UNPKG

element-plus

Version:

A Component Library for Vue 3

1 lines 2.89 kB
{"version":3,"file":"index.mjs","sources":["../../../../../packages/hooks/use-throttle-render/index.ts"],"sourcesContent":["import { onMounted, ref, watch } from 'vue'\nimport { isNumber, isObject, isUndefined } from '@element-plus/utils'\n\nimport type { Ref } from 'vue'\n\nexport type ThrottleType =\n | { leading?: number; trailing?: number; initVal?: boolean }\n | number\n\nexport const useThrottleRender = (\n loading: Ref<boolean>,\n throttle: ThrottleType = 0\n) => {\n if (throttle === 0) return loading\n const initVal = isObject(throttle) && Boolean(throttle.initVal)\n const throttled = ref(initVal)\n let timeoutHandle: ReturnType<typeof setTimeout> | null = null\n\n const dispatchThrottling = (timer: number | undefined) => {\n if (isUndefined(timer)) {\n throttled.value = loading.value\n return\n }\n if (timeoutHandle) {\n clearTimeout(timeoutHandle)\n }\n timeoutHandle = setTimeout(() => {\n throttled.value = loading.value\n }, timer)\n }\n\n const dispatcher = (type: 'leading' | 'trailing') => {\n if (type === 'leading') {\n if (isNumber(throttle)) {\n dispatchThrottling(throttle)\n } else {\n dispatchThrottling(throttle.leading)\n }\n } else {\n if (isObject(throttle)) {\n dispatchThrottling(throttle.trailing)\n } else {\n throttled.value = false\n }\n }\n }\n\n onMounted(() => dispatcher('leading'))\n\n watch(\n () => loading.value,\n (val) => {\n dispatcher(val ? 'leading' : 'trailing')\n }\n )\n\n return throttled\n}\n"],"names":[],"mappings":";;;;AASO,MAAM,iBAAoB,GAAA,CAC/B,OACA,EAAA,QAAA,GAAyB,CACtB,KAAA;AACH,EAAA,IAAI,QAAa,KAAA,CAAA;AAAG,IAAO,OAAA,OAAA,CAAA;AAC3B,EAAA,MAAM,UAAU,QAAS,CAAA,QAAQ,CAAK,IAAA,OAAA,CAAQ,SAAS,OAAO,CAAA,CAAA;AAC9D,EAAM,MAAA,SAAA,GAAY,IAAI,OAAO,CAAA,CAAA;AAC7B,EAAA,IAAI,aAAsD,GAAA,IAAA,CAAA;AAE1D,EAAM,MAAA,kBAAA,GAAqB,CAAC,KAA8B,KAAA;AACxD,IAAI,IAAA,WAAA,CAAY,KAAK,CAAG,EAAA;AACtB,MAAA,SAAA,CAAU,QAAQ,OAAQ,CAAA,KAAA,CAAA;AAC1B,MAAA,OAAA;AAAA,KACF;AACA,IAAA,IAAI,aAAe,EAAA;AACjB,MAAA,YAAA,CAAa,aAAa,CAAA,CAAA;AAAA,KAC5B;AACA,IAAA,aAAA,GAAgB,WAAW,MAAM;AAC/B,MAAA,SAAA,CAAU,QAAQ,OAAQ,CAAA,KAAA,CAAA;AAAA,OACzB,KAAK,CAAA,CAAA;AAAA,GACV,CAAA;AAEA,EAAM,MAAA,UAAA,GAAa,CAAC,IAAiC,KAAA;AACnD,IAAA,IAAI,SAAS,SAAW,EAAA;AACtB,MAAI,IAAA,QAAA,CAAS,QAAQ,CAAG,EAAA;AACtB,QAAA,kBAAA,CAAmB,QAAQ,CAAA,CAAA;AAAA,OACtB,MAAA;AACL,QAAA,kBAAA,CAAmB,SAAS,OAAO,CAAA,CAAA;AAAA,OACrC;AAAA,KACK,MAAA;AACL,MAAI,IAAA,QAAA,CAAS,QAAQ,CAAG,EAAA;AACtB,QAAA,kBAAA,CAAmB,SAAS,QAAQ,CAAA,CAAA;AAAA,OAC/B,MAAA;AACL,QAAA,SAAA,CAAU,KAAQ,GAAA,KAAA,CAAA;AAAA,OACpB;AAAA,KACF;AAAA,GACF,CAAA;AAEA,EAAU,SAAA,CAAA,MAAM,UAAW,CAAA,SAAS,CAAC,CAAA,CAAA;AAErC,EAAA,KAAA;AAAA,IACE,MAAM,OAAQ,CAAA,KAAA;AAAA,IACd,CAAC,GAAQ,KAAA;AACP,MAAW,UAAA,CAAA,GAAA,GAAM,YAAY,UAAU,CAAA,CAAA;AAAA,KACzC;AAAA,GACF,CAAA;AAEA,EAAO,OAAA,SAAA,CAAA;AACT;;;;"}