core-native/lib/util/json.js

A lightweight framework based on React Native + Redux + Redux Saga, in strict TypeScript.

/**
 * Data whose key matches any of the @maskedKeywords RegExp, will be serialized as mask.
 * Useful to serialize sensitive data, e.g. password.
 * Function & Symbol are also discarded in the serialization.
 */
export function stringifyWithMask(maskedKeywords, maskedOutput, ...args) {
    const replacer = (key, value) => {
        if (typeof value === "function" || typeof value === "symbol") {
            return undefined;
        }
        if (maskedKeywords.some(_ => _.test(key))) {
            return maskedOutput;
        }
        return value;
    };
    const serializableArgs = args.filter(_ => typeof _ !== "function" && typeof _ !== "symbol");
    switch (serializableArgs.length) {
        case 0:
            return undefined;
        case 1:
            return JSON.stringify(serializableArgs[0], replacer);
        default:
            return JSON.stringify(serializableArgs, replacer);
    }
}
/**
 * If an ISO format date (2018-05-24T12:00:00.123Z) appears in the JSON, it will be transformed to JS Date type.
 */
export function parseWithDate(data) {
    const ISO_DATE_FORMAT = /^\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d(\.\d+)?(Z|[+-][01]\d:[0-5]\d)$/;
    return JSON.parse(data, (key, value) => {
        if (typeof value === "string" && ISO_DATE_FORMAT.test(value)) {
            return new Date(value);
        }
        return value;
    });
}
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