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dario-piotrowicz
051f75648d
Ensure that keyframes rules, defined within components with emulated
view encapsulation, are scoped to avoid collisions with keyframes in
other components.
This is achieved by renaming these keyframes to add a prefix that makes
them unique across the application.
In order to enable the handling of keyframes names defined as strings
the previous strategy of replacing quoted css content with `%QUOTED%`
(introduced in commit 7f689a2) has been removed and in its place now
only specific characters inside quotes are being replaced with
placeholder text (those are `;`, `:` and `,`, more can be added in
the future if the need arises).
Closes #33885
BREAKING CHANGE:
Keyframes names are now prefixed with the component's "scope name".
For example, the following keyframes rule in a component definition,
whose "scope name" is host-my-cmp:
@keyframes foo { ... }
will become:
@keyframes host-my-cmp_foo { ... }
Any TypeScript/JavaScript code which relied on the names of keyframes rules
will no longer match.
The recommended solutions in this case are to either:
- change the component's view encapsulation to the `None` or `ShadowDom`
- define keyframes rules in global stylesheets (e.g styles.css)
- define keyframes rules programmatically in code.
PR Close #42608
535 lines
19 KiB
TypeScript
535 lines
19 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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 {ShadowCss} from '@angular/compiler/src/shadow_css';
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describe('ShadowCss, keyframes and animations', () => {
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function s(css: string, contentAttr: string, hostAttr: string = '') {
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const shadowCss = new ShadowCss();
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return shadowCss.shimCssText(css, contentAttr, hostAttr);
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}
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it('should scope keyframes rules', () => {
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const css = '@keyframes foo {0% {transform:translate(-50%) scaleX(0);}}';
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const expected = '@keyframes host-a_foo {0% {transform:translate(-50%) scaleX(0);}}';
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expect(s(css, 'host-a')).toEqual(expected);
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});
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it('should scope -webkit-keyframes rules', () => {
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const css = '@-webkit-keyframes foo {0% {-webkit-transform:translate(-50%) scaleX(0);}} ';
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const expected =
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'@-webkit-keyframes host-a_foo {0% {-webkit-transform:translate(-50%) scaleX(0);}}';
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expect(s(css, 'host-a')).toEqual(expected);
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});
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it('should scope animations using local keyframes identifiers', () => {
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const css = `
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button {
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animation: foo 10s ease;
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}
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@keyframes foo {
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0% {
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transform: translate(-50%) scaleX(0);
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}
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}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation: host-a_foo 10s ease;');
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});
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it('should not scope animations using non-local keyframes identifiers', () => {
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const css = `
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button {
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animation: foo 10s ease;
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}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation: foo 10s ease;');
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});
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it('should scope animation-names using local keyframes identifiers', () => {
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const css = `
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button {
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animation-name: foo;
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}
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@keyframes foo {
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0% {
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transform: translate(-50%) scaleX(0);
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}
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}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation-name: host-a_foo;');
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});
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it('should not scope animation-names using non-local keyframes identifiers', () => {
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const css = `
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button {
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animation-name: foo;
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}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation-name: foo;');
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});
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it('should handle (scope or not) multiple animation-names', () => {
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const css = `
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button {
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animation-name: foo, bar,baz, qux , quux ,corge ,grault ,garply, waldo;
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}
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@keyframes foo {}
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@keyframes baz {}
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@keyframes quux {}
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@keyframes grault {}
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@keyframes waldo {}`;
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const result = s(css, 'host-a');
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const animationNames = [
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'host-a_foo',
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' bar',
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'host-a_baz',
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' qux ',
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' host-a_quux ',
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'corge ',
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'host-a_grault ',
