serverless-spy
Version:
CDK-based library for writing elegant integration tests on AWS serverless architecture and an additional web console to monitor events in real time.
62 lines (61 loc) • 2.56 kB
JavaScript
import { NumberValue } from "./NumberValue";
export const convertToNative = (data, options) => {
for (const [key, value] of Object.entries(data)) {
if (value !== undefined) {
switch (key) {
case "NULL":
return null;
case "BOOL":
return Boolean(value);
case "N":
return convertNumber(value, options);
case "B":
return convertBinary(value);
case "S":
return convertString(value);
case "L":
return convertList(value, options);
case "M":
return convertMap(value, options);
case "NS":
return new Set(value.map((item) => convertNumber(item, options)));
case "BS":
return new Set(value.map(convertBinary));
case "SS":
return new Set(value.map(convertString));
default:
throw new Error(`Unsupported type passed: ${key}`);
}
}
}
throw new Error(`No value defined: ${JSON.stringify(data)}`);
};
const convertNumber = (numString, options) => {
if (typeof options?.wrapNumbers === "function") {
return options?.wrapNumbers(numString);
}
if (options?.wrapNumbers) {
return NumberValue.from(numString);
}
const num = Number(numString);
const infinityValues = [Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY];
const isLargeFiniteNumber = (num > Number.MAX_SAFE_INTEGER || num < Number.MIN_SAFE_INTEGER) && !infinityValues.includes(num);
if (isLargeFiniteNumber) {
if (typeof BigInt === "function") {
try {
return BigInt(numString);
}
catch (error) {
throw new Error(`${numString} can't be converted to BigInt. Set options.wrapNumbers to get string value.`);
}
}
else {
throw new Error(`${numString} is outside SAFE_INTEGER bounds. Set options.wrapNumbers to get string value.`);
}
}
return num;
};
const convertString = (stringValue) => stringValue;
const convertBinary = (binaryValue) => binaryValue;
const convertList = (list, options) => list.map((item) => convertToNative(item, options));
const convertMap = (map, options) => Object.entries(map).reduce((acc, [key, value]) => ((acc[key] = convertToNative(value, options)), acc), {});