Discover AI-native insights at Testμ Conference‘25

How to use createProxyHandler method in Karma

Best JavaScript code snippet using karma

edit-buffer.test.js

...5    expect(typeof createProxyHandler).toBe('function');6  });7  test('applying the proxy to an object still allows reading of the original properties', () => {8    let obj = { a: 1, b: 2, c: 3 };9    let proxyObj = new Proxy(obj, createProxyHandler());10    expect(proxyObj.a).toBe(1);11    expect(proxyObj.b).toBe(2);12    expect(proxyObj.c).toBe(3);13  });14  test('after wrapping the proxy around the object, values can still be set', () => {15    let obj = { a: 1, b: 2, c: 3 };16    let proxyObj = new Proxy(obj, createProxyHandler());17    proxyObj.a = 99;18    expect(proxyObj.a).toBe(99);19  });20  test('setting values through the proxy does not affect the underlying object', () => {21    let obj = { a: 1, b: 2, c: 3 };22    let proxyObj = new Proxy(obj, createProxyHandler());23    proxyObj.a = 99;24    expect(proxyObj.a).toBe(99);25    expect(obj.a).toBe(1);26  });27  test('save property on proxied object has a function value', () => {28    let obj = { a: 1, b: 2, c: 3 };29    let proxyObj = new Proxy(obj, createProxyHandler());30    expect(typeof proxyObj.save).toBe('function');31    expect(typeof obj.save).toBe('undefined');32  });33  test('invoking the proxyObject#save function persists buffered values onto the wrapped object', () => {34    let obj = { a: 1, b: 2, c: 3 };35    let proxyObj = new Proxy(obj, createProxyHandler());36    proxyObj.a = 99;37    proxyObj.b = 100;38    expect(proxyObj.a).toBe(99);39    expect(proxyObj.b).toBe(100);40    expect(obj.a).toBe(1);41    expect(obj.b).toBe(2);42    proxyObj.save();43    expect(obj.a).toBe(99);44    expect(obj.b).toBe(100);45  });...

tracking-unsafe-module-wrapper.js

Source: tracking-unsafe-module-wrapper.js

1// initializing global here for unsafe builtin usage at import time2global.unsafeBuiltinUsage = []3function createProxyHandler(prefix, options) {4  return {5    get: function (target, key) {6      const value = target[key]7      const path = key && key.toString ? `${prefix}.${key.toString()}` : prefix8      if (options.ignore.includes(path)) {9        return value10      }11      if (typeof value === `function`) {12        return function wrapper(...args) {13          const myErrorHolder = {14            name: `Unsafe builtin usage ${path}`,15          }16          Error.captureStackTrace(myErrorHolder, wrapper)17          // - loadPageDataSync already is tracked with dedicated warning messages,18          // so skipping marking it to avoid multiple messages for same usage19          // - node-gyp-build will use fs.readDirSync in attempt to load binaries20          // this should be ok to ignore.21          if (22            !myErrorHolder.stack.includes(`loadPageDataSync`) &&23            !myErrorHolder.stack.includes(`node-gyp-build`)24          ) {25            global.unsafeBuiltinUsage.push(myErrorHolder.stack)26          }27          return value.apply(target, args)28        }29      } else if (typeof value === `object` && value !== null) {30        return new Proxy(value, createProxyHandler(path, options))31      }32      return value33    },34  }35}36function wrapModuleWithTracking(moduleName, options = {}) {37  if (!options.ignore) {38    options.ignore = []39  }40  const mod = require(moduleName)41  return new Proxy(mod, createProxyHandler(moduleName, options))42}...

