antd-mobile/es/components/virtual-input/virtual-input.js

import { useIsomorphicLayoutEffect } from 'ahooks';
import { CloseCircleFill } from 'antd-mobile-icons';
import classNames from 'classnames';
import React, { forwardRef, useEffect, useImperativeHandle, useRef, useState } from 'react';
import { withNativeProps } from '../../utils/native-props';
import { usePropsValue } from '../../utils/use-props-value';
import { mergeProp, mergeProps } from '../../utils/with-default-props';
import { useConfig } from '../config-provider';
const classPrefix = 'adm-virtual-input';
const defaultProps = {
  defaultValue: ''
};
export const VirtualInput = forwardRef((props, ref) => {
  const {
    locale,
    input: componentConfig = {}
  } = useConfig();
  const mergedProps = mergeProps(defaultProps, componentConfig, props);
  const [value, setValue] = usePropsValue(mergedProps);
  const rootRef = useRef(null);
  const contentRef = useRef(null);
  const [hasFocus, setHasFocus] = useState(false);
  const clearIcon = mergeProp(React.createElement(CloseCircleFill, null), componentConfig.clearIcon, props.clearIcon);
  function scrollToEnd() {
    const root = rootRef.current;
    if (!root) return;
    if (document.activeElement !== root) {
      return;
    }
    const content = contentRef.current;
    if (!content) return;
    content.scrollLeft = content.clientWidth;
  }
  useIsomorphicLayoutEffect(() => {
    scrollToEnd();
  }, [value]);
  useEffect(() => {
    if (hasFocus) {
      scrollToEnd();
    }
  }, [hasFocus]);
  useImperativeHandle(ref, () => ({
    focus: () => {
      var _a;
      (_a = rootRef.current) === null || _a === void 0 ? void 0 : _a.focus();
    },
    blur: () => {
      var _a;
      (_a = rootRef.current) === null || _a === void 0 ? void 0 : _a.blur();
    }
  }));
  function onFocus() {
    var _a;
    setHasFocus(true);
    (_a = mergedProps.onFocus) === null || _a === void 0 ? void 0 : _a.call(mergedProps);
  }
  function onBlur() {
    var _a;
    setHasFocus(false);
    (_a = mergedProps.onBlur) === null || _a === void 0 ? void 0 : _a.call(mergedProps);
  }
  const keyboard = mergedProps.keyboard;
  const keyboardElement = keyboard && React.cloneElement(keyboard, {
    onInput: v => {
      var _a, _b;
      setValue(value + v);
      (_b = (_a = keyboard.props).onInput) === null || _b === void 0 ? void 0 : _b.call(_a, v);
    },
    onDelete: () => {
      var _a, _b;
      setValue(value.slice(0, -1));
      (_b = (_a = keyboard.props).onDelete) === null || _b === void 0 ? void 0 : _b.call(_a);
    },
    visible: hasFocus,
    onClose: () => {
      var _a, _b, _c, _d;
      const activeElement = document.activeElement;
      // Long press makes `activeElement` to be the child of rootRef
      // We will trigger blur on the child element instead
      if (activeElement && ((_a = rootRef.current) === null || _a === void 0 ? void 0 : _a.contains(activeElement))) {
        activeElement.blur();
      } else {
        (_b = rootRef.current) === null || _b === void 0 ? void 0 : _b.blur();
      }
      (_d = (_c = keyboard.props).onClose) === null || _d === void 0 ? void 0 : _d.call(_c);
    },
    getContainer: null
  });
  return withNativeProps(mergedProps, React.createElement("div", {
    ref: rootRef,
    className: classNames(classPrefix, {
      [`${classPrefix}-disabled`]: mergedProps.disabled
    }),
    tabIndex: mergedProps.disabled ? undefined : 0,
    role: 'textbox',
    onFocus: onFocus,
    onBlur: onBlur,
    onClick: mergedProps.onClick
  }, React.createElement("div", {
    className: `${classPrefix}-content`,
    ref: contentRef,
    "aria-disabled": mergedProps.disabled,
    "aria-label": mergedProps.placeholder
  }, value, React.createElement("div", {
    className: `${classPrefix}-caret-container`
  }, hasFocus && React.createElement("div", {
    className: `${classPrefix}-caret`
  }))), mergedProps.clearable && !!value && hasFocus && React.createElement("div", {
    className: `${classPrefix}-clear`,
    onClick: e => {
      var _a;
      e.stopPropagation();
      setValue('');
      (_a = mergedProps.onClear) === null || _a === void 0 ? void 0 : _a.call(mergedProps);
    },
    role: 'button',
    "aria-label": locale.Input.clear
  }, clearIcon), [undefined, null, ''].includes(value) && React.createElement("div", {
    className: `${classPrefix}-placeholder`
  }, mergedProps.placeholder), keyboardElement));
});