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'garply',
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' host-a_waldo',
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];
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const expected = `animation-name: ${animationNames.join(',')};`;
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expect(result).toContain(expected);
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});
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it('should handle (scope or not) multiple animation-names defined over multiple lines', () => {
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const css = `
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button {
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animation-name: foo,
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bar,baz,
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qux ,
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quux ,
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grault,
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garply, waldo;
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}
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@keyframes foo {}
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@keyframes baz {}
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@keyframes quux {}
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@keyframes grault {}`;
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const result = s(css, 'host-a');
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['foo', 'baz', 'quux', 'grault'].forEach(
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scoped => expect(result).toContain(`host-a_${scoped}`));
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['bar', 'qux', 'garply', 'waldo'].forEach(nonScoped => {
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expect(result).toContain(nonScoped);
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expect(result).not.toContain(`host-a_${nonScoped}`);
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});
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});
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it('should handle (scope or not) multiple animation definitions in a single declaration', () => {
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const css = `
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div {
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animation: 1s ease foo, 2s bar infinite, forwards baz 3s;
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}
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p {
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animation: 1s "foo", 2s "bar";
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}
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span {
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animation: .5s ease 'quux',
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1s foo infinite, forwards "baz'" 1.5s,
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2s bar;
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}
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button {
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animation: .5s bar,
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1s foo 0.3s, 2s quux;
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}
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@keyframes bar {}
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@keyframes quux {}
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@keyframes "baz'" {}`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation: 1s ease foo, 2s host-a_bar infinite, forwards baz 3s;');
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expect(result).toContain('animation: 1s "foo", 2s "host-a_bar";');
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expect(result).toContain(`
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animation: .5s host-a_bar,
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1s foo 0.3s, 2s host-a_quux;`);
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expect(result).toContain(`
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animation: .5s ease 'host-a_quux',
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1s foo infinite, forwards "host-a_baz'" 1.5s,
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2s host-a_bar;`);
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});
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it(`should not modify css variables ending with 'animation' even if they reference a local keyframes identifier`,
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() => {
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const css = `
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button {
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--variable-animation: foo;
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}
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@keyframes foo {}`;
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const result = s(css, 'host-a');
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expect(result).toContain('--variable-animation: foo;');
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});
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it(`should not modify css variables ending with 'animation-name' even if they reference a local keyframes identifier`,
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() => {
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const css = `
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button {
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--variable-animation-name: foo;
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}
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@keyframes foo {}`;
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const result = s(css, 'host-a');
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expect(result).toContain('--variable-animation-name: foo;');
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});
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it('should maintain the spacing when handling (scoping or not) keyframes and animations', () => {
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const css = `
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div {
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animation-name : foo;
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animation: 5s bar 1s backwards;
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animation : 3s baz ;
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animation-name:foobar ;
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animation:1s "foo" , 2s "bar",3s "quux";
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}
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@-webkit-keyframes bar {}
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@keyframes foobar {}
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@keyframes quux {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation-name : foo;');
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expect(result).toContain('animation: 5s host-a_bar 1s backwards;');
