803 lines
30 KiB
TypeScript
803 lines
30 KiB
TypeScript
/**
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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 {describe, expect, it} from '../../../core/testing/src/testing_internal';
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import {CssBlockAst, CssBlockDefinitionRuleAst, CssBlockRuleAst, CssDefinitionAst, CssInlineRuleAst, CssKeyframeDefinitionAst, CssKeyframeRuleAst, CssMediaQueryRuleAst, CssSelectorRuleAst, CssStyleSheetAst, CssStyleValueAst} from '../../src/css_parser/css_ast';
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import {BlockType, CssParseError, CssParser, CssToken, ParsedCssResult} from '../../src/css_parser/css_parser';
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import {ParseLocation} from '../../src/parse_util';
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export function assertTokens(tokens: CssToken[], valuesArr: string[]) {
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for (let i = 0; i < tokens.length; i++) {
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expect(tokens[i].strValue == valuesArr[i]);
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}
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}
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{
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describe('CssParser', () => {
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function parse(css: string): ParsedCssResult {
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return new CssParser().parse(css, 'some-fake-css-file.css');
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}
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function makeAst(css: string): CssStyleSheetAst {
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const output = parse(css);
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const errors = output.errors;
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if (errors.length > 0) {
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throw new Error(errors.map((error: CssParseError) => error.msg).join(', '));
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}
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return output.ast;
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}
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it('should parse CSS into a stylesheet Ast', () => {
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const styles = '.selector { prop: value123; }';
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const ast = makeAst(styles);
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expect(ast.rules.length).toEqual(1);
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const rule = <CssSelectorRuleAst>ast.rules[0];
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const selector = rule.selectors[0];
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expect(selector.strValue).toEqual('.selector');
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const block: CssBlockAst = rule.block;
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expect(block.entries.length).toEqual(1);
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const definition = <CssDefinitionAst>block.entries[0];
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expect(definition.property.strValue).toEqual('prop');
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const value = <CssStyleValueAst>definition.value;
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expect(value.tokens[0].strValue).toEqual('value123');
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});
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it('should parse multiple CSS selectors sharing the same set of styles', () => {
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const styles = `
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.class, #id, tag, [attr], key + value, * value, :-moz-any-link {
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prop: value123;
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}
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`;
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const ast = makeAst(styles);
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expect(ast.rules.length).toEqual(1);
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const rule = <CssSelectorRuleAst>ast.rules[0];
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expect(rule.selectors.length).toBe(7);
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const classRule = rule.selectors[0];
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const idRule = rule.selectors[1];
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const tagRule = rule.selectors[2];
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const attrRule = rule.selectors[3];
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const plusOpRule = rule.selectors[4];
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const starOpRule = rule.selectors[5];
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const mozRule = rule.selectors[6];
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assertTokens(classRule.selectorParts[0].tokens, ['.', 'class']);
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assertTokens(idRule.selectorParts[0].tokens, ['.', 'class']);
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assertTokens(attrRule.selectorParts[0].tokens, ['[', 'attr', ']']);
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assertTokens(plusOpRule.selectorParts[0].tokens, ['key']);
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expect(plusOpRule.selectorParts[0].operator.strValue).toEqual('+');
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assertTokens(plusOpRule.selectorParts[1].tokens, ['value']);
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assertTokens(starOpRule.selectorParts[0].tokens, ['*']);
