22 lines
609 B
TypeScript
22 lines
609 B
TypeScript
export const createPlaceholders = ( arr: any[] ) => {
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return arr.map(() => '?').join(', ');
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}
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export type AddDollarPrefix<T> = {
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[K in keyof T as `$${string & K}`]: T[K];
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};
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export function prefixKeysWithDollar<T extends Record<string, any>>(obj: T): AddDollarPrefix<T> {
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const result = {} as AddDollarPrefix<T>;
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for (const key in obj) {
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const newKey = `$${key}` as keyof AddDollarPrefix<T>;
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result[newKey] = obj[key] as any;
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}
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return result;
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}
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export function transformArray<T extends Record<string, any>>(arr: T[]): AddDollarPrefix<T>[] {
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return arr.map(prefixKeysWithDollar);
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} |