feat: add functions to resolve environment and source url

npm/ng-packs/packages/schematics/src/utils/ast.ts

@@ -0,0 +1,37 @@
+import * as ts from 'typescript';
+import { findNodes } from './angular/ast-utils';
+
+export function findEnvironmentExpression(source: ts.SourceFile) {
+  const expressions = findNodes(source, ts.isObjectLiteralExpression);
+  return expressions.find(expr => expr.getText().includes('production'));
+}
+
+export function getAssignedPropertyFromObjectliteral(
+  expression: ts.ObjectLiteralExpression,
+  variableSelector: string[],
+) {
+  const expressions = findNodes(expression, isBooleanStringOrNumberLiteral);
+
+  const literal = expressions.find(node =>
+    Boolean(
+      variableSelector.reduceRight(
+        (acc: ts.PropertyAssignment, key) =>
+          acc?.name?.getText() === key ? acc.parent.parent : undefined,
+        node.parent,
+      ),
+    ),
+  );
+
+  return literal ? literal.getText() : undefined;
+}
+
+export function isBooleanStringOrNumberLiteral(
+  node: ts.Node,
+): node is ts.StringLiteral | ts.NumericLiteral | ts.BooleanLiteral {
+  return (
+    ts.isStringLiteral(node) ||
+    ts.isNumericLiteral(node) ||
+    node.kind === ts.SyntaxKind.TrueKeyword ||
+    node.kind === ts.SyntaxKind.FalseKeyword
+  );
+}

npm/ng-packs/packages/schematics/src/utils/index.ts

@@ -1,5 +1,6 @@
 export * from './angular';
+export * from './ast';
 export * from './common';
-export * from './project';
+export * from './source';
 export * from './text';
 export * from './workspace';

npm/ng-packs/packages/schematics/src/utils/project.ts

@@ -1,22 +0,0 @@
-import { ProjectDefinition } from '@angular-devkit/core/src/workspace';
-import { SchematicsException, Tree } from '@angular-devkit/schematics';
-import { Exception } from '../enums';
-import { getWorkspace } from './angular/workspace';
-import { readWorkspaceSchema } from './workspace';
-
-export async function resolveProject(
-  tree: Tree,
-  name: string,
-): Promise<{ name: string; definition: ProjectDefinition }> {
-  const workspace = await getWorkspace(tree);
-  let definition = workspace.projects.get(name);
-
-  if (!definition) {
-    name = readWorkspaceSchema(tree).defaultProject!;
-    definition = workspace.projects.get(name);
-  }
-
-  if (!definition) throw new SchematicsException(Exception.NoProject);
-
-  return { name, definition };
-}

npm/ng-packs/packages/schematics/src/utils/source.ts

@@ -0,0 +1,34 @@
+import type { workspaces } from '@angular-devkit/core';
+import { SchematicsException, Tree } from '@angular-devkit/schematics';
+import got from 'got';
+import { Exception } from '../enums';
+import { getAssignedPropertyFromObjectliteral } from './ast';
+import { readEnvironment } from './workspace';
+
+export async function getSourceJson(url: string) {
+  let body: any;
+
+  try {
+    ({ body } = await got(url, {
+      responseType: 'json',
+      https: { rejectUnauthorized: false },
+    }));
+  } catch (e) {
+    throw new SchematicsException(Exception.NoApi);
+  }
+
+  return body;
+}
+
+export function getSourceUrl(tree: Tree, projectDefinition: workspaces.ProjectDefinition) {
+  const environmentExpr = readEnvironment(tree, projectDefinition);
+  let assignment: string | undefined;
+
+  if (environmentExpr) {
+    assignment = getAssignedPropertyFromObjectliteral(environmentExpr, ['apis', 'default', 'url']);
+  }
+
+  if (!assignment) throw new SchematicsException(Exception.RequiredApiUrl);
+
+  return assignment.replace(/[`'"]/g, '');
+}

npm/ng-packs/packages/schematics/src/utils/workspace.ts

@@ -1,6 +1,23 @@
-import { experimental } from '@angular-devkit/core';
-import { SchematicsException, Tree } from '@angular-devkit/schematics';
+import type { experimental, workspaces } from '@angular-devkit/core';
+import { SchematicsException } from '@angular-devkit/schematics';
+import type { Tree } from '@angular-devkit/schematics';
 import { Exception } from '../enums';
+import { getWorkspace, ProjectType } from './angular';
+import { findEnvironmentExpression } from './ast';
+import { readFileInTree } from './common';
+
+export function isLibrary(project: workspaces.ProjectDefinition): boolean {
+  return project.extensions['projectType'] === ProjectType.Library;
+}
+
+export function readEnvironment(tree: Tree, project: workspaces.ProjectDefinition) {
+  if (isLibrary(project)) return undefined;
+
+  const srcPath = project.sourceRoot || `${project.root}/src`;
+  const envPath = srcPath + '/environments/environment.ts';
+  const source = readFileInTree(tree, envPath);
+  return findEnvironmentExpression(source);
+}
 
 export function readWorkspaceSchema(tree: Tree) {
   const workspaceBuffer = tree.read('/angular.json') || tree.read('/workspace.json');
@@ -16,3 +33,20 @@ export function readWorkspaceSchema(tree: Tree) {
 
   return workspaceSchema;
 }
+
+export async function resolveProject(
+  tree: Tree,
+  name: string,
+): Promise<{ name: string; definition: workspaces.ProjectDefinition }> {
+  const workspace = await getWorkspace(tree);
+  let definition = workspace.projects.get(name);
+
+  if (!definition) {
+    name = readWorkspaceSchema(tree).defaultProject!;
+    definition = workspace.projects.get(name);
+  }
+
+  if (!definition) throw new SchematicsException(Exception.NoProject);
+
+  return { name, definition };
+}