const log = require('fliplog');
const NODE_VERSION = require('./params/NODE_VERSION');
const YARN_VERSION = require('./params/YARN_VERSION');
// make sure 1.5+ ?
const IS_OLD_YARN = YARN_VERSION.MAJOR < 1 && YARN_VERSION.MINOR > 0;
const IS_OLD_NODE = NODE_VERSION.MAJOR < 9;
if (IS_OLD_NODE) {
    log.red('upgrade node version ' + NODE_VERSION).echo();
}
if (IS_OLD_YARN) {
    log.red('upgrade yarn version ' + YARN_VERSION).echo();
}
if (!IS_OLD_NODE && !IS_OLD_YARN) {
    console.log('node & yarn: good to go');
    console.log('NODE_VERSION: ' + NODE_VERSION);
    console.log('YARN_VERSION: ' + YARN_VERSION);
}
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