vnopts
Version:
validate and normalize options
48 lines (47 loc) • 2.02 kB
JavaScript
import picocolors from 'picocolors';
import { VALUE_NOT_EXIST } from '../../constants.js';
const INDENTATION = ' '.repeat(2);
export const commonInvalidHandler = (key, value, utils) => {
const { text, list } = utils.normalizeExpectedResult(utils.schemas[key].expected(utils));
const descriptions = [];
if (text) {
descriptions.push(getDescription(key, value, text, utils.descriptor));
}
if (list) {
descriptions.push([getDescription(key, value, list.title, utils.descriptor)]
.concat(list.values.map(valueDescription => getListDescription(valueDescription, utils.loggerPrintWidth)))
.join('\n'));
}
return chooseDescription(descriptions, utils.loggerPrintWidth);
};
function getDescription(key, value, expected, descriptor) {
return [
`Invalid ${picocolors.red(descriptor.key(key))} value.`,
`Expected ${picocolors.blue(expected)},`,
`but received ${value === VALUE_NOT_EXIST
? picocolors.gray('nothing')
: picocolors.red(descriptor.value(value))}.`,
].join(' ');
}
function getListDescription({ text, list }, printWidth) {
const descriptions = [];
if (text) {
descriptions.push(`- ${picocolors.blue(text)}`);
}
if (list) {
descriptions.push([`- ${picocolors.blue(list.title)}:`]
.concat(list.values.map(valueDescription => getListDescription(valueDescription, printWidth - INDENTATION.length).replace(/^|\n/g, `$&${INDENTATION}`)))
.join('\n'));
}
return chooseDescription(descriptions, printWidth);
}
function chooseDescription(descriptions, printWidth) {
if (descriptions.length === 1) {
return descriptions[0];
}
const [firstDescription, secondDescription] = descriptions;
const [firstWidth, secondWidth] = descriptions.map(description => description.split('\n', 1)[0].length);
return firstWidth > printWidth && firstWidth > secondWidth
? secondDescription
: firstDescription;
}