ant-design-vue/components/input/calculateNodeHeight.tsx

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// Thanks to https://github.com/andreypopp/react-textarea-autosize/
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import type { CSSProperties } from 'vue';
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/**
* calculateNodeHeight(uiTextNode, useCache = false)
*/
const HIDDEN_TEXTAREA_STYLE = `
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min-height:0 !important;
max-height:none !important;
height:0 !important;
visibility:hidden !important;
overflow:hidden !important;
position:absolute !important;
z-index:-1000 !important;
top:0 !important;
right:0 !important
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`;
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const SIZING_STYLE = [
'letter-spacing',
'line-height',
'padding-top',
'padding-bottom',
'font-family',
'font-weight',
'font-size',
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'font-variant',
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'text-rendering',
'text-transform',
'width',
'text-indent',
'padding-left',
'padding-right',
'border-width',
'box-sizing',
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'word-break',
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];
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export interface NodeType {
sizingStyle: string;
paddingSize: number;
borderSize: number;
boxSizing: string;
}
const computedStyleCache: { [key: string]: NodeType } = {};
let hiddenTextarea: HTMLTextAreaElement;
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export function calculateNodeStyling(node: HTMLElement, useCache = false) {
const nodeRef = (node.getAttribute('id') ||
node.getAttribute('data-reactid') ||
node.getAttribute('name')) as string;
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if (useCache && computedStyleCache[nodeRef]) {
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return computedStyleCache[nodeRef];
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}
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const style = window.getComputedStyle(node);
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const boxSizing =
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style.getPropertyValue('box-sizing') ||
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style.getPropertyValue('-moz-box-sizing') ||
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style.getPropertyValue('-webkit-box-sizing');
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const paddingSize =
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parseFloat(style.getPropertyValue('padding-bottom')) +
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parseFloat(style.getPropertyValue('padding-top'));
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const borderSize =
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parseFloat(style.getPropertyValue('border-bottom-width')) +
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parseFloat(style.getPropertyValue('border-top-width'));
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const sizingStyle = SIZING_STYLE.map(name => `${name}:${style.getPropertyValue(name)}`).join(';');
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const nodeInfo: NodeType = {
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sizingStyle,
paddingSize,
borderSize,
boxSizing,
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};
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if (useCache && nodeRef) {
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computedStyleCache[nodeRef] = nodeInfo;
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}
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return nodeInfo;
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}
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export default function calculateNodeHeight(
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uiTextNode: HTMLTextAreaElement,
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useCache = false,
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minRows: number | null = null,
maxRows: number | null = null,
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): CSSProperties {
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if (!hiddenTextarea) {
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hiddenTextarea = document.createElement('textarea');
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hiddenTextarea.setAttribute('tab-index', '-1');
hiddenTextarea.setAttribute('aria-hidden', 'true');
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document.body.appendChild(hiddenTextarea);
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}
// Fix wrap="off" issue
// https://github.com/ant-design/ant-design/issues/6577
if (uiTextNode.getAttribute('wrap')) {
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hiddenTextarea.setAttribute('wrap', uiTextNode.getAttribute('wrap') as string);
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} else {
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hiddenTextarea.removeAttribute('wrap');
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}
// Copy all CSS properties that have an impact on the height of the content in
// the textbox
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const { paddingSize, borderSize, boxSizing, sizingStyle } = calculateNodeStyling(
uiTextNode,
useCache,
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);
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// Need to have the overflow attribute to hide the scrollbar otherwise
// text-lines will not calculated properly as the shadow will technically be
