Merge pull request #32 from dbartholomae/add_header_normalizer_middle…

…ware

Add header normalizer middleware

README.md

@@ -24,6 +24,8 @@ This monorepo is a collection of middleware for AWS lambda functions.
   middleware.
 * [@lambda-middleware/no-sniff](/packages/no-sniff): A middleware for adding the content type options no-sniff header
   to AWS lambdas.
+* [@lambda-middleware/http-header-normalizer](/packages/http-header-normalizer): Middleware for AWS lambdas that
+  normalizes headers to lower-case.
 
 ## Other packages
 

_templates/middleware/new/package/examples/helloWorld.int-test.ts.t

@@ -1,10 +1,10 @@
 ---
-to: packages/<%= h.inflection.dasherize(name.toLowerCase()) %>/examples/hellowWorld.int-test.ts
+to: packages/<%= h.inflection.dasherize(name.toLowerCase()) %>/examples/helloWorld.int-test.ts
 ---
 import request from "supertest";
 const server = request("http://localhost:3000/dev");
 
-describe("Handler with no sniff middleware", () => {
+describe("Handler with <%= h.inflection.dasherize(name) %> middleware", () => {
   it("returns 200", async () => {
     await server.get("/hello").expect(200);
   });

_templates/middleware/new/package/examples/helloWorld.ts.t

@@ -1,5 +1,5 @@
 ---
-to: packages/<%= h.inflection.dasherize(name.toLowerCase()) %>/examples/hellowWorld.ts
+to: packages/<%= h.inflection.dasherize(name.toLowerCase()) %>/examples/helloWorld.ts
 ---
 import { <%=h.inflection.camelize(name, true) %> } from "../";
 

_templates/middleware/new/package/src/middleware.test.ts.t

@@ -10,7 +10,7 @@ describe("<%=h.inflection.camelize(name, true) %>", () => {
       body: "",
     };
     const handler = jest.fn().mockResolvedValue(response);
-    expect(await noSniff()(handler)({} as any, {} as any)).toMatchObject(
+    expect(await <%=h.inflection.camelize(name, true) %>()(handler)({} as any, {} as any)).toMatchObject(
       response
     );
   });

_templates/middleware/new/prompt.js

@@ -1,10 +1,24 @@
+const uppercase = new RegExp("([A-Z])", "g");
+const underbar_prefix = new RegExp("^_");
+
+function replaceAll(str, subStrs, by) {
+  let result = str;
+  for (const subStr of subStrs) {
+    result = result.split(subStr).join(by);
+  }
+  return result;
+}
+
+function underscore(str) {
+  return replaceAll(str.replace(uppercase, "_$1"), ["-", " "], "_");
+}
+
 module.exports = [
   {
     type: "input",
     name: "name",
-    message:
-      "How do you want to call the middleware? Please separate with spaces, e. g. 'no sniff'",
-    result: (name) => name.toLowerCase(),
+    message: "How do you want to call the middleware?",
+    result: (name) => underscore(name),
   },
   {
     type: "input",

common/config/rush/yarn.lock

@@ -1000,6 +1000,39 @@
     wait-on "^5.2.0"
     webpack "^4.41.5"
 
+"@rush-temp/http-header-normalizer@file:./projects/http-header-normalizer.tgz":
+  version "0.0.0"
+  resolved "file:./projects/http-header-normalizer.tgz#a22144ea0a51e6f48bd299b046b9d7a37bc8e465"
+  dependencies:
+    "@types/aws-lambda" "^8.10.47"
+    "@types/debug" "^4.1.5"
+    "@types/jest" "^25.2.1"
+    "@types/supertest" "^2.0.8"
+    "@typescript-eslint/eslint-plugin" "^2.26.0"
+    "@typescript-eslint/parser" "^2.26.0"
+    aws-lambda "^1.0.5"
+    concurrently "^5.1.0"
+    debug ">=4.1.0"
+    eslint "^6.8.0"
+    eslint-config-prettier "^6.10.1"
+    eslint-plugin-prettier "^3.1.2"
+    jest "^25.2.7"
+    jest-junit "^10.0.0"
+    pkg-ok "^2.3.1"
+    prettier "^2.0.2"
+    prettier-config-standard "^1.0.1"
+    rimraf "^3.0.2"
+    serverless "^1.67.0"
+    serverless-offline "^6.1.4"
+    serverless-webpack "^5.3.1"
+    source-map-support "^0.5.16"
+    supertest "^4.0.2"
+    ts-jest "^25.3.1"
+    ts-loader "^6.2.2"
+    typescript "^3.7.5"
+    wait-on "^5.2.0"
+    webpack "^4.41.5"
+
 "@rush-temp/ie-no-open@file:./projects/ie-no-open.tgz":
   version "0.0.0"
   resolved "file:./projects/ie-no-open.tgz#4bf132dac67ae18dff973d89ae4137cb1b91bdeb"
@@ -1309,8 +1342,8 @@
     shortid "^2.2.14"
 
