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ng-zorro-antd

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An enterprise-class UI components based on Ant Design and Angular

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/** * @fileoverview added by tsickle * Generated from: textarea-caret-position.ts * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ // from https://github.com/component/textarea-caret-position // We'll copy the properties below into the mirror div. // Note that some browsers, such as Firefox, do not concatenate properties // into their shorthand (e.g. padding-top, padding-bottom etc. -> padding), // so we have to list every single property explicitly. /** @type {?} */ export const properties = [ 'direction', 'boxSizing', 'width', 'height', 'overflowX', 'overflowY', 'borderTopWidth', 'borderRightWidth', 'borderBottomWidth', 'borderLeftWidth', 'borderStyle', 'paddingTop', 'paddingRight', 'paddingBottom', 'paddingLeft', // https://developer.mozilla.org/en-US/docs/Web/CSS/font 'fontStyle', 'fontVariant', 'fontWeight', 'fontStretch', 'fontSize', 'fontSizeAdjust', 'lineHeight', 'fontFamily', 'textAlign', 'textTransform', 'textIndent', 'textDecoration', 'letterSpacing', 'wordSpacing', 'tabSize', 'MozTabSize' ]; /** @type {?} */ const isBrowser = typeof window !== 'undefined'; /** @type {?} */ const isFirefox = isBrowser && ((/** @type {?} */ (window))).mozInnerScreenX != null; /** @type {?} */ const _parseInt = (/** * @param {?} str * @return {?} */ (str) => parseInt(str, 10)); const ɵ0 = _parseInt; /** * @record */ export function Coordinates() { } if (false) { /** @type {?} */ Coordinates.prototype.top; /** @type {?} */ Coordinates.prototype.left; /** @type {?} */ Coordinates.prototype.height; } /** * @param {?} element * @param {?} position * @param {?=} options * @return {?} */ export function getCaretCoordinates(element, position, options) { if (!isBrowser) { throw new Error('textarea-caret-position#getCaretCoordinates should only be called in a browser'); } /** @type {?} */ const debug = (options && options.debug) || false; if (debug) { /** @type {?} */ const el = document.querySelector('#input-textarea-caret-position-mirror-div'); if (el) { (/** @type {?} */ (el.parentNode)).removeChild(el); } } // The mirror div will replicate the textarea's style /** @type {?} */ const div = document.createElement('div'); div.id = 'input-textarea-caret-position-mirror-div'; document.body.appendChild(div); /** @type {?} */ const style = div.style; /** @type {?} */ const computed = window.getComputedStyle ? window.getComputedStyle(element) : ((/** @type {?} */ (element))).currentStyle; // currentStyle for IE < 9 /** @type {?} */ const isInput = element.nodeName === 'INPUT'; // Default textarea styles style.whiteSpace = 'pre-wrap'; if (!isInput) { style.wordWrap = 'break-word'; // only for textarea-s } // Position off-screen style.position = 'absolute'; // required to return coordinates properly if (!debug) { style.visibility = 'hidden'; } // not 'display: none' because we want rendering // Transfer the element's properties to the div properties.forEach((/** * @param {?} prop * @return {?} */ (prop) => { if (isInput && prop === 'lineHeight') { // Special case for <input>s because text is rendered centered and line height may be != height style.lineHeight = computed.height; } else { // @ts-ignore style[prop] = computed[prop]; } })); if (isFirefox) { // Firefox lies about the overflow property for textareas: https://bugzilla.mozilla.org/show_bug.cgi?id=984275 if (element.scrollHeight > _parseInt(computed.height)) { style.overflowY = 'scroll'; } } else { style.overflow = 'hidden'; // for Chrome to not render a scrollbar; IE keeps overflowY = 'scroll' } div.textContent = element.value.substring(0, position); // The second special handling for input type="text" vs textarea: // spaces need to be replaced with non-breaking spaces - http://stackoverflow.com/a/13402035/1269037 if (isInput) { div.textContent = div.textContent.replace(/\s/g, '\u00a0'); } /** @type {?