658 lines
15 KiB
TypeScript
658 lines
15 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {elementEnd, elementStart, elementStyle, elementStyleProp, elementStyling, elementStylingApply} from '../../src/render3/instructions';
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import {InitialStylingFlags, RenderFlags} from '../../src/render3/interfaces/definition';
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import {LElementNode} from '../../src/render3/interfaces/node';
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import {Renderer3} from '../../src/render3/interfaces/renderer';
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import {StylingContext, StylingFlags, StylingIndex, allocStylingContext, createStylingContextTemplate, isContextDirty, renderStyles as _renderStyles, setContextDirty, updateStyleMap, updateStyleProp} from '../../src/render3/styling';
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import {renderToHtml} from './render_util';
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describe('styling', () => {
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let lElement: LElementNode|null = null;
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beforeEach(() => { lElement = { native: {} } as any; });
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function initContext(styles?: (number | string)[]): StylingContext {
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return allocStylingContext(createStylingContextTemplate(styles));
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}
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function renderStyles(context: StylingContext, renderer?: Renderer3) {
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const styles: {[key: string]: any} = {};
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_renderStyles(lElement !, context, (renderer || {}) as Renderer3, styles);
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return styles;
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}
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function trackStylesFactory() {
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const styles: {[key: string]: any} = {};
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return function(context: StylingContext, renderer?: Renderer3): {[key: string]: any} {
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_renderStyles(lElement !, context, (renderer || {}) as Renderer3, styles);
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return styles;
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};
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}
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function clean(a: number = 0, b: number = 0): number {
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let num = 0;
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if (a) {
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num |= a << StylingFlags.BitCountSize;
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}
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if (b) {
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num |= b << (StylingFlags.BitCountSize + StylingIndex.BitCountSize);
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}
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return num;
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}
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function dirty(a: number = 0, b: number = 0): number { return clean(a, b) | StylingFlags.Dirty; }
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describe('createStylingContextTemplate', () => {
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it('should initialize empty template', () => {
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const template = createStylingContextTemplate();
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expect(template).toEqual([
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[null],
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clean(0, 2),
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]);
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});
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it('should initialize static styles', () => {
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debugger;
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const template = createStylingContextTemplate(
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[InitialStylingFlags.INITIAL_STYLES, 'color', 'red', 'width', '10px']);
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expect(template).toEqual([
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[null, 'red', '10px'],
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dirty(0, 8), //
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// #2
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clean(1, 8),
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'color',
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null,
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// #5
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clean(2, 11),
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'width',
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null,
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// #8
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dirty(1, 2),
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'color',
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null,
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// #11
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dirty(2, 5),
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'width',
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null,
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]);
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});
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});
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describe('instructions', () => {
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it('should handle a combination of initial, multi and singular style values (in that order)',
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() => {
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function Template(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'span');
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elementStyling(1, [
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'width', 'height', 'opacity', //
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0, 'width', '100px', 'height', '100px', 'opacity', '0.5'
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]);
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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elementStyle(1, ctx.myStyles);
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elementStyleProp(1, 0, ctx.myWidth);
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elementStylingApply(1);
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}
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}
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expect(renderToHtml(Template, {
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myStyles: {width: '200px', height: '200px'},
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myWidth: '300px'
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})).toEqual('<span style="width: 300px; height: 200px; opacity: 0.5;"></span>');
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expect(renderToHtml(Template, {myStyles: {width: '200px', height: null}, myWidth: null}))
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.toEqual('<span style="width: 200px; height: 100px; opacity: 0.5;"></span>');
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});
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});
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describe('helper functions', () => {
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it('should build a list of multiple styling values', () => {
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const getStyles = trackStylesFactory();
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const stylingContext = initContext();
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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updateStyleMap(stylingContext, {height: '200px'});
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expect(getStyles(stylingContext)).toEqual({width: null, height: '200px'});
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});
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it('should evaluate the delta between style changes when rendering occurs', () => {
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const stylingContext = initContext(['width', 'height', 0, 'width', '100px']);
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updateStyleMap(stylingContext, {
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height: '200px',
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});
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expect(renderStyles(stylingContext)).toEqual({width: '100px', height: '200px'});
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expect(renderStyles(stylingContext)).toEqual({});
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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expect(renderStyles(stylingContext)).toEqual({height: '100px'});
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updateStyleProp(stylingContext, 1, '100px');