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assertTokens(starOpRule.selectorParts[1].tokens, ['value']);
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assertTokens(mozRule.selectorParts[0].pseudoSelectors[0].tokens, [':', '-moz-any-link']);
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const style1 = <CssDefinitionAst>rule.block.entries[0];
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expect(style1.property.strValue).toEqual('prop');
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assertTokens(style1.value.tokens, ['value123']);
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});
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it('should parse keyframe rules', () => {
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const styles = `
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@keyframes rotateMe {
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from {
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transform: rotate(-360deg);
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}
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50% {
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transform: rotate(0deg);
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}
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to {
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transform: rotate(360deg);
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}
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}
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`;
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const ast = makeAst(styles);
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expect(ast.rules.length).toEqual(1);
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const rule = <CssKeyframeRuleAst>ast.rules[0];
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expect(rule.name!.strValue).toEqual('rotateMe');
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const block = <CssBlockAst>rule.block;
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const fromRule = <CssKeyframeDefinitionAst>block.entries[0];
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expect(fromRule.name!.strValue).toEqual('from');
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const fromStyle = <CssDefinitionAst>(<CssBlockAst>fromRule.block).entries[0];
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expect(fromStyle.property.strValue).toEqual('transform');
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assertTokens(fromStyle.value.tokens, ['rotate', '(', '-360', 'deg', ')']);
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const midRule = <CssKeyframeDefinitionAst>block.entries[1];
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expect(midRule.name!.strValue).toEqual('50%');
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const midStyle = <CssDefinitionAst>(<CssBlockAst>midRule.block).entries[0];
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expect(midStyle.property.strValue).toEqual('transform');
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assertTokens(midStyle.value.tokens, ['rotate', '(', '0', 'deg', ')']);
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const toRule = <CssKeyframeDefinitionAst>block.entries[2];
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expect(toRule.name!.strValue).toEqual('to');
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const toStyle = <CssDefinitionAst>(<CssBlockAst>toRule.block).entries[0];
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expect(toStyle.property.strValue).toEqual('transform');
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assertTokens(toStyle.value.tokens, ['rotate', '(', '360', 'deg', ')']);
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});
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it('should parse media queries into a stylesheet Ast', () => {
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const styles = `
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@media all and (max-width:100px) {
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.selector {
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prop: value123;
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}
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}
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`;
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const ast = makeAst(styles);
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expect(ast.rules.length).toEqual(1);
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const rule = <CssMediaQueryRuleAst>ast.rules[0];
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assertTokens(rule.query.tokens, ['all', 'and', '(', 'max-width', ':', '100', 'px', ')']);
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const block = <CssBlockAst>rule.block;
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expect(block.entries.length).toEqual(1);
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const rule2 = <CssSelectorRuleAst>block.entries[0];
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expect(rule2.selectors[0].strValue).toEqual('.selector');
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const block2 = <CssBlockAst>rule2.block;
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expect(block2.entries.length).toEqual(1);
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});
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it('should parse inline CSS values', () => {
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const styles = `
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@import url('remote.css');
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@charset "UTF-8";
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@namespace ng url(http://angular.io/namespace/ng);
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`;
