Add Object.freeze on private enums
Improve code readability
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@ -1,20 +1,16 @@
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var Long = require('long');
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module.exports.notNullOrEmpty = function(value, name) {
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if (value === null)
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throw new TypeError(name + " should not be null.");
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if (value === '')
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throw new Error(name + " should not be empty.");
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if (value === null) throw new TypeError(name + " should not be null.");
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if (value === '') throw new Error(name + " should not be empty.");
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};
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module.exports.notNull = function(value, name) {
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if (value === null)
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throw new TypeError(name + " should not be null.");
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if (value === null) throw new TypeError(name + " should not be null.");
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};
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function isInteger(value, name) {
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if (typeof value !== 'number' || value % 1 !== 0)
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throw new TypeError(name + " should be an integer.");
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if (typeof value !== 'number' || value % 1 !== 0) throw new TypeError(name + " should be an integer.");
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}
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module.exports.isInteger = isInteger;
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@ -27,24 +23,23 @@ module.exports.isLongOrInteger = function(value, name) {
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};
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module.exports.isArrayOf = function(expectedType, value, name) {
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if (!Array.isArray(value))
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throw new TypeError(name + " should be an array.");
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if (!value.every(function(x) { return x instanceof expectedType; }))
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if (!Array.isArray(value)) throw new TypeError(name + " should be an array.");
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if (!value.every(function(x) { return x instanceof expectedType; })) {
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throw new TypeError([name, " should be an array of ", expectedType.name, "."].join(""));
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}
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};
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module.exports.isTypeOf = function(expectedType, value, name, nullAllowed) {
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if (nullAllowed && value === null) return;
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if (!(value instanceof expectedType))
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throw new TypeError([name, " should be of type '", expectedType.name, "'", nullAllowed ? " or null": "", "."].join(""));
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if (!(value instanceof expectedType)) {
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throw new TypeError([name, " should be of type '", expectedType.name, "'", nullAllowed ? " or null" : "", "."].join(""));
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}
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};
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module.exports.positive = function(value, name) {
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if (value <= 0)
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throw new Error(name + " should be positive.");
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if (value <= 0) throw new Error(name + " should be positive.");
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};
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module.exports.nonNegative = function(value, name) {
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if (value < 0)
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throw new Error(name + " should be non-negative.");
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if (value < 0) throw new Error(name + " should be non-negative.");
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};
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