mirror of
https://github.com/balena-io/balena-cli.git
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84 lines
2.4 KiB
TypeScript
84 lines
2.4 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 { Hook } from '@oclif/config';
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import type { IConfig } from '@oclif/config';
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/*
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A modified version of the command-not-found plugin logic,
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which deals with spaces separators stead of colons, and
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prints suggested commands instead of prompting interactively.
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Also see help.ts showHelp() for handling of topics.
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*/
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const hook: Hook<'command-not-found'> = async function (
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opts: object & { config: IConfig; id?: string; argv?: string[] },
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) {
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const Levenshtein = await import('fast-levenshtein');
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const _ = await import('lodash');
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const { color } = await import('@oclif/color');
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const commandId = opts.id || '';
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const command = opts.id?.replace(':', ' ') || '';
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const commandIDs = [
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...opts.config.commandIDs,
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..._.flatten(opts.config.commands.map((c) => c.aliases)),
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'version',
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];
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function closest(cmd: string) {
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return _.minBy(commandIDs, (c) => Levenshtein.get(cmd, c))!;
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}
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const suggestions: string[] = [];
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suggestions.push(closest(commandId).replace(':', ' ') || '');
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// opts.argv contains everything after the first command word
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// if there's something there, also test if it might be a double
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// word command spelt wrongly, rather than command args.
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if (opts.argv?.[0]) {
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suggestions.unshift(
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closest(`${commandId}: + ${opts.argv[0]}`).replace(':', ' ') || '',
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);
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}
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// Output suggestions
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console.error(
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`${color.yellow(command)} is not a recognized balena command.\n`,
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);
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console.error(`Did you mean: ? `);
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suggestions.forEach((s) => {
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console.error(` ${color.cmd(s)}`);
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});
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console.error(
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`\nRun ${color.cmd('balena help -v')} for a list of available commands,`,
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);
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console.error(
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` or ${color.cmd(
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'balena help <command>',
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)} for detailed help on a specific command.`,
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);
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// Exit
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const COMMAND_NOT_FOUND = 127;
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process.exit(COMMAND_NOT_FOUND);
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};
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export default hook;
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