// narrower for content
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hiddenTextarea.setAttribute('style', `${sizingStyle};${HIDDEN_TEXTAREA_STYLE}`);
hiddenTextarea.value = uiTextNode.value || uiTextNode.placeholder || '';
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let minHeight = Number.MIN_SAFE_INTEGER;
let maxHeight = Number.MAX_SAFE_INTEGER;
let height = hiddenTextarea.scrollHeight;
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let overflowY: any;
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if (boxSizing === 'border-box') {
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// border-box: add border, since height = content + padding + border
Feat 1.5.0 (#1853) * feat: add Result component * fix: update md template tag html>tpl - fix `result` typo - update jest `result` snapshots * refactor: svg file to functional component icon - update jest snapshot * feat: add result * Feat descriptions (#1251) * feat: add descriptions * fix: add descriptions types and fix docs * fix: lint change code * fix: demo warning * fix: update demo, snapshot and remove classnames * test: add descriptions test * fix: descriptions demo (#1498) * feat: add page header (#1250) * feat: add page-header component * update site: page-header * ts definition update: page-header * get page-header props with getComponentFromProp func * optimize page-header * doc: add page-header actions.md responsive.md * breadcrumb itemRender add pure function support * style: format code * feat: update style to 3.23.6 from 2.13.6 * feat: update style to 3.26.8 from 3.23.6 * chore: update util * chore: update util * feat: update affix * feat: update alert * feat: update anchor * feat: update auto-complete * feat: update avatar * feat: update back-top * feat: update badge * feat: update button * feat: update breadcrumb * feat: update ts * docs: update doc * feat: update calendat * feat: update card * feat: update carousel * feat: update carousel * feat: update checkbox * feat: update comment * feat: update config-provider * docs: update doc * feat: update collapse * feat: update locale * feat: update date-picker * feat: update divider * feat: update drawer * feat: update dropdown * feat: update rc-trigger * feat: update dropdown * feat: update empty * test: add empty test * feat: update form * feat: update form * feat: update spin * feat: update grid * docs: update grid doc * feat: update icon * feat: update slider * feat: update textarea * feat: update input-number * feat: update layout * feat: update list * feat: update menu * feat: meaage add key for update content * feat: modal add closeIcon support * feat: update notification * feat: add pagination disabled support * feat: popconfirm add disabled support * test: update popover * feat: progress support custom line-gradiend * feat: update radio * test: update radio test * docs: update rate demo * feat: skeleton add avatar support number type * test: add switch test * test: update statistic test * fix: input clear icon event * feat: steps add type、 v-model、subTitle * feat: delete typography component * feat: delete Typography style * perf: update select * feat: add download transformFile previewFile actio * docs: update upload * feat: update tree-select * docs: update tree-select * feat: tree add blockNode selectable * docs: add tree demo * test: update snap * docs: updatedoc * feat: update tag * docs: update ad doc * feat: update tooltip * feat: update timeline * feat: time-picker add clearIcon * docs: update tabs * feat: transfer support custom children * test: update transfer test * feat: update table * test: update table test * test: update test * feat: calendar update locale * test: update test snap * feat: add mentions (#1790) * feat: mentions style * feat: theme default * feat: add mentions component * feat: mentions API * feat: add unit test for mentions * feat: update mentions demo * perf: model and inheritAttrs for mentions * perf: use getComponentFromProp instead of this.$props * perf: mentions rm defaultProps * feat: rm rows in mentionsProps * fix: mentions keyDown didn't work * docs: update mentions api * perf: mentions code * feat: update mentions * bump 1.5.0-alpha.1 * feat: pageheader add ghost prop * docs: update descriptions demo * chore: page-header add ghost type * fix: color error * feat: update to 3.26.12 * fix: some prop default value * fix(typo): form, carousel, upload. duplicate identifier (#1848) * Add Mentions Type (#1845) * feat: add mentions type * feat: add mentions in ant-design-vue.d.ts * docs: update doc * docs: add changelog * fix: mentions getPopupCotainer value (#1850) * docs: update doc * docs: uptate demo * docs: update demo * docs: delete demo * docs: delete doc * test: update snapshots * style: format code * chore: update travis * docs: update demo Co-authored-by: Sendya <18x@loacg.com> Co-authored-by: zkwolf <chenhao5866@gmail.com> Co-authored-by: drafish <xwlyy1991@163.com> Co-authored-by: Amour1688 <31695475+Amour1688@users.noreply.github.com>
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height += borderSize;
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} else if (boxSizing === 'content-box') {
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// remove padding, since height = content
