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cb5ee01c6a
* Increase prettier line width to 100 * Fix packages JS prettier * Change style guide to 100 width * Fix line-width in latest master changes
65 lines
1.9 KiB
TypeScript
65 lines
1.9 KiB
TypeScript
/*
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* Licensed to Elasticsearch B.V. under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch B.V. licenses this file to you under
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* the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import chalk from 'chalk';
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import execa from 'execa';
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import logSymbols from 'log-symbols';
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import logTransformer from 'strong-log-transformer';
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function generateColors() {
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const colorWheel = [chalk.cyan, chalk.magenta, chalk.blue, chalk.yellow, chalk.green, chalk.red];
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const count = colorWheel.length;
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let children = 0;
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return () => colorWheel[children++ % count];
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}
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export function spawn(command: string, args: string[], opts: execa.Options) {
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return execa(command, args, {
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...opts,
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stdio: 'inherit',
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});
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}
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const nextColor = generateColors();
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export function spawnStreaming(
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command: string,
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args: string[],
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opts: execa.Options,
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{ prefix }: { prefix: string }
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) {
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const spawned = execa(command, args, {
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...opts,
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stdio: ['ignore', 'pipe', 'pipe'],
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});
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const color = nextColor();
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const prefixedStdout = logTransformer({ tag: `${color.bold(prefix)}:` });
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const prefixedStderr = logTransformer({
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mergeMultiline: true,
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tag: `${logSymbols.error} ${color.bold(prefix)}:`,
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});
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spawned.stdout.pipe(prefixedStdout).pipe(process.stdout);
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spawned.stderr.pipe(prefixedStderr).pipe(process.stderr);
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return spawned;
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}
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