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expect(result).toContain('animation : 3s baz ;');
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expect(result).toContain('animation-name:host-a_foobar ;');
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expect(result).toContain('@-webkit-keyframes host-a_bar {}');
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expect(result).toContain('@keyframes host-a_foobar {}');
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expect(result).toContain('animation:1s "foo" , 2s "host-a_bar",3s "host-a_quux"');
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});
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it('should correctly process animations defined without any prefixed space', () => {
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let css = '.test{display: flex;animation:foo 1s forwards;} @keyframes foo {}';
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let expected =
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'.test[host-a]{display: flex;animation:host-a_foo 1s forwards;} @keyframes host-a_foo {}';
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expect(s(css, 'host-a')).toEqual(expected);
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css = '.test{animation:foo 2s forwards;} @keyframes foo {}';
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expected = '.test[host-a]{animation:host-a_foo 2s forwards;} @keyframes host-a_foo {}';
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expect(s(css, 'host-a')).toEqual(expected);
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css = 'button {display: block;animation-name: foobar;} @keyframes foobar {}';
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expected =
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'button[host-a] {display: block;animation-name: host-a_foobar;} @keyframes host-a_foobar {}';
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expect(s(css, 'host-a')).toEqual(expected);
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});
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it('should correctly process keyframes defined without any prefixed space', () => {
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let css = '.test{display: flex;animation:bar 1s forwards;}@keyframes bar {}';
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let expected =
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'.test[host-a]{display: flex;animation:host-a_bar 1s forwards;}@keyframes host-a_bar {}';
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expect(s(css, 'host-a')).toEqual(expected);
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css = '.test{animation:bar 2s forwards;}@-webkit-keyframes bar {}';
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expected = '.test[host-a]{animation:host-a_bar 2s forwards;}@-webkit-keyframes host-a_bar {}';
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expect(s(css, 'host-a')).toEqual(expected);
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});
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it('should ignore keywords values when scoping local animations', () => {
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const css = `
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div {
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animation: inherit;
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animation: unset;
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animation: 3s ease reverse foo;
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animation: 5s foo 1s backwards;
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animation: none 1s foo;
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animation: .5s foo paused;
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animation: 1s running foo;
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animation: 3s linear 1s infinite running foo;
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animation: 5s foo ease;
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animation: 3s .5s infinite steps(3,end) foo;
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animation: 5s steps(9, jump-start) jump .5s;
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animation: 1s step-end steps;
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}
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@keyframes foo {}
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@keyframes inherit {}
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@keyframes unset {}
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@keyframes ease {}
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@keyframes reverse {}
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@keyframes backwards {}
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@keyframes none {}
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@keyframes paused {}
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@keyframes linear {}
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@keyframes running {}
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@keyframes end {}
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@keyframes jump {}
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@keyframes start {}
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@keyframes steps {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('animation: inherit;');
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expect(result).toContain('animation: unset;');
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expect(result).toContain('animation: 3s ease reverse host-a_foo;');
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expect(result).toContain('animation: 5s host-a_foo 1s backwards;');
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expect(result).toContain('animation: none 1s host-a_foo;');
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expect(result).toContain('animation: .5s host-a_foo paused;');
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expect(result).toContain('animation: 1s running host-a_foo;');
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expect(result).toContain('animation: 3s linear 1s infinite running host-a_foo;');
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expect(result).toContain('animation: 5s host-a_foo ease;');
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expect(result).toContain('animation: 3s .5s infinite steps(3,end) host-a_foo;');
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expect(result).toContain('animation: 5s steps(9, jump-start) host-a_jump .5s;');
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expect(result).toContain('animation: 1s step-end host-a_steps;');
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});
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it('should handle the usage of quotes', () => {
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const css = `
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div {
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animation: 1.5s foo;
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}
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p {
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animation: 1s 'foz bar';
