balena-cli/automation/capitanodoc/index.ts
Scott Lowe d56fec6e36 Convert help to oclif, remove capitano
Change-type: patch
Signed-off-by: Scott Lowe <scott@balena.io>
2020-09-07 14:13:32 +02:00

109 lines
2.8 KiB
TypeScript

/**
* @license
* Copyright 2019 Balena Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as path from 'path';
import { getCapitanoDoc } from './capitanodoc';
import { Category, Document, OclifCommand } from './doc-types';
import * as markdown from './markdown';
import { stripIndent } from '../../lib/utils/lazy';
/**
* Generates the markdown document (as a string) for the CLI documentation
* page on the web: https://www.balena.io/docs/reference/cli/
*/
export async function renderMarkdown(): Promise<string> {
const capitanodoc = await getCapitanoDoc();
const result: Document = {
title: capitanodoc.title,
introduction: capitanodoc.introduction,
categories: [],
};
for (const commandCategory of capitanodoc.categories) {
const category: Category = {
title: commandCategory.title,
commands: [],
};
for (const jsFilename of commandCategory.files) {
category.commands.push(...importOclifCommands(jsFilename));
}
result.categories.push(category);
}
return markdown.render(result);
}
// Help is now managed via a plugin
// This fake command allows capitanodoc to include help in docs
class FakeHelpCommand {
description = stripIndent`
List balena commands, or get detailed help for an specific command.
List balena commands, or get detailed help for an specific command.
`;
examples = [
'$ balena help',
'$ balena help apps',
'$ balena help os download',
];
args = [
{
name: 'command',
description: 'command to show help for',
},
];
usage = 'help [command]';
flags = {
verbose: {
description: 'show additional commands',
char: '-v',
},
};
}
function importOclifCommands(jsFilename: string): OclifCommand[] {
// TODO: Currently oclif commands with no `usage` overridden will cause
// an error when parsed. This should be improved so that `usage` does not have
// to be overridden if not necessary.
const command: OclifCommand =
jsFilename === 'help'
? ((new FakeHelpCommand() as unknown) as OclifCommand)
: (require(path.join(process.cwd(), jsFilename)).default as OclifCommand);
return [command];
}
/**
* Print the CLI docs markdown to stdout.
* See package.json for how the output is redirected to a file.
*/
async function printMarkdown() {
try {
console.log(await renderMarkdown());
} catch (error) {
console.error(error);
process.exit(1);
}
}
printMarkdown();