add types to stepper

src/app/dars/models/degree-program.ts

+import { HonorsOption } from './honors-option';
+
 export interface DegreeProgram {
   darsDegreeProgramCode: string;
   darsInstitutionCode: string;
   darsInstitutionCodeDescription: string;
   darsDegreeProgramDescription: string;
 }
+
+export interface DegreePrograms {
+  [darsInstitutionCode: string]: {
+    darsInstitutionCode: string;
+    darsInstitutionCodeDescription: string;
+    programs: DegreeProgram[];
+    honorsOptions: HonorsOption[];
+  };
+}

src/app/dars/new-audit-options/new-audit-options.component.ts

 import { Component, OnInit, Inject } from '@angular/core';
 import { MatDialogRef, MatSnackBar } from '@angular/material';
 import { DarsApiService } from '../services/api.service';
-import { DegreeProgram } from '../models/degree-program';
+import { DegreeProgram, DegreePrograms } from '../models/degree-program';
 import { StudentDegreeProgram } from '../models/student-degree-program';
 import { Observable } from 'rxjs';
 import { Store, select } from '@ngrx/store';
@@ -13,10 +13,11 @@ import {
   FormBuilder,
   FormGroup,
   FormControl,
-  Validators,
-  FormArray,
   AbstractControl,
 } from '@angular/forms';
+import { HonorsOption } from '../models/honors-option';
+import { DegreePlan } from '@app/core/models/degree-plan';
+import { CourseBase } from '@app/core/models/course';
 
 @Component({
   selector: 'cse-new-audit-options',
@@ -26,22 +27,21 @@ import {
 export class NewAuditOptionsComponent implements OnInit {
   public newAuditForm: FormGroup;
   public degreeProgram: DegreeProgram;
-  public degreePrograms: any;
+  public degreePrograms: DegreePrograms;
   public programOfStudy: string;
   public studentDegreeProgram: StudentDegreeProgram[];
-  public DARSprograms: any;
-  public honorsOptions: any;
-  public courses: any;
-  public variableCreditCourses: any;
+  public DARSprograms: DegreeProgram[] = [];
+  public honorsOptions: HonorsOption[] = [];
+  public courses: { termCode: string; courses: CourseBase[] }[];
   public degreePlans$: Observable<DARSState['degreePlans']>;
-  public degreePlans: any[];
-  public primaryPlan: any[];
+  public degreePlans: DegreePlan[];
+  public primaryPlan: DegreePlan[];
   public primaryPlanId: string;
   public hasVariableCredits: boolean;
-  public creditsRange: any[];
+  public creditsRange: (CourseBase & { creditRange: number[] })[];
   public isLoaded: boolean;
   public selectedAuditType: string;
-  public termsToInclude: any[];
+  public termsToInclude: { name: string; id: string; value: string }[];
   get formArray(): AbstractControl | null {
     return this.newAuditForm.get('formArray');
   }
@@ -91,21 +91,11 @@ export class NewAuditOptionsComponent implements OnInit {
 
     this.api.getStaticData().subscribe(degreePrograms => {
       this.degreePrograms = degreePrograms;
-      this.honorsOptions = [];
-      this.DARSprograms = [];
-      for (var school in this.degreePrograms) {
-        // Get program of study
-        this.programOfStudy = this.degreePrograms[
-          school
-        ].darsInstitutionCodeDescription;
-        // Get honors options
-        if (this.degreePrograms[school].hasOwnProperty('honorsOptions')) {
-          this.honorsOptions.push(...this.degreePrograms[school].honorsOptions);
-        }
-        // Get DARS programs
-        if (this.degreePrograms[school].hasOwnProperty('programs')) {
-          this.DARSprograms.push(...this.degreePrograms[school].programs);
-        }
+
+      for (const institution of Object.values(degreePrograms)) {
+        this.programOfStudy = institution.darsInstitutionCodeDescription;
+        this.honorsOptions.push(...institution.honorsOptions);
+        this.DARSprograms.push(...institution.programs);
       }
     });
     this.newAuditForm = this.fb.group({
@@ -140,18 +130,22 @@ export class NewAuditOptionsComponent implements OnInit {
     this.api.getAllCourses(roadmapId).subscribe(courses => {
       this.courses = courses;
       this.creditsRange = [];
-      this.courses ? (this.isLoaded = true) : (this.isLoaded = false);
-      this.courses.forEach(function(course) {
-        course.creditMin === course.creditMax
-          ? (this.hasVariableCredits = false)
-          : (this.hasVariableCredits = true);
+      this.isLoaded = true;
+      this.hasVariableCredits = false;
 
-        // Build creditsRange array
-        course.creditsRange = [];
-        for (let i = course.creditMin; i <= course.creditMax; i++) {
-          course.creditsRange.push(i);
-        }
-      }, this);
+      courses.forEach(term => {
+        term.courses.forEach(course => {
+          const { creditMin: min, creditMax: max } = course;
+          if (min !== undefined && max !== undefined && min < max) {
+            this.hasVariableCredits = true;
+            const creditRange: number[] = [];
+            for (let i = min; i <= max; i++) {
+              creditRange.push(i);
+            }
+            this.creditsRange.push({ ...course, creditRange });
+          }
+        });
+      });
     });
   }
 

src/app/dars/services/api.service.ts

 import { Injectable } from '@angular/core';
 import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { Observable, of } from 'rxjs';
-import { DegreeProgram } from '../models/degree-program';
+import { DegreePrograms } from '../models/degree-program';
 import { AuditMetadata } from '../models/audit-metadata';
 import { StudentDegreeProgram } from '../models/student-degree-program';
 import { environment } from './../../../environments/environment';
 import { Audit } from '../models/audit/audit';
 import { CourseBase } from '@app/core/models/course';
-const auditResponse: any = require('../../../assets/mock-data/audit-response.json');
-const degreeProgramsResponse: any = require('../../../assets/mock-data/degreeprograms-response.json');
+const auditResponse: Audit = require('../../../assets/mock-data/audit-response.json');
+const degreeProgramsResponse: DegreePrograms = require('../../../assets/mock-data/degreeprograms-response.json');
 
 const HTTP_OPTIONS = {
   headers: new HttpHeaders({
@@ -24,12 +24,12 @@ export class DarsApiService {
    * Get all degree programs, honors, and institution data.
    *
    */
-  public getStaticData(): Observable<DegreeProgram[]> {
+  public getStaticData(): Observable<DegreePrograms> {
     // Prevents errors locally
     if (environment.production) {
       const url =
         'http://dev-enroll-app-data.s3-website-us-east-1.amazonaws.com/degreeprograms.json';
-      return this.http.get<DegreeProgram[]>(url, HTTP_OPTIONS);
+      return this.http.get<DegreePrograms>(url, HTTP_OPTIONS);
     } else {
       return of(degreeProgramsResponse);
     }