pdf-visual-diff - npm Package Compare versions

Comparing version 0.11.0 to 0.11.1

jest.config.js

+/**
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+/** @type {import('jest').Config} */
+const config = {
+  setupFilesAfterEnv: ['./lib/toMatchPdfSnapshot'],
+}
+
+module.exports = config

lib/pdf2png/createCanvasContext.d.ts

+import * as Canvas from 'canvas';
+export type CanvasContextManager = {
+    context: Canvas.CanvasRenderingContext2D;
+    resize: (width: number, height: number) => void;
+    toPngBuffer: () => Buffer;
+    toImageData: () => Canvas.ImageData;
+    dispose: () => void;
+};
+export declare function createCanvasContext(): CanvasContextManager;

lib/pdf2png/createCanvasContext.js

+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createCanvasContext = createCanvasContext;
+const Canvas = require("canvas");
+const assert = require("node:assert");
+function createCanvasContext() {
+    let canvas = Canvas.createCanvas(1, 1);
+    let context = canvas.getContext('2d');
+    return {
+        context,
+        resize: (width, height) => {
+            assert(width > 0 && height > 0, 'Invalid canvas dimensions');
+            canvas.width = width;
+            canvas.height = height;
+        },
+        toPngBuffer: () => canvas.toBuffer('image/png'),
+        toImageData: () => context.getImageData(0, 0, canvas.width, canvas.height),
+        dispose: () => {
+            canvas.width = 0;
+            canvas.height = 0;
+            // Nullify for garbage collection
+            canvas = null;
+            context = null;
+        },
+    };
+}
+//# sourceMappingURL=createCanvasContext.js.map

lib/pdf2png/createCanvasContext.js.map

+{"version":3,"file":"createCanvasContext.js","sourceRoot":"","sources":["../../src/pdf2png/createCanvasContext.ts"],"names":[],"mappings":";;AAWA,kDAqBC;AAhCD,iCAAgC;AAChC,sCAAqC;AAUrC,SAAgB,mBAAmB;IACjC,IAAI,MAAM,GAAG,MAAM,CAAC,YAAY,CAAC,CAAC,EAAE,CAAC,CAAC,CAAA;IACtC,IAAI,OAAO,GAAG,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,CAAA;IAErC,OAAO;QACL,OAAO;QACP,MAAM,EAAE,CAAC,KAAa,EAAE,MAAc,EAAQ,EAAE;YAC9C,MAAM,CAAC,KAAK,GAAG,CAAC,IAAI,MAAM,GAAG,CAAC,EAAE,2BAA2B,CAAC,CAAA;YAC5D,MAAM,CAAC,KAAK,GAAG,KAAK,CAAA;YACpB,MAAM,CAAC,MAAM,GAAG,MAAM,CAAA;QACxB,CAAC;QACD,WAAW,EAAE,GAAG,EAAE,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAC;QAC/C,WAAW,EAAE,GAAG,EAAE,CAAC,OAAO,CAAC,YAAY,CAAC,CAAC,EAAE,CAAC,EAAE,MAAM,CAAC,KAAK,EAAE,MAAM,CAAC,MAAM,CAAC;QAC1E,OAAO,EAAE,GAAG,EAAE;YACZ,MAAM,CAAC,KAAK,GAAG,CAAC,CAAA;YAChB,MAAM,CAAC,MAAM,GAAG,CAAC,CAAA;YACjB,iCAAiC;YACjC,MAAM,GAAG,IAAgC,CAAA;YACzC,OAAO,GAAG,IAAkD,CAAA;QAC9D,CAAC;KACF,CAAA;AACH,CAAC"}

test/jest.test.js

+const { join } = require('node:path')
+const { comparePdfToSnapshot } = require('../lib')
+
+const twoPagePdfPath = join(__dirname, '../src/test-data/pdfs/', 'two-page.pdf')
+const snapshotDir = join(__dirname)
+
+/** @type {import('../lib').CompareOptions} */
+const opts = {
+  pdf2PngOptions: { dpi: 72 },
+}
+
+describe('jest smoke tests', () => {
+  test(
+    'plain fn',
+    () =>
+      comparePdfToSnapshot(twoPagePdfPath, snapshotDir, 'jest_smoke_tests_plain_fn', opts).then(
+        (isEqual) => {
+          expect(isEqual).toEqual(true)
+        },
+      ),
+    10_000,
+  )
+
+  test('custom matcher', () => expect(twoPagePdfPath).toMatchPdfSnapshot(opts), 10_000)
+})