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const ast = makeAst(styles);
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const importRule = <CssInlineRuleAst>ast.rules[0];
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expect(importRule.type).toEqual(BlockType.Import);
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assertTokens(importRule.value.tokens, ['url', '(', 'remote', '.', 'css', ')']);
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const charsetRule = <CssInlineRuleAst>ast.rules[1];
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expect(charsetRule.type).toEqual(BlockType.Charset);
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assertTokens(charsetRule.value.tokens, ['UTF-8']);
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const namespaceRule = <CssInlineRuleAst>ast.rules[2];
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expect(namespaceRule.type).toEqual(BlockType.Namespace);
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assertTokens(
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namespaceRule.value.tokens, ['ng', 'url', '(', 'http://angular.io/namespace/ng', ')']);
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});
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it('should parse CSS values that contain functions and leave the inner function data untokenized',
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() => {
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const styles = `
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.class {
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background: url(matias.css);
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animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
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height: calc(100% - 50px);
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background-image: linear-gradient( 45deg, rgba(100, 0, 0, 0.5), black );
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}
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`;
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const ast = makeAst(styles);
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expect(ast.rules.length).toEqual(1);
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const defs = (<CssSelectorRuleAst>ast.rules[0]).block.entries;
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expect(defs.length).toEqual(4);
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assertTokens((<CssDefinitionAst>defs[0]).value.tokens, ['url', '(', 'matias.css', ')']);
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assertTokens(
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(<CssDefinitionAst>defs[1]).value.tokens,
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['cubic-bezier', '(', '0.755, 0.050, 0.855, 0.060', ')']);
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assertTokens((<CssDefinitionAst>defs[2]).value.tokens, ['calc', '(', '100% - 50px', ')']);
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assertTokens(
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(<CssDefinitionAst>defs[3]).value.tokens,
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['linear-gradient', '(', '45deg, rgba(100, 0, 0, 0.5), black', ')']);
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});
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it('should parse un-named block-level CSS values', () => {
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const styles = `
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@font-face {
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font-family: "Matias";
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font-weight: bold;
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src: url(font-face.ttf);
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}
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@viewport {
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max-width: 100px;
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min-height: 1000px;
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}
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`;
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const ast = makeAst(styles);
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const fontFaceRule = <CssBlockRuleAst>ast.rules[0];
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expect(fontFaceRule.type).toEqual(BlockType.FontFace);
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expect(fontFaceRule.block.entries.length).toEqual(3);
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const viewportRule = <CssBlockRuleAst>ast.rules[1];
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expect(viewportRule.type).toEqual(BlockType.Viewport);
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expect(viewportRule.block.entries.length).toEqual(2);
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});
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it('should parse multiple levels of semicolons', () => {
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const styles = `
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;;;
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@import url('something something')
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;;;;;;;;
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;;;;;;;;
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;@font-face {
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;src : url(font-face.ttf);;;;;;;;
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;;;-webkit-animation:my-animation
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};;;
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@media all and (max-width:100px)
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{;
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.selector {prop: value123;};
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;.selector2{prop:1}}