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}
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@keyframes 'foo' {}
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@keyframes "foz bar" {}
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@keyframes bar {}
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@keyframes baz {}
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@keyframes qux {}
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@keyframes quux {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('@keyframes \'host-a_foo\' {}');
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expect(result).toContain('@keyframes "host-a_foz bar" {}');
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expect(result).toContain('animation: 1.5s host-a_foo;');
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expect(result).toContain('animation: 1s \'host-a_foz bar\';');
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});
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it('should handle the usage of quotes containing escaped quotes', () => {
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const css = `
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div {
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animation: 1.5s "foo\\"bar";
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}
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p {
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animation: 1s 'bar\\' \\'baz';
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}
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button {
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animation-name: 'foz " baz';
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}
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@keyframes "foo\\"bar" {}
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@keyframes "bar' 'baz" {}
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@keyframes "foz \\" baz" {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('@keyframes "host-a_foo\\"bar" {}');
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expect(result).toContain(`@keyframes "host-a_bar' 'baz" {}`);
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expect(result).toContain('@keyframes "host-a_foz \\" baz" {}');
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expect(result).toContain('animation: 1.5s "host-a_foo\\"bar";');
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expect(result).toContain('animation: 1s \'host-a_bar\\\' \\\'baz\';');
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expect(result).toContain(`animation-name: 'host-a_foz " baz';`);
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});
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it('should handle the usage of commas in multiple animation definitions in a single declaration',
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() => {
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const css = `
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button {
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animation: 1s "foo bar, baz", 2s 'qux quux';
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}
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div {
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animation: 500ms foo, 1s 'bar, baz', 1500ms bar;
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}
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p {
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animation: 3s "bar, baz", 3s 'foo, bar' 1s, 3s "qux quux";
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}
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@keyframes "qux quux" {}
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@keyframes "bar, baz" {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('@keyframes "host-a_qux quux" {}');
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expect(result).toContain('@keyframes "host-a_bar, baz" {}');
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expect(result).toContain(`animation: 1s "foo bar, baz", 2s 'host-a_qux quux';`);
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expect(result).toContain('animation: 500ms foo, 1s \'host-a_bar, baz\', 1500ms bar;');
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expect(result).toContain(
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`animation: 3s "host-a_bar, baz", 3s 'foo, bar' 1s, 3s "host-a_qux quux";`);
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});
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it('should handle the usage of double quotes escaping in multiple animation definitions in a single declaration',
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() => {
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const css = `
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div {
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animation: 1s "foo", 1.5s "bar";
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animation: 2s "fo\\"o", 2.5s "bar";
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animation: 3s "foo\\"", 3.5s "bar", 3.7s "ba\\"r";
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animation: 4s "foo\\\\", 4.5s "bar", 4.7s "baz\\"";
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animation: 5s "fo\\\\\\"o", 5.5s "bar", 5.7s "baz\\"";
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}
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@keyframes "foo" {}
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@keyframes "fo\\"o" {}
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@keyframes 'foo"' {}
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@keyframes 'foo\\\\' {}
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@keyframes bar {}
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@keyframes "ba\\"r" {}
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@keyframes "fo\\\\\\"o" {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('@keyframes "host-a_foo" {}');
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expect(result).toContain('@keyframes "host-a_fo\\"o" {}');
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expect(result).toContain(`@keyframes 'host-a_foo"' {}`);
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expect(result).toContain('@keyframes \'host-a_foo\\\\\' {}');
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expect(result).toContain('@keyframes host-a_bar {}');
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expect(result).toContain('@keyframes "host-a_ba\\"r" {}');
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expect(result).toContain('@keyframes "host-a_fo\\\\\\"o"');
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expect(result).toContain('animation: 1s "host-a_foo", 1.5s "host-a_bar";');
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expect(result).toContain('animation: 2s "host-a_fo\\"o", 2.5s "host-a_bar";');
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expect(result).toContain(
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'animation: 3s "host-a_foo\\"", 3.5s "host-a_bar", 3.7s "host-a_ba\\"r";');
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expect(result).toContain(
