Studying all day long)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

59 lines
2.1 KiB

2 years ago
var fs = require('fs');
var os = require('os');
var path = require('path');
var env = process.env;
var ADBLOCK = is(env.ADBLOCK);
var COLOR = is(env.npm_config_color);
var DISABLE_OPENCOLLECTIVE = is(env.DISABLE_OPENCOLLECTIVE);
var SILENT = ['silent', 'error', 'warn'].indexOf(env.npm_config_loglevel) !== -1;
var OPEN_SOURCE_CONTRIBUTOR = is(env.OPEN_SOURCE_CONTRIBUTOR);
var MINUTE = 60 * 1000;
// you could add a PR with an env variable for your CI detection
var CI = [
'BUILD_NUMBER',
'CI',
'CONTINUOUS_INTEGRATION',
'DRONE',
'RUN_ID'
].some(function (it) { return is(env[it]); });
var BANNER = '\u001B[96mThank you for using core-js (\u001B[94m https://github.com/zloirock/core-js \u001B[96m) for polyfilling JavaScript standard library!\u001B[0m\n\n' +
'\u001B[96mThe project needs your help! Please consider supporting of core-js:\u001B[0m\n' +
'\u001B[96m>\u001B[94m https://opencollective.com/core-js \u001B[0m\n' +
'\u001B[96m>\u001B[94m https://patreon.com/zloirock \u001B[0m\n' +
'\u001B[96m>\u001B[94m bitcoin: bc1qlea7544qtsmj2rayg0lthvza9fau63ux0fstcz \u001B[0m\n\n' +
'\u001B[96mAlso, the author of core-js (\u001B[94m https://github.com/zloirock \u001B[96m) is looking for a good job -)\u001B[0m\n';
function is(it) {
return !!it && it !== '0' && it !== 'false';
}
function isBannerRequired() {
if (ADBLOCK || CI || DISABLE_OPENCOLLECTIVE || SILENT || OPEN_SOURCE_CONTRIBUTOR) return false;
var file = path.join(os.tmpdir(), 'core-js-banners');
var banners = [];
try {
var DELTA = Date.now() - fs.statSync(file).mtime;
if (DELTA >= 0 && DELTA < MINUTE * 3) {
banners = JSON.parse(fs.readFileSync(file));
if (banners.indexOf(BANNER) !== -1) return false;
}
} catch (error) {
banners = [];
}
try {
banners.push(BANNER);
fs.writeFileSync(file, JSON.stringify(banners), 'utf8');
} catch (error) { /* empty */ }
return true;
}
function showBanner() {
// eslint-disable-next-line no-console, regexp/no-control-character -- output
console.log(COLOR ? BANNER : BANNER.replace(/\u001B\[\d+m/g, ''));
}
if (isBannerRequired()) showBanner();