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/* |
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* Copyright (c) 2017-2018 Rafael da Silva Rocha. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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/** |
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* @fileoverview Functions to validate input. |
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* @see https://github.com/rochars/byte-data |
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*/ |
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const TYPE_ERR = 'Unsupported type'; |
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/** |
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* Validate that the value is not null or undefined. |
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* @param {*} value The value.y. |
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* @throws {Error} If the value is not Number or Boolean. |
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* @throws {Error} If the value is NaN, Infinity or -Infinity. |
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*/ |
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export function validateIsInt(value) { |
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validateIsNumber(value); |
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if (value !== value || value === Infinity || value === -Infinity) { |
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throwValueErr_('integer'); |
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} |
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} |
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/** |
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* Validate that the value is not null or undefined. |
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* @param {*} value The value. |
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* @throws {Error} If the value is not Number or Boolean. |
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*/ |
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export function validateIsNumber(value) { |
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if (value === undefined || value === null) { |
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throwValueErr_(); |
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} |
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if (value.constructor != Number && value.constructor != Boolean) { |
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throwValueErr_(); |
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} |
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} |
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/** |
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* Validate the type definition of floating-point numbers. |
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* @param {number} bits The number of bits. |
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* @throws {Error} If the type definition is not valid. |
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* @private |
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*/ |
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export function validateFloatType(bits) { |
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if (!bits || bits !== 16 && bits !== 32 && bits !== 64) { |
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throw new Error(TYPE_ERR + ': float, bits: ' + bits); |
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} |
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} |
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/** |
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* Validate the type definition of integers. |
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* @param {number} bits The number of bits. |
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* @throws {Error} If the type definition is not valid. |
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* @private |
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*/ |
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export function validateIntType(bits) { |
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if (!bits || bits < 1 || bits > 53) { |
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throw new Error(TYPE_ERR + ': int, bits: ' + bits); |
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} |
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} |
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/** |
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* Throw a error about the input value. |
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* @param {string} theType The name of the type the value was expected to be. |
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* @throws {Error} Always when called. |
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* @private |
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*/ |
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function throwValueErr_(theType='valid number') { |
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throw new Error('Argument is not a ' + theType); |
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} |
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rochars /
byte-data
