Santhosh Janardhanan
de2d83092e
- Delete old Vite+Svelte frontend - Initialize new SvelteKit project with TypeScript - Configure Tailwind CSS v4 + DaisyUI - Implement JWT authentication with auto-refresh - Create login page with form validation (Zod) - Add protected route guards - Update Docker configuration for single-stage build - Add E2E tests with Playwright (6/11 passing) - Fix Svelte 5 reactivity with $state() runes Known issues: - 5 E2E tests failing (timing/async issues) - Token refresh implementation needs debugging - Validation error display timing
325 lines
15 KiB
JavaScript
325 lines
15 KiB
JavaScript
import * as PropertySymbol from '../../../PropertySymbol.js';
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import CSSStyleDeclarationPropertyManager from '../property-manager/CSSStyleDeclarationPropertyManager.js';
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import NodeTypeEnum from '../../../nodes/node/NodeTypeEnum.js';
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import CSSRuleTypeEnum from '../../CSSRuleTypeEnum.js';
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import CSSStyleDeclarationElementDefaultCSS from './config/CSSStyleDeclarationElementDefaultCSS.js';
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import CSSStyleDeclarationElementInheritedProperties from './config/CSSStyleDeclarationElementInheritedProperties.js';
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import CSSStyleDeclarationElementMeasurementProperties from './config/CSSStyleDeclarationElementMeasurementProperties.js';
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import CSSStyleDeclarationCSSParser from '../css-parser/CSSStyleDeclarationCSSParser.js';
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import QuerySelector from '../../../query-selector/QuerySelector.js';
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import CSSMeasurementConverter from '../measurement-converter/CSSMeasurementConverter.js';
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import MediaQueryList from '../../../match-media/MediaQueryList.js';
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import WindowBrowserContext from '../../../window/WindowBrowserContext.js';
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const CSS_MEASUREMENT_REGEXP = /[0-9.]+(px|rem|em|vw|vh|%|vmin|vmax|cm|mm|in|pt|pc|Q)/g;
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const CSS_VARIABLE_REGEXP = /var\( *(--[^), ]+)\)|var\( *(--[^), ]+), *(.+)\)/;
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/**
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* CSS Style Declaration utility
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*/
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export default class CSSStyleDeclarationComputedStyle {
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element;
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/**
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* Constructor.
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*
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* @param element Element.
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* @param [computed] Computed.
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*/
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constructor(element) {
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this.element = element;
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}
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/**
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* Returns style sheets.
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*
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* @param element Element.
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* @returns Style sheets.
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*/
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getComputedStyle() {
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const documentElements = [];
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const parentElements = [];
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let styleAndElement = {
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element: this.element,
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cssTexts: []
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};
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let shadowRootElements = [];
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if (!this.element[PropertySymbol.isConnected]) {
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return new CSSStyleDeclarationPropertyManager();
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}
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const cacheResult = this.element[PropertySymbol.cache].computedStyle;
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if (cacheResult?.result) {
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const result = cacheResult.result.deref();
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if (result) {
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return result;
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}
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}
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// Walks through all parent elements and stores them in an array with element and matching CSS text.
