diff options
Diffstat (limited to 'node_modules/core-js/postinstall.js')
| -rw-r--r-- | node_modules/core-js/postinstall.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/node_modules/core-js/postinstall.js b/node_modules/core-js/postinstall.js new file mode 100644 index 0000000..96bdc87 --- /dev/null +++ b/node_modules/core-js/postinstall.js @@ -0,0 +1,58 @@ +/* eslint-disable max-len */ +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 on Open Collective or Patreon: \u001B[0m\n' + + '\u001B[96m>\u001B[94m https://opencollective.com/core-js \u001B[0m\n' + + '\u001B[96m>\u001B[94m https://www.patreon.com/zloirock \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, 'utf8')); + 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,no-control-regex + console.log(COLOR ? BANNER : BANNER.replace(/\u001B\[\d+m/g, '')); +} + +if (isBannerRequired()) showBanner(); |
