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refactor(ivy): ngcc - implement abstract FileSystem (#29643)

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This commit introduces a new interface, which abstracts access
to the underlying `FileSystem`. There is initially one concrete
implementation, `NodeJsFileSystem`, which is simply wrapping the
`fs` library of NodeJs.

Going forward, we can provide a `MockFileSystem` for test, which
should allow us to stop using `mock-fs` for most of the unit tests.
We could also implement a `CachedFileSystem` that may improve the
performance of ngcc.

PR Close #29643
This commit is contained in:
Pete Bacon Darwin
2019-04-28 20:47:57 +01:00
committed by Andrew Kushnir
parent 1fd2cc6340
commit 16d7dde2ad
36 changed files with 590 additions and 353 deletions
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12
packages/compiler-cli/ngcc/test/host/esm2015_host_spec.ts
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@ -8,7 +8,7 @@
import * as ts from 'typescript';
import {ClassMemberKind, Import, isNamedClassDeclaration, isNamedFunctionDeclaration, isNamedVariableDeclaration} from '../../../src/ngtsc/reflection';
import {ClassMemberKind, CtorParameter, Import, isNamedClassDeclaration, isNamedFunctionDeclaration, isNamedVariableDeclaration} from '../../../src/ngtsc/reflection';
import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
import {MockLogger} from '../helpers/mock_logger';
import {getDeclaration, makeTestBundleProgram, makeTestProgram} from '../helpers/utils';
@ -1007,7 +1007,7 @@ describe('Esm2015ReflectionHost', () => {
const parameters = host.getConstructorParameters(classNode) !;
expect(parameters.length).toBe(1);
expect(parameters[0]).toEqual(jasmine.objectContaining({
expect(parameters[0]).toEqual(jasmine.objectContaining<CtorParameter>({
name: 'arg1',
decorators: [],
}));
@ -1021,7 +1021,7 @@ describe('Esm2015ReflectionHost', () => {
const parameters = host.getConstructorParameters(classNode) !;
expect(parameters.length).toBe(1);
expect(parameters[0]).toEqual(jasmine.objectContaining({
expect(parameters[0]).toEqual(jasmine.objectContaining<CtorParameter>({
name: 'arg1',
decorators: null,
}));
@ -1035,7 +1035,7 @@ describe('Esm2015ReflectionHost', () => {
const parameters = host.getConstructorParameters(classNode) !;
expect(parameters.length).toBe(1);
expect(parameters[0]).toEqual(jasmine.objectContaining({
expect(parameters[0]).toEqual(jasmine.objectContaining<CtorParameter>({
name: 'arg1',
decorators: null,
}));
@ -1115,11 +1115,11 @@ describe('Esm2015ReflectionHost', () => {
const parameters = host.getConstructorParameters(classNode);
expect(parameters !.length).toBe(2);
expect(parameters ![0]).toEqual(jasmine.objectContaining({
expect(parameters ![0]).toEqual(jasmine.objectContaining<CtorParameter>({
name: 'arg1',
decorators: null,
}));
expect(parameters ![1]).toEqual(jasmine.objectContaining({
expect(parameters ![1]).toEqual(jasmine.objectContaining<CtorParameter>({
name: 'arg2',
decorators: jasmine.any(Array) as any
}));