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while (styleAndElement.element) {
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if (styleAndElement.element[PropertySymbol.nodeType] === NodeTypeEnum.elementNode) {
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const rootNode = styleAndElement.element.getRootNode();
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if (rootNode[PropertySymbol.nodeType] === NodeTypeEnum.documentNode) {
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documentElements.unshift(styleAndElement);
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}
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else {
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shadowRootElements.unshift(styleAndElement);
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}
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parentElements.unshift(styleAndElement);
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}
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if (styleAndElement.element === this.element[PropertySymbol.ownerDocument]) {
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const styleSheets = (this.element[PropertySymbol.ownerDocument].querySelectorAll('style,link[rel="stylesheet"]'));
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for (const styleSheet of styleSheets) {
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const sheet = styleSheet.sheet;
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if (sheet) {
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this.parseCSSRules({
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elements: documentElements,
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rootElement: documentElements[0].element[PropertySymbol.tagName] === 'HTML'
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? documentElements[0]
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: null,
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cssRules: sheet.cssRules
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});
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}
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}
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for (const sheet of this.element[PropertySymbol.ownerDocument].adoptedStyleSheets) {
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this.parseCSSRules({
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elements: documentElements,
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rootElement: documentElements[0].element[PropertySymbol.tagName] === 'HTML'
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? documentElements[0]
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: null,
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cssRules: sheet.cssRules
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});
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}
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styleAndElement = { element: null, cssTexts: [] };
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}
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else if (styleAndElement.element[PropertySymbol.nodeType] === NodeTypeEnum.documentFragmentNode &&
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styleAndElement.element.host) {
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const shadowRoot = styleAndElement.element;
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const styleSheets = (shadowRoot.querySelectorAll('style,link[rel="stylesheet"]'));
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styleAndElement = {
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element: shadowRoot.host,
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cssTexts: []
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};
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for (const styleSheet of styleSheets) {
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const sheet = styleSheet.sheet;
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if (sheet) {
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this.parseCSSRules({
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elements: shadowRootElements,
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cssRules: sheet.cssRules,
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hostElement: styleAndElement
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});
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}
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}
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for (const sheet of shadowRoot.adoptedStyleSheets) {
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this.parseCSSRules({
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elements: shadowRootElements,
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cssRules: sheet.cssRules,
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hostElement: styleAndElement
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});
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}
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shadowRootElements = [];
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}
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else {
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styleAndElement = {
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element: styleAndElement.element[PropertySymbol.parentNode],
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cssTexts: []
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};
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}
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}
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// Concatenates all parent element CSS to one string.
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const targetElement = parentElements[parentElements.length - 1];
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const propertyManager = new CSSStyleDeclarationPropertyManager();
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const cssProperties = {};
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let rootFontSize = 16;
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let parentFontSize = 16;
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for (const parentElement of parentElements) {
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parentElement.cssTexts.sort((a, b) => a.priorityWeight - b.priorityWeight);
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let elementCSSText = '';
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if (CSSStyleDeclarationElementDefaultCSS[parentElement.element[PropertySymbol.tagName]]) {
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if (typeof CSSStyleDeclarationElementDefaultCSS[parentElement.element[PropertySymbol.tagName]] === 'string') {
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elementCSSText +=
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CSSStyleDeclarationElementDefaultCSS[parentElement.element[PropertySymbol.tagName]];
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}
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else {
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for (const key of Object.keys(CSSStyleDeclarationElementDefaultCSS[parentElement.element[PropertySymbol.tagName]])) {
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if (key === 'default' || !!parentElement.element[key]) {
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elementCSSText +=
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CSSStyleDeclarationElementDefaultCSS[parentElement.element[PropertySymbol.tagName]][key];
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}
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}
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}
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elementCSSText +=
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CSSStyleDeclarationElementDefaultCSS[parentElement.element[PropertySymbol.tagName]];
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}
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for (const cssText of parentElement.cssTexts) {
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elementCSSText += cssText.cssText;
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}
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const elementStyleAttribute = parentElement.element.getAttribute('style');
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if (elementStyleAttribute) {
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elementCSSText += elementStyleAttribute;
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}
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const rulesAndProperties = CSSStyleDeclarationCSSParser.parse(elementCSSText);
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const rules = rulesAndProperties.rules;
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Object.assign(cssProperties, rulesAndProperties.properties);
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for (const { name, value, important } of rules) {
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if (CSSStyleDeclarationElementInheritedProperties[name] ||
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parentElement === targetElement) {
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const parsedValue = this.parseCSSVariablesInValue(value.trim(), cssProperties);
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if (parsedValue && (!propertyManager.get(name)?.important || important)) {
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propertyManager.set(name, parsedValue, important);
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if (name === 'font' || name === 'font-size') {
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const fontSize = propertyManager.properties['font-size'];
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if (fontSize !== null) {
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const parsedValue = this.parseMeasurementsInValue({
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value: fontSize.value,
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rootFontSize,
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parentFontSize,
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parentSize: parentFontSize
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});
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if (parentElement.element[PropertySymbol.tagName] === 'HTML') {
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rootFontSize = parsedValue;
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}
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else if (parentElement !== targetElement) {
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parentFontSize = parsedValue;
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}
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}
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}
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}
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}
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}
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}
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for (const name of CSSStyleDeclarationElementMeasurementProperties) {
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const property = propertyManager.properties[name];
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if (property) {
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property.value = this.parseMeasurementsInValue({
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value: property.value,
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rootFontSize,
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parentFontSize,
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// TODO: Only "font-size" is supported when using percentage values. Add support for other properties.
