message: refactor(ivy): ngcc - tidy up `DependencyResolver` helper method
  This method was poorly named for what it does, and did not have a
  return type.
  PR Close
diff: * found in the LICENSE file at https://angular.io/license
  */
  -import {resolve} from 'canonical-path';
  import {DepGraph} from 'dependency-graph';
  +import {resolve} from 'path';
  import {AbsoluteFsPath} from '../../../src/ngtsc/path';
  import {Logger} from '../logging/logger';
  @@ -48,6 +48,11 @@ export interface IgnoredDependency {
  dependencyPath: string;
  }
  +export interface DependencyDiagnostics {
  + invalidEntryPoints: InvalidEntryPoint[];
  + ignoredDependencies: IgnoredDependency[];
  +}
  +
  /**
  * A list of entry-points, sorted by their dependencies.
  *
  @@ -57,11 +62,7 @@ export interface IgnoredDependency {
  * Some entry points or their dependencies may be have been ignored. These are captured for
  * diagnostic purposes in `invalidEntryPoints` and `ignoredDependencies` respectively.
  */
  -export interface SortedEntryPointsInfo {
  - entryPoints: EntryPoint[];
  - invalidEntryPoints: InvalidEntryPoint[];
  - ignoredDependencies: IgnoredDependency[];
  -}
  +export interface SortedEntryPointsInfo extends DependencyDiagnostics { entryPoints: EntryPoint[]; }
  /**
  * A class that resolves dependencies between entry-points.
  @@ -77,7 +78,8 @@ export class DependencyResolver {
  */
  sortEntryPointsByDependency(entryPoints: EntryPoint[], target?: EntryPoint):
  SortedEntryPointsInfo {
  - const {invalidEntryPoints, ignoredDependencies, graph} = this.createDependencyInfo(entryPoints);
  + const {invalidEntryPoints, ignoredDependencies, graph} =
  + this.computeDependencyGraph(entryPoints);
  let sortedEntryPointNodes: string[];
  if (target) {
  @@ -100,7 +102,7 @@ export class DependencyResolver {
  * The graph only holds entry-points that ngcc cares about and whose dependencies
  * (direct and transitive) all exist.
  */
  - private createDependencyInfo(entryPoints: EntryPoint[]) {
  + private computeDependencyGraph(entryPoints: EntryPoint[]): DependencyGraph {
  const invalidEntryPoints: InvalidEntryPoint[] = [];
  const ignoredDependencies: IgnoredDependency[] = [];
  const graph = new DepGraph<EntryPoint>();
  @@ -167,3 +169,7 @@ function getEntryPointPath(entryPoint: EntryPoint): AbsoluteFsPath {
  }
  throw new Error(`There is no format with import statements in '${entryPoint.path}' entry-point.`);
  }
  +
  +interface DependencyGraph extends DependencyDiagnostics {
  + graph: DepGraph<EntryPoint>;
  +}
  