Using AI Code Generation

1var karma = require('karma').server;2var karmaConfig = require('./karma.conf.js');3karma.start(karmaConfig, function(exitCode) {4  console.log('Karma has exited with ' + exitCode);5  process.exit(exitCode);6});7module.exports = function(config) {8  config.set({9    preprocessors: {10    },11    proxies: {12    },13  })14}

Using AI Code Generation

1var server = require('karma').server;2var createProxyHandler = require('karma').createProxyHandler;3server.start({4}, function(exitCode) {5  process.exit(exitCode);6});7var proxyHandler = createProxyHandler({8});9var http = require('http');10var server = http.createServer(function(req, res) {11  proxyHandler(req, res);12});13server.listen(8080);14module.exports = function(grunt) {15  grunt.initConfig({16    pkg: grunt.file.readJSON('package.json'),17    karma: {18      unit: {19      }20    },21    connect: {22      server: {23        options: {24          middleware: function(connect, options) {25              require('grunt-connect-proxy/lib/utils').proxyRequest26            ];27          }28        },29        proxies: [{

Using AI Code Generation

1var createProxyHandler = require('karma').config.createProxyHandler;2var log = require('karma').logger.create('proxy');3var config = require('karma').config;4var fileList = require('karma').fileList;5var file = require('karma').file;6var http = require('http');7var https = require('https');8var url = require('url');9var fs = require('fs');10var path = require('path');11var mime = require('mime');12var _ = require('lodash');13var minimatch = require('minimatch');14var Promise = require('es6-promise').Promise;15var createMiddleware = require('http-proxy-middleware');16var createProxyMiddleware = require('http-proxy-middleware').createProxyMiddleware;17var createRewriteMiddleware = require('http-proxy-middleware').createRewriteMiddleware;18var createServeStaticMiddleware = require('http-proxy-middleware').createServeStaticMiddleware;19var createWebSocketProxyMiddleware = require('http-proxy-middleware').createWebSocketProxyMiddleware;20var createErrorMiddleware = require('http-proxy-middleware').createErrorMiddleware;21var createHistoryApiFallbackMiddleware = require('http-proxy-middleware').createHistoryApiFallbackMiddleware;22var createFallbackMiddleware = require('http-proxy-middleware').createFallbackMiddleware;23var createRemoteSnippetMiddleware = require('http-proxy-middleware').createRemoteSnippetMiddleware;

Using AI Code Generation

1var createProxyHandler = require('karma/lib/middleware/proxy').createProxyHandler;2var proxy = createProxyHandler({3});4app.use('/proxy', proxy);5var proxyMiddleware = require('karma/lib/middleware/proxy');6app.use('/proxy', proxyMiddleware({7}));

Using AI Code Generation

1const createProxyHandler = require('karma').server.createProxyHandler;2const proxy = createProxyHandler({3});4const express = require('express');5const app = express();6app.get('/karma/*', proxy);7app.listen(3000);8const http = require('http');9const requestListener = function (req, res) {10    proxy(req, res);11};12const server = http.createServer(requestListener);13server.listen(3000);

Using AI Code Generation

1var karmaProxy = require('karma').proxy;2var proxy = karmaProxy.createProxyHandler({3});4var karmaProxy = require('karma').proxy;5var proxy = karmaProxy.createProxyMiddleware({6});7var karmaProxy = require('karma').proxy;8var proxy = karmaProxy.createProxyServer({9});10var karmaProxy = require('karma').proxy;11var proxy = karmaProxy.createProxyHandler({12});13var karmaProxy = require('karma').proxy;14var proxy = karmaProxy.createProxyMiddleware({15});16var karmaProxy = require('karma').proxy;17var proxy = karmaProxy.createProxyServer({18});19var karmaProxy = require('karma').proxy;20var proxy = karmaProxy.createProxyHandler({21});22var karmaProxy = require('karma').proxy;23var proxy = karmaProxy.createProxyMiddleware({24});25var karmaProxy = require('karma').proxy;26var proxy = karmaProxy.createProxyServer({27});28var karmaProxy = require('karma').proxy;29var proxy = karmaProxy.createProxyHandler({30});31var karmaProxy = require('karma').proxy;32var proxy = karmaProxy.createProxyMiddleware({

Using AI Code Generation

1var createProxyHandler = require('karma/lib/middleware/proxy').createProxyHandler;2var proxyHandler = createProxyHandler('/base/test/test.js', {3});4proxyHandler(req, res);5var proxyHandler = createProxyHandler('/base/test/test.js', {6});7app.use('/test/test.js', proxyHandler);8app.use('/test/test.js', proxyHandler);9app.use('/test/test.js', proxyHandler);10app.use('/test/test.js', proxyHandler);11app.use('/test/test.js', proxyHandler);12app.use('/test/test.js', proxyHandler);

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