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Mini Shell
Mini Shell
"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
Zerion Mini Shell 1.0