CHANGELOG.md

 # Changelog
 
+## 0.11.0 / 2024-09-11
+
+- [PR#67](https://github.com/moshensky/pdf-visual-diff/pull/67): Dependencies update. **BREAKING CHANGE**: Minimum supported **Node.js v18**.
+  Notably, the update of `pdfjs-dist` to **v4** (`^4.6.82`) from v3 introduces significant changes. As a result, this release is a **BREAKING CHANGE**:
+  - Due to the update in `pdfjs-dist`, the minimum supported Node.js version is now 18.
+  - If you were using a version of `pdfjs-dist` lower than [v3.7.107](https://github.com/mozilla/pdf.js/releases/tag/v3.7.107), your snapshots might start to fail due to changes in how fonts are loaded and used in certain circumstances.
+  
+  For the time being, this release has 0 vulnerabilities according to `npm audit`.
+
 ## 0.10.0 / 2024-09-06
@@ -4,0 +13,0 @@

lib/pdf2png/pdf2png.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.pdf2png = pdf2png;
-const fs = require("fs/promises");
-const path = require("path");
+const fs = require("node:fs/promises");
+const path = require("node:path");
 const jimp_1 = require("jimp");
 const types_1 = require("../types");
 const conversions_1 = require("../conversions");
-const nodeCanvasFactory_1 = require("./nodeCanvasFactory");
+const createCanvasContext_1 = require("./createCanvasContext");
 // pdfjs location
@@ -37,2 +37,24 @@ const PDFJS_DIR = path.join(path.dirname(require.resolve('pdfjs-dist')), '..');
 }
+function mkPdfPagesRenderer(pdfDocument, dpi) {
+    return async function (toImage, toJimpInstances) {
+        const images = [];
+        const canvas = (0, createCanvasContext_1.createCanvasContext)();
+        const totalPages = pdfDocument.numPages;
+        for (let idx = 1; idx <= totalPages; idx += 1) {
+            const page = await pdfDocument.getPage(idx);
+            const viewport = getPageViewPort(page, dpi);
+            canvas.resize(viewport.width, viewport.height);
+            const renderParameters = {
+                // @ts-expect-error type mismatch between web and node.js canvas
+                canvasContext: canvas.context,
+                viewport,
+            };
+            await page.render(renderParameters).promise;
+            page.cleanup();
+            images.push(toImage(canvas));
+        }
+        canvas.dispose();
+        return toJimpInstances(images);
+    };
+}
 async function pdf2png(pdf, options = {}) {
@@ -42,26 +64,19 @@ const { getDocument } = await import('pdfjs-dist/legacy/build/pdf.mjs');
     // Load PDF
-    const pdfBuffer = await (Buffer.isBuffer(pdf) ? Promise.resolve(pdf) : fs.readFile(pdf));
+    const pdfBuffer = Buffer.isBuffer(pdf) ? pdf : await fs.readFile(pdf);
     const loadingTask = getDocument(Object.assign(Object.assign({}, DOCUMENT_INIT_PARAMS_DEFAULTS), { data: new Uint8Array(pdfBuffer) }));
     const pdfDocument = await loadingTask.promise;
-    const numPages = pdfDocument.numPages;
-    const canvas = (0, nodeCanvasFactory_1.mkCanvas)();
-    // Generate images
-    const images = [];
-    for (let idx = 1; idx <= numPages; idx += 1) {
-        const page = await pdfDocument.getPage(idx);
-        const viewport = getPageViewPort(page, opts.dpi);
-        canvas.set(viewport.width, viewport.height);
-        const renderParameters = {
-            // @ts-expect-error type mismatch between web and node.js canvas
-            canvasContext: canvas.context,
-            viewport,
-        };
-        await page.render(renderParameters).promise;
-        page.cleanup();
-        const imgData = canvas.context.getImageData(0, 0, viewport.width, viewport.height);
-        images.push(jimp_1.Jimp.fromBitmap(imgData));
+    const renderPdfPages = mkPdfPagesRenderer(pdfDocument, opts.dpi);
+    /**
+     * For faster processing, we want to use `Jimp.fromBitmap`. However, it
+     * internally uses `instanceof`, which doesn't work well with Jest due to
+     * [Jest globals differing from Node globals](https://github.com/jestjs/jest/issues/2549).
+     */
+    // @ts-expect-error we have to assert if running in jest env
+    if (typeof jest !== 'undefined') {
+        return renderPdfPages((canvas) => canvas.toPngBuffer(), (images) => Promise.all(images.map((x) => jimp_1.Jimp.read(x).then((x) => x))));
     }
-    canvas.destroy();
-    return images;
+    else {
+        return renderPdfPages((canvas) => jimp_1.Jimp.fromBitmap(canvas.toImageData()), (images) => Promise.resolve(images));
+    }
 }
 //# sourceMappingURL=pdf2png.js.map

lib/pdf2png/pdf2png.js.map

@@ -1,1 +0,1 @@
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package.json

