vue hello world项目
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.

28 lines
850 B

3 years ago
var global = require('../internals/global');
var userAgent = require('../internals/engine-user-agent');
var process = global.process;
var Deno = global.Deno;
var versions = process && process.versions || Deno && Deno.version;
var v8 = versions && versions.v8;
var match, version;
if (v8) {
match = v8.split('.');
// in old Chrome, versions of V8 isn't V8 = Chrome / 10
// but their correct versions are not interesting for us
version = match[0] > 0 && match[0] < 4 ? 1 : +(match[0] + match[1]);
}
// BrowserFS NodeJS `process` polyfill incorrectly set `.v8` to `0.0`
// so check `userAgent` even if `.v8` exists, but 0
if (!version && userAgent) {
match = userAgent.match(/Edge\/(\d+)/);
if (!match || match[1] >= 74) {
match = userAgent.match(/Chrome\/(\d+)/);
if (match) version = +match[1];
}
}
module.exports = version;