803 lines
30 KiB
TypeScript
803 lines
30 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google Inc. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
|
|
import {describe, expect, it} from '../../../core/testing/src/testing_internal';
|
|
import {CssBlockAst, CssBlockDefinitionRuleAst, CssBlockRuleAst, CssDefinitionAst, CssInlineRuleAst, CssKeyframeDefinitionAst, CssKeyframeRuleAst, CssMediaQueryRuleAst, CssSelectorRuleAst, CssStyleSheetAst, CssStyleValueAst} from '../../src/css_parser/css_ast';
|
|
import {BlockType, CssParseError, CssParser, CssToken, ParsedCssResult} from '../../src/css_parser/css_parser';
|
|
import {ParseLocation} from '../../src/parse_util';
|
|
|
|
export function assertTokens(tokens: CssToken[], valuesArr: string[]) {
|
|
for (let i = 0; i < tokens.length; i++) {
|
|
expect(tokens[i].strValue == valuesArr[i]);
|
|
}
|
|
}
|
|
|
|
export function main() {
|
|
describe('CssParser', () => {
|
|
function parse(css: string): ParsedCssResult {
|
|
return new CssParser().parse(css, 'some-fake-css-file.css');
|
|
}
|
|
|
|
function makeAst(css: string): CssStyleSheetAst {
|
|
const output = parse(css);
|
|
const errors = output.errors;
|
|
if (errors.length > 0) {
|
|
throw new Error(errors.map((error: CssParseError) => error.msg).join(', '));
|
|
}
|
|
return output.ast;
|
|
}
|
|
|
|
it('should parse CSS into a stylesheet Ast', () => {
|
|
const styles = '.selector { prop: value123; }';
|
|
|
|
const ast = makeAst(styles);
|
|
expect(ast.rules.length).toEqual(1);
|
|
|
|
const rule = <CssSelectorRuleAst>ast.rules[0];
|
|
const selector = rule.selectors[0];
|
|
expect(selector.strValue).toEqual('.selector');
|
|
|
|
const block: CssBlockAst = rule.block;
|
|
expect(block.entries.length).toEqual(1);
|
|
|
|
const definition = <CssDefinitionAst>block.entries[0];
|
|
expect(definition.property.strValue).toEqual('prop');
|
|
|
|
const value = <CssStyleValueAst>definition.value;
|
|
expect(value.tokens[0].strValue).toEqual('value123');
|
|
});
|
|
|
|
it('should parse multiple CSS selectors sharing the same set of styles', () => {
|
|
const styles = `
|
|
.class, #id, tag, [attr], key + value, * value, :-moz-any-link {
|
|
prop: value123;
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
expect(ast.rules.length).toEqual(1);
|
|
|
|
const rule = <CssSelectorRuleAst>ast.rules[0];
|
|
expect(rule.selectors.length).toBe(7);
|
|
|
|
const classRule = rule.selectors[0];
|
|
const idRule = rule.selectors[1];
|
|
const tagRule = rule.selectors[2];
|
|
const attrRule = rule.selectors[3];
|
|
const plusOpRule = rule.selectors[4];
|
|
const starOpRule = rule.selectors[5];
|
|
const mozRule = rule.selectors[6];
|
|
|
|
assertTokens(classRule.selectorParts[0].tokens, ['.', 'class']);
|
|
assertTokens(idRule.selectorParts[0].tokens, ['.', 'class']);
|
|
assertTokens(attrRule.selectorParts[0].tokens, ['[', 'attr', ']']);
|
|
|
|
assertTokens(plusOpRule.selectorParts[0].tokens, ['key']);
|
|
expect(plusOpRule.selectorParts[0].operator.strValue).toEqual('+');
|
|
assertTokens(plusOpRule.selectorParts[1].tokens, ['value']);
|
|
|
|
assertTokens(starOpRule.selectorParts[0].tokens, ['*']);
|
|
assertTokens(starOpRule.selectorParts[1].tokens, ['value']);
|
|
|
|
assertTokens(mozRule.selectorParts[0].pseudoSelectors[0].tokens, [':', '-moz-any-link']);
|
|
|
|
const style1 = <CssDefinitionAst>rule.block.entries[0];
|
|
expect(style1.property.strValue).toEqual('prop');
|
|
