1.0.17

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@push.rocks/smartjimp",
-  "version": "1.0.8",
+  "version": "1.0.17",
   "private": false,
   "description": "a tool fr working with images in TypeScript",
   "main": "dist_ts/index.js",
@@ -17,7 +17,7 @@
     "@git.zone/tsrun": "^1.2.44",
     "@git.zone/tstest": "^1.0.77",
     "@push.rocks/tapbundle": "^5.0.8",
-    "@types/node": "^20.10.0"
+    "@types/node": "^20.10.2"
   },
   "dependencies": {
     "@push.rocks/levelcache": "^3.0.3",
@@ -25,8 +25,8 @@
     "@push.rocks/smarthash": "^3.0.4",
     "@push.rocks/smartpath": "^5.0.5",
     "@push.rocks/smartrequest": "^2.0.15",
-    "@types/sharp": "^0.32.0",
-    "sharp": "^0.32.6"
+    "jimp": "^0.22.10",
+    "sharp": "^0.33.0"
   },
   "files": [
     "ts/**/*",

test/test.ts

@@ -5,7 +5,7 @@ import * as smartfile from '@push.rocks/smartfile';
 let testSmartJimp: smartjimp.SmartJimp;
 
 tap.test('first test', async () => {
-  testSmartJimp = new smartjimp.SmartJimp();
+  testSmartJimp = new smartjimp.SmartJimp({ mode: 'sharp'});
   expect(testSmartJimp).toBeInstanceOf(smartjimp.SmartJimp);
 });
 
@@ -15,4 +15,13 @@ tap.test('should be able to create a master', async () => {
   (await smartfile.SmartFile.fromBuffer('.nogit/result.avif', convertedAsset)).write();
 });
 
+tap.test('should be able to use jimp', async () => {
+  const testSmartJimp = new smartjimp.SmartJimp({ mode: 'jimp'});
+  const smartfileInstance = await smartfile.SmartFile.fromUrl('https://images.unsplash.com/photo-1673276628202-737bf3020ac2?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=3774&q=80')
+  const convertedAsset = await testSmartJimp.computeAssetVariation(smartfileInstance.contents, {
+    format: 'png',
+  });
+  (await smartfile.SmartFile.fromBuffer('.nogit/result2.png', convertedAsset)).write();
+})
+
 tap.start();

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartjimp',
-  version: '1.0.8',
+  version: '1.0.17',
   description: 'a tool fr working with images in TypeScript'
 }

ts/plugins.ts

@@ -11,8 +11,3 @@ import * as smartpath from '@push.rocks/smartpath';
 import * as smartrequest from '@push.rocks/smartrequest';
 
 export { levelcache, smartpath, smarthash, smartfile, smartrequest };
-
-// third party scope
-import sharp from 'sharp';
-
-export { sharp };

ts/plugins.typed.ts

@@ -0,0 +1,7 @@
+import type * as sharpType from 'sharp';
+
+export { type sharpType };
+
+import type * as jimpType from 'jimp';
+
+export { type jimpType };

ts/smartjimp.classes.smartjimp.ts

@@ -1,8 +1,15 @@
-import * as plugins from './smartjimp.plugins.js';
+import * as plugins from './plugins.js';
+import * as pluginsTyped from './plugins.typed.js';
 
-export interface IDimensions {
+export interface IAssetVariation {
+  format?: 'avif' | 'webp' | 'png';
   width?: number;
   height?: number;
+  invert?: boolean;
+}
+
+export interface ISmartJimpOptions {
+  mode: 'sharp' | 'jimp';
 }
 
 export class SmartJimp {
@@ -12,53 +19,115 @@ export class SmartJimp {
     maxDiskStorageInMB: 5000,
   });
 
+  public options: ISmartJimpOptions;
+  constructor(optionsArg: ISmartJimpOptions) {
+    this.options = optionsArg;
+  }
+
   /**
    * get a key that is unique for a wanted asset variation
    */
   private getCacheKey(
     sourceTypeArg: 'streamfile' | 'smartfile',
     sourceIdArg: string,
-    wantedDimensionsArg?: IDimensions
+    assetVariationArg?: IAssetVariation
   ) {
     return `${sourceTypeArg}_${sourceIdArg}_${
-      wantedDimensionsArg
-        ? `${wantedDimensionsArg.width || 'auto' }x${wantedDimensionsArg.height || 'auto'}`
+      assetVariationArg
+        ? `${assetVariationArg.width || 'auto'}x${assetVariationArg.height || 'auto'}`
         : 'original'
     }`;
   }
 
