tedious/lib/data-types/image.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
const NULL_LENGTH = Buffer.from([0xFF, 0xFF, 0xFF, 0xFF]);
const Image = {
  id: 0x22,
  type: 'IMAGE',
  name: 'Image',
  hasTableName: true,
  declaration: function () {
    return 'image';
  },
  resolveLength: function (parameter) {
    if (parameter.value != null) {
      const value = parameter.value; // TODO: Temporary solution. Replace 'any' more with specific type;
      return value.length;
    } else {
      return -1;
    }
  },
  generateTypeInfo(parameter) {
    const buffer = Buffer.alloc(5);
    buffer.writeUInt8(this.id, 0);
    buffer.writeInt32LE(parameter.length, 1);
    return buffer;
  },
  generateParameterLength(parameter, options) {
    if (parameter.value == null) {
      return NULL_LENGTH;
    }
    const buffer = Buffer.alloc(4);
    buffer.writeInt32LE(parameter.value.length, 0);
    return buffer;
  },
  *generateParameterData(parameter, options) {
    if (parameter.value == null) {
      return;
    }
    yield parameter.value;
  },
  validate: function (value) {
    if (value == null) {
      return null;
    }
    if (!Buffer.isBuffer(value)) {
      throw new TypeError('Invalid buffer.');
    }
    return value;
  }
};
var _default = exports.default = Image;
module.exports = Image;
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