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`;
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const ast = makeAst(styles);
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const importRule = <CssInlineRuleAst>ast.rules[0];
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expect(importRule.type).toEqual(BlockType.Import);
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assertTokens(importRule.value.tokens, ['url', '(', 'something something', ')']);
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const fontFaceRule = <CssBlockRuleAst>ast.rules[1];
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expect(fontFaceRule.type).toEqual(BlockType.FontFace);
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expect(fontFaceRule.block.entries.length).toEqual(2);
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const mediaQueryRule = <CssMediaQueryRuleAst>ast.rules[2];
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assertTokens(
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mediaQueryRule.query.tokens, ['all', 'and', '(', 'max-width', ':', '100', 'px', ')']);
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expect(mediaQueryRule.block.entries.length).toEqual(2);
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});
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it('should throw an error if an unknown @value block rule is parsed', () => {
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const styles = `
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@matias { hello: there; }
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`;
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expect(() => {
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makeAst(styles);
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}).toThrowError(/^CSS Parse Error: The CSS "at" rule "@matias" is not allowed to used here/g);
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});
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it('should parse empty rules', () => {
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const styles = `
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.empty-rule { }
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.somewhat-empty-rule { /* property: value; */ }
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.non-empty-rule { property: value; }
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`;
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const ast = makeAst(styles);
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const rules = ast.rules;
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expect((<CssSelectorRuleAst>rules[0]).block.entries.length).toEqual(0);
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expect((<CssSelectorRuleAst>rules[1]).block.entries.length).toEqual(0);
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expect((<CssSelectorRuleAst>rules[2]).block.entries.length).toEqual(1);
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});
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it('should parse the @document rule', () => {
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const styles = `
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@document url(http://www.w3.org/),
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url-prefix(http://www.w3.org/Style/),
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domain(mozilla.org),
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regexp("https:.*")
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{
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/* CSS rules here apply to:
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- The page "http://www.w3.org/".
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- Any page whose URL begins with "http://www.w3.org/Style/"
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- Any page whose URL's host is "mozilla.org" or ends with
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".mozilla.org"
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- Any page whose URL starts with "https:" */
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/* make the above-mentioned pages really ugly */
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body {
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color: purple;
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background: yellow;
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}
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}
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`;
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const ast = makeAst(styles);
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const rules = ast.rules;
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const documentRule = <CssBlockDefinitionRuleAst>rules[0];
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expect(documentRule.type).toEqual(BlockType.Document);
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const rule = <CssSelectorRuleAst>documentRule.block.entries[0];
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expect(rule.strValue).toEqual('body');
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});
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it('should parse the @page rule', () => {
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const styles = `
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@page one {
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.selector { prop: value; }
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}
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@page two {
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.selector2 { prop: value2; }
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}
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`;
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const ast = makeAst(styles);
