jest.config.js

@@ -3,6 +3,6 @@ module.exports = {
     transform: {
         '^.+\\.ts$': 'ts-jest',
     },
-    roots: ['<rootDir>/src'],
+    roots: ['<rootDir>/tests'],
     testMatch: ['**/*.test.ts'],
 }

package.json

@@ -30,9 +30,9 @@
         "prepack": "yarn build",
         "prebuild": "rm -rf dist",
         "build": "tsc --project .",
-        "lint": "eslint src/**/*.ts",
+        "lint": "eslint tests/**/*.ts src/**/*.ts",
         "lint:fix": "yarn lint --fix",
-        "test": "jest src",
+        "test": "jest tests",
         "test:watch": "yarn test --watchAll",
         "test:coverage": "yarn test --coverage",
         "types": "tsc --noEmit src/**/*.ts",

src/index.ts

@@ -7,7 +7,7 @@ import {
     getPreviousPackageStats,
     mergeDefaultArguments,
 } from './utils'
-import type { PackwatchArguments } from './index.d'
+import type { PackwatchArguments } from './types'
 import { assertInPackageRoot } from './invariants'
 import logger from './logger'
 
@@ -52,8 +52,7 @@ export default async function packwatch(
         limit,
         limitBytes,
     } = previousStats
-    const hasExceededLimit =
-        packageSizeBytes > (limitBytes ?? Number.MAX_SAFE_INTEGER)
+    const hasExceededLimit = limitBytes && packageSizeBytes > limitBytes
 
     /*
      * If we are updating the manifest, we can write right away and terminate.

src/utils.ts

@@ -2,7 +2,7 @@ import { spawnSync } from 'child_process'
 import { readFileSync, writeFileSync } from 'fs'
 import { join, resolve } from 'path'
 
-import { PackwatchArguments, Report } from './index.d'
+import { PackwatchArguments, Report } from './types'
 
 const PACKAGE_SIZE_PATT = /package size:\s*([0-9]+\.?[0-9]*\s+[A-Za-z]{1,2})/
 const UNPACKED_SIZE_PATT = /unpacked size:\s*([0-9]+\.?[0-9]*\s+[A-Za-z]{1,2})/

tests/index.test.ts

@@ -2,11 +2,14 @@ import { promises as fs } from 'fs'
 import { tmpdir } from 'os'
 import { join, resolve } from 'path'
 
-import type { Report } from '../index.d'
-import packwatch from '..'
+import type { Report } from '../src/types'
+import packwatch from '../src'
+
+let workspace: string | null
 
 async function prepareWorkspace(): Promise<string> {
     const workspacePath = await fs.mkdtemp(`${tmpdir()}/`)
+    workspace = workspacePath
     return workspacePath
 }
 
@@ -35,28 +38,21 @@ async function createManifest(
     const path = resolve(join(cwd, '.packwatch.json'))
     await createFile(path, JSON.stringify(configuration))
 }
-describe('Packwatch', () => {
-    let mockLogger = jest.fn()
-    let mockWarn = jest.fn()
-    let mockError = jest.fn()
-    let workspacePath
-    beforeEach(() => {
-        mockLogger = jest.spyOn(console, 'log').mockImplementation()
-        mockWarn = jest.spyOn(console, 'warn').mockImplementation()
-        mockError = jest.spyOn(console, 'error').mockImplementation()
-    })
 
+describe('Packwatch', () => {
     afterEach(async () => {
         jest.restoreAllMocks()
 
-        if (workspacePath) {
-            await cleanUpWorkspace([workspacePath])
-            workspacePath = null
+        if (workspace) {
+            await cleanUpWorkspace([workspace])
+            workspace = null
         }
     })
 
     it('warns the user and errors if run away from package.json', async () => {
-        workspacePath = await prepareWorkspace()
+        const workspacePath = await prepareWorkspace()
+        const mockLogger = jest.spyOn(console, 'log')
+
         await expect(async () =>
             packwatch({ cwd: workspacePath }),
         ).rejects.toThrow('NOT_IN_PACKAGE_ROOT')
@@ -71,7 +67,7 @@ describe('Packwatch', () => {
 
     describe('without manifest', () => {
         it('generates the initial manifest properly', async () => {
-            workspacePath = await prepareWorkspace()
+            const workspacePath = await prepareWorkspace()
             await createPackageJson(workspacePath)
 
             await expect(async () =>
@@ -89,7 +85,9 @@ describe('Packwatch', () => {
         })
 
         it('outputs expected messaging', async () => {
-            workspacePath = await prepareWorkspace()
+            const workspacePath = await prepareWorkspace()
+            const mockWarn = jest.spyOn(console, 'warn')
+            const mockError = jest.spyOn(console, 'error')
             await createPackageJson(workspacePath)
 
             await expect(async () =>
@@ -111,7 +109,8 @@ describe('Packwatch', () => {
         })
 
         it('outputs expected messaging when not updating the manifest', async () => {
-            workspacePath = await prepareWorkspace()
+            const mockWarn = jest.spyOn(console, 'warn')
+            const workspacePath = await prepareWorkspace()
 
             await createPackageJson(workspacePath)
 
