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frontend/node_modules/antd/lib/spin/usePercent.js

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+"use strict";
+
+var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = usePercent;
+var React = _interopRequireWildcard(require("react"));
+const AUTO_INTERVAL = 200;
+const STEP_BUCKETS = [[30, 0.05], [70, 0.03], [96, 0.01]];
+function usePercent(spinning, percent) {
+  const [mockPercent, setMockPercent] = React.useState(0);
+  const mockIntervalRef = React.useRef(null);
+  const isAuto = percent === 'auto';
+  React.useEffect(() => {
+    if (isAuto && spinning) {
+      setMockPercent(0);
+      mockIntervalRef.current = setInterval(() => {
+        setMockPercent(prev => {
+          const restPTG = 100 - prev;
+          for (let i = 0; i < STEP_BUCKETS.length; i += 1) {
+            const [limit, stepPtg] = STEP_BUCKETS[i];
+            if (prev <= limit) {
+              return prev + restPTG * stepPtg;
+            }
+          }
+          return prev;
+        });
+      }, AUTO_INTERVAL);
+    }
+    return () => {
+      if (mockIntervalRef.current) {
+        clearInterval(mockIntervalRef.current);
+        mockIntervalRef.current = null;
+      }
+    };
+  }, [isAuto, spinning]);
+  return isAuto ? mockPercent : percent;
+}