assertTokens(style1.value.tokens, ['value123']);
|
|
});
|
|
|
|
it('should parse keyframe rules', () => {
|
|
const styles = `
|
|
@keyframes rotateMe {
|
|
from {
|
|
transform: rotate(-360deg);
|
|
}
|
|
50% {
|
|
transform: rotate(0deg);
|
|
}
|
|
to {
|
|
transform: rotate(360deg);
|
|
}
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
expect(ast.rules.length).toEqual(1);
|
|
|
|
const rule = <CssKeyframeRuleAst>ast.rules[0];
|
|
expect(rule.name.strValue).toEqual('rotateMe');
|
|
|
|
const block = <CssBlockAst>rule.block;
|
|
const fromRule = <CssKeyframeDefinitionAst>block.entries[0];
|
|
|
|
expect(fromRule.name.strValue).toEqual('from');
|
|
const fromStyle = <CssDefinitionAst>(<CssBlockAst>fromRule.block).entries[0];
|
|
expect(fromStyle.property.strValue).toEqual('transform');
|
|
assertTokens(fromStyle.value.tokens, ['rotate', '(', '-360', 'deg', ')']);
|
|
|
|
const midRule = <CssKeyframeDefinitionAst>block.entries[1];
|
|
|
|
expect(midRule.name.strValue).toEqual('50%');
|
|
const midStyle = <CssDefinitionAst>(<CssBlockAst>midRule.block).entries[0];
|
|
expect(midStyle.property.strValue).toEqual('transform');
|
|
assertTokens(midStyle.value.tokens, ['rotate', '(', '0', 'deg', ')']);
|
|
|
|
const toRule = <CssKeyframeDefinitionAst>block.entries[2];
|
|
|
|
expect(toRule.name.strValue).toEqual('to');
|
|
const toStyle = <CssDefinitionAst>(<CssBlockAst>toRule.block).entries[0];
|
|
expect(toStyle.property.strValue).toEqual('transform');
|
|
assertTokens(toStyle.value.tokens, ['rotate', '(', '360', 'deg', ')']);
|
|
});
|
|
|
|
it('should parse media queries into a stylesheet Ast', () => {
|
|
const styles = `
|
|
@media all and (max-width:100px) {
|
|
.selector {
|
|
prop: value123;
|
|
}
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
expect(ast.rules.length).toEqual(1);
|
|
|
|
const rule = <CssMediaQueryRuleAst>ast.rules[0];
|
|
assertTokens(rule.query.tokens, ['all', 'and', '(', 'max-width', ':', '100', 'px', ')']);
|
|
|
|
const block = <CssBlockAst>rule.block;
|
|
expect(block.entries.length).toEqual(1);
|
|
|
|
const rule2 = <CssSelectorRuleAst>block.entries[0];
|
|
expect(rule2.selectors[0].strValue).toEqual('.selector');
|
|
|
|
const block2 = <CssBlockAst>rule2.block;
|
|
expect(block2.entries.length).toEqual(1);
|
|
});
|
|
|
|
it('should parse inline CSS values', () => {
|
|
const styles = `
|
|
@import url('remote.css');
|
|
@charset "UTF-8";
|
|
@namespace ng url(http://angular.io/namespace/ng);
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const importRule = <CssInlineRuleAst>ast.rules[0];
|
|
expect(importRule.type).toEqual(BlockType.Import);
|
|
assertTokens(importRule.value.tokens, ['url', '(', 'remote', '.', 'css', ')']);
|
|
|
|
const charsetRule = <CssInlineRuleAst>ast.rules[1];
|
|
expect(charsetRule.type).toEqual(BlockType.Charset);
|
|
assertTokens(charsetRule.value.tokens, ['UTF-8']);
|
|
|
|
const namespaceRule = <CssInlineRuleAst>ast.rules[2];
|
|
expect(namespaceRule.type).toEqual(BlockType.Namespace);
|
|
assertTokens(
|
|
namespaceRule.value.tokens, ['ng', 'url', '(', 'http://angular.io/namespace/ng', ')']);
|
|
});
|
|
|
|
it('should parse CSS values that contain functions and leave the inner function data untokenized',
|
|
() => {
|
|
const styles = `
|
|
.class {
|
|
background: url(matias.css);
|
|
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
|
|
height: calc(100% - 50px);
|
|
background-image: linear-gradient( 45deg, rgba(100, 0, 0, 0.5), black );
