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fix(ivy): ngcc - capture entry-points in top-level path-mapped folders (#31027)

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The `EntryPointFinder` computes the base paths to consider
when searching for entry-points. When there are `pathMappings`
provided it works out the best top level base-paths that cover all
the potential mappings.

If this computed basePath happens to coincide with an entry-point
path itself then we were missing it.

Now we check for an entry-point even at the base-path itself.

Related to https://github.com/angular/angular-cli/pull/14755

PR Close #31027
This commit is contained in:
Pete Bacon Darwin
2019-06-13 12:20:02 +01:00
committed by Andrew Kushnir
parent cc0bd11a5e
commit 0c3bb6a731
2 changed files with 52 additions and 13 deletions
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35
packages/compiler-cli/ngcc/test/packages/entry_point_finder_spec.ts
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@ -52,6 +52,21 @@ describe('findEntryPoints()', () => {
]);
});
it('should find entry-points via `pathMappings', () => {
const {entryPoints} = finder.findEntryPoints(
_('/pathMappings/node_modules'), undefined,
{baseUrl: _('/pathMappings'), paths: {'my-lib': ['dist/my-lib']}});
const entryPointPaths = entryPoints.map(x => [x.package, x.path]);
expect(entryPointPaths).toEqual([
[_('/pathMappings/dist/my-lib'), _('/pathMappings/dist/my-lib')],
[_('/pathMappings/dist/my-lib'), _('/pathMappings/dist/my-lib/sub-lib')],
[
_('/pathMappings/node_modules/@angular/common'),
_('/pathMappings/node_modules/@angular/common')
],
]);
});
it('should return an empty array if there are no packages', () => {
const {entryPoints} = finder.findEntryPoints(_('/no_packages'));
expect(entryPoints).toEqual([]);
@ -105,6 +120,26 @@ describe('findEntryPoints()', () => {
},
},
},
'/pathMappings': {
'dist': {
'my-lib': {
'package.json': createPackageJson('my-lib'),
'my-lib.metadata.json': 'metadata info',
'sub-lib': {
'package.json': createPackageJson('sub-lib'),
'sub-lib.metadata.json': 'metadata info',
},
},
},
'node_modules': {
'@angular': {
'common': {
'package.json': createPackageJson('common'),
'common.metadata.json': 'metadata info',
},
},
}
},
'/namespaced': {
'@angular': {
'common': {