Update AVA

.travis.yml

@@ -6,4 +6,4 @@ script:
   - npm run lint
   - npm test
 after_script:
-  - npx nyc report --reporter=text-lcov | npx coveralls
+  - npx c8 report --reporter=text-lcov | npx coveralls

package.json

@@ -22,19 +22,21 @@
     "url": "https://github.com/runarberg/mathup.git"
   },
   "scripts": {
-    "clean": "rm -fr .nyc_output dependencies.mjs coverage/ target/",
+    "clean": "rm -fr .c8_output dependencies.mjs coverage/ target/",
     "server": "python3 -m http.server",
     "dependencies": "rollup --config --configDeps",
     "lint": "eslint --ext .js --ext .mjs --ext .cjs src/ test/ *.config.js *.src.mjs",
     "build": "rollup --config",
-    "predemo": "npm run dependencies",
+    "prebuild": "npm run dependencies",
     "prepare": "npm run build",
-    "test": "nyc ava",
+    "preserver": "npm run dependencies",
+    "test": "c8 ava",
     "test:watch": "ava --watch"
   },
   "ava": {
-    "require": [
-      "@babel/register"
+    "files": [
+      "test/**/*",
+      "src/**/*.test.*"
     ]
   },
   "babel": {
@@ -52,13 +54,24 @@
       ]
     ]
   },
+  "c8": {
+    "reporter": [
+      "html",
+      "text",
+      "text-summary"
+    ],
+    "include": [
+      "src/**/*.mjs",
+      "!src/**/*test.mjs"
+    ]
+  },
   "eslintConfig": {
     "env": {
       "node": true,
       "browser": false
     },
     "parserOptions": {
-      "ecmaVersion": "2019",
+      "ecmaVersion": "2020",
       "sourceType": "module"
     },
     "extends": [
@@ -71,6 +84,16 @@
         "error",
         "ignorePackages"
       ],
+      "import/no-extraneous-dependencies": [
+        "error",
+        {
+          "devDependencies": [
+            "*.config.js",
+            "**/*.test.mjs",
+            "test/**/*.mjs"
+          ]
+        }
+      ],
       "no-restricted-syntax": [
         "error",
         "ForInStatement",
@@ -85,16 +108,6 @@
       ]
     }
   },
-  "nyc": {
-    "reporter": [
-      "html",
-      "text",
-      "text-summary"
-    ],
-    "include": [
-      "src/**/*.mjs"
-    ]
-  },
   "prettier": {
     "trailingComma": "all"
   },
@@ -103,21 +116,20 @@
     "@babel/core": "^7.9.6",
     "@babel/plugin-transform-runtime": "^7.9.6",
     "@babel/preset-env": "^7.9.6",
-    "@babel/register": "^7.9.0",
     "@babel/runtime": "^7.9.6",
     "@rollup/plugin-commonjs": "^11.1.0",
     "@rollup/plugin-node-resolve": "^6.1.0",
-    "ava": "^2.4.0",
+    "ava": "^3.8.1",
+    "c8": "^7.1.1",
     "coveralls": "^3.1.0",
     "eslint": "^6.8.0",
     "eslint-config-airbnb-base": "^14.1.0",
     "eslint-config-prettier": "^6.11.0",
-    "eslint-plugin-ava": "^9.0.0",
+    "eslint-plugin-ava": "^10.3.0",
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-prettier": "^3.1.3",
     "expect.js": "^0.3.1",
-    "jsdom": "^15.2.1",
-    "nyc": "^15.0.1",
+    "jsdom": "^16.2.2",
     "prettier": "1.19.1",
     "rollup": "^1.32.1",
     "rollup-plugin-babel": "^4.4.0",

src/compiler/renders/to-dom.test.js → src/compiler/renders/to-dom.test.mjs

@@ -1,11 +1,11 @@
 /* globals globalThis */
 
 import test from "ava";
-import { JSDOM } from "jsdom";
+import jsdom from "jsdom";
 
 import toDOM from "./to-dom.mjs";
 
-const { window } = new JSDOM();
+const { window } = new jsdom.JSDOM();
 
 test.before("set up DOM", () => {
   globalThis.document = window.document;

src/compiler/renders/update-dom.test.js → src/compiler/renders/update-dom.test.mjs

@@ -1,12 +1,12 @@
 /* globals globalThis */
 
 import test from "ava";
-import { JSDOM } from "jsdom";
+import jsdom from "jsdom";
 
 import updateDOM from "./update-dom.mjs";
 
 const NS = "http://www.w3.org/1998/Math/MathML";
-const { window } = new JSDOM();
+const { window } = new jsdom.JSDOM();
 const { document } = window;
 
 function createRoot() {

test/snapshots/accents.js.md → test/snapshots/accents.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/accents.js`
+# Snapshot report for `test/accents.mjs`
 