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
expect(ast.rules.length).toEqual(1);
|
|
|
|
const defs = (<CssSelectorRuleAst>ast.rules[0]).block.entries;
|
|
expect(defs.length).toEqual(4);
|
|
|
|
assertTokens((<CssDefinitionAst>defs[0]).value.tokens, ['url', '(', 'matias.css', ')']);
|
|
assertTokens(
|
|
(<CssDefinitionAst>defs[1]).value.tokens,
|
|
['cubic-bezier', '(', '0.755, 0.050, 0.855, 0.060', ')']);
|
|
assertTokens((<CssDefinitionAst>defs[2]).value.tokens, ['calc', '(', '100% - 50px', ')']);
|
|
assertTokens(
|
|
(<CssDefinitionAst>defs[3]).value.tokens,
|
|
['linear-gradient', '(', '45deg, rgba(100, 0, 0, 0.5), black', ')']);
|
|
});
|
|
|
|
it('should parse un-named block-level CSS values', () => {
|
|
const styles = `
|
|
@font-face {
|
|
font-family: "Matias";
|
|
font-weight: bold;
|
|
src: url(font-face.ttf);
|
|
}
|
|
@viewport {
|
|
max-width: 100px;
|
|
min-height: 1000px;
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const fontFaceRule = <CssBlockRuleAst>ast.rules[0];
|
|
expect(fontFaceRule.type).toEqual(BlockType.FontFace);
|
|
expect(fontFaceRule.block.entries.length).toEqual(3);
|
|
|
|
const viewportRule = <CssBlockRuleAst>ast.rules[1];
|
|
expect(viewportRule.type).toEqual(BlockType.Viewport);
|
|
expect(viewportRule.block.entries.length).toEqual(2);
|
|
});
|
|
|
|
it('should parse multiple levels of semicolons', () => {
|
|
const styles = `
|
|
;;;
|
|
@import url('something something')
|
|
;;;;;;;;
|
|
;;;;;;;;
|
|
;@font-face {
|
|
;src : url(font-face.ttf);;;;;;;;
|
|
;;;-webkit-animation:my-animation
|
|
};;;
|
|
@media all and (max-width:100px)
|
|
{;
|
|
.selector {prop: value123;};
|
|
;.selector2{prop:1}}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const importRule = <CssInlineRuleAst>ast.rules[0];
|
|
expect(importRule.type).toEqual(BlockType.Import);
|
|
assertTokens(importRule.value.tokens, ['url', '(', 'something something', ')']);
|
|
|
|
const fontFaceRule = <CssBlockRuleAst>ast.rules[1];
|
|
expect(fontFaceRule.type).toEqual(BlockType.FontFace);
|
|
expect(fontFaceRule.block.entries.length).toEqual(2);
|
|
|
|
const mediaQueryRule = <CssMediaQueryRuleAst>ast.rules[2];
|
|
assertTokens(
|
|
mediaQueryRule.query.tokens, ['all', 'and', '(', 'max-width', ':', '100', 'px', ')']);
|
|
expect(mediaQueryRule.block.entries.length).toEqual(2);
|
|
});
|
|
|
|
it('should throw an error if an unknown @value block rule is parsed', () => {
|
|
const styles = `
|
|
@matias { hello: there; }
|
|
`;
|
|
|
|
expect(() => {
|
|
makeAst(styles);
|
|
}).toThrowError(/^CSS Parse Error: The CSS "at" rule "@matias" is not allowed to used here/g);
|
|
});
|
|
|
|
it('should parse empty rules', () => {
|
|
const styles = `
|
|
.empty-rule { }
|
|
.somewhat-empty-rule { /* property: value; */ }
|
|
.non-empty-rule { property: value; }
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const rules = ast.rules;
|
|
expect((<CssSelectorRuleAst>rules[0]).block.entries.length).toEqual(0);
|
|
expect((<CssSelectorRuleAst>rules[1]).block.entries.length).toEqual(0);
|
|
expect((<CssSelectorRuleAst>rules[2]).block.entries.length).toEqual(1);
|
|
});
|
|
|
|
it('should parse the @document rule', () => {
|
|
const styles = `
|
|
@document url(http://www.w3.org/),
|
|
url-prefix(http://www.w3.org/Style/),
|
|
domain(mozilla.org),
|
|
regexp("https:.*")
|
|
{
|
|
/* CSS rules here apply to:
|
|
- The page "http://www.w3.org/".
