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'use strict';
const match = (array, value) =>
array.some(x => (x instanceof RegExp ? x.test(value) : x === value));
const dargs = (input, options) => {
const args = [];
let extraArgs = [];
let separatedArgs = [];
options = Object.assign({
useEquals: true
}, options);
const makeArg = (key, value) => {
key =
'--' +
(options.allowCamelCase ?
key :
key.replace(/[A-Z]/g, '-$&').toLowerCase());
if (options.useEquals) {
args.push(key + (value ? `=${value}` : ''));
} else {
args.push(key);
if (value) {
args.push(value);
}
}
};
const makeAliasArg = (key, value) => {
args.push(`-${key}`);
if (value) {
args.push(value);
}
};
// TODO: Use Object.entries() when targeting Node.js 8
for (let key of Object.keys(input)) {
const value = input[key];
let pushArg = makeArg;
if (Array.isArray(options.excludes) && match(options.excludes, key)) {
continue;
}
if (Array.isArray(options.includes) && !match(options.includes, key)) {
continue;
}
if (typeof options.aliases === 'object' && options.aliases[key]) {
key = options.aliases[key];
pushArg = makeAliasArg;
}
if (key === '--') {
if (!Array.isArray(value)) {
throw new TypeError(
`Expected key \`--\` to be Array, got ${typeof value}`
);
}
separatedArgs = value;
continue;
}
if (key === '_') {
if (!Array.isArray(value)) {
throw new TypeError(
`Expected key \`_\` to be Array, got ${typeof value}`
);
}
extraArgs = value;
continue;
}
if (value === true) {
pushArg(key, '');
}
if (value === false && !options.ignoreFalse) {
pushArg(`no-${key}`);
}
if (typeof value === 'string') {
pushArg(key, value);
}
if (typeof value === 'number' && !Number.isNaN(value)) {
pushArg(key, String(value));
}
if (Array.isArray(value)) {
for (const arrayValue of value) {
pushArg(key, arrayValue);
}
}
}
for (const x of extraArgs) {
args.push(String(x));
}
if (separatedArgs.length > 0) {
args.push('--');
}
for (const x of separatedArgs) {
args.push(String(x));
}
return args;
};
module.exports = dargs;