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47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
/**
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* @license
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* Copyright 2019-2020 Balena Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import type { Hook } from '@oclif/config';
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let trackResolve: (result: Promise<any>) => void;
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// note: trackPromise is subject to a Bluebird.timeout, defined in events.ts
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export const trackPromise = new Promise((resolve) => {
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trackResolve = resolve;
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});
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/**
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* This is an oclif 'prerun' hook. This hook runs after the command line is
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* parsed by oclif, but before the command's run() function is called.
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* See: https://oclif.io/docs/hooks
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*
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* This hook is used to track CLI command signatures (usage analytics).
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* A command signature is something like "env add NAME [VALUE]". That's
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* literally so: 'NAME' and 'VALUE' are NOT replaced with actual values.
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*/
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const hook: Hook<'prerun'> = async function (options) {
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const events = await import('../../events');
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const usage: string | string[] | undefined = options.Command.usage;
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const cmdSignature =
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usage == null ? '*' : typeof usage === 'string' ? usage : usage.join(' ');
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// Intentionally do not await for the track promise here, in order to
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// run the command tracking and the command itself in parallel.
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trackResolve(events.trackCommand(cmdSignature));
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};
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export default hook;
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