Feat 1.5.0 (#1853) * feat: add Result component * fix: update md template tag html>tpl - fix `result` typo - update jest `result` snapshots * refactor: svg file to functional component icon - update jest snapshot * feat: add result * Feat descriptions (#1251) * feat: add descriptions * fix: add descriptions types and fix docs * fix: lint change code * fix: demo warning * fix: update demo, snapshot and remove classnames * test: add descriptions test * fix: descriptions demo (#1498) * feat: add page header (#1250) * feat: add page-header component * update site: page-header * ts definition update: page-header * get page-header props with getComponentFromProp func * optimize page-header * doc: add page-header actions.md responsive.md * breadcrumb itemRender add pure function support * style: format code * feat: update style to 3.23.6 from 2.13.6 * feat: update style to 3.26.8 from 3.23.6 * chore: update util * chore: update util * feat: update affix * feat: update alert * feat: update anchor * feat: update auto-complete * feat: update avatar * feat: update back-top * feat: update badge * feat: update button * feat: update breadcrumb * feat: update ts * docs: update doc * feat: update calendat * feat: update card * feat: update carousel * feat: update carousel * feat: update checkbox * feat: update comment * feat: update config-provider * docs: update doc * feat: update collapse * feat: update locale * feat: update date-picker * feat: update divider * feat: update drawer * feat: update dropdown * feat: update rc-trigger * feat: update dropdown * feat: update empty * test: add empty test * feat: update form * feat: update form * feat: update spin * feat: update grid * docs: update grid doc * feat: update icon * feat: update slider * feat: update textarea * feat: update input-number * feat: update layout * feat: update list * feat: update menu * feat: meaage add key for update content * feat: modal add closeIcon support * feat: update notification * feat: add pagination disabled support * feat: popconfirm add disabled support * test: update popover * feat: progress support custom line-gradiend * feat: update radio * test: update radio test * docs: update rate demo * feat: skeleton add avatar support number type * test: add switch test * test: update statistic test * fix: input clear icon event * feat: steps add type、 v-model、subTitle * feat: delete typography component * feat: delete Typography style * perf: update select * feat: add download transformFile previewFile actio * docs: update upload * feat: update tree-select * docs: update tree-select * feat: tree add blockNode selectable * docs: add tree demo * test: update snap * docs: updatedoc * feat: update tag * docs: update ad doc * feat: update tooltip * feat: update timeline * feat: time-picker add clearIcon * docs: update tabs * feat: transfer support custom children * test: update transfer test * feat: update table * test: update table test * test: update test * feat: calendar update locale * test: update test snap * feat: add mentions (#1790) * feat: mentions style * feat: theme default * feat: add mentions component * feat: mentions API * feat: add unit test for mentions * feat: update mentions demo * perf: model and inheritAttrs for mentions * perf: use getComponentFromProp instead of this.$props * perf: mentions rm defaultProps * feat: rm rows in mentionsProps * fix: mentions keyDown didn't work * docs: update mentions api * perf: mentions code * feat: update mentions * bump 1.5.0-alpha.1 * feat: pageheader add ghost prop * docs: update descriptions demo * chore: page-header add ghost type * fix: color error * feat: update to 3.26.12 * fix: some prop default value * fix(typo): form, carousel, upload. duplicate identifier (#1848) * Add Mentions Type (#1845) * feat: add mentions type * feat: add mentions in ant-design-vue.d.ts * docs: update doc * docs: add changelog * fix: mentions getPopupCotainer value (#1850) * docs: update doc * docs: uptate demo * docs: update demo * docs: delete demo * docs: delete doc * test: update snapshots * style: format code * chore: update travis * docs: update demo Co-authored-by: Sendya <18x@loacg.com> Co-authored-by: zkwolf <chenhao5866@gmail.com> Co-authored-by: drafish <xwlyy1991@163.com> Co-authored-by: Amour1688 <31695475+Amour1688@users.noreply.github.com>
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height -= paddingSize;
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}
if (minRows !== null || maxRows !== null) {
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// measure height of a textarea with a single row
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hiddenTextarea.value = ' ';
const singleRowHeight = hiddenTextarea.scrollHeight - paddingSize;
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if (minRows !== null) {
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minHeight = singleRowHeight * minRows;
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if (boxSizing === 'border-box') {
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minHeight = minHeight + paddingSize + borderSize;
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}
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height = Math.max(minHeight, height);
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}
if (maxRows !== null) {
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maxHeight = singleRowHeight * maxRows;
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if (boxSizing === 'border-box') {
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maxHeight = maxHeight + paddingSize + borderSize;
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}
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overflowY = height > maxHeight ? '' : 'hidden';
height = Math.min(maxHeight, height);
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}
}
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return {
height: `${height}px`,
minHeight: `${minHeight}px`,
maxHeight: `${maxHeight}px`,
overflowY,
resize: 'none',
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};
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}