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const rules = ast.rules;
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const pageRule1 = <CssBlockDefinitionRuleAst>rules[0];
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expect(pageRule1.query.strValue).toEqual('@page one');
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expect(pageRule1.query.tokens[0].strValue).toEqual('one');
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expect(pageRule1.type).toEqual(BlockType.Page);
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const pageRule2 = <CssBlockDefinitionRuleAst>rules[1];
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expect(pageRule2.query.strValue).toEqual('@page two');
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expect(pageRule2.query.tokens[0].strValue).toEqual('two');
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expect(pageRule2.type).toEqual(BlockType.Page);
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const selectorOne = <CssSelectorRuleAst>pageRule1.block.entries[0];
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expect(selectorOne.strValue).toEqual('.selector');
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const selectorTwo = <CssSelectorRuleAst>pageRule2.block.entries[0];
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expect(selectorTwo.strValue).toEqual('.selector2');
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});
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it('should parse the @supports rule', () => {
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const styles = `
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@supports (animation-name: "rotate") {
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a:hover { animation: rotate 1s; }
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}
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`;
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const ast = makeAst(styles);
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const rules = ast.rules;
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const supportsRule = <CssBlockDefinitionRuleAst>rules[0];
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assertTokens(supportsRule.query.tokens, ['(', 'animation-name', ':', 'rotate', ')']);
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expect(supportsRule.type).toEqual(BlockType.Supports);
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const selectorOne = <CssSelectorRuleAst>supportsRule.block.entries[0];
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expect(selectorOne.strValue).toEqual('a:hover');
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});
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it('should collect multiple errors during parsing', () => {
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const styles = `
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.class$value { something: something }
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@custom { something: something }
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#id { cool^: value }
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`;
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const output = parse(styles);
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expect(output.errors.length).toEqual(3);
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});
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it('should recover from selector errors and continue parsing', () => {
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const styles = `
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tag& { key: value; }
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.%tag { key: value; }
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#tag$ { key: value; }
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`;
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const output = parse(styles);
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const errors = output.errors;
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const ast = output.ast;
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expect(errors.length).toEqual(3);
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expect(ast.rules.length).toEqual(3);
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const rule1 = <CssSelectorRuleAst>ast.rules[0];
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expect(rule1.selectors[0].strValue).toEqual('tag&');
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expect(rule1.block.entries.length).toEqual(1);
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const rule2 = <CssSelectorRuleAst>ast.rules[1];
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expect(rule2.selectors[0].strValue).toEqual('.%tag');
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expect(rule2.block.entries.length).toEqual(1);
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const rule3 = <CssSelectorRuleAst>ast.rules[2];
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expect(rule3.selectors[0].strValue).toEqual('#tag$');
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expect(rule3.block.entries.length).toEqual(1);
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});
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it('should throw an error when parsing invalid CSS Selectors', () => {
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const styles = '.class[[prop%=value}] { style: val; }';
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const output = parse(styles);
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const errors = output.errors;
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expect(errors.length).toEqual(3);
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expect(errors[0].msg).toMatch(/Unexpected character \[\[\] at column 0:7/g);
