SDK Modernization (#69)

* Blatant copy-paste from stellar-sdk + re-yarning
* Dependency shuffle and full upgrade
* Adjust babel to broader browser compatibility

.babelrc

@@ -1,8 +1,22 @@
 {
-    "presets": ["es2015"],
-    "plugins": [
-        ["babel-plugin-transform-builtin-extend", {
-            "globals": ["Error"]
-        }]
-    ]
+    "comments": true,
+    "presets": [
+        "@babel/preset-env",
+        "@babel/typescript",
+    ],
+    "env": {
+        "development": {
+            "plugins": [
+                "istanbul"
+            ]
+        }
+    },
+    "targets": {
+        "node": 14,
+        "browsers": [
+            "> 2%",
+            "ie 11",
+            "not op_mini all"
+        ]
+    }
 }

.eslintrc.js

@@ -1,9 +1,10 @@
 module.exports = {
+  parser: "@babel/eslint-parser",
   env: {
-    node: true
+    node: true,
   },
-  extends: ['eslint:recommended', 'plugin:node/recommended'],
+  extends: ["eslint:recommended", "plugin:node/recommended"],
   rules: {
-    'node/no-unpublished-require': 0
-  }
+    "node/no-unpublished-require": 0,
+  },
 };

.github/workflows/codeql-analysis.yml

@@ -24,15 +24,15 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
 
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
+      uses: github/codeql-action/autobuild@v2
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/gh_pages.yaml

@@ -8,12 +8,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout SDK
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Checkout Base
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: stellar/js-stellar-base
           path: js-stellar-base
@@ -30,7 +30,7 @@ jobs:
         run: gulp
 
       - name: Checkout GH pages
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: stellar/js-soroban-client
           ref: gh-pages

.github/workflows/npm_publish.yml

@@ -8,19 +8,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install Node
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v3
         with:
           node-version: '14.x'
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install Depencencies
-        run: yarn
+        run: yarn install
 
-      - name: Build
-        run: yarn version
+      - name: Build, Test, and Package
+        run: yarn preversion
 
       - name: Publish npm package
         run: yarn publish

.github/workflows/tests.yml

@@ -11,30 +11,32 @@ jobs:
 
     strategy:
       fail-fast: false
-      max-parallel: 2
+      max-parallel: 4
       matrix:
-        node-version: [14, 16]
+        node-version: [14, 16, 18]
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
 
+      # Workaround for some `yarn` nonsense, see:
+      # https://github.com/yarnpkg/yarn/issues/6312#issuecomment-429685210
       - name: Install Dependencies
-        run: yarn install
+        run: yarn install --network-concurrency 1
 
       - name: Build
-        run: gulp
+        run: yarn build:prod
 
       - name: Unit Tests
-        run: gulp test:unit
-
-      - name: Browser Tests
-        run: gulp test:browser
+        run: yarn test:node
 
       - name: Integration Tests
-        run: gulp test:integration
+        run: yarn test:integration
+
+      - name: Browser Tests
+        run: yarn test:browser

.gitignore

@@ -7,5 +7,6 @@
 /jsdoc/
 .DS_Store
 .idea/
+.nyc_output/
 js-stellar-base/
 .envrc

.nycrc

@@ -0,0 +1,3 @@
+{
+    "extends": "@istanbuljs/nyc-config-babel"
+}