Merge branch 'master' of https://github.com/icecream17/ts-python-chess

Author: icecream17

.github/workflows/node.js.yml

@@ -30,7 +30,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.1.5
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm ci

Readme.md

@@ -95,9 +95,7 @@ false instanceof Chess.Color  // true
 1 instanceof Chess.PieceType  // true
 59 instanceof Chess.Square    // true
 
-// NOTE: I can't use BigInt to represent 'int' in python,
-// because in Python squares can be used as an index,
-// and in javascript, you can't use BigInt to index arrays
+// NOTE: I'm not using BigInt to represent 'int' in python
 Chess.isSquare(10n)           // false
 Chess.isSquare(10)            // true
 Chess.isSquare(3858)          // "out of range"
@@ -113,7 +111,9 @@ Some other notes about types:
 
 * ```None``` corresponds to ```null```
 * ```chess.Status is an Enum``` in python, but that's Really Really hard to implement exactly
-  * Enums can't be pickled or unpickled
+  * In python is IntFlag Enum subclasses both Int and Enum.
+  * And the prototype chain makes that impossible without modifying Number.
+  * Enums can't be pickled or unpickled - doesn't make sense here
 
 ### Developer notes
 

package-lock.json

@@ -18,18 +18,18 @@
    "license": "GPL-3.0-or-later",
    "dependencies": {
       "@types/jest": "^26.0.20",
-      "@typescript-eslint/eslint-plugin": "^4.15.1",
-      "@typescript-eslint/parser": "^4.15.1",
-      "eslint": "^7.20.0",
+      "@typescript-eslint/eslint-plugin": "^4.16.1",
+      "@typescript-eslint/parser": "^4.16.1",
+      "eslint": "^7.21.0",
       "eslint-config-standard-with-typescript": "^20.0.0",
       "eslint-plugin-import": "^2.22.1",
       "eslint-plugin-jest": "^24.1.3",
       "eslint-plugin-node": "^11.1.0",
       "eslint-plugin-promise": "^4.3.1",
       "jest": "^26.6.3",
-      "ts-jest": "^26.5.1",
+      "ts-jest": "^26.5.3",
       "ts-node": "^9.1.1",
-      "typescript": "^4.1.5"
+      "typescript": "^4.2.3"
    },
    "devDependencies": {
       "chalk": "^4.1.0",