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expect(errors[1].msg).toMatch(/Unexpected character \[%\] at column 0:12/g);
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expect(errors[2].msg).toMatch(/Unexpected character \[}\] at column 0:19/g);
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});
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it('should throw an error if an attribute selector is not closed properly', () => {
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const styles = '.class[prop=value { style: val; }';
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const output = parse(styles);
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const errors = output.errors;
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expect(errors[0].msg).toMatch(/Unbalanced CSS attribute selector at column 0:12/g);
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});
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it('should throw an error if a pseudo function selector is not closed properly', () => {
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const styles = 'body:lang(en { key:value; }';
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const output = parse(styles);
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const errors = output.errors;
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expect(errors[0].msg)
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.toMatch(/Character does not match expected Character value \("{" should match "\)"\)/);
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});
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it('should raise an error when a semi colon is missing from a CSS style/pair that isn\'t the last entry',
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() => {
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const styles = `.class {
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color: red
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background: blue
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}`;
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const output = parse(styles);
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const errors = output.errors;
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expect(errors.length).toEqual(1);
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expect(errors[0].msg)
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.toMatch(/The CSS key\/value definition did not end with a semicolon at column 1:15/g);
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});
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it('should parse the inner value of a :not() pseudo-selector as a CSS selector', () => {
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const styles = `div:not(.ignore-this-div) {
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prop: value;
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}`;
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const output = parse(styles);
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const errors = output.errors;
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const ast = output.ast;
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expect(errors.length).toEqual(0);
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const rule1 = <CssSelectorRuleAst>ast.rules[0];
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expect(rule1.selectors.length).toEqual(1);
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const simpleSelector = rule1.selectors[0].selectorParts[0];
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assertTokens(simpleSelector.tokens, ['div']);
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const pseudoSelector = simpleSelector.pseudoSelectors[0];
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expect(pseudoSelector.name).toEqual('not');
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assertTokens(pseudoSelector.tokens, ['.', 'ignore-this-div']);
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});
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it('should parse the inner selectors of a :host-context selector', () => {
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const styles = `body > :host-context(.a, .b, .c:hover) {
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prop: value;
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}`;
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const output = parse(styles);
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const errors = output.errors;
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const ast = output.ast;
|
|
|
|
expect(errors.length).toEqual(0);
|
|
|
|
const rule1 = <CssSelectorRuleAst>ast.rules[0];
|
|
expect(rule1.selectors.length).toEqual(1);
|
|
|
|
const simpleSelector = rule1.selectors[0].selectorParts[1];
|
|
const innerSelectors = simpleSelector.pseudoSelectors[0].innerSelectors;
|
|
|
|
assertTokens(innerSelectors[0].selectorParts[0].tokens, ['.', 'a']);
|
|
assertTokens(innerSelectors[1].selectorParts[0].tokens, ['.', 'b']);
|
|
|
|
const finalSelector = innerSelectors[2].selectorParts[0];
|
|
assertTokens(finalSelector.tokens, ['.', 'c', ':', 'hover']);
|
|
assertTokens(finalSelector.pseudoSelectors[0].tokens, [':', 'hover']);
|
|
});
|
|
|
|
it('should raise parse errors when CSS key/value pairs are invalid', () => {
|
|
const styles = `.class {
|
|
background color: value;
|
|
color: value
|
|
font-size;
|
|
font-weight
|
|
}`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
|
|
expect(errors.length).toEqual(4);
|
|
|
|
expect(errors[0].msg)
|
|
.toMatch(
|
|
/Identifier does not match expected Character value \("color" should match ":"\) at column 1:19/g);
|
|
|
|
expect(errors[1].msg)
|
|
.toMatch(/The CSS key\/value definition did not end with a semicolon at column 2:15/g);
|
|
|
|
expect(errors[2].msg)
|
|
