diff --git a/packages/api/core/src/api/import.ts b/packages/api/core/src/api/import.ts
index 9eb38e1c0..fc131b0b1 100644
--- a/packages/api/core/src/api/import.ts
+++ b/packages/api/core/src/api/import.ts
@@ -8,7 +8,7 @@ import { deps, devDeps, exactDevDeps } from './init-scripts/init-npm';
 
 import { setInitialForgeConfig } from '../util/forge-config';
 import { info, warn } from '../util/messages';
-import installDepList from '../util/install-dependencies';
+import installDepList, { DepType, DepVersionRestriction } from '../util/install-dependencies';
 import { readRawPackageJson } from '../util/read-package-json';
 
 const d = debug('electron-forge:import');
@@ -155,10 +155,10 @@ export default async ({
     await installDepList(dir, deps);
 
     d('installing devDependencies');
-    await installDepList(dir, devDeps, true);
+    await installDepList(dir, devDeps, DepType.DEV);
 
     d('installing exactDevDependencies');
-    await installDepList(dir, exactDevDeps, true, true);
+    await installDepList(dir, exactDevDeps, DepType.DEV, DepVersionRestriction.EXACT);
   });
 
   packageJSON = await readRawPackageJson(dir);
diff --git a/packages/api/core/src/api/init-scripts/init-custom.ts b/packages/api/core/src/api/init-scripts/init-custom.ts
index fc0eab259..c3e81512b 100644
--- a/packages/api/core/src/api/init-scripts/init-custom.ts
+++ b/packages/api/core/src/api/init-scripts/init-custom.ts
@@ -1,4 +1,4 @@
-import { asyncOra, ora } from '@electron-forge/async-ora';
+import { asyncOra } from '@electron-forge/async-ora';
 import debug from 'debug';
 import fs from 'fs-extra';
 import glob from 'glob';
@@ -6,7 +6,9 @@ import resolvePackage from 'resolve-package';
 import path from 'path';
 
 import { copy } from './init-starter-files';
-import installDepList from '../../util/install-dependencies';
+import installDepList, { DepType } from '../../util/install-dependencies';
+import { PossibleModule } from '../../util/require-search';
+import { ForgeTemplate } from '@electron-forge/shared-types';
 
 const d = debug('electron-forge:init:custom');
 
@@ -41,7 +43,7 @@ export default async (dir: string, template: string) => {
     }
   });
 
-  let templateModule = require(templateModulePath);
+  let templateModule: PossibleModule<ForgeTemplate> = require(templateModulePath);
 
   templateModule = templateModule.default || templateModule;
 
@@ -49,7 +51,7 @@ export default async (dir: string, template: string) => {
     d('installing dependencies');
     await installDepList(dir, templateModule.dependencies || []);
     d('installing devDependencies');
-    await installDepList(dir, templateModule.devDependencies || [], true);
+    await installDepList(dir, templateModule.devDependencies || [], DepType.DEV);
   });
 
   await asyncOra('Copying Template Files', async () => {
@@ -71,6 +73,6 @@ export default async (dir: string, template: string) => {
   });
 
   if (typeof templateModule.postCopy === 'function') {
-    await Promise.resolve(templateModule.postCopy(dir, ora));
+    await Promise.resolve(templateModule.postCopy(dir));
   }
 };
diff --git a/packages/api/core/src/api/init-scripts/init-npm.ts b/packages/api/core/src/api/init-scripts/init-npm.ts
index 51b6c19cb..d9cfb60f0 100644
--- a/packages/api/core/src/api/init-scripts/init-npm.ts
+++ b/packages/api/core/src/api/init-scripts/init-npm.ts
@@ -5,7 +5,7 @@ import path from 'path';
 import username from 'username';
 
 import { setInitialForgeConfig } from '../../util/forge-config';
-import installDepList from '../../util/install-dependencies';
+import installDepList, { DepType, DepVersionRestriction } from '../../util/install-dependencies';
 import { readRawPackageJson } from '../../util/read-package-json';
 
 const d = debug('electron-forge:init:npm');
@@ -43,11 +43,11 @@ export default async (dir: string) => {
     await installDepList(dir, deps);
 
     d('installing devDependencies');
-    await installDepList(dir, devDeps, true);
+    await installDepList(dir, devDeps, DepType.DEV);
 
-    d('installing exact dependencies');
+    d('installing exact devDependencies');
     for (const packageName of exactDevDeps) {
-      await installDepList(dir, [packageName], true, true);
+      await installDepList(dir, [packageName], DepType.DEV, DepVersionRestriction.EXACT);
     }
   });
 };
diff --git a/packages/api/core/src/util/install-dependencies.ts b/packages/api/core/src/util/install-dependencies.ts
index dd7e4b7aa..e11f5050c 100644
--- a/packages/api/core/src/util/install-dependencies.ts
+++ b/packages/api/core/src/util/install-dependencies.ts
@@ -3,13 +3,23 @@ import { yarnOrNpmSpawn, hasYarn } from './yarn-or-npm';
 
 const d = debug('electron-forge:dependency-installer');
 