 {
   "name": "pdf-visual-diff",
-  "version": "0.11.0",
+  "version": "0.11.1",
   "description": "Visual Regression Testing for PDFs in JavaScript",
@@ -21,2 +21,3 @@ "bin": "./lib/cli/index.js",
     "test:watch": "node --require ts-node/register --test --watch src/**/*.test.ts src/*.test.ts",
+    "test:jest": "npm run tsc -- --noEmit false && NODE_OPTIONS=--experimental-vm-modules jest test/jest.test.js",
     "license-checker": "npx license-checker --production --onlyAllow 'MIT; MIT OR X11; BSD; ISC; Apache-2.0; Unlicense' --excludePackages 'pdf-visual-diff'",
@@ -60,2 +61,3 @@ "update-deps": "npx npm-check-updates --configFileName .ncurc.js"
     "eslint-plugin-tsdoc": "^0.3.0",
+    "jest": "^29.7.0",
     "prettier": "^3.3.3",
@@ -62,0 +64,0 @@ "ts-node": "^10.9.2",

.ncurc.js

-/**
- * Configure which packages to ignore version upgrades.
- */
-const ignoredPackages = [];
-
-/**
- * Configure which packages to ignore for major version upgrades.
- * Type: { [packageName]: reason }, i.e. { '@storybook/react': 'some reason' }
- */
-const ignoreMajorVersions = {
-};
-
-module.exports = {
-  upgrade: true,
-  reject: ignoredPackages,
-  packageManager: 'npm',
-  /** Custom target that performs minor upgrades for selected packages.
-    @param dependencyName The name of the dependency.
-    @param parsedVersion A parsed Semver object from semver-utils.
-      (See https://git.coolaj86.com/coolaj86/semver-utils.js#semverutils-parse-semverstring)
-    @returns 'latest' | 'newest' | 'greatest' | 'minor' | 'patch'
-  */
-  target: (dependencyName, parsedVersion) => {
-    const ignored = ignoreMajorVersions[dependencyName]
-    if (ignored !== undefined) {
-      const res = 'minor';
-      console.log(`\n👀  ️${dependencyName} is pinned to ${res}. Reason: ${ignored}`);
-      return res;
-    }
-    return 'latest';
-  },
-};

eslint.config.mjs

-// @ts-check
-
-import eslint from '@eslint/js'
-import tseslint from 'typescript-eslint'
-import tsdoceslint from 'eslint-plugin-tsdoc'
-
-export default tseslint.config({
-  files: ['**/*.ts'],
-  extends: [eslint.configs.recommended, ...tseslint.configs.strict, ...tseslint.configs.stylistic],
-  plugins: {
-    tsdoc: tsdoceslint,
-  },
-  rules: {
-    'tsdoc/syntax': 'error',
-    '@typescript-eslint/array-type': 'off',
-    '@typescript-eslint/consistent-type-definitions': 'off',
-  },
-})

lib/pdf2png/nodeCanvasFactory.d.ts

-import * as Canvas from 'canvas';
-export type CanvasAndContext = {
-    context: Canvas.CanvasRenderingContext2D;
-    set: (width: number, height: number) => void;
-    destroy: () => void;
-};
-export declare function mkCanvas(): CanvasAndContext;

lib/pdf2png/nodeCanvasFactory.js

-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.mkCanvas = mkCanvas;
-const Canvas = require("canvas");
-const assert = require("assert");
-function mkCanvas() {
-    let canvas = Canvas.createCanvas(1, 1);
-    let context = canvas.getContext('2d');
-    return {
-        context,
-        set: (width, height) => {
-            assert.ok(width > 0 && height > 0, 'Invalid canvas size');
-            canvas.width = width;
-            canvas.height = height;
-        },
-        destroy: () => {
-            canvas.width = 0;
-            canvas.height = 0;
-            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-            // @ts-ignore
-            canvas = null;
-            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-            // @ts-ignore
-            context = null;
-        },
-    };
-}
-//# sourceMappingURL=nodeCanvasFactory.js.map

lib/pdf2png/nodeCanvasFactory.js.map

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New alerts

Filesystem access

Supply chain risk

Accesses the file system, and could potentially read sensitive data.

Found 2 instances in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

Filesystem access

Supply chain risk

Accesses the file system, and could potentially read sensitive data.

Found 2 instances in 1 package

Improved metrics

Total package byte prevSize

123955

40.48%

Number of package files

74

2.78%

Worsened metrics

Dev dependency count

13

8.33%

No dependency changes