@@ -128,13 +127,15 @@ describe('Packwatch', () => {
 
     describe('with manifest', () => {
         it('messages when the size is equal to the limit', async () => {
-            workspacePath = await prepareWorkspace()
-
+            const workspacePath = await prepareWorkspace()
+            const mockLogger = jest.spyOn(console, 'log')
             await createPackageJson(workspacePath)
             await createManifest(workspacePath, {
                 limit: '160B',
                 packageSize: '160B',
+                packageSizeBytes: 160,
                 unpackedSize: '150B',
+                unpackedSizeBytes: 150,
             })
             await packwatch({ cwd: workspacePath })
             expect(mockLogger.mock.calls).toHaveLength(1)
@@ -146,13 +147,15 @@ describe('Packwatch', () => {
         })
 
         it('messages when the size is lower than the limit (no growth)', async () => {
-            workspacePath = await prepareWorkspace()
-
+            const workspacePath = await prepareWorkspace()
+            const mockLogger = jest.spyOn(console, 'log')
             await createPackageJson(workspacePath)
             await createManifest(workspacePath, {
                 limit: '170B',
                 packageSize: '160B',
+                packageSizeBytes: 160,
                 unpackedSize: '150B',
+                unpackedSizeBytes: 150,
             })
 
             await packwatch({ cwd: workspacePath })
@@ -164,13 +167,15 @@ describe('Packwatch', () => {
             )
         })
         it('messages when the size is lower than the limit (growth)', async () => {
-            workspacePath = await prepareWorkspace()
-
+            const workspacePath = await prepareWorkspace()
+            const mockLogger = jest.spyOn(console, 'log')
             await createPackageJson(workspacePath)
             await createManifest(workspacePath, {
                 limit: '180B',
                 packageSize: '150B',
+                packageSizeBytes: 150,
                 unpackedSize: '140B',
+                unpackedSizeBytes: 140,
             })
 
             await packwatch({ cwd: workspacePath })
@@ -182,13 +187,15 @@ describe('Packwatch', () => {
             )
         })
         it('messages when the size is lower than the limit (shrinkage)', async () => {
-            workspacePath = await prepareWorkspace()
-
+            const workspacePath = await prepareWorkspace()
+            const mockLogger = jest.spyOn(console, 'log')
             await createPackageJson(workspacePath)
             await createManifest(workspacePath, {
                 limit: '180B',
                 packageSize: '170B',
+                packageSizeBytes: 170,
                 unpackedSize: '140B',
+                unpackedSizeBytes: 140,
             })
 
             await packwatch({ cwd: workspacePath })
@@ -200,13 +207,15 @@ describe('Packwatch', () => {
             )
         })
         it('messages when the size exceeds the limit', async () => {
-            workspacePath = await prepareWorkspace()
-
+            const workspacePath = await prepareWorkspace()
+            const mockError = jest.spyOn(console, 'error')
             await createPackageJson(workspacePath)
             await createManifest(workspacePath, {
                 limit: '10B',
                 packageSize: '170B',
+                packageSizeBytes: 170,
                 unpackedSize: '140B',
+                unpackedSizeBytes: 140,
             })
 
             await expect(async () =>
@@ -221,13 +230,15 @@ describe('Packwatch', () => {
         })
 
         it('messages when updating the manifest', async () => {
-            workspacePath = await prepareWorkspace()
-
+            const workspacePath = await prepareWorkspace()
+            const mockLogger = jest.spyOn(console, 'log')
             await createPackageJson(workspacePath)
             await createManifest(workspacePath, {
                 limit: '10B',
                 packageSize: '170B',
+                packageSizeBytes: 170,
                 unpackedSize: '140B',
+                unpackedSizeBytes: 140,
             })
 
             await packwatch({ cwd: workspacePath, isUpdatingManifest: true })

tests/utils.test.ts

@@ -1,4 +1,4 @@
-import { convertSizeToBytes } from '../utils'
+import { convertSizeToBytes } from '../src/utils'
 
 describe('utils', () => {
     it.each`

tsconfig.json

@@ -69,5 +69,5 @@
     "skipLibCheck": true,                           /* Skip type checking of declaration files. */
     "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
     },
-    "exclude": ["dist/**/*", "src/__tests__/**/*"]
+    "exclude": ["dist/**/*", "tests/**/*"]
 }