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expect(renderStyles(stylingContext)).toEqual({});
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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expect(renderStyles(stylingContext)).toEqual({});
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});
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it('should update individual values on a set of styles', () => {
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const getStyles = trackStylesFactory();
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const stylingContext = initContext(['width', 'height']);
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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updateStyleProp(stylingContext, 1, '200px');
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expect(getStyles(stylingContext)).toEqual({width: '100px', height: '200px'});
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});
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it('should only mark itself as updated when one or more properties have been applied', () => {
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const stylingContext = initContext();
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expect(isContextDirty(stylingContext)).toBeFalsy();
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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expect(isContextDirty(stylingContext)).toBeTruthy();
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setContextDirty(stylingContext, false);
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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expect(isContextDirty(stylingContext)).toBeFalsy();
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updateStyleMap(stylingContext, {
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width: '200px',
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height: '100px',
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});
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expect(isContextDirty(stylingContext)).toBeTruthy();
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});
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it('should only mark itself as updated when any single properties have been applied', () => {
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const stylingContext = initContext(['height']);
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updateStyleMap(stylingContext, {
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width: '100px',
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height: '100px',
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});
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setContextDirty(stylingContext, false);
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updateStyleProp(stylingContext, 0, '100px');
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expect(isContextDirty(stylingContext)).toBeFalsy();
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setContextDirty(stylingContext, false);
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updateStyleProp(stylingContext, 0, '200px');
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expect(isContextDirty(stylingContext)).toBeTruthy();
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});
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it('should prioritize multi and single styles over initial styles', () => {
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const getStyles = trackStylesFactory();
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const stylingContext = initContext(
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['width', 'height', 'opacity', 0, 'width', '100px', 'height', '100px', 'opacity', '0']);
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expect(getStyles(stylingContext)).toEqual({
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width: '100px',
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height: '100px',
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opacity: '0',
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});
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updateStyleMap(stylingContext, {width: '200px', height: '200px'});
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expect(getStyles(stylingContext)).toEqual({
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width: '200px',
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height: '200px',
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opacity: '0',
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});
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updateStyleProp(stylingContext, 0, '300px');
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expect(getStyles(stylingContext)).toEqual({
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width: '300px',
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height: '200px',
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opacity: '0',
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});
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updateStyleProp(stylingContext, 0, null);
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expect(getStyles(stylingContext)).toEqual({
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width: '200px',
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height: '200px',
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opacity: '0',
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});
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updateStyleMap(stylingContext, {});
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expect(getStyles(stylingContext)).toEqual({
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width: '100px',
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height: '100px',
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opacity: '0',
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});
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});
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it('should cleanup removed styles from the context once the styles are built', () => {
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const stylingContext = initContext(['width', 'height']);
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const getStyles = trackStylesFactory();
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updateStyleMap(stylingContext, {width: '100px', height: '100px'});
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expect(stylingContext).toEqual([
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[null],
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dirty(0, 8), //
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// #2
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clean(0, 8),
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'width',
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null,
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// #5
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clean(0, 11),
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'height',
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null,
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// #8
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dirty(0, 2),
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'width',
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'100px',
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// #11
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dirty(0, 5),
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'height',
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'100px',
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]);
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getStyles(stylingContext);
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updateStyleMap(stylingContext, {width: '200px', opacity: '0'});
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expect(stylingContext).toEqual([
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[null],
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dirty(0, 8), //
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// #2
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clean(0, 8),
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'width',
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null,
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// #5
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clean(0, 14),
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'height',
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null,
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// #8
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dirty(0, 2),
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'width',
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'200px',
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// #11
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dirty(),
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'opacity',
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'0',
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// #14
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dirty(0, 5),
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'height',
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null,
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]);
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getStyles(stylingContext);
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expect(stylingContext).toEqual([
