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frontend/node_modules/rc-table/es/hooks/useColumns/useWidthColumns.js

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+import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
+import * as React from 'react';
+function parseColWidth(totalWidth) {
+  var width = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+  if (typeof width === 'number') {
+    return width;
+  }
+  if (width.endsWith('%')) {
+    return totalWidth * parseFloat(width) / 100;
+  }
+  return null;
+}
+
+/**
+ * Fill all column with width
+ */
+export default function useWidthColumns(flattenColumns, scrollWidth, clientWidth) {
+  return React.useMemo(function () {
+    // Fill width if needed
+    if (scrollWidth && scrollWidth > 0) {
+      var totalWidth = 0;
+      var missWidthCount = 0;
+
+      // collect not given width column
+      flattenColumns.forEach(function (col) {
+        var colWidth = parseColWidth(scrollWidth, col.width);
+        if (colWidth) {
+          totalWidth += colWidth;
+        } else {
+          missWidthCount += 1;
+        }
+      });
+
+      // Fill width
+      var maxFitWidth = Math.max(scrollWidth, clientWidth);
+      var restWidth = Math.max(maxFitWidth - totalWidth, missWidthCount);
+      var restCount = missWidthCount;
+      var avgWidth = restWidth / missWidthCount;
+      var realTotal = 0;
+      var filledColumns = flattenColumns.map(function (col) {
+        var clone = _objectSpread({}, col);
+        var colWidth = parseColWidth(scrollWidth, clone.width);
+        if (colWidth) {
+          clone.width = colWidth;
+        } else {
+          var colAvgWidth = Math.floor(avgWidth);
+          clone.width = restCount === 1 ? restWidth : colAvgWidth;
+          restWidth -= colAvgWidth;
+          restCount -= 1;
+        }
+        realTotal += clone.width;
+        return clone;
+      });
+
+      // If realTotal is less than clientWidth,
+      // We need extend column width
+      if (realTotal < maxFitWidth) {
+        var scale = maxFitWidth / realTotal;
+        restWidth = maxFitWidth;
+        filledColumns.forEach(function (col, index) {
+          var colWidth = Math.floor(col.width * scale);
+          col.width = index === filledColumns.length - 1 ? restWidth : colWidth;
+          restWidth -= colWidth;
+        });
+      }
+      return [filledColumns, Math.max(realTotal, maxFitWidth)];
+    }
+    return [flattenColumns, scrollWidth];
+  }, [flattenColumns, scrollWidth, clientWidth]);
+}