@settlemint/sdk-utils/dist/json.js

Shared utilities and helper functions for SettleMint SDK modules

//#region src/json.ts
/**
* Attempts to parse a JSON string into a typed value, returning a default value if parsing fails.
*
* @param value - The JSON string to parse
* @param defaultValue - The value to return if parsing fails or results in null/undefined
* @returns The parsed JSON value as type T, or the default value if parsing fails
*
* @example
* import { tryParseJson } from "@settlemint/sdk-utils";
*
* const config = tryParseJson<{ port: number }>(
*   '{"port": 3000}',
*   { port: 8080 }
* );
* // Returns: { port: 3000 }
*
* const invalid = tryParseJson<string[]>(
*   'invalid json',
*   []
* );
* // Returns: []
*/
function tryParseJson(value, defaultValue = null) {
	try {
		const parsed = JSON.parse(value);
		if (parsed === undefined || parsed === null) {
			return defaultValue;
		}
		return parsed;
	} catch (_err) {
		return defaultValue;
	}
}
/**
* Extracts a JSON object from a string.
*
* @param value - The string to extract the JSON object from
* @returns The parsed JSON object, or null if no JSON object is found
* @throws {Error} If the input string is too long (longer than 5000 characters)
* @example
* import { extractJsonObject } from "@settlemint/sdk-utils";
*
* const json = extractJsonObject<{ port: number }>(
*   'port info: {"port": 3000}',
* );
* // Returns: { port: 3000 }
*/
function extractJsonObject(value) {
	if (value.length > 5e3) {
		throw new Error("Input too long");
	}
	const result = /\{([\s\S]*)\}/.exec(value);
	if (!result) {
		return null;
	}
	return tryParseJson(result[0]);
}
/**
* Converts a value to a JSON stringifiable format.
*
* @param value - The value to convert
* @returns The JSON stringifiable value
*
* @example
* import { makeJsonStringifiable } from "@settlemint/sdk-utils";
*
* const json = makeJsonStringifiable<{ amount: bigint }>({ amount: BigInt(1000) });
* // Returns: '{"amount":"1000"}'
*/
function makeJsonStringifiable(value) {
	if (value === undefined || value === null) {
		return value;
	}
	return tryParseJson(JSON.stringify(value, (_, value$1) => typeof value$1 === "bigint" ? value$1.toString() : value$1));
}

//#endregion
export { extractJsonObject, makeJsonStringifiable, tryParseJson };
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