.toMatch(/The CSS property was not paired with a style value at column 3:8/g);
|
|
|
|
expect(errors[3].msg)
|
|
.toMatch(/The CSS property was not paired with a style value at column 4:8/g);
|
|
});
|
|
|
|
it('should recover from CSS key/value parse errors', () => {
|
|
const styles = `
|
|
.problem-class { background color: red; color: white; }
|
|
.good-boy-class { background-color: red; color: white; }
|
|
`;
|
|
|
|
const output = parse(styles);
|
|
const ast = output.ast;
|
|
|
|
expect(ast.rules.length).toEqual(2);
|
|
|
|
const rule1 = <CssSelectorRuleAst>ast.rules[0];
|
|
expect(rule1.block.entries.length).toEqual(2);
|
|
|
|
const style1 = <CssDefinitionAst>rule1.block.entries[0];
|
|
expect(style1.property.strValue).toEqual('background color');
|
|
assertTokens(style1.value.tokens, ['red']);
|
|
|
|
const style2 = <CssDefinitionAst>rule1.block.entries[1];
|
|
expect(style2.property.strValue).toEqual('color');
|
|
assertTokens(style2.value.tokens, ['white']);
|
|
});
|
|
|
|
describe('location offsets', () => {
|
|
let styles: string;
|
|
|
|
function assertMatchesOffsetAndChar(
|
|
location: ParseLocation, expectedOffset: number, expectedChar: string): void {
|
|
expect(location.offset).toEqual(expectedOffset);
|
|
expect(styles[expectedOffset]).toEqual(expectedChar);
|
|
}
|
|
|
|
it('should collect the source span location of each AST node with regular selectors', () => {
|
|
styles = '.problem-class { border-top-right: 1px; color: white; }\n';
|
|
styles += '#good-boy-rule_ { background-color: #fe4; color: teal; }';
|
|
|
|
const output = parse(styles);
|
|
const ast = output.ast;
|
|
assertMatchesOffsetAndChar(ast.location.start, 0, '.');
|
|
assertMatchesOffsetAndChar(ast.location.end, 111, '}');
|
|
|
|
const rule1 = <CssSelectorRuleAst>ast.rules[0];
|
|
assertMatchesOffsetAndChar(rule1.location.start, 0, '.');
|
|
assertMatchesOffsetAndChar(rule1.location.end, 54, '}');
|
|
|
|
const rule2 = <CssSelectorRuleAst>ast.rules[1];
|
|
assertMatchesOffsetAndChar(rule2.location.start, 56, '#');
|
|
assertMatchesOffsetAndChar(rule2.location.end, 111, '}');
|
|
|
|
const selector1 = rule1.selectors[0];
|
|
assertMatchesOffsetAndChar(selector1.location.start, 0, '.');
|
|
assertMatchesOffsetAndChar(selector1.location.end, 1, 'p'); // problem-class
|
|
|
|
const selector2 = rule2.selectors[0];
|
|
assertMatchesOffsetAndChar(selector2.location.start, 56, '#');
|
|
assertMatchesOffsetAndChar(selector2.location.end, 57, 'g'); // good-boy-rule_
|
|
|
|
const block1 = rule1.block;
|
|
assertMatchesOffsetAndChar(block1.location.start, 15, '{');
|
|
assertMatchesOffsetAndChar(block1.location.end, 54, '}');
|
|
|
|
const block2 = rule2.block;
|
|
assertMatchesOffsetAndChar(block2.location.start, 72, '{');
|
|
assertMatchesOffsetAndChar(block2.location.end, 111, '}');
|
|
|
|
const block1def1 = <CssDefinitionAst>block1.entries[0];
|
|
assertMatchesOffsetAndChar(block1def1.location.start, 17, 'b'); // border-top-right
|
|
assertMatchesOffsetAndChar(block1def1.location.end, 36, 'p'); // px
|
|
|
|
const block1def2 = <CssDefinitionAst>block1.entries[1];
|
|
assertMatchesOffsetAndChar(block1def2.location.start, 40, 'c'); // color
|
|
assertMatchesOffsetAndChar(block1def2.location.end, 47, 'w'); // white
|
|
|
|
const block2def1 = <CssDefinitionAst>block2.entries[0];
|
|
assertMatchesOffsetAndChar(block2def1.location.start, 74, 'b'); // background-color
|
|
assertMatchesOffsetAndChar(block2def1.location.end, 93, 'f'); // fe4
|
|
|
|
const block2def2 = <CssDefinitionAst>block2.entries[1];
|
|
assertMatchesOffsetAndChar(block2def2.location.start, 98, 'c'); // color
|
|
assertMatchesOffsetAndChar(block2def2.location.end, 105, 't'); // teal
|
|
|
|
const block1value1 = block1def1.value;
|
|
assertMatchesOffsetAndChar(block1value1.location.start, 35, '1');
|
|
assertMatchesOffsetAndChar(block1value1.location.end, 36, 'p');
|
|
|
|
const block1value2 = block1def2.value;
|
|
assertMatchesOffsetAndChar(block1value2.location.start, 47, 'w');
|
|
assertMatchesOffsetAndChar(block1value2.location.end, 47, 'w');
|
|
|
|
const block2value1 = block2def1.value;
|
|
assertMatchesOffsetAndChar(block2value1.location.start, 92, '#');
|
|
assertMatchesOffsetAndChar(block2value1.location.end, 93, 'f');
|
|
|
|
const block2value2 = block2def2.value;
|
|
assertMatchesOffsetAndChar(block2value2.location.start, 105, 't');
|
|
assertMatchesOffsetAndChar(block2value2.location.end, 105, 't');
|
|
});
|
|
|
|
it('should collect the source span location of each AST node with media query data', () => {
|
|
styles = '@media (all and max-width: 100px) { a { display:none; } }';
|
|
|
|
const output = parse(styles);
|
|
const ast = output.ast;
|
|
|
|
const mediaQuery = <CssMediaQueryRuleAst>ast.rules[0];
|
|
assertMatchesOffsetAndChar(mediaQuery.location.start, 0, '@');
|
|
assertMatchesOffsetAndChar(mediaQuery.location.end, 56, '}');
|
|
|
|
const predicate = mediaQuery.query;
|
|
assertMatchesOffsetAndChar(predicate.location.start, 0, '@');
|
|
assertMatchesOffsetAndChar(predicate.location.end, 32, ')');
|
|
|
|
const rule = <CssSelectorRuleAst>mediaQuery.block.entries[0];
|
|
assertMatchesOffsetAndChar(rule.location.start, 36, 'a');
|
|
assertMatchesOffsetAndChar(rule.location.end, 54, '}');
|
|
});
|
|
|
|
it('should collect the source span location of each AST node with keyframe data', () => {
|
|
styles = '@keyframes rotateAndZoomOut { ';
|
|
styles += 'from { transform: rotate(0deg); } ';
|
|
styles += '100% { transform: rotate(360deg) scale(2); }';
|
|
styles += '}';
|
|
|
|
const output = parse(styles);
|
|
const ast = output.ast;
|
|
|
|
const keyframes = <CssKeyframeRuleAst>ast.rules[0];
|
|
assertMatchesOffsetAndChar(keyframes.location.start, 0, '@');
|
|
assertMatchesOffsetAndChar(keyframes.location.end, 108, '}');
|
|
|
|
const step1 = <CssKeyframeDefinitionAst>keyframes.block.entries[0];
|
|
assertMatchesOffsetAndChar(step1.location.start, 30, 'f');
|
|
assertMatchesOffsetAndChar(step1.location.end, 62, '}');
