import { bold } from '../lib/picocolors';
// Copy-pasted from Commander's Help class -> formatHelp().
// TL;DR, we're overriding the built-in help to add a few niceties.
// Link: https://github.com/tj/commander.js/blob/master/lib/help.js
const formatCliHelpOutput = (cmd, helper)=>{
    const termWidth = helper.padWidth(cmd, helper);
    const helpWidth = helper.helpWidth || 80;
    const itemIndentWidth = 2;
    const itemSeparatorWidth = 2 // between term and description
    ;
    function formatItem(term, description) {
        let value = term;
        if (description) {
            if (term === 'directory') {
                value = `[${term}]`;
            }
            const fullText = `${value.padEnd(termWidth + itemSeparatorWidth)}${description}`;
            return helper.wrap(fullText, helpWidth - itemIndentWidth, termWidth + itemSeparatorWidth);
        }
        return term;
    }
    function formatList(textArray) {
        return textArray.join('\n').replace(/^/gm, ' '.repeat(itemIndentWidth));
    }
    // Usage
    let output = [
        `${bold('Usage:')} ${helper.commandUsage(cmd)}`,
        ''
    ];
    // Description
    const commandDescription = helper.commandDescription(cmd);
    if (commandDescription.length > 0) {
        output = output.concat([
            helper.wrap(commandDescription, helpWidth, 0),
            ''
        ]);
    }
    // Arguments
    const argumentList = helper.visibleArguments(cmd).map((argument)=>{
        return formatItem(helper.argumentTerm(argument), helper.argumentDescription(argument));
    });
    if (argumentList.length > 0) {
        output = output.concat([
            `${bold('Arguments:')}`,
            formatList(argumentList),
            ''
        ]);
    }
    // Options
    const optionList = helper.visibleOptions(cmd).map((option)=>{
        return formatItem(helper.optionTerm(option), helper.optionDescription(option));
    });
    if (optionList.length > 0) {
        output = output.concat([
            `${bold('Options:')}`,
            formatList(optionList),
            ''
        ]);
    }
    // Commands
    const commandList = helper.visibleCommands(cmd).map((subCmd)=>{
        return formatItem(helper.subcommandTerm(subCmd), helper.subcommandDescription(subCmd));
    });
    if (commandList.length > 0) {
        output = output.concat([
            `${bold('Commands:')}`,
            formatList(commandList),
            ''
        ]);
    }
    return output.join('\n');
};
export { formatCliHelpOutput };

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