} */ const span = document.createElement('span'); // Wrapping must be replicated *exactly*, including when a long word gets // onto the next line, with whitespace at the end of the line before (#7). // The *only* reliable way to do that is to copy the *entire* rest of the // textarea's content into the <span> created at the caret position. // For inputs, just '.' would be enough, but no need to bother. span.textContent = element.value.substring(position) || '.'; // || because a completely empty faux span doesn't render at all div.appendChild(span); /** @type {?} */ const coordinates = { top: span.offsetTop + _parseInt(computed.borderTopWidth), left: span.offsetLeft + _parseInt(computed.borderLeftWidth), height: _parseInt(computed.lineHeight) }; if (debug) { span.style.backgroundColor = '#eee'; createDebugEle(element, coordinates); } else { document.body.removeChild(div); } return coordinates; } /** * @param {?} element * @param {?} coordinates * @return {?} */ export function createDebugEle(element, coordinates) { /** @type {?} */ const fontSize = getComputedStyle(element).getPropertyValue('font-size'); /** @type {?} */ const rect = ((/** @type {?} */ (document.querySelector('#DEBUG')))) || document.createElement('div'); document.body.appendChild(rect); rect.id = 'DEBUG'; rect.style.position = 'absolute'; rect.style.backgroundColor = 'red'; rect.style.height = fontSize; rect.style.width = '1px'; rect.style.top = `${element.getBoundingClientRect().top - element.scrollTop + window.pageYOffset + coordinates.top}px`; rect.style.left = `${element.getBoundingClientRect().left - element.scrollLeft + window.pageXOffset + coordinates.left}px`; } export { ɵ0 }; //# 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* @license\n * Copyright Alibaba.com All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\nimport { NzSafeAny } from 'ng-zorro-antd/core/types';\n\n// from https://github.com/component/textarea-caret-position\n\n// We'll copy the properties below into the mirror div.\n// Note that some browsers, such as Firefox, do not concatenate properties\n// into their shorthand (e.g. padding-top, padding-bottom etc. -> padding),\n// so we have to list every single property explicitly.\nexport const properties = [\n  'direction', // RTL support\n  'boxSizing',\n  'width', // on Chrome and IE, exclude the scrollbar, so the mirror div wraps exactly as the textarea does\n  'height',\n  'overflowX',\n  'overflowY', // copy the scrollbar for IE\n\n  'borderTopWidth',\n  'borderRightWidth',\n  'borderBottomWidth',\n  'borderLeftWidth',\n  'borderStyle',\n\n  'paddingTop',\n  'paddingRight',\n  'paddingBottom',\n  'paddingLeft',\n\n  // https://developer.mozilla.org/en-US/docs/Web/CSS/font\n  'fontStyle',\n  'fontVariant',\n  'fontWeight',\n  'fontStretch',\n  'fontSize',\n  'fontSizeAdjust',\n  'lineHeight',\n  'fontFamily',\n\n  'textAlign',\n  'textTransform',\n  'textIndent',\n  'textDecoration', // might not make a difference, but better be safe\n\n  'letterSpacing',\n  'wordSpacing',\n\n  'tabSize',\n  'MozTabSize'\n];\n\nconst isBrowser = typeof window !