ResizableTextArea.js 6.1 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  3. Object.defineProperty(exports, "__esModule", {
  4. value: true
  5. });
  6. exports.default = void 0;
  7. var _vue = require("vue");
  8. var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
  9. var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
  10. var _vcResizeObserver = _interopRequireDefault(require("../vc-resize-observer"));
  11. var _classNames = _interopRequireDefault(require("../_util/classNames"));
  12. var _raf = _interopRequireDefault(require("../_util/raf"));
  13. var _warning = _interopRequireDefault(require("../_util/warning"));
  14. var _omit = _interopRequireDefault(require("../_util/omit"));
  15. var _inputProps = require("./inputProps");
  16. var _calculateNodeHeight = _interopRequireDefault(require("./calculateNodeHeight"));
  17. var _BaseInput = _interopRequireDefault(require("../_util/BaseInput"));
  18. const RESIZE_START = 0;
  19. const RESIZE_MEASURING = 1;
  20. const RESIZE_STABLE = 2;
  21. const ResizableTextArea = (0, _vue.defineComponent)({
  22. compatConfig: {
  23. MODE: 3
  24. },
  25. name: 'ResizableTextArea',
  26. inheritAttrs: false,
  27. props: (0, _inputProps.textAreaProps)(),
  28. setup(props, _ref) {
  29. let {
  30. attrs,
  31. emit,
  32. expose
  33. } = _ref;
  34. let nextFrameActionId;
  35. let resizeFrameId;
  36. const textAreaRef = (0, _vue.ref)();
  37. const textareaStyles = (0, _vue.ref)({});
  38. const resizeStatus = (0, _vue.ref)(RESIZE_STABLE);
  39. (0, _vue.onBeforeUnmount)(() => {
  40. _raf.default.cancel(nextFrameActionId);
  41. _raf.default.cancel(resizeFrameId);
  42. });
  43. // https://github.com/ant-design/ant-design/issues/21870
  44. const fixFirefoxAutoScroll = () => {
  45. try {
  46. if (textAreaRef.value && document.activeElement === textAreaRef.value.input) {
  47. const currentStart = textAreaRef.value.getSelectionStart();
  48. const currentEnd = textAreaRef.value.getSelectionEnd();
  49. const scrollTop = textAreaRef.value.getScrollTop();
  50. textAreaRef.value.setSelectionRange(currentStart, currentEnd);
  51. textAreaRef.value.setScrollTop(scrollTop);
  52. }
  53. } catch (e) {
  54. // Fix error in Chrome:
  55. // Failed to read the 'selectionStart' property from 'HTMLInputElement'
  56. // http://stackoverflow.com/q/21177489/3040605
  57. }
  58. };
  59. const minRows = (0, _vue.ref)();
  60. const maxRows = (0, _vue.ref)();
  61. (0, _vue.watchEffect)(() => {
  62. const autoSize = props.autoSize || props.autosize;
  63. if (autoSize) {
  64. minRows.value = autoSize.minRows;
  65. maxRows.value = autoSize.maxRows;
  66. } else {
  67. minRows.value = undefined;
  68. maxRows.value = undefined;
  69. }
  70. });
  71. const needAutoSize = (0, _vue.computed)(() => !!(props.autoSize || props.autosize));
  72. const startResize = () => {
  73. resizeStatus.value = RESIZE_START;
  74. };
  75. (0, _vue.watch)([() => props.value, minRows, maxRows, needAutoSize], () => {
  76. if (needAutoSize.value) {
  77. startResize();
  78. }
  79. }, {
  80. immediate: true
  81. });
  82. const autoSizeStyle = (0, _vue.ref)();
  83. (0, _vue.watch)([resizeStatus, textAreaRef], () => {
  84. if (!textAreaRef.value) return;
  85. if (resizeStatus.value === RESIZE_START) {
  86. resizeStatus.value = RESIZE_MEASURING;
  87. } else if (resizeStatus.value === RESIZE_MEASURING) {
  88. const textareaStyles = (0, _calculateNodeHeight.default)(textAreaRef.value.input, false, minRows.value, maxRows.value);
  89. resizeStatus.value = RESIZE_STABLE;
  90. autoSizeStyle.value = textareaStyles;
  91. } else {
  92. fixFirefoxAutoScroll();
  93. }
  94. }, {
  95. immediate: true,
  96. flush: 'post'
  97. });
  98. const instance = (0, _vue.getCurrentInstance)();
  99. const resizeRafRef = (0, _vue.ref)();
  100. const cleanRaf = () => {
  101. _raf.default.cancel(resizeRafRef.value);
  102. };
  103. const onInternalResize = size => {
  104. if (resizeStatus.value === RESIZE_STABLE) {
  105. emit('resize', size);
  106. if (needAutoSize.value) {
  107. cleanRaf();
  108. resizeRafRef.value = (0, _raf.default)(() => {
  109. startResize();
  110. });
  111. }
  112. }
  113. };
  114. (0, _vue.onBeforeUnmount)(() => {
  115. cleanRaf();
  116. });
  117. const resizeTextarea = () => {
  118. startResize();
  119. };
  120. expose({
  121. resizeTextarea,
  122. textArea: (0, _vue.computed)(() => {
  123. var _a;
  124. return (_a = textAreaRef.value) === null || _a === void 0 ? void 0 : _a.input;
  125. }),
  126. instance
  127. });
  128. (0, _warning.default)(props.autosize === undefined, 'Input.TextArea', 'autosize is deprecated, please use autoSize instead.');
  129. const renderTextArea = () => {
  130. const {
  131. prefixCls,
  132. disabled
  133. } = props;
  134. const otherProps = (0, _omit.default)(props, ['prefixCls', 'onPressEnter', 'autoSize', 'autosize', 'defaultValue', 'allowClear', 'type', 'maxlength', 'valueModifiers']);
  135. const cls = (0, _classNames.default)(prefixCls, attrs.class, {
  136. [`${prefixCls}-disabled`]: disabled
  137. });
  138. const mergedAutoSizeStyle = needAutoSize.value ? autoSizeStyle.value : null;
  139. const style = [attrs.style, textareaStyles.value, mergedAutoSizeStyle];
  140. const textareaProps = (0, _extends2.default)((0, _extends2.default)((0, _extends2.default)({}, otherProps), attrs), {
  141. style,
  142. class: cls
  143. });
  144. if (resizeStatus.value === RESIZE_START || resizeStatus.value === RESIZE_MEASURING) {
  145. style.push({
  146. overflowX: 'hidden',
  147. overflowY: 'hidden'
  148. });
  149. }
  150. if (!textareaProps.autofocus) {
  151. delete textareaProps.autofocus;
  152. }
  153. if (textareaProps.rows === 0) {
  154. delete textareaProps.rows;
  155. }
  156. return (0, _vue.createVNode)(_vcResizeObserver.default, {
  157. "onResize": onInternalResize,
  158. "disabled": !needAutoSize.value
  159. }, {
  160. default: () => [(0, _vue.createVNode)(_BaseInput.default, (0, _objectSpread2.default)((0, _objectSpread2.default)({}, textareaProps), {}, {
  161. "ref": textAreaRef,
  162. "tag": "textarea"
  163. }), null)]
  164. });
  165. };
  166. return () => {
  167. return renderTextArea();
  168. };
  169. }
  170. });
  171. var _default = exports.default = ResizableTextArea;