dist/index.js

@@ -3,7 +3,6 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.ImageGenerator = void 0;
 //Modules
 // const AdmZip = require('adm-zip');
 const adm_zip_1 = __importDefault(require("adm-zip"));
@@ -118,6 +117,7 @@ class ImageGenerator {
             }
         }
         // Check temp and output dirs exist
+        try {
             if (!(0, node_fs_1.existsSync)(gerber)) {
                 throw Error('Archive does not exist.');
             }
@@ -127,8 +127,11 @@ class ImageGenerator {
             if (!(0, node_fs_1.existsSync)(this.folderConfig.imgDir)) {
                 throw Error('Output folder does not exist.');
             }
-        else {
+        }
-            console.error(`output dir: ${this.folderConfig.imgDir}`);
+        catch (error) {
+            if (error instanceof Error) {
+                console.error(error.message);
+            }
         }
         // Set filenames
         //Use the filename of the gerber zip to determine the output png filename
@@ -167,6 +170,7 @@ class ImageGenerator {
      */
     gerberToStream(gerber) {
         // Check temp and output dirs exist
+        try {
             if (!(0, node_fs_1.existsSync)(gerber)) {
                 throw Error('Archive does not exist.');
             }
@@ -176,6 +180,12 @@ class ImageGenerator {
             if (!(0, node_fs_1.existsSync)(this.folderConfig.imgDir)) {
                 throw Error('Output folder does not exist.');
             }
+        }
+        catch (error) {
+            if (error instanceof Error) {
+                console.error(error.message);
+            }
+        }
         return new Promise((resolve, reject) => {
             this.extractArchive(gerber, this.folderConfig.tmpDir);
             if (!this.layerNames)
@@ -204,4 +214,6 @@ class ImageGenerator {
         });
     }
 }
-exports.ImageGenerator = ImageGenerator;
+module.exports = {
+    ImageGenerator,
+};

