feat: Added proper type elision & refactored codebase

* Refactored codebase
* Implemented yarn
* Added IDE config files
* Refactored tests + added multi-TS testing
* Redesigned elision & integrated new "harmony factory"
* Consolidated CI to GH Actions (dropping appveyor)

Author: nonara

.appveyor.yml

@@ -4,20 +4,37 @@ on: [push]
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
-
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [8.x, 10.x, 12.x]
+        os: [ubuntu-latest, windows-latest]
+        node-version: [10.x, 12.x, 14.x]
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm install
-    - run: npm test
-      env:
-        CI: true
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Determine Yarn Cache Path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v1
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install Packages
+        run: yarn install --frozen-lockfile
+
+      - name: Test
+        run: yarn test
+        env:
+          CI: true

.editorconfig

@@ -13,23 +13,35 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Determine Yarn Cache Path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v1
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
       - name: Setup Node.js 12.x to publish to npmjs.org
         uses: actions/setup-node@v1
         with:
           node-version: '12.x'
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install Packages
-        run: npm install
-
-      - name: Build
-        run: npm run build
+        run: yarn install --frozen-lockfile
 
       - name: Test
-        run: npm run test
+        run: yarn test
         env:
           CI: true
 
+      - name: Build
+        run: yarn build
+
       - name: Publish to NPM
         run: npm publish
         env:

.github/workflows/main.yml

@@ -1,4 +1,77 @@
-lib
+# Yarn
+.yarn-cache
+
+# Built
+*.js.map
+dist
+coverage
+package-lock.json
+*.tsbuildinfo
+
+# Extensions
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+
+# Personal
+.env
+.vscode
+.idea/jsLibraryMappings.xml
+todo/
+
+# Junk
+temp/
+.DS_Store
+tmp
 node_modules
-tests/__built/
-.idea
+
+### JetBrains ###
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests