@metamask/logger
Version:
A lightweight logging package using @metamask/streams
56 lines • 1.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergeOptions = exports.unique = exports.parseOptions = exports.DEFAULT_OPTIONS = void 0;
const transports_ts_1 = require("./transports.cjs");
/**
* The default options for the logger.
*/
exports.DEFAULT_OPTIONS = {
transports: [],
level: 'info',
tags: [],
};
/**
* Parses the options for the logger.
*
* @param options - The options for the logger.
* @returns The parsed options.
*/
const parseOptions = (options) => {
// The default case catches whatever is not explicitly handled below.
// eslint-disable-next-line @typescript-eslint/switch-exhaustiveness-check
switch (typeof options) {
case 'object':
return options;
case 'string':
return { tags: [options], transports: [transports_ts_1.consoleTransport] };
case 'undefined':
return { transports: [transports_ts_1.consoleTransport] };
default:
throw new Error('Invalid logger options');
}
};
exports.parseOptions = parseOptions;
/**
* Returns a copy of an array containing only its unique values.
*
* @param array - The array to filter.
* @returns The array, without duplicate values.
*/
const unique = (array) => {
return array.filter((element, index, self) => self.indexOf(element) === index);
};
exports.unique = unique;
/**
* Merges multiple logger options into a single options object.
*
* @param options - The options to merge.
* @returns The merged options.
*/
const mergeOptions = (...options) => options.reduce((acc, option) => ({
transports: (0, exports.unique)([...acc.transports, ...(option.transports ?? [])]),
level: option.level ?? acc.level,
tags: (0, exports.unique)([...acc.tags, ...(option.tags ?? [])]),
}), exports.DEFAULT_OPTIONS);
exports.mergeOptions = mergeOptions;
//# sourceMappingURL=options.cjs.map