cargdev/angular
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(compiler): ignore @import in comments (#13368)

Browse Source 
* refactor(compiler): clean up style url resolver
* fix(compiler): ignore @import in css comments

Closes #12196
This commit is contained in:
Dzmitry Shylovich
2016-12-21 04:51:02 +03:00
committed by Chuck Jazdzewski
parent bcd37f52fb
commit c0f750af4e
2 changed files with 27 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
modules/@angular/compiler/src/style_url_resolver.ts
View File

@ -9,8 +9,6 @@
// Some of the code comes from WebComponents.JS
// https://github.com/webcomponents/webcomponentsjs/blob/master/src/HTMLImports/path.js
import {isBlank, isPresent} from './facade/lang';
import {UrlResolver} from './url_resolver';
export class StyleWithImports {
@ -18,8 +16,8 @@ export class StyleWithImports {
}
export function isStyleUrlResolvable(url: string): boolean {
if (isBlank(url) || url.length === 0 || url[0] == '/') return false;
const schemeMatch = url.match(_urlWithSchemaRe);
if (url == null || url.length === 0 || url[0] == '/') return false;
const schemeMatch = url.match(URL_WITH_SCHEMA_REGEXP);
return schemeMatch === null || schemeMatch[1] == 'package' || schemeMatch[1] == 'asset';
}
@ -30,17 +28,20 @@ export function isStyleUrlResolvable(url: string): boolean {
export function extractStyleUrls(
resolver: UrlResolver, baseUrl: string, cssText: string): StyleWithImports {
const foundUrls: string[] = [];
const modifiedCssText = cssText.replace(_cssImportRe, function(...m: string[]) {
const url = m[1] || m[2];
if (!isStyleUrlResolvable(url)) {
// Do not attempt to resolve non-package absolute URLs with URI scheme
return m[0];
}
foundUrls.push(resolver.resolve(baseUrl, url));
return '';
});
const modifiedCssText =
cssText.replace(CSS_COMMENT_REGEXP, '').replace(CSS_IMPORT_REGEXP, (...m: string[]) => {
const url = m[1] || m[2];
if (!isStyleUrlResolvable(url)) {
// Do not attempt to resolve non-package absolute URLs with URI scheme
return m[0];
}
foundUrls.push(resolver.resolve(baseUrl, url));
return '';
});
return new StyleWithImports(modifiedCssText, foundUrls);
}
const _cssImportRe = /@import\s+(?:url\()?\s*(?:(?:['"]([^'"]*))|([^;\)\s]*))[^;]*;?/g;
const _urlWithSchemaRe = /^([^:/?#]+):/;
const CSS_IMPORT_REGEXP = /@import\s+(?:url\()?\s*(?:(?:['"]([^'"]*))|([^;\)\s]*))[^;]*;?/g;
const CSS_COMMENT_REGEXP = /\/\*.+?\*\//g;
const URL_WITH_SCHEMA_REGEXP = /^([^:/?#]+):/;