47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
import { ref, onMounted, watch } from 'vue';
|
|
import { isNumber, isUndefined } from '../../utils/types.mjs';
|
|
import { isObject } from '@vue/shared';
|
|
|
|
const useThrottleRender = (loading, throttle = 0) => {
|
|
if (throttle === 0)
|
|
return loading;
|
|
const initVal = isObject(throttle) && Boolean(throttle.initVal);
|
|
const throttled = ref(initVal);
|
|
let timeoutHandle = null;
|
|
const dispatchThrottling = (timer) => {
|
|
if (isUndefined(timer)) {
|
|
throttled.value = loading.value;
|
|
return;
|
|
}
|
|
if (timeoutHandle) {
|
|
clearTimeout(timeoutHandle);
|
|
}
|
|
timeoutHandle = setTimeout(() => {
|
|
throttled.value = loading.value;
|
|
}, timer);
|
|
};
|
|
const dispatcher = (type) => {
|
|
if (type === "leading") {
|
|
if (isNumber(throttle)) {
|
|
dispatchThrottling(throttle);
|
|
} else {
|
|
dispatchThrottling(throttle.leading);
|
|
}
|
|
} else {
|
|
if (isObject(throttle)) {
|
|
dispatchThrottling(throttle.trailing);
|
|
} else {
|
|
throttled.value = false;
|
|
}
|
|
}
|
|
};
|
|
onMounted(() => dispatcher("leading"));
|
|
watch(() => loading.value, (val) => {
|
|
dispatcher(val ? "leading" : "trailing");
|
|
});
|
|
return throttled;
|
|
};
|
|
|
|
export { useThrottleRender };
|
|
//# sourceMappingURL=index.mjs.map
|