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| /**
| * common.js: Internal helper and utility functions for winston.
| *
| * (C) 2010 Charlie Robbins
| * MIT LICENCE
| */
|
| 'use strict';
|
| const { format } = require('util');
|
| /**
| * Set of simple deprecation notices and a way to expose them for a set of
| * properties.
| * @type {Object}
| * @private
| */
| exports.warn = {
| deprecated(prop) {
| return () => {
| throw new Error(format('{ %s } was removed in winston@3.0.0.', prop));
| };
| },
| useFormat(prop) {
| return () => {
| throw new Error([
| format('{ %s } was removed in winston@3.0.0.', prop),
| 'Use a custom winston.format = winston.format(function) instead.'
| ].join('\n'));
| };
| },
| forFunctions(obj, type, props) {
| props.forEach(prop => {
| obj[prop] = exports.warn[type](prop);
| });
| },
| forProperties(obj, type, props) {
| props.forEach(prop => {
| const notice = exports.warn[type](prop);
| Object.defineProperty(obj, prop, {
| get: notice,
| set: notice
| });
| });
| }
| };
|
|
