cli: remove old logging utils

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/cli/src/lib/logging.ts

@@ -1,58 +0,0 @@
-/*
- * Copyright 2020 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-export type LogFunc = (data: Buffer) => void;
-export type LogPipe = (dst: NodeJS.WriteStream) => LogFunc;
-
-export type LogOptions = {
-  // If set, prefix each log message with this string
-  prefix?: string;
-
-  // If true, clear terminal commands will be forwarded, otherwise they are removed
-  forwardClearTerm?: boolean;
-};
-
-// Creates a log pipe that binds to a destination stream and forwards logs with optional transforms.
-// Use returned logPipe e.g. as follows: child.stdout.on('data', logPipe(process.stdout))
-export function createLogPipe(options: LogOptions = {}): LogPipe {
-  const { prefix = '', forwardClearTerm = false } = options;
-
-  return (dst: NodeJS.WriteStream) => (data: Buffer | string) => {
-    let str = typeof data === 'string' ? data : data.toString('utf8');
-
-    if (!forwardClearTerm) {
-      str = trimClearTerm(str);
-    }
-    if (prefix) {
-      str = `${prefix}${str}`;
-    }
-
-    dst.write(Buffer.from(str, 'utf8'));
-  };
-}
-
-// Wrapper around createLogPipe to avoid awkward immediate call of returned function
-export function createLogFunc(
-  dst: NodeJS.WriteStream,
-  options: LogOptions = {},
-): LogFunc {
-  return createLogPipe(options)(dst);
-}
-
-// Returns the string without terminal clear command if it was prefixed with one.
-export function trimClearTerm(msg: string): string {
-  return msg.startsWith('\x1b\x63') ? msg.slice(2) : msg;
-}

packages/cli/src/lib/run.ts

@@ -22,11 +22,12 @@ import {
 } from 'child_process';
 import { ExitCodeError } from './errors';
 import { promisify } from 'util';
-import { LogFunc } from './logging';
 import { assertError, ForwardedError } from '@backstage/errors';
 
 export const execFile = promisify(execFileCb);
 
+type LogFunc = (data: Buffer) => void;
+
 type SpawnOptionsPartialEnv = Omit<SpawnOptions, 'env'> & {
   env?: Partial<NodeJS.ProcessEnv>;
   // Pipe stdout to this log function