-  private async computeAssetVariation(assetBuffer: Buffer, wantedDimensions?: IDimensions) {
-    if (!wantedDimensions) {
-      return assetBuffer;
+  sharpMod: typeof pluginsTyped.sharpType.default;
+  public async getSharpMod(): Promise<
+    typeof pluginsTyped.sharpType.default
+  > {
+    if (!this.sharpMod) {
+      this.sharpMod = (await import('sharp')).default;
+    }
+    return this.sharpMod;
+  }
+
+  jimpMod: typeof pluginsTyped.jimpType;
+  public async getJimpMod(): Promise<typeof pluginsTyped.jimpType.default> {
+    if (!this.jimpMod) {
+      this.jimpMod = await import('jimp');
+    }
+    return this.jimpMod.default;
+  }
+
+  public async computeAssetVariation(assetBufferArg: Buffer, assetVariationArg: IAssetVariation) {
+    if (this.options.mode === 'sharp') {
+      const sharp = await this.getSharpMod();
+      if (!assetVariationArg) {
+        return assetBufferArg;
+      }
+      let sharpImage = sharp(assetBufferArg);
+      sharpImage = sharpImage.resize(assetVariationArg.width, assetVariationArg.height);
+      const resultResize = sharpImage.resize(assetVariationArg.width, assetVariationArg.height);
+      if (assetVariationArg.invert) {
+        // TODO: implement invert
+      }
+      switch (assetVariationArg.format) {
+        case 'avif':
+          sharpImage = resultResize.avif();
+        case 'webp':
+          sharpImage = resultResize.webp();
+        case 'png':
+          sharpImage = resultResize.png();
+      }
+      return sharpImage.toBuffer();
+    } else if (this.options.mode === 'jimp') {
+      const jimp = await this.getJimpMod();
+      let jimpImage = await jimp.read(assetBufferArg);
+      if (assetVariationArg.width || assetVariationArg.height) {
+        jimpImage = jimpImage.resize(assetVariationArg.width, assetVariationArg.height);
+      }
+      if (assetVariationArg.invert) {
+        jimpImage = jimpImage.invert();
+      }
+      switch (assetVariationArg.format) {
+        case 'png':
+          return await jimpImage.getBufferAsync(jimp.MIME_PNG);
+        default:
+          return await jimpImage.getBufferAsync(jimp.MIME_JPEG);
+      }
     }
-    let sharpImage = plugins.sharp(assetBuffer);
-    sharpImage = sharpImage.resize(wantedDimensions.width, wantedDimensions.height);
-    const result = await sharpImage.resize(wantedDimensions.width, wantedDimensions.height).avif().toBuffer();
-    return result;
   }
 
   public async getFromSmartfile(
     smartfileArg: plugins.smartfile.SmartFile,
-    wantedDimensionsArg?: IDimensions
+    wantedDimensionsArg?: IAssetVariation
   ) {
-    const cacheKey = this.getCacheKey('smartfile', await smartfileArg.getHash(), wantedDimensionsArg);
+    const cacheKey = this.getCacheKey(
+      'smartfile',
+      await smartfileArg.getHash(),
+      wantedDimensionsArg
+    );
     const existingCacheEntry = await this.levelCache.retrieveCacheEntryByKey(cacheKey);
     if (existingCacheEntry) {
       return existingCacheEntry.contents;
     } else {
-      const computedAssetBuffer = await this.computeAssetVariation(smartfileArg.contentBuffer, wantedDimensionsArg);
-      this.levelCache.storeCacheEntryByKey(cacheKey, new plugins.levelcache.CacheEntry({
-        contents: computedAssetBuffer,
-        ttl: 600000
-      }));
+      const computedAssetBuffer = await this.computeAssetVariation(
+        smartfileArg.contentBuffer,
+        wantedDimensionsArg
+      );
+      this.levelCache.storeCacheEntryByKey(
+        cacheKey,
+        new plugins.levelcache.CacheEntry({
+          contents: computedAssetBuffer,
+          ttl: 600000,
+        })
+      );
       return computedAssetBuffer;
     }
   }
 
   public async createAvifImageFromBuffer(bufferArg: Buffer) {
-    const sharpImage = plugins.sharp(bufferArg);
+    const sharp = await this.getSharpMod();
+    const sharpImage = sharp(bufferArg);
     const result = await sharpImage.avif().toBuffer();
     return result;
   }
-
 }

ts/smartjimp.paths.ts

@@ -1,4 +1,4 @@
-import * as plugins from './smartjimp.plugins.js';
+import * as plugins from './plugins.js';
 
 export const packageDir = plugins.path.join(plugins.smartpath.get.dirnameFromImportMetaUrl(import.meta.url), '../');
 export const nogitDir = plugins.path.join(packageDir, '.nogit/')