- upgraded prettier

- installed eslint integrations
- removed tslint
- added rules to match old tslint rules
- ran linter on ts_src and tests

.eslintrc

@@ -0,0 +1,57 @@
+{
+    "root": true,
+    "parser": "@typescript-eslint/parser",
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "extends": [
+        "eslint:recommended", 
+        "prettier",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:prettier/recommended"
+    ],
+    "rules": {
+        "prettier/prettier": ["error", {
+          "singleQuote": true,
+          "trailingComma": "all",
+
+          "endOfLine": "auto",
+          "arrowParens": "avoid",
+          "tabWidth": 2
+        }],
+
+        "arrow-body-style": "off",
+        "prefer-arrow-callback": "off",
+
+        "@typescript-eslint/array-type": 0,
+        "@typescript-eslint/no-inferrable-types": "off",
+        "@typescript-eslint/ban-types": "off",
+        "@typescript-eslint/no-unused-vars": "off",
+
+        "arrow-parens": "off",
+        "curly": "off",
+        "no-case-declarations": "off",
+
+        "quotes": "off",
+        "@typescript-eslint/quotes": ["error", "single", { "avoidEscape": true, "allowTemplateLiterals": true }],
+        "prefer-rest-params": "off",
+        "no-bitwise": "off",
+        "no-console": "off",
+        "no-empty": ["error", { "allowEmptyCatch": true }],
+
+        "@typescript-eslint/no-var-requires": "off",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/no-explicit-any": "off",
+
+        "no-unused-expressions": "off",
+        "@typescript-eslint/no-unused-expressions": "off",
+
+        "space-before-function-paren": "off"
+    },
+    "env": {
+        "browser": true,
+        "amd": true,
+        "node": true
+    }
+  }
+

.prettierignore

@@ -0,0 +1 @@
+*.d.ts

.prettierrc.json

@@ -1,4 +1,7 @@
 {
   "singleQuote": true,
-  "trailingComma": "all"
+  "trailingComma": "all",
+  "endOfLine": "auto",
+  "arrowParens": "avoid",
+  "tabWidth": 2
 }

CONTRIBUTING.md

@@ -50,7 +50,7 @@ Refer to the [Git manual](https://git-scm.com/doc) for any information about `gi
 
 
 ## Regarding TypeScript
-This library is written in TypeScript with tslint, prettier, and the tsc transpiler. These tools will help during testing to notice improper logic before committing and sending a pull request.
+This library is written in TypeScript with eslint, prettier, and the tsc transpiler. These tools will help during testing to notice improper logic before committing and sending a pull request.
 
 Some rules regarding TypeScript: