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joplin/CliClient/app/help-utils.js

107 lines
2.9 KiB
JavaScript

const fs = require('fs-extra');
const { wrap } = require('lib/string-utils.js');
const Setting = require('lib/models/Setting.js');
const { fileExtension, basename, dirname } = require('lib/path-utils.js');
const { _, setLocale, languageCode } = require('lib/locale.js');
const rootDir = dirname(dirname(__dirname));
const MAX_WIDTH = 78;
const INDENT = ' ';
function renderTwoColumnData(options, baseIndent, width) {
let output = [];
const optionColWidth = getOptionColWidth(options);
for (let i = 0; i < options.length; i++) {
let option = options[i];
const flag = option[0];
const indent = baseIndent + INDENT + ' '.repeat(optionColWidth + 2);
let r = wrap(option[1], indent, width);
r = r.substr(flag.length + (baseIndent + INDENT).length);
r = baseIndent + INDENT + flag + r;
output.push(r);
}
return output.join("\n");
}
function renderCommandHelp(cmd, width = null) {
if (width === null) width = MAX_WIDTH;
const baseIndent = '';
let output = [];
output.push(baseIndent + cmd.usage());
output.push('');
output.push(wrap(cmd.description(), baseIndent + INDENT, width));
const optionString = renderTwoColumnData(cmd.options(), baseIndent, width);
if (optionString) {
output.push('');
output.push(optionString);
}
if (cmd.name() === 'config') {
const renderMetadata = (md) => {
let desc = [];
if (md.label) {
let label = md.label();
if (label.length && label[label.length - 1] !== '.') label += '.';
desc.push(label);
}
const description = Setting.keyDescription(md.key, 'cli');
if (description) desc.push(description);
desc.push(_('Type: %s.', md.isEnum ? _('Enum') : Setting.typeToString(md.type)));
if (md.isEnum) desc.push(_('Possible values: %s.', Setting.enumOptionsDoc(md.key, '%s (%s)')));
let defaultString = null;
if ('value' in md) {
if (md.type === Setting.TYPE_STRING) {
defaultString = md.value ? '"' + md.value + '"' : null;
} else if (md.type === Setting.TYPE_INT) {
defaultString = (md.value ? md.value : 0).toString();
} else if (md.type === Setting.TYPE_BOOL) {
defaultString = (md.value === true ? 'true' : 'false');
}
}
if (defaultString !== null) desc.push(_('Default: %s', defaultString));
return [md.key, desc.join("\n")];
};
output.push('');
output.push(_('Possible keys/values:'));
output.push('');
let keysValues = [];
const keys = Setting.keys(true, 'cli');
for (let i = 0; i < keys.length; i++) {
if (keysValues.length) keysValues.push(['','']);
const md = Setting.settingMetadata(keys[i]);
if (!md.label) continue;
keysValues.push(renderMetadata(md));
}
output.push(renderTwoColumnData(keysValues, baseIndent, width));
}
return output.join("\n");
}
function getOptionColWidth(options) {
let output = 0;
for (let j = 0; j < options.length; j++) {
const option = options[j];
if (option[0].length > output) output = option[0].length;
}
return output;
}
module.exports = { renderCommandHelp };