 "@serverless/components@^2.33.4":
-  version "2.34.1"
-  resolved "https://registry.yarnpkg.com/@serverless/components/-/components-2.34.1.tgz#a33c02c8607aa935ee03b1ef8a7a8cdfb9477fac"
+  version "2.34.3"
+  resolved "https://registry.yarnpkg.com/@serverless/components/-/components-2.34.3.tgz#5764e225c5306cac7dc2b6496a8a3e16703c1a07"
   dependencies:
     "@serverless/inquirer" "^1.1.2"
     "@serverless/platform-client" "^1.1.1"
@@ -1527,8 +1560,8 @@
   resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
 
 "@types/aws-lambda@^8.10.47":
-  version "8.10.59"
-  resolved "https://registry.yarnpkg.com/@types/aws-lambda/-/aws-lambda-8.10.59.tgz#64f602aef1cac9b21a74aad6705bf350c4a5173a"
+  version "8.10.61"
+  resolved "https://registry.yarnpkg.com/@types/aws-lambda/-/aws-lambda-8.10.61.tgz#7471e08843dbdcf09b2494ac5b34c4d1a391e6d0"
 
 "@types/babel__core@^7.1.7":
   version "7.1.9"
@@ -2213,21 +2246,18 @@ arrify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
 
-arrify@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/arrify/-/arrify-2.0.1.tgz#c9655e9331e0abcd588d2a7cad7e9956f66701fa"
-
 asap@^2.0.0:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.6.tgz#e50347611d7e690943208bbdafebcbc2fb866d46"
 
-asn1.js@^4.0.0:
-  version "4.10.1"
-  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
+asn1.js@^5.2.0:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-5.4.1.tgz#11a980b84ebb91781ce35b0fdc2ee294e3783f07"
   dependencies:
     bn.js "^4.0.0"
     inherits "^2.0.1"
     minimalistic-assert "^1.0.0"
+    safer-buffer "^2.1.0"
 
 asn1@~0.2.3:
   version "0.2.4"
@@ -2298,8 +2328,8 @@ aws-lambda@^1.0.5:
     watchpack "^2.0.0-beta.10"
 
 aws-sdk@*, aws-sdk@^2.726.0:
-  version "2.729.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.729.0.tgz#3d850f7825b94b5d8b2aca58ec096973bc4c7e34"
+  version "2.732.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.732.0.tgz#03305b69c0d7ea18767aa0d99a9458e1bed48d65"
   dependencies:
     buffer "4.9.2"
     events "1.1.1"
@@ -2316,8 +2346,8 @@ aws-sign2@~0.7.0:
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
 
 aws4@^1.8.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.10.0.tgz#a17b3a8ea811060e74d47d306122400ad4497ae2"
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.10.1.tgz#e1e82e4f3e999e2cfd61b161280d16a111f86428"
 
 axios@^0.19.2:
   version "0.19.2"
@@ -2810,10 +2840,6 @@ camelcase@^5.0.0, camelcase@^5.3.1:
   version "5.3.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
 
-camelcase@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-6.0.0.tgz#5259f7c30e35e278f1bdc2a4d91230b37cad981e"
-
 capture-exit@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/capture-exit/-/capture-exit-2.0.0.tgz#fb953bfaebeb781f62898239dabb426d08a509a4"
@@ -2944,8 +2970,8 @@ cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
     safe-buffer "^5.0.1"
 
 class-transformer-validator@>=0.8.0:
-  version "0.9.0"
-  resolved "https://registry.yarnpkg.com/class-transformer-validator/-/class-transformer-validator-0.9.0.tgz#966c419e5243f146f8c32e5b6c3dc90d6ef264f8"
+  version "0.9.1"
+  resolved "https://registry.yarnpkg.com/class-transformer-validator/-/class-transformer-validator-0.9.1.tgz#81af4bab5e13ce619a25a74cc70f723a8c4e2779"
 
 class-transformer@>=0.2.3:
   version "0.3.1"
@@ -3557,8 +3583,8 @@ dateformat@^3.0.0:
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
 
 dayjs@^1.8.32:
-  version "1.8.32"
-  resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.8.32.tgz#66c48b95c397d9f7907e89bd29f78b3d19d40294"
+  version "1.8.33"
+  resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.8.33.tgz#18bc4a2b6c1c6f4d67b4c4f2536c0b97e5b766f7"
 
 [email protected], debug@=3.1.0, debug@~3.1.0:
   version "3.1.0"
@@ -4956,8 +4982,8 @@ globby@^9.2.0:
     slash "^2.0.0"
 
 google-libphonenumber@^3.2.8:
-  version "3.2.10"
-  resolved "https://registry.yarnpkg.com/google-libphonenumber/-/google-libphonenumber-3.2.10.tgz#021a314652747d736a39e2e60dc670f0431425ad"
+  version "3.2.11"
+  resolved "https://registry.yarnpkg.com/google-libphonenumber/-/google-libphonenumber-3.2.11.tgz#c5704513366b18f468a9505ea13e53f6fbcc9eec"
 
 got@^6.7.1:
   version "6.7.1"
@@ -7070,16 +7096,14 @@ meow@^5.0.0:
     yargs-parser "^10.0.0"
 