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@nplayfair/npe_gerber",
-  "version": "1.0.1",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@nplayfair/npe_gerber",
-      "version": "1.0.1",
+      "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
         "adm-zip": "^0.5.16",
@@ -18,11 +18,9 @@
         "@eslint/js": "^9.29.0",
         "@types/adm-zip": "^0.5.7",
         "@types/fs-extra": "^11.0.4",
-        "@types/jest": "^29.5.14",
         "eslint": "^9.29.0",
         "jest": "^30.0.0",
         "prettier": "^3.5.3",
-        "ts-jest": "^29.4.0",
         "ts-node": "^10.9.2",
         "typescript": "^5.8.3",
         "typescript-eslint": "^8.34.0"
@@ -2001,187 +1999,6 @@
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-      "license": "MIT",
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-      "resolved": "https://registry.npmjs.org/@jest/expect-utils/-/expect-utils-29.7.0.tgz",
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-        "graceful-fs": "^4.2.9",
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-        "pretty-format": "^29.7.0",
-        "slash": "^3.0.0",
-        "stack-utils": "^2.0.3"
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-        "@types/node": "*",
-        "chalk": "^4.0.0",
-        "ci-info": "^3.2.0",
-        "graceful-fs": "^4.2.9",
-        "picomatch": "^2.2.3"
-      },
-      "engines": {
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-      }
-    },
-    "node_modules/@types/jest/node_modules/pretty-format": {
-      "version": "29.7.0",
-      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz",
-      "integrity": "sha512-Pdlw/oPxN+aXdmM9R00JVC9WVFoCLTKJvDVLgmJ+qAffBMxsV85l/Lu7sNx4zSzPyoL2euImuEwHhOXdEgNFZQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@jest/schemas": "^29.6.3",
-        "ansi-styles": "^5.0.0",
-        "react-is": "^18.0.0"
-      },
-      "engines": {
-        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
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     "node_modules/@types/json-schema": {
       "version": "7.0.15",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
@@ -2910,13 +2727,6 @@
       "dev": true,
       "license": "Python-2.0"
     },
-    "node_modules/async": {
-      "version": "3.2.6",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.6.tgz",
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-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/babel-jest": {
       "version": "30.0.0",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-30.0.0.tgz",
@@ -3079,19 +2889,6 @@
         "node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
       }
     },
-    "node_modules/bs-logger": {
-      "version": "0.2.6",
-      "resolved": "https://registry.npmjs.org/bs-logger/-/bs-logger-0.2.6.tgz",
-      "integrity": "sha512-pd8DCoxmbgc7hyPKOvxtqNcjYoOsABPQdcCUjGp3d42VR2CX1ORhk2A87oqqu5R1kk+76nsxZupkmyd+MVtCog==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "fast-json-stable-stringify": "2.x"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
     "node_modules/bser": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/bser/-/bser-2.1.1.tgz",
@@ -3482,16 +3279,6 @@
         "node": ">=0.3.1"
       }
     },
-    "node_modules/diff-sequences": {
-      "version": "29.6.3",
-      "resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-29.6.3.tgz",
-      "integrity": "sha512-EjePK1srD3P08o2j4f0ExnylqRs5B9tJjcp9t1krH2qRi8CCdsYfwe9JgSLurFBWwq4uOlipzfk5fHNvwFKr8Q==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
-      }
-    },
     "node_modules/eastasianwidth": {
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       "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",
@@ -3499,22 +3286,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/ejs": {
-      "version": "3.1.10",
-      "resolved": "https://registry.npmjs.org/ejs/-/ejs-3.1.10.tgz",
-      "integrity": "sha512-UeJmFfOrAQS8OJWPZ4qtgHyWExa088/MtK5UEyoJGFH67cDEXkZSviOiKRCZ4Xij0zxI3JECgYs3oKx+AizQBA==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "dependencies": {
-        "jake": "^10.8.5"
-      },
-      "bin": {
-        "ejs": "bin/cli.js"
-      },
-      "engines": {
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-      }
-    },
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@@ -3890,39 +3661,6 @@
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-      "dev": true,
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-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
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@@ -4489,25 +4227,6 @@
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-      "dev": true,
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-        "chalk": "^4.0.2",
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-      "bin": {
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@@ -4732,16 +4451,6 @@
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     "node_modules/jest-haste-map": {
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@@ -6473,85 +6175,6 @@
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-      }
-    },
-    "node_modules/ts-jest/node_modules/semver": {
-      "version": "7.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
-      "integrity": "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==",
-      "dev": true,
-      "license": "ISC",
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/ts-jest/node_modules/type-fest": {
-      "version": "4.41.0",
-      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-4.41.0.tgz",
-      "integrity": "sha512-TeTSQ6H5YHvpqVwBRcnLDCBnDOHWYu7IvGbHT6N8AOymcr9PJGjc1GTtiWZTYg0NCgYwvnYWEkVChQAr9bjfwA==",
-      "dev": true,
-      "license": "(MIT OR CC0-1.0)",
-      "engines": {
-        "node": ">=16"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/ts-node": {
       "version": "10.9.2",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",

package.json

@@ -1,12 +1,11 @@
 {
   "name": "@nplayfair/npe_gerber",
-  "version": "1.0.1",
+  "version": "1.0.0",
   "description": "Create a PCB image from gerber files",
   "main": "dist/index.js",
   "types": "types/npe_gerber.d.ts",
   "scripts": {
-    "test": "NODE_ENV=test PORT=7788 jest",
+    "test": "jest",
-    "test:watch": "npm run test -- --watchAll",
     "lint": "eslint ."
   },
   "repository": {
@@ -24,31 +23,6 @@
     "image",
     "gerber"
   ],
-  "jest": {
-    "verbose": true,
-    "modulePathIgnorePatterns": [
-      "<rootDir>/node_modules"
-    ],
-    "roots": [
-      "<rootDir>/test"
-    ],
-    "transform": {
-      "^.+\\.tsx?$": "ts-jest"
-    },
-    "testEnvironment": "node",
-    "testPathIgnorePatterns": [
-      "/node_modules"
-    ],
-    "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",
-    "moduleFileExtensions": [
-      "ts",
-      "tsx",
-      "js",
-      "jsx",
-      "json",
-      "node"
-    ]
-  },
   "dependencies": {
     "adm-zip": "^0.5.16",
     "fs-extra": "^11.3.0",
@@ -59,11 +33,9 @@
     "@eslint/js": "^9.29.0",
     "@types/adm-zip": "^0.5.7",
     "@types/fs-extra": "^11.0.4",
-    "@types/jest": "^29.5.14",
     "eslint": "^9.29.0",
     "jest": "^30.0.0",
     "prettier": "^3.5.3",
-    "ts-jest": "^29.4.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.34.0"

