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64 export function isNotUndefined (arg: T): arg is Exclude { 65 return arg !== undefined 66 }
74 public IsNullOrUndefined(): ArrayValidator { 75 if (this._variableValue !== null || typeof this._variableValue !== "undefined") { 76 throw new ReferenceError(`${this._variableName} should be null or undefined`); 77 } else { 78 return this; 79 } 80 }
707 function isNullOrUndefined(arg) { 708 return arg == null; 709 }
71 function isUndefined(variable) { 72 return typeof variable === 'undefined'; 73 }
21 "[object Undefined]": function objectUndefined(val) { 22 return val; 23 },
30 export function isNullOrUndefined(object: any) { 31 return object === null || object === undefined 32 33 }
5 export function isNullOrUndefined(prop) { 6 return prop === null || prop === undefined; 7 }
48 export function isNullOrUndefined(value: any) : value is null | undefined { 49 return isUndefined(value) || isNull(value); 50 }
37 export function isNullOrUndefined(value: any): boolean { 38 return value === undefined || value === null; 39 }
69 function isNullOrUndefined(value) { 70 return value === null || value === undefined; 71 }