-The actual snapshot is saved in `accents.js.snap`.
+The actual snapshot is saved in `accents.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## All accents
 

test/snapshots/basics.js.md → test/snapshots/basics.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/basics.js`
+# Snapshot report for `test/basics.mjs`
 
-The actual snapshot is saved in `basics.js.snap`.
+The actual snapshot is saved in `basics.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## 1+1 = 2
 

test/snapshots/fonts.js.md → test/snapshots/fonts.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/fonts.js`
+# Snapshot report for `test/fonts.mjs`
 
-The actual snapshot is saved in `fonts.js.snap`.
+The actual snapshot is saved in `fonts.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Backtick surrounded as identifiers
 

test/snapshots/fractions.js.md → test/snapshots/fractions.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/fractions.js`
+# Snapshot report for `test/fractions.mjs`
 
-The actual snapshot is saved in `fractions.js.snap`.
+The actual snapshot is saved in `fractions.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Allows trailing fractions
 

test/snapshots/groupings.js.md → test/snapshots/groupings.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/groupings.js`
+# Snapshot report for `test/groupings.mjs`
 
-The actual snapshot is saved in `groupings.js.snap`.
+The actual snapshot is saved in `groupings.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Adds parentesis around parentesized comma seperated lists
 

test/snapshots/identifiers.js.md → test/snapshots/identifiers.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/identifiers.js`
+# Snapshot report for `test/identifiers.mjs`
 
-The actual snapshot is saved in `identifiers.js.snap`.
+The actual snapshot is saved in `identifiers.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Blackboard
 

test/snapshots/matrices.js.md → test/snapshots/matrices.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/matrices.js`
+# Snapshot report for `test/matrices.mjs`
 
-The actual snapshot is saved in `matrices.js.snap`.
+The actual snapshot is saved in `matrices.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Column vectors
 

test/snapshots/numbers.js.md → test/snapshots/numbers.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/numbers.js`
+# Snapshot report for `test/numbers.mjs`
 
-The actual snapshot is saved in `numbers.js.snap`.
+The actual snapshot is saved in `numbers.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Duodecimals
 

test/snapshots/operators.js.md → test/snapshots/operators.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/operators.js`
+# Snapshot report for `test/operators.mjs`
 
-The actual snapshot is saved in `operators.js.snap`.
+The actual snapshot is saved in `operators.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Bayes theorem
 

test/snapshots/options.js.md → test/snapshots/options.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/options.js`
+# Snapshot report for `test/options.mjs`
 
-The actual snapshot is saved in `options.js.snap`.
+The actual snapshot is saved in `options.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Arbitrary column separators
 

test/snapshots/roots.js.md → test/snapshots/roots.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/roots.js`
+# Snapshot report for `test/roots.mjs`
 
-The actual snapshot is saved in `roots.js.snap`.
+The actual snapshot is saved in `roots.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Allows empty roots
 

test/snapshots/standard-functions.js.md → test/snapshots/standard-functions.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/standard-functions.js`
+# Snapshot report for `test/standard-functions.mjs`
 
-The actual snapshot is saved in `standard-functions.js.snap`.
+The actual snapshot is saved in `standard-functions.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## 2×2 determinants
 

test/snapshots/sub-supscripts.js.md → test/snapshots/sub-supscripts.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/sub-supscripts.js`
+# Snapshot report for `test/sub-supscripts.mjs`
 
-The actual snapshot is saved in `sub-supscripts.js.snap`.
+The actual snapshot is saved in `sub-supscripts.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Allows trailing sub or superscripts
 

test/snapshots/under-overscrips.js.md → test/snapshots/under-overscrips.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/under-overscrips.js`
+# Snapshot report for `test/under-overscrips.mjs`
 
-The actual snapshot is saved in `under-overscrips.js.snap`.
+The actual snapshot is saved in `under-overscrips.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Allows trailing under or overscripts
 

test/snapshots/whitespace.js.md → test/snapshots/whitespace.mjs.md

@@ -1,8 +1,8 @@
-# Snapshot report for `test/whitespace.js`
+# Snapshot report for `test/whitespace.mjs`
 
-The actual snapshot is saved in `whitespace.js.snap`.
+The actual snapshot is saved in `whitespace.mjs.snap`.
 
-Generated by [AVA](https://ava.li).
+Generated by [AVA](https://avajs.dev).
 
 ## Adjacent symbols on either side of whitespace gets wrapped in an <mrow>