|
|
- Any page whose URL begins with "http://www.w3.org/Style/"
|
|
- Any page whose URL's host is "mozilla.org" or ends with
|
|
".mozilla.org"
|
|
- Any page whose URL starts with "https:" */
|
|
|
|
/* make the above-mentioned pages really ugly */
|
|
body {
|
|
color: purple;
|
|
background: yellow;
|
|
}
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const rules = ast.rules;
|
|
const documentRule = <CssBlockDefinitionRuleAst>rules[0];
|
|
expect(documentRule.type).toEqual(BlockType.Document);
|
|
|
|
const rule = <CssSelectorRuleAst>documentRule.block.entries[0];
|
|
expect(rule.strValue).toEqual('body');
|
|
});
|
|
|
|
it('should parse the @page rule', () => {
|
|
const styles = `
|
|
@page one {
|
|
.selector { prop: value; }
|
|
}
|
|
@page two {
|
|
.selector2 { prop: value2; }
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const rules = ast.rules;
|
|
|
|
const pageRule1 = <CssBlockDefinitionRuleAst>rules[0];
|
|
expect(pageRule1.query.strValue).toEqual('@page one');
|
|
expect(pageRule1.query.tokens[0].strValue).toEqual('one');
|
|
expect(pageRule1.type).toEqual(BlockType.Page);
|
|
|
|
const pageRule2 = <CssBlockDefinitionRuleAst>rules[1];
|
|
expect(pageRule2.query.strValue).toEqual('@page two');
|
|
expect(pageRule2.query.tokens[0].strValue).toEqual('two');
|
|
expect(pageRule2.type).toEqual(BlockType.Page);
|
|
|
|
const selectorOne = <CssSelectorRuleAst>pageRule1.block.entries[0];
|
|
expect(selectorOne.strValue).toEqual('.selector');
|
|
|
|
const selectorTwo = <CssSelectorRuleAst>pageRule2.block.entries[0];
|
|
expect(selectorTwo.strValue).toEqual('.selector2');
|
|
});
|
|
|
|
it('should parse the @supports rule', () => {
|
|
const styles = `
|
|
@supports (animation-name: "rotate") {
|
|
a:hover { animation: rotate 1s; }
|
|
}
|
|
`;
|
|
|
|
const ast = makeAst(styles);
|
|
|
|
const rules = ast.rules;
|
|
|
|
const supportsRule = <CssBlockDefinitionRuleAst>rules[0];
|
|
assertTokens(supportsRule.query.tokens, ['(', 'animation-name', ':', 'rotate', ')']);
|
|
expect(supportsRule.type).toEqual(BlockType.Supports);
|
|
|
|
const selectorOne = <CssSelectorRuleAst>supportsRule.block.entries[0];
|
|
expect(selectorOne.strValue).toEqual('a:hover');
|
|
});
|
|
|
|
it('should collect multiple errors during parsing', () => {
|
|
const styles = `
|
|
.class$value { something: something }
|
|
@custom { something: something }
|
|
#id { cool^: value }
|
|
`;
|
|
|
|
const output = parse(styles);
|
|
expect(output.errors.length).toEqual(3);
|
|
});
|
|
|
|
it('should recover from selector errors and continue parsing', () => {
|
|
const styles = `
|
|
tag& { key: value; }
|
|
.%tag { key: value; }
|
|
#tag$ { key: value; }
|
|
`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
const ast = output.ast;
|
|
|
|
expect(errors.length).toEqual(3);
|
|
|
|
expect(ast.rules.length).toEqual(3);
|
|
|
|
