shell bypass 403
'use strict';
const browserslist = require('browserslist');
const { compare, has } = require('./helpers');
const external = require('./external');
const aliases = new Map([
['and_chr', 'chrome'],
['and_ff', 'firefox'],
['ie_mob', 'ie'],
['ios_saf', 'ios'],
['op_mob', 'opera_mobile'],
]);
const validTargets = new Set([
'android',
'chrome',
'deno',
'edge',
'electron',
'firefox',
'ie',
'ios',
'node',
'opera',
'opera_mobile',
'phantom',
'rhino',
'safari',
'samsung',
]);
module.exports = function (targets) {
if (typeof targets != 'object' || Array.isArray(targets)) {
targets = { browsers: targets };
}
const { browsers, esmodules, node, ...rest } = targets;
const list = Object.entries(rest);
if (browsers) {
if (typeof browsers == 'string' || Array.isArray(browsers)) {
list.push(...browserslist(browsers).map(it => it.split(' ')));
} else {
list.push(...Object.entries(browsers));
}
}
if (esmodules) {
list.push(...Object.entries(external.modules));
}
if (node) {
list.push(['node', node === 'current' ? process.versions.node : node]);
}
const normalized = list.map(([engine, version]) => {
if (has(browserslist.aliases, engine)) {
engine = browserslist.aliases[engine];
}
if (aliases.has(engine)) {
engine = aliases.get(engine);
}
return [engine, String(version)];
}).filter(([engine]) => {
return validTargets.has(engine);
}).sort(([a], [b]) => {
return a < b ? -1 : a > b ? 1 : 0;
});
const reducedByMinVersion = new Map();
for (const [engine, version] of normalized) {
if (!reducedByMinVersion.has(engine) || compare(version, '<=', reducedByMinVersion.get(engine))) {
reducedByMinVersion.set(engine, version);
}
}
return reducedByMinVersion;
};