imgproxy/dist/utils.js

NodeJS client library to generate imgproxy urls

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/utils.ts
var utils_exports = {};
__export(utils_exports, {
  isFocusPoint: () => isFocusPoint,
  isOffsetGravity: () => isOffsetGravity,
  isRGBColor: () => isRGBColor,
  isSecureConfig: () => isSecureConfig,
  sign: () => sign,
  urlSafeEncode: () => urlSafeEncode
});
module.exports = __toCommonJS(utils_exports);
var import_crypto = __toESM(require("crypto"));
var isRGBColor = (obj) => {
  return typeof obj === "object" && "r" in obj && "g" in obj && "b" in obj;
};
var isFocusPoint = (obj) => {
  return typeof obj === "object" && "x" in obj && "y" in obj;
};
var isOffsetGravity = (obj) => {
  return typeof obj === "object" && "xOffset" in obj && "yOffset" in obj && "type" in obj;
};
var isSecureConfig = (config) => {
  return "key" in config && "salt" in config;
};
var hexDecode = (hex) => Buffer.from(hex, "hex");
var encodeUrlChars = (url) => url.replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
var urlSafeEncode = (data) => {
  if (Buffer.isBuffer(data)) {
    return encodeUrlChars(data.toString("base64"));
  }
  return encodeUrlChars(Buffer.from(data, "utf-8").toString("base64"));
};
var sign = (key, salt, target, size = 32) => {
  const hmac = import_crypto.default.createHmac("sha256", hexDecode(key));
  hmac.update(hexDecode(salt));
  hmac.update(target);
  return urlSafeEncode(hmac.digest().slice(0, size));
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  isFocusPoint,
  isOffsetGravity,
  isRGBColor,
  isSecureConfig,
  sign,
  urlSafeEncode
});