更新

2026-08-11 17:41:36 +08:00
parent cfe4c82c90
commit 03fe4ddf9d
18771 changed files with 3617239 additions and 0 deletions
@@ -0,0 +1,25 @@
+var isStr = require('./isStr');
+var toNum = require('./toNum');
+exports = function(bytes) {
+    if (isStr(bytes)) {
+        var match = bytes.match(regStrSize);
+        if (!match) return 0;
+        return Math.round(toNum(match[1]) * factor[match[2] || 'B']);
+    } else {
+        if (bytes <= 0) return '0';
+        var suffixIdx = Math.floor(Math.log(bytes) / Math.log(1024));
+        var val = bytes / Math.pow(2, suffixIdx * 10);
+        return +val.toFixed(2) + suffixList[suffixIdx];
+    }
+};
+var factor = {
+    B: 1,
+    K: 1024
+};
+factor.M = factor.K * 1024;
+factor.G = factor.M * 1024;
+factor.T = factor.G * 1024;
+var suffixList = ['', 'K', 'M', 'G', 'T'];
+var regStrSize = /^(\d+(?:\.\d+)?) *(K|M|G|T)?$/;
+
+module.exports = exports;