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wipe-node-cache
Advanced tools
Keep your cache clear – as my mom always says.
wipeNodeCache – cleans, clears and wipes all old dirty modules from node.js internal require.cache.
Useful for testing purposes when you need to freshly require a module. Or two. Or just keep all modules fresh, for example for proxyquire.
$ npm install --save wipe-node-cache
// foo.js
var i = 0;
module.exports = function () {
return ++i;
};
var wipe = require('wipe-node-cache');
require('./foo')();
//=> 1
require('./foo')();
//=> 2
wipe(null, function(){return true;})
require('./foo')();
//=> 1 . Module is fresh now
But this is simply, and stupid way. We can do it better!
Foreach module in system wipe will call filterCallback with 2 arguments – object1 and moduleName(absolute)) And you shall return true, if you want to wipe this module.
After first pass wipe will enter bubbling stage, and will wipe all modules, which use first ones. Each time bubbleCallback will be called with 1 argument - moduleName. And you can decide - purge it, or not.
(see examples in source)
function resolver(stubs, fileName, module) {
return !fileName.indexOf('node_modules') > 0
}
// wipe everything, except node_modules
wipe(null, resolver, function (moduleName) {
return !resolver(null, moduleName);
});
function resolver(stubs, fileName, module) {
var dirname = module ? path.dirname(module) : '';
var requireName = fileName;
if (dirname) {
requireName = fileName.charAt(0) == '.' ? path.normalize(dirname + '/' + fileName) : fileName;
}
for (var i in stubs) {
if (requireName.indexOf(i) > 0) {
return stubs[i];
}
}
}
// wipe anything from helpers, and app.js.
// but keep hands off node_modules and core during bubbling.
wipe({
'helpers/*': true,
'App.js': true
}, resolver, function (moduleName) {
return !(moduleName.indexOf('node_modules') > 0) && !(moduleName.indexOf('core') > 0)
});
FAQs
Wipes node.js cache in a controlled way.
The npm package wipe-node-cache receives a total of 57,745 weekly downloads. As such, wipe-node-cache popularity was classified as popular.
We found that wipe-node-cache demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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