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
209 lines
10 KiB
JavaScript
209 lines
10 KiB
JavaScript
import CSSRule from '../CSSRule.js';
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import * as PropertySymbol from '../../PropertySymbol.js';
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import CSSStyleRule from '../rules/CSSStyleRule.js';
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import CSSKeyframeRule from '../rules/CSSKeyframeRule.js';
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import CSSKeyframesRule from '../rules/CSSKeyframesRule.js';
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import CSSMediaRule from '../rules/CSSMediaRule.js';
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import CSSContainerRule from '../rules/CSSContainerRule.js';
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import CSSSupportsRule from '../rules/CSSSupportsRule.js';
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import CSSFontFaceRule from '../rules/CSSFontFaceRule.js';
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import SelectorParser from '../../query-selector/SelectorParser.js';
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import CSSRuleTypeEnum from '../CSSRuleTypeEnum.js';
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const COMMENT_REGEXP = /\/\*[\s\S]*?\*\//gm;
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/**
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* CSS parser.
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*/
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export default class CSSParser {
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/**
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* Parses HTML and returns a root element.
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*
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* @param parentStyleSheet Parent style sheet.
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* @param cssText CSS code.
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* @returns Root element.
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*/
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static parseFromString(parentStyleSheet, cssText) {
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const window = parentStyleSheet[PropertySymbol.window];
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const css = cssText.replace(COMMENT_REGEXP, '');
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const cssRules = [];
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const regExp = /{|}/gm;
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const stack = [];
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let parentRule = null;
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let lastIndex = 0;
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let match;
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while ((match = regExp.exec(css))) {
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if (match[0] === '{') {
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const selectorText = css.substring(lastIndex, match.index).trim();
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if (selectorText[0] === '@') {
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const ruleParts = selectorText.split(' ');
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const ruleType = ruleParts[0];
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const ruleParameters = ruleParts.slice(1).join(' ').trim();
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switch (ruleType) {
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case '@keyframes':
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case '@-webkit-keyframes':
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const keyframesRule = new CSSKeyframesRule(PropertySymbol.illegalConstructor, window);
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keyframesRule.name = ruleParameters;
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keyframesRule.parentStyleSheet = parentStyleSheet;
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if (parentRule) {
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if (parentRule.type === CSSRuleTypeEnum.mediaRule ||
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parentRule.type === CSSRuleTypeEnum.containerRule ||
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parentRule.type === CSSRuleTypeEnum.supportsRule) {
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parentRule.cssRules.push(keyframesRule);
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}
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}
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else {
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cssRules.push(keyframesRule);
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}
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parentRule = keyframesRule;
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break;
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case '@media':
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const mediums = ruleParameters.split(',');
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const mediaRule = new CSSMediaRule(PropertySymbol.illegalConstructor, window);
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for (const medium of mediums) {
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mediaRule.media.appendMedium(medium.trim());
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}
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mediaRule.parentStyleSheet = parentStyleSheet;
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if (parentRule) {
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if (parentRule.type === CSSRuleTypeEnum.mediaRule ||
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parentRule.type === CSSRuleTypeEnum.containerRule ||
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parentRule.type === CSSRuleTypeEnum.supportsRule) {
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parentRule.cssRules.push(mediaRule);
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}
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}
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else {
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cssRules.push(mediaRule);
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}
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parentRule = mediaRule;
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break;
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case '@container':
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case '@-webkit-container':
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const containerRule = new CSSContainerRule(PropertySymbol.illegalConstructor, window);
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containerRule.conditionText = ruleParameters;
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containerRule.parentStyleSheet = parentStyleSheet;
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if (parentRule) {
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if (parentRule.type === CSSRuleTypeEnum.mediaRule ||
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parentRule.type === CSSRuleTypeEnum.containerRule ||
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parentRule.type === CSSRuleTypeEnum.supportsRule) {
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parentRule.cssRules.push(containerRule);
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}
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}
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else {
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cssRules.push(containerRule);
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}
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parentRule = containerRule;
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break;
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case '@supports':
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case '@-webkit-supports':
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const supportsRule = new CSSSupportsRule(PropertySymbol.illegalConstructor, window);
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supportsRule.conditionText = ruleParameters;
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supportsRule.parentStyleSheet = parentStyleSheet;
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if (parentRule) {
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if (parentRule.type === CSSRuleTypeEnum.mediaRule ||
