serverless-webpack/lib/utils.js at v2.0.0 · hmmhmmhm/serverless-webpack

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'use strict';

function guid() {

function s4() {

return Math.floor((1 + Math.random()) * 0x10000)

.toString(16)

.substring(1);

}

return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();

}

function purgeCache(moduleName) {

searchCache(moduleName, function (mod) {

delete require.cache[mod.id];

});

Object.keys(module.constructor._pathCache).forEach(function(cacheKey) {

if (cacheKey.indexOf(moduleName)>0) {

delete module.constructor._pathCache[cacheKey];

}

});

}

function searchCache(moduleName, callback) {

var mod = require.resolve(moduleName);

if (mod && ((mod = require.cache[mod]) !== undefined)) {

(function traverse(mod) {

mod.children.forEach(function (child) {

traverse(child);

});

callback(mod);

}(mod));

}

module.exports = {

guid,

purgeCache,

searchCache,

};