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30import { DateTime } from 'luxon';
import { ExpressionExtensionError } from '../errors/expression-extension.error';
// Utility functions and type guards for expression extensions
export const convertToDateTime = (value: string | Date | DateTime): DateTime | undefined => {
let converted: DateTime | undefined;
if (typeof value === 'string') {
converted = DateTime.fromJSDate(new Date(value));
if (converted.invalidReason !== null) {
return;
}
} else if (value instanceof Date) {
converted = DateTime.fromJSDate(value);
} else if (DateTime.isDateTime(value)) {
converted = value;
}
return converted;
};
export function checkIfValueDefinedOrThrow<T>(value: T, functionName: string): void {
if (value === undefined || value === null) {
throw new ExpressionExtensionError(`${functionName} can't be used on ${String(value)} value`, {
description: `To ignore this error, add a ? to the variable before this function, e.g. my_var?.${functionName}`,
});
}
}