45 lines
1.1 KiB
TypeScript
45 lines
1.1 KiB
TypeScript
function form_verficiation_error_message(type?: string, field?: string) {
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let msg = "Parameter verification failed! ";
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if (type && field) {
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msg += `At ${type}.${field}! `;
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} else if (type) {
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msg += `At type ${type}! `;
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} else if (field) {
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msg += `At field ${field}! `;
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}
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return msg;
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}
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export class VerificationError extends Error {
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constructor(
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public readonly type?: string,
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public readonly field?: string,
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public readonly value?: any
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) {
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super(form_verficiation_error_message(type, field));
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}
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}
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export function apply_int(data: any) {
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data = Math.floor(Number(data));
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if (Number.isNaN(data)) throw new VerificationError("int", undefined, data);
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return data;
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}
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export function apply_float(data: any) {
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data = Number(data);
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if (Number.isNaN(data))
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throw new VerificationError("float", undefined, data);
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return data;
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}
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export function apply_string(data: any) {
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return String(data);
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}
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export function apply_boolean(data: any) {
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return Boolean(data);
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}
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export function apply_void(data: any) { }
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