|
|
|
|
const step2 = <CssKeyframeDefinitionAst>keyframes.block.entries[1];
|
|
assertMatchesOffsetAndChar(step2.location.start, 64, '1');
|
|
assertMatchesOffsetAndChar(step2.location.end, 107, '}');
|
|
});
|
|
|
|
it('should collect the source span location of each AST node with an inline rule', () => {
|
|
styles = '@import url(something.css)';
|
|
|
|
const output = parse(styles);
|
|
const ast = output.ast;
|
|
|
|
const rule = <CssInlineRuleAst>ast.rules[0];
|
|
assertMatchesOffsetAndChar(rule.location.start, 0, '@');
|
|
assertMatchesOffsetAndChar(rule.location.end, 25, ')');
|
|
|
|
const value = rule.value;
|
|
assertMatchesOffsetAndChar(value.location.start, 8, 'u');
|
|
assertMatchesOffsetAndChar(value.location.end, 25, ')');
|
|
});
|
|
|
|
it('should property collect the start/end locations with an invalid stylesheet', () => {
|
|
styles = '#id { something: value';
|
|
|
|
const output = parse(styles);
|
|
const ast = output.ast;
|
|
|
|
assertMatchesOffsetAndChar(ast.location.start, 0, '#');
|
|
assertMatchesOffsetAndChar(ast.location.end, 22, undefined!);
|
|
});
|
|
});
|
|
|
|
it('should parse minified CSS content properly', () => {
|
|
// this code was taken from the angular.io webpage's CSS code
|
|
const styles = `
|
|
.is-hidden{display:none!important}
|
|
.is-visible{display:block!important}
|
|
.is-visually-hidden{height:1px;width:1px;overflow:hidden;opacity:0.01;position:absolute;bottom:0;right:0;z-index:1}
|
|
.grid-fluid,.grid-fixed{margin:0 auto}
|
|
.grid-fluid .c1,.grid-fixed .c1,.grid-fluid .c2,.grid-fixed .c2,.grid-fluid .c3,.grid-fixed .c3,.grid-fluid .c4,.grid-fixed .c4,.grid-fluid .c5,.grid-fixed .c5,.grid-fluid .c6,.grid-fixed .c6,.grid-fluid .c7,.grid-fixed .c7,.grid-fluid .c8,.grid-fixed .c8,.grid-fluid .c9,.grid-fixed .c9,.grid-fluid .c10,.grid-fixed .c10,.grid-fluid .c11,.grid-fixed .c11,.grid-fluid .c12,.grid-fixed .c12{display:inline;float:left}
|
|
.grid-fluid .c1.grid-right,.grid-fixed .c1.grid-right,.grid-fluid .c2.grid-right,.grid-fixed .c2.grid-right,.grid-fluid .c3.grid-right,.grid-fixed .c3.grid-right,.grid-fluid .c4.grid-right,.grid-fixed .c4.grid-right,.grid-fluid .c5.grid-right,.grid-fixed .c5.grid-right,.grid-fluid .c6.grid-right,.grid-fixed .c6.grid-right,.grid-fluid .c7.grid-right,.grid-fixed .c7.grid-right,.grid-fluid .c8.grid-right,.grid-fixed .c8.grid-right,.grid-fluid .c9.grid-right,.grid-fixed .c9.grid-right,.grid-fluid .c10.grid-right,.grid-fixed .c10.grid-right,.grid-fluid .c11.grid-right,.grid-fixed .c11.grid-right,.grid-fluid .c12.grid-right,.grid-fixed .c12.grid-right{float:right}
|
|
.grid-fluid .c1.nb,.grid-fixed .c1.nb,.grid-fluid .c2.nb,.grid-fixed .c2.nb,.grid-fluid .c3.nb,.grid-fixed .c3.nb,.grid-fluid .c4.nb,.grid-fixed .c4.nb,.grid-fluid .c5.nb,.grid-fixed .c5.nb,.grid-fluid .c6.nb,.grid-fixed .c6.nb,.grid-fluid .c7.nb,.grid-fixed .c7.nb,.grid-fluid .c8.nb,.grid-fixed .c8.nb,.grid-fluid .c9.nb,.grid-fixed .c9.nb,.grid-fluid .c10.nb,.grid-fixed .c10.nb,.grid-fluid .c11.nb,.grid-fixed .c11.nb,.grid-fluid .c12.nb,.grid-fixed .c12.nb{margin-left:0}
|
|
.grid-fluid .c1.na,.grid-fixed .c1.na,.grid-fluid .c2.na,.grid-fixed .c2.na,.grid-fluid .c3.na,.grid-fixed .c3.na,.grid-fluid .c4.na,.grid-fixed .c4.na,.grid-fluid .c5.na,.grid-fixed .c5.na,.grid-fluid .c6.na,.grid-fixed .c6.na,.grid-fluid .c7.na,.grid-fixed .c7.na,.grid-fluid .c8.na,.grid-fixed .c8.na,.grid-fluid .c9.na,.grid-fixed .c9.na,.grid-fluid .c10.na,.grid-fixed .c10.na,.grid-fluid .c11.na,.grid-fixed .c11.na,.grid-fluid .c12.na,.grid-fixed .c12.na{margin-right:0}
|
|
`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
expect(errors.length).toEqual(0);
|
|
|
|
const ast = output.ast;
|
|
expect(ast.rules.length).toEqual(8);
|
|
});
|
|
|
|
it('should parse a snippet of keyframe code from animate.css properly', () => {
|
|
// this code was taken from the angular.io webpage's CSS code
|
|
const styles = `
|
|
@charset "UTF-8";
|
|
|
|
/*!
|
|
* animate.css -http://daneden.me/animate
|
|
* Version - 3.5.1
|
|
* Licensed under the MIT license - http://opensource.org/licenses/MIT
|
|
*
|
|
* Copyright (c) 2016 Daniel Eden
|
|
*/
|
|
|
|
.animated {
|
|
-webkit-animation-duration: 1s;
|
|
animation-duration: 1s;
|
|
-webkit-animation-fill-mode: both;
|
|
animation-fill-mode: both;
|
|
}
|
|
|
|
.animated.infinite {
|
|
-webkit-animation-iteration-count: infinite;
|
|
animation-iteration-count: infinite;
|
|
}
|
|
|
|
.animated.hinge {
|
|
-webkit-animation-duration: 2s;
|
|
animation-duration: 2s;
|
|
}
|
|
|
|
.animated.flipOutX,
|
|
.animated.flipOutY,
|
|
.animated.bounceIn,
|
|
.animated.bounceOut {
|
|
-webkit-animation-duration: .75s;
|
|
animation-duration: .75s;
|
|
}
|
|
|
|
@-webkit-keyframes bounce {
|
|
from, 20%, 53%, 80%, to {
|
|
-webkit-animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
|
|
animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
|
|
-webkit-transform: translate3d(0,0,0);
|
|
transform: translate3d(0,0,0);
|
|
}
|
|
|
|
40%, 43% {
|
|
-webkit-animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
|
|
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
|
|
-webkit-transform: translate3d(0, -30px, 0);
|
|
transform: translate3d(0, -30px, 0);
|
|
}
|
|
|
|
70% {
|
|
-webkit-animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
|
|
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
|
|
-webkit-transform: translate3d(0, -15px, 0);
|
|
transform: translate3d(0, -15px, 0);
|
|
}
|
|
|
|
90% {
|
|
-webkit-transform: translate3d(0,-4px,0);
|
|
transform: translate3d(0,-4px,0);
|
|
}
|
|
}
|
|
`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
expect(errors.length).toEqual(0);
|
|
|
|
const ast = output.ast;
|
|
expect(ast.rules.length).toEqual(6);
|
|
|
|
const finalRule = <CssBlockRuleAst>ast.rules[ast.rules.length - 1];
|
|
expect(finalRule.type).toEqual(BlockType.Keyframes);
|
|
expect(finalRule.block.entries.length).toEqual(4);
|
|
});
|
|
});
|
|
}
|