bankcode-bic/dist/libs/pack-data.js

Convert bank codes from IBAN to BICs, Name of bank. Currently supports only some selected EU countries.

import { getField } from "../download/download.js";

//#region src/libs/pack-data.ts
function packData(data, keyNames, fieldNames) {
	const dataFormat = [
		"flat",
		"keyed",
		"serialized"
	][Math.min(keyNames.length, 2)];
	let outputObject;
	switch (dataFormat) {
		case "keyed": {
			const onlyOneField = fieldNames.length === 1;
			outputObject = {
				type: "keyed",
				key: keyNames[0],
				fields: fieldNames,
				banks: data.reduce((acc, row) => {
					const key = getField(keyNames[0], row);
					acc[key] = onlyOneField ? getField(fieldNames[0], row) : getFields(fieldNames, row);
					return acc;
				}, {})
			};
			break;
		}
		case "serialized": {
			const keysData = keyNames.reduce((acc, key) => {
				acc[key] = {};
				return acc;
			}, {});
			const banks = Array.from({ length: data.length });
			let index = 0;
			for (const row of data) {
				for (const keyName of keyNames) {
					if (!keysData[keyName]) keysData[keyName] = {};
					keysData[keyName][getField(keyName, row)] = index;
				}
				banks[index++] = getFields(fieldNames, row);
			}
			outputObject = {
				type: "serialized",
				keys: keysData,
				fields: fieldNames,
				banks
			};
			break;
		}
		default: outputObject = {
			type: "flat",
			fields: fieldNames,
			banks: data.map((row) => getFields(fieldNames, row))
		};
	}
	return outputObject;
}
function getFields(fieldNames, row) {
	return fieldNames.map((field) => getField(field, row));
}

//#endregion
export { packData };