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parentRule.type === CSSRuleTypeEnum.containerRule ||
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parentRule.type === CSSRuleTypeEnum.supportsRule) {
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parentRule.cssRules.push(supportsRule);
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}
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}
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else {
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cssRules.push(supportsRule);
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}
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parentRule = supportsRule;
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break;
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case '@font-face':
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const fontFaceRule = new CSSFontFaceRule(PropertySymbol.illegalConstructor, window);
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fontFaceRule[PropertySymbol.cssText] = ruleParameters;
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fontFaceRule.parentStyleSheet = parentStyleSheet;
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if (parentRule) {
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if (parentRule.type === CSSRuleTypeEnum.mediaRule ||
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parentRule.type === CSSRuleTypeEnum.containerRule ||
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parentRule.type === CSSRuleTypeEnum.supportsRule) {
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parentRule.cssRules.push(fontFaceRule);
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}
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}
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else {
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cssRules.push(fontFaceRule);
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}
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parentRule = fontFaceRule;
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break;
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default:
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// Unknown rule.
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// We will create a new rule to let it grab its content, but we will not add it to the cssRules array.
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const newRule = new CSSRule(PropertySymbol.illegalConstructor, window);
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newRule.parentStyleSheet = parentStyleSheet;
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parentRule = newRule;
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break;
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}
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}
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else if (parentRule && parentRule.type === CSSRuleTypeEnum.keyframesRule) {
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const newRule = new CSSKeyframeRule(PropertySymbol.illegalConstructor, window);
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newRule.keyText = selectorText.trim();
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newRule.parentStyleSheet = parentStyleSheet;
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newRule.parentRule = parentRule;
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parentRule.cssRules.push(newRule);
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parentRule = newRule;
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}
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else if (parentRule &&
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(parentRule.type === CSSRuleTypeEnum.mediaRule ||
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parentRule.type === CSSRuleTypeEnum.containerRule ||
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parentRule.type === CSSRuleTypeEnum.supportsRule)) {
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if (this.validateSelectorText(selectorText)) {
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const newRule = new CSSStyleRule(PropertySymbol.illegalConstructor, window);
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newRule.selectorText = selectorText;
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newRule.parentStyleSheet = parentStyleSheet;
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newRule.parentRule = parentRule;
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parentRule.cssRules.push(newRule);
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parentRule = newRule;
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}
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}
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else {
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if (this.validateSelectorText(selectorText)) {
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const newRule = new CSSStyleRule(PropertySymbol.illegalConstructor, window);
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newRule.selectorText = selectorText;
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newRule.parentStyleSheet = parentStyleSheet;
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newRule.parentRule = parentRule;
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if (!parentRule) {
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cssRules.push(newRule);
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}
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parentRule = newRule;
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}
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}
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stack.push(parentRule);
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}
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else {
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if (parentRule) {
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const cssText = css
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.substring(lastIndex, match.index)
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.trim()
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.replace(/([^;])$/, '$1;'); // Ensure last semicolon
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switch (parentRule.type) {
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case CSSRuleTypeEnum.fontFaceRule:
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case CSSRuleTypeEnum.keyframeRule:
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case CSSRuleTypeEnum.styleRule:
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parentRule[PropertySymbol.cssText] = cssText;
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break;
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}
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}
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stack.pop();
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parentRule = stack[stack.length - 1] || null;
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}
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lastIndex = match.index + 1;
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}
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return cssRules;
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}
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/**
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* Validates a selector text.
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*
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* @see https://www.w3.org/TR/CSS21/syndata.html#rule-sets
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* @param selectorText Selector text.
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* @returns True if valid, false otherwise.
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*/
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static validateSelectorText(selectorText) {
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try {
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SelectorParser.getSelectorGroups(selectorText);
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}
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catch (e) {
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return false;
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}
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return true;
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}
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}
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//# sourceMappingURL=CSSParser.js.map
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