81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
var path = require('path'); // if module is locally defined we path.resolve it
|
|
var callsite = require('callsite');
|
|
|
|
require.find = function (moduleName) {
|
|
if (moduleName[0] === '.') {
|
|
var stack = callsite();
|
|
for (var i in stack) {
|
|
var filename = stack[i].getFileName();
|
|
if (filename !== module.filename) {
|
|
moduleName = path.resolve(path.dirname(filename), moduleName);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
try {
|
|
return require.resolve(moduleName);
|
|
} catch (e) {
|
|
return;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Removes a module from the cache. We need this to re-load our http_request !
|
|
* see: http://stackoverflow.com/a/14801711/1148249
|
|
*/
|
|
require.decache = function (moduleName) {
|
|
|
|
moduleName = require.find(moduleName);
|
|
|
|
if(!moduleName) {return;}
|
|
|
|
// Run over the cache looking for the files
|
|
// loaded by the specified module name
|
|
require.searchCache(moduleName, function (mod) {
|
|
delete require.cache[mod.id];
|
|
});
|
|
|
|
// Remove cached paths to the module.
|
|
// Thanks to @bentael for pointing this out.
|
|
Object.keys(module.constructor._pathCache).forEach(function(cacheKey) {
|
|
if (cacheKey.indexOf(moduleName)>0) {
|
|
delete module.constructor._pathCache[cacheKey];
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Runs over the cache to search for all the cached
|
|
* files
|
|
*/
|
|
require.searchCache = function (moduleName, callback) {
|
|
// Resolve the module identified by the specified name
|
|
var mod = require.resolve(moduleName);
|
|
var visited = {};
|
|
|
|
// Check if the module has been resolved and found within
|
|
// the cache no else so #ignore else http://git.io/vtgMI
|
|
/* istanbul ignore else */
|
|
if (mod && ((mod = require.cache[mod]) !== undefined)) {
|
|
// Recursively go over the results
|
|
(function run(current) {
|
|
visited[current.id] = true;
|
|
// Go over each of the module's children and
|
|
// run over it
|
|
current.children.forEach(function (child) {
|
|
// ignore .node files, decachine native modules throws a
|
|
// "module did not self-register" error on second require
|
|
if (path.extname(child.filename) !== '.node' && !visited[child.id]) {
|
|
run(child);
|
|
}
|
|
});
|
|
|
|
// Call the specified callback providing the
|
|
// found module
|
|
callback(current);
|
|
})(mod);
|
|
}
|
|
};
|
|
|
|
module.exports = require.decache;
|