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59 lines
1.2 KiB
59 lines
1.2 KiB
"use strict";
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const common_vendor = require("../common/vendor.js");
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function usePolling(fun, options) {
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const result = common_vendor.ref(null);
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const error = common_vendor.ref(null);
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const {
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time = 2e3,
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totalTime,
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count,
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callback = () => false
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} = options || {};
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let timer = null;
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let endTime = null;
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let totalCount = 0;
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const run = () => {
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console.log("count2:", count);
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if (endTime && endTime <= Date.now()) {
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console.log("结束？？");
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end();
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callback();
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return;
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}
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if (count && totalCount >= count) {
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console.log("结束？？");
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end();
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callback();
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return;
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}
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totalCount++;
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timer = setTimeout(() => {
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fun().then((res) => {
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result.value = res;
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run();
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}).catch((err) => {
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error.value = err;
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});
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}, time);
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};
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const start = () => {
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endTime = totalTime ? Date.now() + totalTime : null;
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console.log("不是运行了吗？？");
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run();
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};
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const end = () => {
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setTimeout(() => {
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clearTimeout(timer);
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timer = null;
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endTime = null;
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totalCount = 0;
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}, 0);
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};
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return {
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start,
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end,
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error,
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result
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};
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}
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exports.usePolling = usePolling;
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