 meow@^7.0.0:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/meow/-/meow-7.0.1.tgz#1ed4a0a50b3844b451369c48362eb0515f04c1dc"
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-7.1.0.tgz#50ecbcdafa16f8b58fb7eb9675b933f6473b3a59"
   dependencies:
     "@types/minimist" "^1.2.0"
-    arrify "^2.0.1"
-    camelcase "^6.0.0"
     camelcase-keys "^6.2.2"
     decamelize-keys "^1.1.0"
     hard-rejection "^2.1.0"
-    minimist-options "^4.0.2"
+    minimist-options "4.1.0"
     normalize-package-data "^2.5.0"
     read-pkg-up "^7.0.1"
     redent "^3.0.0"
@@ -7183,20 +7207,20 @@ minimatch@^3.0.2, minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist-options@^3.0.1:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/minimist-options/-/minimist-options-3.0.2.tgz#fba4c8191339e13ecf4d61beb03f070103f3d954"
+minimist-options@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/minimist-options/-/minimist-options-4.1.0.tgz#c0655713c53a8a2ebd77ffa247d342c40f010619"
   dependencies:
     arrify "^1.0.1"
     is-plain-obj "^1.1.0"
+    kind-of "^6.0.3"
 
-minimist-options@^4.0.2:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/minimist-options/-/minimist-options-4.1.0.tgz#c0655713c53a8a2ebd77ffa247d342c40f010619"
+minimist-options@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/minimist-options/-/minimist-options-3.0.2.tgz#fba4c8191339e13ecf4d61beb03f070103f3d954"
   dependencies:
     arrify "^1.0.1"
     is-plain-obj "^1.1.0"
-    kind-of "^6.0.3"
 
 minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5:
   version "1.2.5"
@@ -8092,12 +8116,11 @@ parent-module@^1.0.0:
     callsites "^3.0.0"
 
 parse-asn1@^5.0.0, parse-asn1@^5.1.5:
-  version "5.1.5"
-  resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.5.tgz#003271343da58dc94cace494faef3d2147ecea0e"
+  version "5.1.6"
+  resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.6.tgz#385080a3ec13cb62a62d39409cb3e88844cdaed4"
   dependencies:
-    asn1.js "^4.0.0"
+    asn1.js "^5.2.0"
     browserify-aes "^1.0.0"
-    create-hash "^1.1.0"
     evp_bytestokey "^1.0.0"
     pbkdf2 "^3.0.3"
     safe-buffer "^5.1.1"
@@ -9107,9 +9130,9 @@ serialize-error@>=5.0.0:
   dependencies:
     type-fest "^0.13.1"
 
-serialize-javascript@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-3.1.0.tgz#8bf3a9170712664ef2561b44b691eafe399214ea"
+serialize-javascript@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-4.0.0.tgz#b525e1238489a5ecfc42afacc3fe99e666f4b1aa"
   dependencies:
     randombytes "^2.1.0"
 
@@ -9974,14 +9997,14 @@ terminal-link@^2.0.0:
     supports-hyperlinks "^2.0.0"
 
 terser-webpack-plugin@^1.4.3:
-  version "1.4.4"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.4.tgz#2c63544347324baafa9a56baaddf1634c8abfc2f"
+  version "1.4.5"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.5.tgz#a217aefaea330e734ffacb6120ec1fa312d6040b"
   dependencies:
     cacache "^12.0.2"
     find-cache-dir "^2.1.0"
     is-wsl "^1.1.0"
     schema-utils "^1.0.0"
-    serialize-javascript "^3.1.0"
+    serialize-javascript "^4.0.0"
     source-map "^0.6.1"
     terser "^4.1.2"
     webpack-sources "^1.4.0"
@@ -10736,8 +10759,8 @@ widest-line@^3.1.0:
     string-width "^4.0.0"
 
 windows-release@^3.1.0:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/windows-release/-/windows-release-3.3.1.tgz#cb4e80385f8550f709727287bf71035e209c4ace"
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/windows-release/-/windows-release-3.3.3.tgz#1c10027c7225743eec6b89df160d64c2e0293999"
   dependencies:
     execa "^1.0.0"
 

jest.config.js

@@ -1,7 +1,7 @@
 module.exports = {
   roots: ["<rootDir>/src"],
   transform: {
-    "^.+\\.(t|j)sx?$": "ts-jest",
+    "^.+\\.tsx?$": "ts-jest",
   },
   testRegex: ".*(int-)?test\\.(t|j)sx?$",
   moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json", "node"],

packages/http-header-normalizer/.eslintrc.js

@@ -0,0 +1,12 @@
+module.exports = {
+  extends: [
+    "plugin:@typescript-eslint/recommended",
+    "prettier/@typescript-eslint",
+    "plugin:prettier/recommended",
+  ],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    project: "tsconfig.json",
+    sourceType: "module",
+  },
+};

packages/http-header-normalizer/.gitignore

@@ -0,0 +1,29 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# IDEs
+.idea
+
+# dependencies
+/node_modules
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+package-lock.json
+yarn-debug.log*
+yarn-error.log*
+yarn.lock
+
+# Built library
+lib

packages/http-header-normalizer/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Daniel Bartholomae
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.