src/index.ts

@@ -9,7 +9,7 @@ import { Readable } from 'node:stream';
 import { existsSync, accessSync, createReadStream, constants } from 'node:fs';
 
 //Class definition
-export class ImageGenerator implements ZipExtractor, LayerGenerator {
+class ImageGenerator implements ZipExtractor, LayerGenerator {
   constructor(
     public folderConfig: FolderConfig,
     public imgConfig: ImageConfig,
@@ -47,7 +47,10 @@ export class ImageGenerator implements ZipExtractor, LayerGenerator {
     return zip.getEntries().length;
   }
 
-  //Test archive
+  /**
+   * Temporary test method zip file
+
+   */
   public testArchive(fileName: string, tmpDir: string): number {
     // Check archive exists
     try {
@@ -118,6 +121,7 @@ export class ImageGenerator implements ZipExtractor, LayerGenerator {
     }
 
     // Check temp and output dirs exist
+    try {
       if (!existsSync(gerber)) {
         throw Error('Archive does not exist.');
       }
@@ -127,6 +131,11 @@ export class ImageGenerator implements ZipExtractor, LayerGenerator {
       if (!existsSync(this.folderConfig.imgDir)) {
         throw Error('Output folder does not exist.');
       }
+    } catch (error) {
+      if (error instanceof Error) {
+        console.error(error.message);
+      }
+    }
 
     // Set filenames
     //Use the filename of the gerber zip to determine the output png filename
@@ -164,10 +173,13 @@ export class ImageGenerator implements ZipExtractor, LayerGenerator {
 
   /**
    * Take an archive containing gerber files and return a stream containing
-   * a PNG image from the gerber */
+   * a PNG image from the gerber
-
+   * @param {string} gerber Path to an archive file containing gerber
+   * @returns {Promise.<stream.Readable>} Promise that resolves to a PNG stream
+   */
   gerberToStream(gerber: string) {
     // Check temp and output dirs exist
+    try {
       if (!existsSync(gerber)) {
         throw Error('Archive does not exist.');
       }
@@ -177,6 +189,11 @@ export class ImageGenerator implements ZipExtractor, LayerGenerator {
       if (!existsSync(this.folderConfig.imgDir)) {
         throw Error('Output folder does not exist.');
       }
+    } catch (error) {
+      if (error instanceof Error) {
+        console.error(error.message);
+      }
+    }
 
     return new Promise((resolve, reject) => {
       this.extractArchive(gerber, this.folderConfig.tmpDir);
@@ -208,3 +225,7 @@ export class ImageGenerator implements ZipExtractor, LayerGenerator {
     });
   }
 }
+
+module.exports = {
+  ImageGenerator,
+};

test/index.test.js

@@ -1,9 +1,8 @@
-import path from 'path';
+const path = require('path');
-import { readdirSync } from 'node:fs';
+const { readdirSync, ReadStream } = require('node:fs');
-import { emptyDirSync } from 'fs-extra';
+const { Readable } = require('node:stream');
-import { Readable } from 'node:stream';
+const { ImageGenerator } = require('../dist/index.js');
-import { ImageGenerator } from '../src/index';
+require('../dist/index.js');
-import { tmpdir } from 'node:os';
 
 const testGerber = path.join(__dirname, 'Arduino-Pro-Mini.zip');
 const incompleteGerber = path.join(__dirname, 'incomplete.zip');
@@ -53,19 +52,17 @@ const layerNames = [
 ];
 
 const fileProc = new ImageGenerator(folderConfig, imgConfig, layerNames);
+const fileProcNoTemp = new ImageGenerator(noTempConfig, imgConfig, layerNames);
+const fileProcNoImage = new ImageGenerator(
+  noImageConfig,
+  imgConfig,
+  layerNames,
+);
 
