axis].interpolate = interpolate(info[axis].offset, defaultOffset(offsetDefinition), {\n clamp: false\n });\n info[axis].interpolatorOffsets = [...info[axis].offset];\n }\n info[axis].progress = clamp(0, 1, info[axis].interpolate(info[axis].current));\n}\nexport { resolveOffsets };","map":{"version":3,"names":["interpolate","defaultOffset","clamp","calcInset","resolveOffset","ScrollOffset","point","x","y","getTargetSize","target","tagName","getBBox","width","clientWidth","height","clientHeight","resolveOffsets","container","info","options","offset","offsetDefinition","All","axis","lengthLabel","inset","targetSize","scrollWidth","scrollHeight","containerSize","length","hasChanged","numOffsets","i","interpolatorOffsets","progress","current"],"sources":["/Users/apple/Documents/cursor/Web课件/AI课/education_web_多Agent协作系统/node_modules/framer-motion/dist/es/render/dom/scroll/offsets/index.mjs"],"sourcesContent":["import { interpolate, defaultOffset } from 'motion-dom';\nimport { clamp } from 'motion-utils';\nimport { calcInset } from './inset.mjs';\nimport { resolveOffset } from './offset.mjs';\nimport { ScrollOffset } from './presets.mjs';\n\nconst point = { x: 0, y: 0 };\nfunction getTargetSize(target) {\n return \"getBBox\" in target && target.tagName !== \"svg\"\n ? target.getBBox()\n : { width: target.clientWidth, height: target.clientHeight };\n}\nfunction resolveOffsets(container, info, options) {\n const { offset: offsetDefinition = ScrollOffset.All } = options;\n const { target = container, axis = \"y\" } = options;\n const lengthLabel = axis === \"y\" ? \"height\" : \"width\";\n const inset = target !== container ? calcInset(target, container) : point;\n /**\n * Measure the target and container. If they're the same thing then we\n * use the container's scrollWidth/Height as the target
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