matrix-react-sdk/lib/utils/SnakedObject.js

SDK for matrix.org using React

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.SnakedObject = void 0;
exports.snakeToCamel = snakeToCamel;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

function snakeToCamel(s) {
  return s.replace(/._./g, v => `${v[0]}${v[2].toUpperCase()}`);
}
class SnakedObject {
  constructor(obj) {
    (0, _defineProperty2.default)(this, "fallbackWarnings", new Set());
    this.obj = obj;
  }
  get(key, altCaseName) {
    const val = this.obj[key];
    if (val !== undefined) return val;
    const fallbackKey = altCaseName ?? snakeToCamel(key);
    const fallback = this.obj[fallbackKey];
    if (!!fallback && !this.fallbackWarnings.has(fallbackKey)) {
      this.fallbackWarnings.add(fallbackKey);
      console.warn(`Using deprecated camelCase config ${fallbackKey}`);
      console.warn("See https://github.com/vector-im/element-web/blob/develop/docs/config.md#-deprecation-notice");
    }
    return fallback;
  }

  // Make JSON.stringify() pretend that everything is fine
  toJSON() {
    return this.obj;
  }
}
exports.SnakedObject = SnakedObject;
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