fix: should pass prefixCls correctly

components/affix/index.tsx

@@ -2,8 +2,8 @@ import * as React from 'react';
 import * as ReactDOM from 'react-dom';
 import addEventListener from 'rc-util/lib/Dom/addEventListener';
 import classNames from 'classnames';
-import assign from 'object-assign';
 import shallowequal from 'shallowequal';
+import omit from 'omit.js';
 
 function getScroll(target, top) {
   const prop = top ? 'pageYOffset' : 'pageXOffset';
@@ -220,10 +220,7 @@ export default class Affix extends React.Component<AffixProps, any> {
       [this.props.prefixCls]: this.state.affixStyle,
     });
 
-    const props = assign({}, this.props);
-    delete props.offsetTop;
-    delete props.offsetBottom;
-    delete props.target;
+    const props = omit(this.props, ['prefixCls', 'offsetTop', 'offsetBottom', 'target']);
 
     return (
       <div {...props} style={this.state.placeholderStyle}>

components/cascader/index.tsx

@@ -234,15 +234,15 @@ export default class Cascader extends React.Component<CascaderProps, any> {
   render() {
     const props = this.props;
     const state = this.state;
-    const [{ prefixCls, children, placeholder, size, disabled,
+    const [{ prefixCls, inputPrefixCls, children, placeholder, size, disabled,
       className, style, allowClear, showSearch }, otherProps] = splitObject(props,
-      ['prefixCls', 'children', 'placeholder', 'size', 'disabled', 'className',
-       'style', 'allowClear', 'showSearch']);
+      ['prefixCls', 'inputPrefixCls', 'children', 'placeholder', 'size', 'disabled',
+        'className', 'style', 'allowClear', 'showSearch']);
     const value = state.value;
 
     const sizeCls = classNames({
-      [`${props.inputPrefixCls}-lg`]: size === 'large',
-      [`${props.inputPrefixCls}-sm`]: size === 'small',
+      [`${inputPrefixCls}-lg`]: size === 'large',
+      [`${inputPrefixCls}-sm`]: size === 'small',
     });
     const clearIcon = (allowClear && !disabled && value.length > 0) || state.inputValue ?
       <Icon type="cross-circle"

components/table/Table.tsx

@@ -850,6 +850,7 @@ export default class Table extends React.Component<TableProps, any> {
 
     let table = (
       <RcTable {...restProps}
+        prefixCls={prefixCls}
         data={data}
         columns={columns}
         className={classString}