Initial commit - full huishou project

node_modules/licia/isDocker.js

@@ -0,0 +1,23 @@
+const memoize = require('./memoize');
+const contain = require('./contain');
+
+const fs = require('fs');
+
+exports = memoize(function() {
+    try {
+        fs.statSync('/.dockerenv');
+        return true;
+    } catch (e) {}
+
+    return hasDocker('/proc/self/cgroup') || hasDocker('/proc/self/mountinfo');
+});
+
+function hasDocker(file) {
+    try {
+        return contain(fs.readFileSync(file, 'utf8'), 'docker');
+    } catch (e) {
+        return false;
+    }
+}
+
+module.exports = exports;