Sha256: 38d9237a7b437c3fb76eef9a98d2de3d83a2c9a8ea068f65c7cf4da5adf13214
Contents?: true
Size: 1.82 KB
Versions: 23
Compression:
Stored size: 1.82 KB
Contents
'use strict';
const isPlainObject = require('is-plain-obj');
const arrify = require('arrify');
const push = (obj, prop, value) => {
if (!obj[prop]) {
obj[prop] = [];
}
obj[prop].push(value);
};
const insert = (obj, prop, key, value) => {
if (!obj[prop]) {
obj[prop] = {};
}
obj[prop][key] = value;
};
const passthroughOptions = ['stopEarly', 'unknown', '--'];
const availableTypes = ['string', 'boolean', 'number', 'array'];
const buildOptions = options => {
options = options || {};
const result = {};
passthroughOptions.forEach(key => {
if (options[key]) {
result[key] = options[key];
}
});
Object.keys(options).forEach(key => {
let value = options[key];
if (key === 'arguments') {
key = '_';
}
// If short form is used
// convert it to long form
// e.g. { 'name': 'string' }
if (typeof value === 'string') {
value = {type: value};
}
if (isPlainObject(value)) {
const props = value;
const {type} = props;
if (type) {
if (!availableTypes.includes(type)) {
throw new TypeError(`Expected "${key}" to be one of ["string", "boolean", "number", "array"], got ${type}`);
}
push(result, type, key);
}
const aliases = arrify(props.alias);
aliases.forEach(alias => {
insert(result, 'alias', alias, key);
});
if ({}.hasOwnProperty.call(props, 'default')) {
if (type === 'array' && !Array.isArray(props.default)) {
throw new TypeError(`Expected "${key}" default value to be array, got ${typeof props.default}`);
}
if (type && type !== 'array' && typeof props.default !== type) {
throw new TypeError(`Expected "${key}" default value to be ${type}, got ${typeof props.default}`);
}
insert(result, 'default', key, props.default);
}
}
});
return result;
};
module.exports = buildOptions;
module.exports.default = buildOptions;
Version data entries
23 entries across 23 versions & 1 rubygems