9 lines
317 B
JavaScript
9 lines
317 B
JavaScript
export const numberSelector = (obj, key, type) => {
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if (!(key in obj))
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return undefined;
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const numberValue = parseInt(obj[key], 10);
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if (Number.isNaN(numberValue)) {
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throw new TypeError(`Cannot load ${type} '${key}'. Expected number, got '${obj[key]}'.`);
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}
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return numberValue;
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};
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