chore(karma): remove dependency on tmp

Author: Alex Eagle

packages/karma/BUILD.bazel

@@ -30,7 +30,6 @@ ts_library(
     tsconfig = ":tsconfig.json",
     deps = [
         "@npm//@types/node",
-        "@npm//tmp",
     ],
 )
 
@@ -46,7 +45,6 @@ nodejs_binary(
         "@npm//karma-requirejs",
         "@npm//karma-sourcemap-loader",
         "@npm//requirejs",
-        "@npm//tmp",
     ],
     entry_point = "@npm//:node_modules/karma/bin/karma",
 )

packages/karma/index.ts

@@ -6,7 +6,6 @@ import * as fs from 'fs';
 import * as path from 'path';
 import * as process from 'process';
 import {createInterface} from 'readline';
-import * as tmp from 'tmp';
 ///<reference types="lib.dom"/>
 
 /**
@@ -24,14 +23,14 @@ function sha1(data) {
 function initConcatJs(logger, emitter, basePath, hostname, port) {
   const log = logger.create('framework.concat_js');
 
-  // Create a tmp file for the concat bundle that is automatically cleaned up on
-  // exit.
-  const tmpFile = tmp.fileSync({keep: false, dir: process.env['TEST_TMPDIR']});
+  // Create a tmp file for the concat bundle, rely on Bazel to clean the TMPDIR
+  const tmpFile =
+      path.join(process.env['TEST_TMPDIR'], crypto.randomBytes(6).readUIntLE(0, 6).toString(36));
 
   emitter.on('file_list_modified', files => {
     const bundleFile = {
       path: '/concatjs_bundle.js',
-      contentPath: tmpFile.name,
+      contentPath: tmpFile,
       isUrl: false,
       content: '',
       encodings: {},

packages/karma/karma.conf.js

@@ -1,9 +1,9 @@
 // Karma configuration
 // GENERATED BY Bazel
 try {
+  const crypto = require('crypto');
   const fs = require('fs');
   const path = require('path');
-  const tmp = require('tmp');
   const child_process = require('child_process');
   const runfiles = require(process.env['BAZEL_NODE_RUNFILES_HELPER']);
 
@@ -272,10 +272,10 @@ try {
       })();
     `;
 
-      const requireConfigFile =
-          tmp.fileSync({keep: false, postfix: '.js', dir: process.env['TEST_TMPDIR']});
-      fs.writeFileSync(requireConfigFile.name, requireConfigContent);
-      conf.files.push(requireConfigFile.name);
+      const requireConfigFile = path.join(
+          process.env['TEST_TMPDIR'], crypto.randomBytes(6).readUIntLE(0, 6).toString(36) + '.js');
+      fs.writeFileSync(requireConfigFile, requireConfigContent);
+      conf.files.push(requireConfigFile);
   }
 
   /**

packages/karma/karma_web_test.bzl

@@ -29,7 +29,6 @@ KARMA_PEER_DEPS = [
     "@npm//karma-requirejs",
     "@npm//karma-sourcemap-loader",
     "@npm//requirejs",
-    "@npm//tmp",
 ]
 
 KARMA_WEB_TEST_ATTRS = {

packages/karma/package.json

@@ -17,9 +17,6 @@
   ],
   "main": "./index.js",
   "typings": "./index.d.ts",
-  "dependencies": {
-    "tmp": "0.1.0"
-  },
   "peerDependencies": {
     "jasmine-core": ">=2.0.0",
     "karma": ">=4.0.0",