+export enum DepType {
+  PROD = 'PROD',
+  DEV = 'DEV',
+}
+
+export enum DepVersionRestriction {
+  EXACT = 'EXACT',
+  RANGE = 'RANGE',
+}
+
 export default async (
   dir: string,
   deps: string[],
-  areDev = false,
-  exact = false,
+  depType = DepType.PROD,
+  versionRestriction = DepVersionRestriction.RANGE,
 ) => {
-  d('installing', JSON.stringify(deps), 'in:', dir, `dev=${areDev},exact=${exact},withYarn=${hasYarn()}`);
+  d('installing', JSON.stringify(deps), 'in:', dir, `depType=${depType},versionRestriction=${versionRestriction},withYarn=${hasYarn()}`);
   if (deps.length === 0) {
     d('nothing to install, stopping immediately');
     return Promise.resolve();
@@ -17,12 +27,12 @@ export default async (
   let cmd = ['install'].concat(deps);
   if (hasYarn()) {
     cmd = ['add'].concat(deps);
-    if (areDev) cmd.push('--dev');
-    if (exact) cmd.push('--exact');
+    if (depType === DepType.DEV) cmd.push('--dev');
+    if (versionRestriction === DepVersionRestriction.EXACT) cmd.push('--exact');
   } else {
-    if (exact) cmd.push('--save-exact');
-    if (areDev) cmd.push('--save-dev');
-    if (!areDev) cmd.push('--save');
+    if (versionRestriction === DepVersionRestriction.EXACT) cmd.push('--save-exact');
+    if (depType === DepType.DEV) cmd.push('--save-dev');
+    if (depType === DepType.PROD) cmd.push('--save');
   }
   d('executing', JSON.stringify(cmd), 'in:', dir);
   try {
diff --git a/packages/api/core/test/fast/install-dependencies_spec.ts b/packages/api/core/test/fast/install-dependencies_spec.ts
index c5ee3427c..3827cc893 100644
--- a/packages/api/core/test/fast/install-dependencies_spec.ts
+++ b/packages/api/core/test/fast/install-dependencies_spec.ts
@@ -2,7 +2,7 @@ import { expect } from 'chai';
 import proxyquire from 'proxyquire';
 import sinon, { SinonStub } from 'sinon';
 
-import installDependencies from '../../src/util/install-dependencies';
+import installDependencies, { DepType, DepVersionRestriction } from '../../src/util/install-dependencies';
 
 describe('Install dependencies', () => {
   let install: typeof installDependencies;
@@ -58,17 +58,17 @@ describe('Install dependencies', () => {
     });
 
     it('should install dev deps', () => {
-      install('mydir', ['eslint'], true);
+      install('mydir', ['eslint'], DepType.DEV);
       expect(spawnSpy.firstCall.args[0]).to.be.deep.equal(['add', 'eslint', '--dev']);
     });
 
     it('should install exact deps', () => {
-      install('mydir', ['react-dom'], false, true);
+      install('mydir', ['react-dom'], DepType.PROD, DepVersionRestriction.EXACT);
       expect(spawnSpy.firstCall.args[0]).to.be.deep.equal(['add', 'react-dom', '--exact']);
     });
 
     it('should install exact dev deps', () => {
-      install('mydir', ['mocha'], true, true);
+      install('mydir', ['mocha'], DepType.DEV, DepVersionRestriction.EXACT);
       expect(spawnSpy.firstCall.args[0]).to.be.deep.equal(['add', 'mocha', '--dev', '--exact']);
     });
   });
@@ -84,17 +84,17 @@ describe('Install dependencies', () => {
     });
 
     it('should install dev deps', () => {
-      install('mydir', ['eslint'], true);
+      install('mydir', ['eslint'], DepType.DEV);
       expect(spawnSpy.firstCall.args[0]).to.be.deep.equal(['install', 'eslint', '--save-dev']);
     });
 
     it('should install exact deps', () => {
-      install('mydir', ['react-dom'], false, true);
+      install('mydir', ['react-dom'], DepType.PROD, DepVersionRestriction.EXACT);
       expect(spawnSpy.firstCall.args[0]).to.be.deep.equal(['install', 'react-dom', '--save-exact', '--save']);
     });
 
     it('should install exact dev deps', () => {
-      install('mydir', ['mocha'], true, true);
+      install('mydir', ['mocha'], DepType.DEV, DepVersionRestriction.EXACT);
       expect(spawnSpy.firstCall.args[0]).to.be.deep.equal(['install', 'mocha', '--save-exact', '--save-dev']);
     });
   });
diff --git a/packages/utils/types/package.json b/packages/utils/types/package.json
index 569aa445f..1722aa011 100644
--- a/packages/utils/types/package.json
+++ b/packages/utils/types/package.json
@@ -11,6 +11,7 @@
     "test": "echo No Tests For Shared Types"
   },
   "dependencies": {
+    "@electron-forge/async-ora": "^6.0.0-beta.29",
     "@types/electron-packager": "^12.0.0",
     "electron-rebuild": "^1.6.0",
     "ora": "^3.0.0"
@@ -18,4 +19,4 @@
   "engines": {
     "node": ">= 6.0"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/utils/types/src/index.ts b/packages/utils/types/src/index.ts
index 5ad5a248f..069033ad5 100644
--- a/packages/utils/types/src/index.ts
+++ b/packages/utils/types/src/index.ts
@@ -1,5 +1,4 @@
-/* tslint:disable ter-indent */
-
+import { OraImpl } from '@electron-forge/async-ora';
 import { ChildProcess } from 'child_process';
 import { Options } from 'electron-packager';
 import { RebuildOptions } from 'electron-rebuild/lib/src/rebuild';
@@ -116,3 +115,10 @@ export interface StartOptions {
    */
   inspect?: boolean;
 }
+
+export interface ForgeTemplate {
+  dependencies?: string[];
+  devDependencies?: string[];
+  templateDirectory?: string;
+  postCopy?: (dir: string) => void;
+}