const rule1 = <CssSelectorRuleAst>ast.rules[0];
|
|
expect(rule1.selectors[0].strValue).toEqual('tag&');
|
|
expect(rule1.block.entries.length).toEqual(1);
|
|
|
|
const rule2 = <CssSelectorRuleAst>ast.rules[1];
|
|
expect(rule2.selectors[0].strValue).toEqual('.%tag');
|
|
expect(rule2.block.entries.length).toEqual(1);
|
|
|
|
const rule3 = <CssSelectorRuleAst>ast.rules[2];
|
|
expect(rule3.selectors[0].strValue).toEqual('#tag$');
|
|
expect(rule3.block.entries.length).toEqual(1);
|
|
});
|
|
|
|
it('should throw an error when parsing invalid CSS Selectors', () => {
|
|
const styles = '.class[[prop%=value}] { style: val; }';
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
|
|
expect(errors.length).toEqual(3);
|
|
|
|
expect(errors[0].msg).toMatch(/Unexpected character \[\[\] at column 0:7/g);
|
|
|
|
expect(errors[1].msg).toMatch(/Unexpected character \[%\] at column 0:12/g);
|
|
|
|
expect(errors[2].msg).toMatch(/Unexpected character \[}\] at column 0:19/g);
|
|
});
|
|
|
|
it('should throw an error if an attribute selector is not closed properly', () => {
|
|
const styles = '.class[prop=value { style: val; }';
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
|
|
expect(errors[0].msg).toMatch(/Unbalanced CSS attribute selector at column 0:12/g);
|
|
});
|
|
|
|
it('should throw an error if a pseudo function selector is not closed properly', () => {
|
|
const styles = 'body:lang(en { key:value; }';
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
|
|
expect(errors[0].msg)
|
|
.toMatch(/Character does not match expected Character value \("{" should match "\)"\)/);
|
|
});
|
|
|
|
it('should raise an error when a semi colon is missing from a CSS style/pair that isn\'t the last entry',
|
|
() => {
|
|
const styles = `.class {
|
|
color: red
|
|
background: blue
|
|
}`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
|
|
expect(errors.length).toEqual(1);
|
|
|
|
expect(errors[0].msg)
|
|
.toMatch(/The CSS key\/value definition did not end with a semicolon at column 1:15/g);
|
|
});
|
|
|
|
it('should parse the inner value of a :not() pseudo-selector as a CSS selector', () => {
|
|
const styles = `div:not(.ignore-this-div) {
|
|
prop: value;
|
|
}`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
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[0];
|
|
assertTokens(simpleSelector.tokens, ['div']);
|
|
|
|
const pseudoSelector = simpleSelector.pseudoSelectors[0];
|
|
expect(pseudoSelector.name).toEqual('not');
|
|
assertTokens(pseudoSelector.tokens, ['.', 'ignore-this-div']);
|
|
});
|
|
|
|
it('should parse the inner selectors of a :host-context selector', () => {
|
|
const styles = `body > :host-context(.a, .b, .c:hover) {
|
|
prop: value;
|
|
}`;
|
|
|
|
const output = parse(styles);
|
|
const errors = output.errors;
|
|
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);
|
|
});
|
|
});
|
|
}
|