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甲情_甲意/miniprogram/node_modules/antd-mini/less/Stepper/utils.js

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+export function getPrecision(value) {
+    var valueString = String(value);
+    if (valueString.indexOf('e-') >= 0) {
+        return parseInt(valueString.slice(valueString.indexOf('e-') + 2), 10);
+    }
+    var p = 0;
+    if (valueString.indexOf('.') >= 0) {
+        p = valueString.length - valueString.indexOf('.') - 1;
+    }
+    return p;
+}
+export function getValidNumber(value, min, max, step, precision) {
+    if (min === void 0) { min = -Infinity; }
+    if (max === void 0) { max = Infinity; }
+    if (typeof value === 'undefined' || value === null) {
+        return {
+            valid: true,
+            value: '',
+        };
+    }
+    var num;
+    if (typeof value === 'string') {
+        if (/^\s*$/.test(value)) {
+            return {
+                valid: true,
+                value: '',
+            };
+        }
+        if (!isNaN(Number(value))) {
+            num = Number(value);
+        }
+    }
+    else {
+        num = value;
+    }
+    if (num > max) {
+        num = max;
+    }
+    else if (num < min) {
+        num = min;
+    }
+    if (typeof num === 'number' && !isNaN(num)) {
+        if (typeof precision === 'number' && precision >= 0) {
+            return {
+                valid: true,
+                value: num.toFixed(precision),
+            };
+        }
+        precision = Math.max(getPrecision(num), getPrecision(step));
+        return {
+            valid: true,
+            value: num.toFixed(precision),
+        };
+    }
+    return {
+        valid: false,
+    };
+}