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'animation: 4s "host-a_foo\\\\", 4.5s "host-a_bar", 4.7s "baz\\"";');
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expect(result).toContain(
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'animation: 5s "host-a_fo\\\\\\"o", 5.5s "host-a_bar", 5.7s "baz\\"";');
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});
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it('should handle the usage of single quotes escaping in multiple animation definitions in a single declaration',
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() => {
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const css = `
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div {
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animation: 1s 'foo', 1.5s 'bar';
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animation: 2s 'fo\\'o', 2.5s 'bar';
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animation: 3s 'foo\\'', 3.5s 'bar', 3.7s 'ba\\'r';
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animation: 4s 'foo\\\\', 4.5s 'bar', 4.7s 'baz\\'';
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animation: 5s 'fo\\\\\\'o', 5.5s 'bar', 5.7s 'baz\\'';
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}
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@keyframes foo {}
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@keyframes 'fo\\'o' {}
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@keyframes 'foo'' {}
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@keyframes 'foo\\\\' {}
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@keyframes "bar" {}
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@keyframes 'ba\\'r' {}
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@keyframes "fo\\\\\\'o" {}
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`;
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const result = s(css, 'host-a');
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expect(result).toContain('@keyframes host-a_foo {}');
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expect(result).toContain('@keyframes \'host-a_fo\\\'o\' {}');
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expect(result).toContain('@keyframes \'host-a_foo\'\' {}');
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expect(result).toContain('@keyframes \'host-a_foo\\\\\' {}');
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expect(result).toContain('@keyframes "host-a_bar" {}');
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expect(result).toContain('@keyframes \'host-a_ba\\\'r\' {}');
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expect(result).toContain(`@keyframes "host-a_fo\\\\\\'o" {}`);
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expect(result).toContain('animation: 1s \'host-a_foo\', 1.5s \'host-a_bar\';');
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expect(result).toContain('animation: 2s \'host-a_fo\\\'o\', 2.5s \'host-a_bar\';');
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expect(result).toContain(
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'animation: 3s \'host-a_foo\\\'\', 3.5s \'host-a_bar\', 3.7s \'host-a_ba\\\'r\';');
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expect(result).toContain(
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'animation: 4s \'host-a_foo\\\\\', 4.5s \'host-a_bar\', 4.7s \'baz\\\'\';');
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expect(result).toContain(
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'animation: 5s \'host-a_fo\\\\\\\'o\', 5.5s \'host-a_bar\', 5.7s \'baz\\\'\'');
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|
});
|
|
|
|
it('should handle the usage of mixed single and double quotes escaping in multiple animation definitions in a single declaration',
|
|
() => {
|
|
const css = `
|
|
div {
|
|
animation: 1s 'f\\"oo', 1.5s "ba\\'r";
|
|
animation: 2s "fo\\"\\"o", 2.5s 'b\\\\"ar';
|
|
animation: 3s 'foo\\\\', 3.5s "b\\\\\\"ar", 3.7s 'ba\\'\\"\\'r';
|
|
animation: 4s 'fo\\'o', 4.5s 'b\\"ar\\"', 4.7s "baz\\'";
|
|
}
|
|
|
|
@keyframes 'f"oo' {}
|
|
@keyframes 'fo""o' {}
|
|
@keyframes 'foo\\\\' {}
|
|
@keyframes 'fo\\'o' {}
|
|
@keyframes 'ba\\'r' {}
|
|
@keyframes 'b\\\\"ar' {}
|
|
@keyframes 'b\\\\\\"ar' {}
|
|
@keyframes 'b"ar"' {}
|
|
@keyframes 'ba\\'\\"\\'r' {}
|
|
`;
|
|
const result = s(css, 'host-a');
|
|
expect(result).toContain(`@keyframes 'host-a_f"oo' {}`);
|
|
expect(result).toContain(`@keyframes 'host-a_fo""o' {}`);
|
|
expect(result).toContain('@keyframes \'host-a_foo\\\\\' {}');
|
|
expect(result).toContain('@keyframes \'host-a_fo\\\'o\' {}');
|
|
expect(result).toContain('@keyframes \'host-a_ba\\\'r\' {}');
|
|
expect(result).toContain(`@keyframes 'host-a_b\\\\"ar' {}`);
|
|
expect(result).toContain(`@keyframes 'host-a_b\\\\\\"ar' {}`);
|
|
expect(result).toContain(`@keyframes 'host-a_b"ar"' {}`);
|
|
expect(result).toContain(`@keyframes 'host-a_ba\\'\\"\\'r' {}`);
|
|
expect(result).toContain(`animation: 1s 'host-a_f\\"oo', 1.5s "host-a_ba\\'r";`);
|
|
expect(result).toContain(`animation: 2s "host-a_fo\\"\\"o", 2.5s 'host-a_b\\\\"ar';`);
|
|
expect(result).toContain(
|
|
`animation: 3s 'host-a_foo\\\\', 3.5s "host-a_b\\\\\\"ar", 3.7s 'host-a_ba\\'\\"\\'r';`);
|
|
expect(result).toContain(
|
|
`animation: 4s 'host-a_fo\\'o', 4.5s 'host-a_b\\"ar\\"', 4.7s "baz\\'";`);
|
|
});
|
|
|
|
it('should handle the usage of commas inside quotes', () => {
|
|
const css = `
|
|
div {
|
|
animation: 3s 'bar,, baz';
|
|
}
|
|
|
|
p {
|
|
animation-name: "bar,, baz", foo,'ease, linear , inherit', bar;
|
|
}
|
|
|
|
@keyframes 'foo' {}
|
|
@keyframes 'bar,, baz' {}
|
|
@keyframes 'ease, linear , inherit' {}
|
|
`;
|
|
const result = s(css, 'host-a');
|
|
expect(result).toContain('@keyframes \'host-a_bar,, baz\' {}');
|
|
expect(result).toContain('animation: 3s \'host-a_bar,, baz\';');
|
|
expect(result).toContain(
|
|
`animation-name: "host-a_bar,, baz", host-a_foo,'host-a_ease, linear , inherit', bar;`);
|
|
});
|
|
|
|
it('should not ignore animation keywords when they are inside quotes', () => {
|
|
const css = `
|
|
div {
|
|
animation: 3s 'unset';
|
|
}
|
|
|
|
button {
|
|
animation: 5s "forwards" 1s forwards;
|
|
}
|
|
|
|
@keyframes unset {}
|
|
@keyframes forwards {}
|
|
`;
|
|
const result = s(css, 'host-a');
|
|
expect(result).toContain('@keyframes host-a_unset {}');
|
|
expect(result).toContain('@keyframes host-a_forwards {}');
|
|
expect(result).toContain('animation: 3s \'host-a_unset\';');
|
|
expect(result).toContain('animation: 5s "host-a_forwards" 1s forwards;');
|
|
});
|
|
|
|
it('should handle css functions correctly', () => {
|
|
const css = `
|
|
div {
|
|
animation: foo 0.5s alternate infinite cubic-bezier(.17, .67, .83, .67);
|
|
}
|
|
|
|
button {
|
|
animation: calc(2s / 2) calc;
|
|
}
|
|
|
|
@keyframes foo {}
|
|
@keyframes cubic-bezier {}
|
|
@keyframes calc {}
|
|
`;
|
|
const result = s(css, 'host-a');
|
|
expect(result).toContain('@keyframes host-a_cubic-bezier {}');
|
|
expect(result).toContain('@keyframes host-a_calc {}');
|
|
expect(result).toContain(
|
|
'animation: host-a_foo 0.5s alternate infinite cubic-bezier(.17, .67, .83, .67);');
|
|
expect(result).toContain('animation: calc(2s / 2) host-a_calc;');
|
|
});
|
|
});
|