hexo/node_modules/is-docker/index.js

30 lines
478 B
JavaScript

'use strict';
const fs = require('fs');
let isDocker;
function hasDockerEnv() {
try {
fs.statSync('/.dockerenv');
return true;
} catch (_) {
return false;
}
}
function hasDockerCGroup() {
try {
return fs.readFileSync('/proc/self/cgroup', 'utf8').includes('docker');
} catch (_) {
return false;
}
}
module.exports = () => {
if (isDocker === undefined) {
isDocker = hasDockerEnv() || hasDockerCGroup();
}
return isDocker;
};