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[null],
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clean(0, 8), //
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// #2
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clean(0, 8),
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'width',
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null,
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// #5
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clean(0, 14),
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'height',
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null,
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// #8
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clean(0, 2),
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'width',
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'200px',
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// #11
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clean(),
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'opacity',
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'0',
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// #14
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clean(0, 5),
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'height',
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null,
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]);
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updateStyleMap(stylingContext, {width: null});
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updateStyleProp(stylingContext, 0, '300px');
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expect(stylingContext).toEqual([
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[null],
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dirty(0, 8), //
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// #2
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dirty(0, 8),
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'width',
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'300px',
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// #5
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clean(0, 14),
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'height',
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null,
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// #8
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clean(0, 2),
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'width',
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null,
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// #11
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dirty(),
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'opacity',
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null,
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// #14
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clean(0, 5),
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'height',
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null,
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]);
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getStyles(stylingContext);
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updateStyleProp(stylingContext, 0, null);
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expect(stylingContext).toEqual([
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[null],
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dirty(0, 8), //
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// #2
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dirty(0, 8),
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'width',
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null,
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// #5
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clean(0, 14),
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'height',
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null,
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// #8
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clean(0, 2),
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'width',
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null,
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// #11
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||
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clean(),
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'opacity',
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null,
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// #14
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clean(0, 5),
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'height',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should find the next available space in the context when data is added after being removed before',
|
||
|
|
() => {
|
||
|
|
const stylingContext = initContext(['lineHeight']);
|
||
|
|
const getStyles = trackStylesFactory();
|
||
|
|
|
||
|
|
updateStyleMap(stylingContext, {width: '100px', height: '100px', opacity: '0.5'});
|
||
|
|
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
dirty(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
clean(0, 14),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #5
|
||
|
|
dirty(),
|
||
|
|
'width',
|
||
|
|
'100px',
|
||
|
|
|
||
|
|
// #8
|
||
|
|
dirty(),
|
||
|
|
'height',
|
||
|
|
'100px',
|
||
|
|
|
||
|
|
// #11
|
||
|
|
dirty(),
|
||
|
|
'opacity',
|
||
|
|
'0.5',
|
||
|
|
|
||
|
|
// #14
|
||
|
|
dirty(0, 2),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
|
||
|
|
getStyles(stylingContext);
|
||
|
|
|
||
|
|
updateStyleMap(stylingContext, {});
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
dirty(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
clean(0, 14),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #5
|
||
|
|
dirty(),
|
||
|
|
'width',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #8
|
||
|
|
dirty(),
|
||
|
|
'height',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #11
|
||
|
|
dirty(),
|
||
|
|
'opacity',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #14
|
||
|
|
clean(0, 2),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
|
||
|
|
getStyles(stylingContext);
|
||
|
|
updateStyleMap(stylingContext, {
|
||
|
|
borderWidth: '5px',
|
||
|
|
});
|
||
|
|
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
dirty(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
clean(0, 17),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #5
|
||
|
|
dirty(),
|
||
|
|
'borderWidth',
|
||
|
|
'5px',
|
||
|
|
|
||
|
|
// #8
|
||
|
|
clean(),
|
||
|
|
'width',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #11
|
||
|
|
clean(),
|
||
|
|
'height',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #14
|
||
|
|
clean(),
|
||
|
|
'opacity',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #17
|
||
|
|
clean(0, 2),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
|
||
|
|
updateStyleProp(stylingContext, 0, '200px');
|
||
|
|
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
dirty(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
dirty(0, 17),
|
||
|
|
'lineHeight',
|
||
|
|
'200px',
|
||
|
|
|
||
|
|
// #5
|
||
|
|
dirty(),
|
||
|
|
'borderWidth',
|
||
|
|
'5px',
|
||
|
|
|
||
|
|
// #8
|
||
|
|
clean(),
|
||
|
|
'width',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #11
|
||
|
|
clean(),
|
||
|
|
'height',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #14
|
||
|
|
clean(),
|
||
|
|
'opacity',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #17
|
||
|
|
clean(0, 2),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
|
||
|
|
updateStyleMap(stylingContext, {borderWidth: '15px', borderColor: 'red'});
|
||
|
|
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
dirty(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
dirty(0, 20),
|
||
|
|
'lineHeight',
|
||
|
|
'200px',
|
||
|
|
|
||
|
|
// #5
|
||
|
|
dirty(),
|
||
|
|
'borderWidth',
|
||
|
|
'15px',
|
||
|
|
|
||
|
|
// #8
|
||
|
|
dirty(),
|
||
|
|
'borderColor',
|
||
|
|
'red',
|
||
|
|
|
||
|
|
// #11
|
||
|
|
clean(),
|
||
|
|
'width',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #14
|
||
|
|
clean(),
|
||
|
|
'height',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #17
|
||
|
|
clean(),
|
||
|
|
'opacity',
|
||
|
|
null,
|
||
|
|
|
||
|
|
// #20
|
||
|
|
clean(0, 2),
|
||
|
|
'lineHeight',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should render all data as not being dirty after the styles are built', () => {
|
||
|
|
const getStyles = trackStylesFactory();
|
||
|
|
const stylingContext = initContext(['height']);
|
||
|
|
|
||
|
|
updateStyleMap(stylingContext, {
|
||
|
|
width: '100px',
|
||
|
|
});
|
||
|
|
|
||
|
|
updateStyleProp(stylingContext, 0, '200px');
|
||
|
|
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
dirty(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
dirty(0, 8),
|
||
|
|
'height',
|
||
|
|
'200px',
|
||
|
|
|
||
|
|
// #2
|
||
|
|
dirty(),
|
||
|
|
'width',
|
||
|
|
'100px',
|
||
|
|
|
||
|
|
// #8
|
||
|
|
clean(0, 2),
|
||
|
|
'height',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
|
||
|
|
getStyles(stylingContext);
|
||
|
|
|
||
|
|
expect(stylingContext).toEqual([
|
||
|
|
[null],
|
||
|
|
clean(0, 5), //
|
||
|
|
|
||
|
|
// #2
|
||
|
|
clean(0, 8),
|
||
|
|
'height',
|
||
|
|
'200px',
|
||
|
|
|
||
|
|
// #2
|
||
|
|
clean(),
|
||
|
|
'width',
|
||
|
|
'100px',
|
||
|
|
|
||
|
|
// #8
|
||
|
|
clean(0, 2),
|
||
|
|
'height',
|
||
|
|
null,
|
||
|
|
]);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|