create project

kitabcitab/node_modules/next/dist/server/lib/squoosh/main.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.getMetadata = getMetadata;
+exports.processBuffer = processBuffer;
+exports.decodeBuffer = decodeBuffer;
+var _jestWorker = require("next/dist/compiled/jest-worker");
+var path = _interopRequireWildcard(require("path"));
+var _utils = require("../../../shared/lib/utils");
+var _os = require("os");
+function _getRequireWildcardCache() {
+    if (typeof WeakMap !== "function") return null;
+    var cache = new WeakMap();
+    _getRequireWildcardCache = function() {
+        return cache;
+    };
+    return cache;
+}
+function _interopRequireWildcard(obj) {
+    if (obj && obj.__esModule) {
+        return obj;
+    }
+    if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
+        return {
+            default: obj
+        };
+    }
+    var cache = _getRequireWildcardCache();
+    if (cache && cache.has(obj)) {
+        return cache.get(obj);
+    }
+    var newObj = {};
+    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
+    for(var key in obj){
+        if (Object.prototype.hasOwnProperty.call(obj, key)) {
+            var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
+            if (desc && (desc.get || desc.set)) {
+                Object.defineProperty(newObj, key, desc);
+            } else {
+                newObj[key] = obj[key];
+            }
+        }
+    }
+    newObj.default = obj;
+    if (cache) {
+        cache.set(obj, newObj);
+    }
+    return newObj;
+}
+const getWorker = (0, _utils).execOnce(()=>new _jestWorker.Worker(path.resolve(__dirname, "impl"), {
+        enableWorkerThreads: true,
+        // There will be at most 6 workers needed since each worker will take
+        // at least 1 operation type.
+        numWorkers: Math.max(1, Math.min((0, _os).cpus().length - 1, 6)),
+        computeWorkerKey: (method)=>method
+    }));
+async function getMetadata(buffer) {
+    const worker = getWorker();
+    const { width , height  } = await worker.decodeBuffer(buffer);
+    return {
+        width,
+        height
+    };
+}
+async function processBuffer(buffer, operations, encoding, quality) {
+    const worker = getWorker();
+    let imageData = await worker.decodeBuffer(buffer);
+    for (const operation of operations){
+        if (operation.type === "rotate") {
+            imageData = await worker.rotate(imageData, operation.numRotations);
+        } else if (operation.type === "resize") {
+            const opt = {
+                image: imageData,
+                width: 0,
+                height: 0
+            };
+            if (operation.width && imageData.width && imageData.width > operation.width) {
+                opt.width = operation.width;
+            }
+            if (operation.height && imageData.height && imageData.height > operation.height) {
+                opt.height = operation.height;
+            }
+            if (opt.width > 0 || opt.height > 0) {
+                imageData = await worker.resize(opt);
+            }
+        }
+    }
+    switch(encoding){
+        case "jpeg":
+            return Buffer.from(await worker.encodeJpeg(imageData, {
+                quality
+            }));
+        case "webp":
+            return Buffer.from(await worker.encodeWebp(imageData, {
+                quality
+            }));
+        case "avif":
+            const avifQuality = quality - 20;
+            return Buffer.from(await worker.encodeAvif(imageData, {
+                quality: Math.max(avifQuality, 0)
+            }));
+        case "png":
+            return Buffer.from(await worker.encodePng(imageData));
+        default:
+            throw Error(`Unsupported encoding format`);
+    }
+}
+async function decodeBuffer(buffer) {
+    const worker = getWorker();
+    const imageData = await worker.decodeBuffer(buffer);
+    return imageData;
+}
+
+//# sourceMappingURL=main.js.map