"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.mapToObject = mapToObject;
exports.isValidKey = isValidKey;
exports.asArray = asArray;
exports.deepAssign = deepAssign;
exports.objectToArgs = objectToArgs;
function mapToObject(map) {
const obj = {};
for (const [key, value] of map) {
if (!isValidKey(key)) {
continue;
}
if (value instanceof Map) {
obj[key] = mapToObject(value);
}
else {
obj[key] = value;
}
}
return obj;
}
function isValidKey(key) {
const protectedProperties = ["__proto__", "prototype", "constructor"];
if (protectedProperties.includes(key)) {
return false;
}
return ["string", "number", "symbol", "boolean"].includes(typeof key) || key === null;
}
function asArray(v) {
if (v == null) {
return [];
}
else if (Array.isArray(v)) {
return v;
}
else {
return [v];
}
}
function isObject(x) {
if (Array.isArray(x)) {
return false;
}
const type = typeof x;
return type === "object" || type === "function";
}
function assignKey(target, from, key) {
const value = from[key];
// https://github.com/electron-userland/electron-builder/pull/562
if (value === undefined) {
return;
}
const prevValue = target[key];
if (prevValue == null || value == null || !isObject(prevValue) || !isObject(value)) {
// Merge arrays.
if (Array.isArray(prevValue) && Array.isArray(value)) {
target[key] = Array.from(new Set(prevValue.concat(value)));
}
else {
target[key] = value;
}
}
else {
target[key] = assign(prevValue, value);
}
}
function assign(to, from) {
if (to !== from) {
for (const key of Object.getOwnPropertyNames(from)) {
if (isValidKey(key)) {
assignKey(to, from, key);
}
}
}
return to;
}
function deepAssign(target, ...objects) {
for (const o of objects) {
if (o != null) {
assign(target, o);
}
}
return target;
}
// Flag names must be letters/digits/hyphens only (e.g. "maintainer", "deb-priority").
// Anything else could inject extra flags into the argument array.
const SAFE_FLAG_NAME_RE = /^[a-zA-Z][a-zA-Z0-9-]*$/;
// Null bytes truncate arguments at the C layer; newlines can split arguments in some parsers.
const UNSAFE_VALUE_RE = /[\0\r\n]/;
function objectToArgs(obj) {
const args = Object.entries(obj).reduce((args, [name, value]) => {
if (!isValidKey(name) || value == null) {
return args;
}
if (!SAFE_FLAG_NAME_RE.test(name)) {
throw new Error(`objectToArgs: unsafe flag name rejected: ${JSON.stringify(name)}`);
}
if (UNSAFE_VALUE_RE.test(value)) {
throw new Error(`objectToArgs: value for --${name} contains a null byte or newline`);
}
return args.concat([`--${name}`, value]);
}, []);
return Object.freeze(args);
}
//# sourceMappingURL=objects.js.map