 /**************
  * Tests
  ***************/
 
-beforeAll(() => {
-  return emptyDirSync(folderConfig.tmpDir);
-});
-
-beforeEach(() => {
-  return emptyDirSync(emptyFolder);
-});
-
 // Test constructor
 describe('Creating an ImageGenerator object', () => {
   const imgGen = new ImageGenerator(folderConfig, imgConfig);
@@ -86,9 +83,6 @@ describe('Creating an ImageGenerator object', () => {
     expect(imgGen.folderConfig.tmpDir).toBe(path.join(__dirname, 'tmp'));
     expect(imgGen.folderConfig.imgDir).toBe(path.join(__dirname, 'tmp'));
   });
-  afterAll(() => {
-    return emptyDirSync(folderConfig.tmpDir);
-  });
 });
 
 // Testing folder config
@@ -124,6 +118,12 @@ describe('Getting layers', () => {
     );
   });
 
+  // test('should return a promise of array of layers', () => {
+  //   return imgGen.getLayers(testLayers, layerNames).then((data) => {
+  //     expect(data).toBeInstanceOf(Array);
+  //   });
+  // });
+
   test('should throw error if the layers folder is not valid', () => {
     expect(() => {
       imgGen.getLayers('some_invalid_folder', layerNames);
@@ -166,27 +166,34 @@ describe('When extracting an archive', () => {
     const numOutputFiles = dirents.filter((dirent) => dirent.isFile());
     expect(numOutputFiles).toHaveLength(12);
   });
-  //clear archive
-  afterAll(() => {
-    return emptyDirSync(archiveTestFolder);
-  });
 });
 
 //Gerber methods
 describe('Converting a gerber to an image', () => {
-  beforeEach(() => {
+  test('temp dir not existing should throw an error', () => {
-    return emptyDirSync(emptyFolder);
+    expect(() =>
+      fileProcNoTemp
+        .gerberToImage(testGerber)
+        .toThrow(new Error('Temporary folder does not exist.')),
+    );
   });
-  afterAll(() => {
+  test('output dir not existing should throw an error', () => {
-    return emptyDirSync(emptyFolder);
+    expect(() =>
+      fileProcNoImage
+        .gerberToImage(testGerber)
+        .toThrow(new Error('Output folder does not exist.')),
+    );
   });
-
   test('invalid archive file should throw an error', () => {
-    expect(() => fileProc.gerberToImage('invalid.zip')).toThrow();
+    expect(() =>
+      fileProc
+        .gerberToImage('invalid.zip')
+        .toThrow(new Error('Archive does not exist.')),
+    );
+  });
+  test('an archive with incomplete set of layers should throw an error', () => {
+    expect(() => fileProc.gerberToImage(incompleteGerber).toThrow(Error));
   });
-  // test('an archive with incomplete set of layers should throw an error', () => {
-  //   expect(() => fileProc.gerberToImage(incompleteGerber)).toThrow();
-  // });
   test('gerber archive should resolve promise and return a filename of an image', () => {
     expect.assertions(1);
     return expect(fileProc.gerberToImage(testGerber)).resolves.toEqual(

tsconfig.json

@@ -110,6 +110,6 @@
     // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
     "skipLibCheck": true /* Skip type checking all .d.ts files. */
   },
-  "include": ["src/**/*", "types/npe_gerber.d.ts"],
+  "include": ["src", "types/npe_gerber.d.ts"],
   "exclude": ["node_modules", "dist/**/*", "test/**/*"]
 }