express-intercept/lib/_compression.js

Build Express middleware to intercept / replace / inspect / transform response

"use strict";
// _compression.ts
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.findEncoding = findEncoding;
exports.decompressBuffer = decompressBuffer;
exports.compressBuffer = compressBuffer;
const zlib = __importStar(require("zlib"));
const decoders = {
    br: zlib.brotliDecompressSync,
    gzip: zlib.gunzipSync,
    deflate: zlib.inflateSync,
};
const encoders = {
    br: zlib.brotliCompressSync,
    gzip: zlib.gzipSync,
    deflate: zlib.deflateSync,
};
function findEncoding(encoding) {
    return String(encoding).split(/\W+/).filter(e => !!decoders[e]).shift();
}
function decompressBuffer(buf, encoding) {
    const decoder = decoders[encoding];
    return decoder(buf);
}
function compressBuffer(buf, encoding) {
    const encoder = encoders[encoding];
    return encoder(buf);
}