@oclif/plugin-which/lib/commands/which.js

find which plugin a command is in

import { Command, ux } from '@oclif/core';
export default class Which extends Command {
    static description = 'Show which plugin a command is in.';
    static examples = [
        {
            command: '<%= config.bin %> <%= command.id %> help',
            description: 'See which plugin the `help` command is in:',
        },
    ];
    static strict = false;
    async run() {
        const { argv } = await this.parse(Which);
        if (argv.length === 0) {
            throw new Error('"which" expects a command name.  Try something like "which your:command:here" ');
        }
        let command = argv;
        if (argv.length === 1 && typeof argv[0] === 'string') {
            // If this if statement is true then the command to find was passed in as a single string, e.g. `mycli which "my command"`
            // So we must use the topicSeparator to split it into an array
            command = argv[0].split(this.config.topicSeparator);
        }
        const cmd = this.config.findCommand(command.join(':'), { must: true });
        ux.styledHeader(command.join(this.config.topicSeparator));
        ux.styledObject({
            plugin: cmd.pluginName,
        }, ['plugin']);
    }
}