casc-cesium
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Vue 3.x components for CesiumJS.
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{"version":3,"file":"use-scroll-target.mjs","sources":["../../../../../packages/composables/private/use-scroll-target.ts"],"sourcesContent":["import { ref, watch, onBeforeUnmount } from 'vue'\n\nimport { listenOpts } from 'casc-cesium-utils/private/event'\n\nexport default function (props, configureScrollTarget) {\n const localScrollTarget = ref(null)\n let scrollFn\n\n function changeScrollEvent(scrollTarget, fn?) {\n const fnProp = `${fn !== void 0 ? 'add' : 'remove'}EventListener`\n const fnHandler = fn !== void 0 ? fn : scrollFn\n\n if (scrollTarget !== window) {\n scrollTarget[fnProp]('scroll', fnHandler, listenOpts.passive)\n }\n\n window[fnProp]('scroll', fnHandler, listenOpts.passive)\n\n scrollFn = fn\n }\n\n function unconfigureScrollTarget() {\n if (localScrollTarget.value !== null) {\n changeScrollEvent(localScrollTarget.value)\n localScrollTarget.value = null\n }\n }\n\n const noParentEventWatcher = watch(\n () => props.noParentEvent,\n () => {\n if (localScrollTarget.value !== null) {\n unconfigureScrollTarget()\n configureScrollTarget()\n }\n }\n )\n\n onBeforeUnmount(noParentEventWatcher)\n\n return {\n localScrollTarget,\n unconfigureScrollTarget,\n changeScrollEvent\n }\n}\n"],"names":[],"mappings":";;;AAEe,wBAAQ,CAAC,KAAK,EAAE,qBAAqB,EAAE;AACtD,EAAE,MAAM,iBAAiB,GAAG,GAAG,CAAC,IAAI,CAAC,CAAC;AACtC,EAAE,IAAI,QAAQ,CAAC;AACf,EAAE,SAAS,iBAAiB,CAAC,YAAY,EAAE,EAAE,EAAE;AAC/C,IAAI,MAAM,MAAM,GAAG,CAAC,EAAE,EAAE,KAAK,KAAK,CAAC,GAAG,KAAK,GAAG,QAAQ,CAAC,aAAa,CAAC,CAAC;AACtE,IAAI,MAAM,SAAS,GAAG,EAAE,KAAK,KAAK,CAAC,GAAG,EAAE,GAAG,QAAQ,CAAC;AACpD,IAAI,IAAI,YAAY,KAAK,MAAM,EAAE;AACjC,MAAM,YAAY,CAAC,MAAM,CAAC,CAAC,QAAQ,EAAE,SAAS,EAAE,UAAU,CAAC,OAAO,CAAC,CAAC;AACpE,KAAK;AACL,IAAI,MAAM,CAAC,MAAM,CAAC,CAAC,QAAQ,EAAE,SAAS,EAAE,UAAU,CAAC,OAAO,CAAC,CAAC;AAC5D,IAAI,QAAQ,GAAG,EAAE,CAAC;AAClB,GAAG;AACH,EAAE,SAAS,uBAAuB,GAAG;AACrC,IAAI,IAAI,iBAAiB,CAAC,KAAK,KAAK,IAAI,EAAE;AAC1C,MAAM,iBAAiB,CAAC,iBAAiB,CAAC,KAAK,CAAC,CAAC;AACjD,MAAM,iBAAiB,CAAC,KAAK,GAAG,IAAI,CAAC;AACrC,KAAK;AACL,GAAG;AACH,EAAE,MAAM,oBAAoB,GAAG,KAAK,CAAC,MAAM,KAAK,CAAC,aAAa,EAAE,MAAM;AACtE,IAAI,IAAI,iBAAiB,CAAC,KAAK,KAAK,IAAI,EAAE;AAC1C,MAAM,uBAAuB,EAAE,CAAC;AAChC,MAAM,qBAAqB,EAAE,CAAC;AAC9B,KAAK;AACL,GAAG,CAAC,CAAC;AACL,EAAE,eAAe,CAAC,oBAAoB,CAAC,CAAC;AACxC,EAAE,OAAO;AACT,IAAI,iBAAiB;AACrB,IAAI,uBAAuB;AAC3B,IAAI,iBAAiB;AACrB,GAAG,CAAC;AACJ;;;;"}