antv-l7/node_modules/cachedir/index.js

43 lines
1.1 KiB
JavaScript

const os = require('os')
const path = require('path')
function posix (id) {
const cacheHome = process.env.XDG_CACHE_HOME || path.join(os.homedir(), '.cache')
return path.join(cacheHome, id)
}
function darwin (id) {
return path.join(os.homedir(), 'Library', 'Caches', id)
}
function win32 (id) {
const appData = process.env.LOCALAPPDATA || path.join(os.homedir(), 'AppData', 'Local')
return path.join(appData, id, 'Cache')
}
const implementation = (function () {
switch (os.platform()) {
case 'android': return posix
case 'darwin': return darwin
case 'freebsd': return posix
case 'linux': return posix
case 'openbsd': return posix
case 'win32': return win32
default: throw new Error('Your OS "' + os.platform() + '" is currently not supported by node-cachedir.')
}
}())
module.exports = function cachedir (id) {
if (typeof id !== 'string') {
throw new TypeError('id is not a string')
}
if (id.length === 0) {
throw new Error('id cannot be empty')
}
if (/[^0-9a-zA-Z-]/.test(id)) {
throw new Error('id cannot contain special characters')
}
return implementation(id)
}