62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
|
var vm = require('vm');
|
||
|
|
|
||
|
|
function createContext() {
|
||
|
|
var context = {
|
||
|
|
// required by browserify
|
||
|
|
XMLHttpRequest: function() { throw new Error('not implemented'); },
|
||
|
|
|
||
|
|
localStorage: {
|
||
|
|
// used by `debug` module
|
||
|
|
debug: process.env.DEBUG
|
||
|
|
},
|
||
|
|
|
||
|
|
// used by DataSource.prototype.ready
|
||
|
|
setTimeout: setTimeout,
|
||
|
|
|
||
|
|
// used by `debug` module
|
||
|
|
document: { documentElement: { style: {} } },
|
||
|
|
|
||
|
|
// used by `debug` module
|
||
|
|
navigator: { userAgent: 'sandbox' },
|
||
|
|
|
||
|
|
// used by crypto-browserify & friends
|
||
|
|
Int32Array: Int32Array,
|
||
|
|
DataView: DataView,
|
||
|
|
|
||
|
|
// allow the browserified code to log messages
|
||
|
|
// call `printContextLogs(context)` to print the accumulated messages
|
||
|
|
console: {
|
||
|
|
log: function() {
|
||
|
|
this._logs.log.push(Array.prototype.slice.call(arguments));
|
||
|
|
},
|
||
|
|
warn: function() {
|
||
|
|
this._logs.warn.push(Array.prototype.slice.call(arguments));
|
||
|
|
},
|
||
|
|
error: function() {
|
||
|
|
this._logs.error.push(Array.prototype.slice.call(arguments));
|
||
|
|
},
|
||
|
|
_logs: {
|
||
|
|
log: [],
|
||
|
|
warn: [],
|
||
|
|
error: []
|
||
|
|
},
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// `window` is used by loopback to detect browser runtime
|
||
|
|
context.window = context;
|
||
|
|
|
||
|
|
return vm.createContext(context);
|
||
|
|
}
|
||
|
|
exports.createContext = createContext;
|
||
|
|
|
||
|
|
function printContextLogs(context) {
|
||
|
|
for (var k in context.console._logs) {
|
||
|
|
var items = context.console._logs[k];
|
||
|
|
for (var ix in items) {
|
||
|
|
console[k].apply(console, items[ix]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.printContextLogs = printContextLogs;
|