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parentSize: name === 'font-size' ? parentFontSize : null
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});
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}
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}
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const cachedResult = {
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result: new WeakRef(propertyManager)
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};
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this.element[PropertySymbol.cache].computedStyle = cachedResult;
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this.element[PropertySymbol.ownerDocument][PropertySymbol.affectsComputedStyleCache].push(cachedResult);
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return propertyManager;
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}
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/**
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* Applies CSS text to elements.
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*
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* @param options Options.
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* @param options.elements Elements.
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* @param options.cssRules CSS rules.
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* @param options.rootElement Root element.
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* @param [options.hostElement] Host element.
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*/
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parseCSSRules(options) {
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if (!options.elements.length) {
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return;
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}
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const window = this.element[PropertySymbol.window];
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for (const rule of options.cssRules) {
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if (rule.type === CSSRuleTypeEnum.styleRule) {
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const selectorText = rule.selectorText;
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if (selectorText) {
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if (selectorText.startsWith(':host')) {
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if (options.hostElement) {
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options.hostElement.cssTexts.push({
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cssText: rule[PropertySymbol.cssText],
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priorityWeight: 0
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});
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}
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}
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else if (selectorText.startsWith(':root')) {
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if (options.rootElement) {
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options.rootElement.cssTexts.push({
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cssText: rule[PropertySymbol.cssText],
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priorityWeight: 0
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});
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}
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}
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else {
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for (const element of options.elements) {
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const match = QuerySelector.matches(element.element, selectorText, {
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ignoreErrors: true
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});
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if (match) {
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element.cssTexts.push({
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cssText: rule[PropertySymbol.cssText],
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priorityWeight: match.priorityWeight
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});
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}
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}
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}
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}
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}
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else if (rule.type === CSSRuleTypeEnum.mediaRule &&
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// TODO: We need to send in a predfined root font size as it will otherwise be calculated using Window.getComputedStyle(), which will cause a never ending loop. Is there another solution?
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new MediaQueryList({
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window,
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media: rule.conditionText,
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rootFontSize: this.element[PropertySymbol.tagName] === 'HTML' ? 16 : null
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}).matches) {
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this.parseCSSRules({
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elements: options.elements,
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cssRules: rule.cssRules,
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hostElement: options.hostElement
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});
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}
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}
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}
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/**
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* Parses CSS variables in a value.
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*
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* @param value Value.
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* @param cssVariables CSS variables.
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* @returns CSS value.
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*/
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parseCSSVariablesInValue(value, cssVariables) {
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let newValue = value;
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let match;
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while ((match = newValue.match(CSS_VARIABLE_REGEXP)) !== null) {
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// Fallback value - E.g. var(--my-var, #FFFFFF)
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if (match[2] !== undefined) {
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newValue = newValue.replace(match[0], cssVariables[match[2]] || match[3]);
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}
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else {
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newValue = newValue.replace(match[0], cssVariables[match[1]] || '');
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}
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}
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return newValue;
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}
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/**
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* Parses measurements in a value.
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*
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* @param options Options.
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* @param options.value Value.
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* @param options.rootFontSize Root font size.
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* @param options.parentFontSize Parent font size.
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* @param [options.parentSize] Parent width.
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* @returns CSS value.
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*/
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parseMeasurementsInValue(options) {
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if (new WindowBrowserContext(this.element[PropertySymbol.window]).getSettings()
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?.disableComputedStyleRendering) {
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return options.value;
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}
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const regexp = new RegExp(CSS_MEASUREMENT_REGEXP);
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let newValue = options.value;
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let match;
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while ((match = regexp.exec(options.value)) !== null) {
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if (match[1] !== 'px') {
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const valueInPixels = CSSMeasurementConverter.toPixels({
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window: this.element[PropertySymbol.window],
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value: match[0],
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rootFontSize: options.rootFontSize,
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parentFontSize: options.parentFontSize,
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parentSize: options.parentSize
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});
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if (valueInPixels !== null) {
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newValue = newValue.replace(match[0], valueInPixels + 'px');
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}
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}
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}
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return newValue;
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}
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}
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//# sourceMappingURL=CSSStyleDeclarationComputedStyle.js.map
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