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michaeljscript/typeguards.is-person-v1.ts

Last active April 3, 2019 14:01
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typeguards.is-person-v1.ts
function isPerson(value: unknown): value is Person {
return typeof value === 'object' && value &&
value.hasOwnProperty('name') &&
value.hasOwnProperty('age') &&
typeof value.name === 'string' &&
typeof value.age === 'number';
}
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