== 'undefined';\n\nconst isFirefox = isBrowser && (window as NzSafeAny).mozInnerScreenX != null;\n\nconst _parseInt = (str: string) => parseInt(str, 10);\n\nexport interface Coordinates {\n  top: number;\n  left: number;\n  height: number;\n}\n\nexport function getCaretCoordinates(\n  element: HTMLInputElement | HTMLTextAreaElement,\n  position: number,\n  options?: { debug?: boolean }\n): Coordinates {\n  if (!isBrowser) {\n    throw new Error('textarea-caret-position#getCaretCoordinates should only be called in a browser');\n  }\n\n  const debug = (options && options.debug) || false;\n  if (debug) {\n    const el = document.querySelector('#input-textarea-caret-position-mirror-div');\n    if (el) {\n      el.parentNode!.removeChild(el);\n    }\n  }\n\n  // The mirror div will replicate the textarea's style\n  const div = document.createElement('div');\n  div.id = 'input-textarea-caret-position-mirror-div';\n  document.body.appendChild(div);\n\n  const style = div.style;\n\n  const computed = window.getComputedStyle ? window.getComputedStyle(element) : (element as NzSafeAny).currentStyle; // currentStyle for IE < 9\n  const isInput = element.nodeName === 'INPUT';\n\n  // Default textarea styles\n  style.whiteSpace = 'pre-wrap';\n  if (!isInput) {\n    style.wordWrap = 'break-word'; // only for textarea-s\n  }\n\n  // Position off-screen\n  style.position = 'absolute'; // required to return coordinates properly\n  if (!debug) {\n    style.visibility = 'hidden';\n  } // not 'display: none' because we want rendering\n\n  // Transfer the element's properties to the div\n  properties.forEach((prop: string) => {\n    if (isInput && prop === 'lineHeight') {\n      // Special case for <input>s because text is rendered centered and line height may be != height\n      style.lineHeight = computed.height;\n    } else {\n      // @ts-ignore\n      style[prop] = computed[prop];\n    }\n  });\n\n  if (isFirefox) {\n    // Firefox lies about the overflow property for textareas: https://bugzilla.mozilla.org/show_bug.cgi?id=984275\n    if (element.scrollHeight > _parseInt(computed.height)) {\n      style.overflowY = 'scroll';\n    }\n  } else {\n    style.overflow = 'hidden'; // for Chrome to not render a scrollbar; IE keeps overflowY = 'scroll'\n  }\n\n  div.textContent = element.value.substring(0, position);\n  // The second special handling for input type=\"text\" vs textarea:\n  // spaces need to be replaced with non-breaking spaces - http://stackoverflow.com/a/13402035/1269037\n  if (isInput) {\n    div.textContent = div.textContent.replace(/\\s/g, '\\u00a0');\n  }\n\n  const span = document.createElement('span');\n  // Wrapping must be replicated *exactly*, including when a long word gets\n  // onto the next line, with whitespace at the end of the line before (#7).\n  // The  *only* reliable way to do that is to copy the *entire* rest of the\n  // textarea's content into the <span> created at the caret position.\n  // For inputs, just '.' would be enough, but no need to bother.\n  span.textContent = element.value.substring(position) || '.'; // || because a completely empty faux span doesn't render at all\n  div.appendChild(span);\n\n  const coordinates = {\n    top: span.offsetTop + _parseInt(computed.borderTopWidth),\n    left: span.offsetLeft + _parseInt(computed.borderLeftWidth),\n    height: _parseInt(computed.lineHeight)\n  };\n\n  if (debug) {\n    span.style.backgroundColor = '#eee';\n    createDebugEle(element, coordinates);\n  } else {\n    document.body.removeChild(div);\n  }\n\n  return coordinates;\n}\n\nexport function createDebugEle(element: HTMLInputElement | HTMLTextAreaElement, coordinates: Coordinates): void {\n  const fontSize = getComputedStyle(element).getPropertyValue('font-size');\n  const rect: HTMLSpanElement = (document.querySelector('#DEBUG') as HTMLSpanElement) || document.createElement('div');\n  document.body.appendChild(rect);\n  rect.id = 'DEBUG';\n  rect.style.position = 'absolute';\n  rect.style.backgroundColor = 'red';\n  rect.style.height = fontSize;\n  rect.style.width = '1px';\n  rect.style.top = `${element.getBoundingClientRect().top - element.scrollTop + window.pageYOffset + coordinates.top}px`;\n  rect.style.left = `${element.getBoundingClientRect().left - element.scrollLeft + window.pageXOffset + coordinates.left}px`;\n}\n"]}