4584a8b570
* Updating everything except the license headers themselves * Applying ESLint rules * Manually replacing the stragglers
35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License
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* 2.0; you may not use this file except in compliance with the Elastic License
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* 2.0.
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*/
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import { ToolingLog } from '@kbn/dev-utils';
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/**
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* Wraps the specified object instance with debug log statements of all method calls.
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*
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* @param prefix - The string to prefix to all log messages
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* @param log - The logger to use
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* @param instance - The object being wrapped
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*/
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export function logWrapper<T extends Record<string, Function>>(
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prefix: string,
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log: ToolingLog,
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instance: T
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): T {
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return Object.keys(instance).reduce((acc, prop) => {
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const baseFn = acc[prop];
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(acc as Record<string, Function>)[prop] = (...args: unknown[]) => {
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logMethodCall(log, prefix, prop, args);
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return baseFn.apply(instance, args);
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};
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return acc;
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}, instance);
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}
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function logMethodCall(log: ToolingLog, prefix: string, prop: string, args: unknown[]) {
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const argsStr = args.map((arg) => (typeof arg === 'string' ? `'${arg}'` : arg)).join(', ');
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log.debug(`${prefix}.${prop}(${argsStr})`);
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}
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