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if (Array.isArray(process.argv) ? process.argv.includes('build') : false)
{
const compat = require('core-js-compat');
const fs = require('fs');
const path = require('path');
const getBrowserslist = (currentDir = __dirname) => {
const filePath = path.resolve(currentDir, '.browserslistrc');
if (fs.existsSync(filePath))
{
const content = fs.readFileSync(filePath, 'utf-8');
if (typeof content === 'string')
{
return content.split('\n').map((rule) => {
return rule.trim();
});
}
}
else if (filePath !== path.sep)
{
return getBrowserslist(path.dirname(currentDir));
}
return [
'last 3 versions',
'not IE <= 11',
'not dead',
]
};
// Gets required modules by 'browserslist' query
// https://browserslist.dev/?q=bGFzdCA0IHZlcnNpb25zLCBub3QgSUUgPD0gMTEsIG5vdCBkZWFk
const result = compat({
targets: getBrowserslist(),
filter: /^(es|web)\./,
version: '3.19',
});
const blacklist = [
'es.symbol.description',
'es.symbol.match-all',
'es.array.unscopables.flat',
'es.array.unscopables.flat-map',
'es.global-this',
'es.json.stringify',
'es.string.replace',
'es.string.trim',
'es.string.trim-end',
'es.string.at-alternative',
'es.reflect.to-string-tag',
'web.url-search-params',
'web.url.to-json',
'web.url',
];
// Creates a source file with the import of the required modules
const content = result.list
.filter((moduleName) => {
return !blacklist.includes(moduleName);
})
.reduce((acc, moduleName) => {
return `${acc}import 'core-js/modules/${moduleName}';\n`;
}, `// File generated automatically. Don't modify it.\n`);
const sourceFilePath = path.resolve(
path.join(__dirname, 'src', 'polyfill.js'),
);
fs.writeFileSync(sourceFilePath, content);
}
module.exports = {
input: 'src/polyfill.js',
output: 'dist/polyfill.bundle.js',
concat: {
js: [
'./lib/babel-external-helpers.js',
'./lib/babel-regenerator-runtime.js',
'./dist/polyfill.bundle.js',
'./lib/alert-message.js',
],
},
plugins: {
resolve: true,
},
namespaceFunction: null,
protected: true,
adjustConfigPhp: false,
browserslist: true,
};