balena-cli/automation/capitanodoc/markdown.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

129 lines
3.5 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 { flagUsages } from '@oclif/parser';
import * as ent from 'ent';
import * as _ from 'lodash';
import { getManualSortCompareFunction } from '../../lib/utils/helpers';
import { capitanoizeOclifUsage } from '../../lib/utils/oclif-utils';
import { Category, Document, OclifCommand } from './doc-types';
function renderOclifCommand(command: OclifCommand): string[] {
const result = [`## ${ent.encode(command.usage || '')}`];
const description = (command.description || '')
.split('\n')
.slice(1) // remove the first line, which oclif uses as help header
.join('\n')
.trim();
result.push(description);
if (!_.isEmpty(command.examples)) {
result.push('Examples:', command.examples!.map((v) => `\t${v}`).join('\n'));
}
if (!_.isEmpty(command.args)) {
result.push('### Arguments');
for (const arg of command.args!) {
result.push(`#### ${arg.name.toUpperCase()}`, arg.description || '');
}
}
if (!_.isEmpty(command.flags)) {
result.push('### Options');
for (const [name, flag] of Object.entries(command.flags!)) {
if (name === 'help') {
continue;
}
flag.name = name;
const flagUsage = flagUsages([flag])
.map(([usage, _description]) => usage)
.join()
.trim();
result.push(`#### ${flagUsage}`);
result.push(flag.description || '');
}
}
return result;
}
function renderCategory(category: Category): string[] {
const result = [`# ${category.title}`];
for (const command of category.commands) {
result.push(...renderOclifCommand(command));
}
return result;
}
function getAnchor(cmdSignature: string): string {
return `#${_.trim(cmdSignature.replace(/\W+/g, '-'), '-').toLowerCase()}`;
}
function renderToc(categories: Category[]): string[] {
const result = [`# CLI Command Reference`];
for (const category of categories) {
result.push(`- ${category.title}`);
result.push(
category.commands
.map((command) => {
const signature = capitanoizeOclifUsage(command.usage);
return `\t- [${ent.encode(signature)}](${getAnchor(signature)})`;
})
.join('\n'),
);
}
return result;
}
const manualCategorySorting: { [category: string]: string[] } = {
'Environment Variables': ['envs', 'env rm', 'env add', 'env rename'],
OS: [
'os versions',
'os download',
'os build config',
'os configure',
'os initialize',
],
};
function sortCommands(doc: Document): void {
for (const category of doc.categories) {
if (category.title in manualCategorySorting) {
category.commands = category.commands.sort(
getManualSortCompareFunction<OclifCommand, string>(
manualCategorySorting[category.title],
(cmd: OclifCommand, x: string) =>
(cmd.usage || '').toString().replace(/\W+/g, ' ').includes(x),
),
);
}
}
}
export function render(doc: Document) {
sortCommands(doc);
const result = [
`# ${doc.title}`,
doc.introduction,
...renderToc(doc.categories),
];
for (const category of doc.categories) {
result.push(...renderCategory(category));
}
return result.join('\n\n');
}