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fix(compiler): properly shim :host:before and :host(:before) (#12171)

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fixes #12165
This commit is contained in:
Victor Berchet 2016-10-10 09:15:15 -07:00 committed by Tobias Bosch
parent f782b08f58
commit aa92512ac6
2 changed files with 11 additions and 5 deletions
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5
modules/@angular/compiler/src/shadow_css.ts
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@ -381,7 +381,10 @@ export class ShadowCss {
if (_polyfillHostRe.test(selector)) {
const replaceBy = this.strictStyling ? `[${hostSelector}]` : scopeSelector;
return selector.replace(_polyfillHostNoCombinatorRe, (hnc, selector) => selector + replaceBy)
return selector
.replace(
_polyfillHostNoCombinatorRe,
(hnc, selector) => selector[0] === ':' ? replaceBy + selector : selector + replaceBy)
.replace(_polyfillHostRe, replaceBy + ' ');
}

11
modules/@angular/compiler/test/shadow_css_spec.ts
View File

@ -112,10 +112,8 @@ export function main() {
it('should handle no context',
() => { expect(s(':host {}', 'a', 'a-host')).toEqual('[a-host] {}'); });
it('should handle tag selector', () => {
expect(s(':host(ul) {}', 'a', 'a-host')).toEqual('ul[a-host] {}');
});
it('should handle tag selector',
() => { expect(s(':host(ul) {}', 'a', 'a-host')).toEqual('ul[a-host] {}'); });
it('should handle class selector',
() => { expect(s(':host(.x) {}', 'a', 'a-host')).toEqual('.x[a-host] {}'); });
@ -141,6 +139,11 @@ export function main() {
expect(s(':host([a="b"],[c=d]) {}', 'a', 'a-host'))
.toEqual('[a="b"][a-host], [c="d"][a-host] {}');
});
it('should handle pseudo selector', () => {
expect(s(':host(:before) {}', 'a', 'a-host')).toEqual('[a-host]:before {}');
expect(s(':host:before {}', 'a', 'a-host')).toEqual('[a-host]:before {}');
});
});
describe((':host-context'), () => {