test: add type test

package.json

@@ -13,7 +13,6 @@
     "Daniel Perez Alvarez <[email protected]>",
     "TANIGUCHI Masaya <[email protected]>"
   ],
-  "dependencies": {},
   "devDependencies": {
     "dtslint": "^3.6.12",
     "lerna": "^3.0.0",
@@ -39,8 +38,12 @@
     "format": "remark . -qfo && prettier . --write && xo --fix",
     "test-api": "tape \"packages/*/test.js\" \"packages/*/test/**/*.js\"",
     "test-coverage": "nyc --reporter lcov tape \"packages/*/test.js\" \"packages/*/test/**/*.js\"",
-    "test-types": "dtslint packages/rehype-katex/types && dtslint packages/rehype-mathjax && dtslint packages/remark-html-katex/types && dtslint packages/remark-math/types",
-    "test": "run-s format test-types test-coverage"
+    "test:types": "run-p test:types:rehype-katex test:types:rehype-mathjax test:types:remark-html-katex test:types:remark-math",
+    "test:types:rehype-katex": "dtslint packages/rehype-katex/types",
+    "test:types:rehype-mathjax": "dtslint packages/rehype-mathjax",
+    "test:types:remark-html-katex": "dtslint packages/remark-html-katex/types",
+    "test:types:remark-math": "dtslint packages/remark-math/types",
+    "test": "run-s format test:types test-coverage"
   },
   "nyc": {
     "check-coverage": true,

packages/rehype-katex/types/test.ts

@@ -0,0 +1,9 @@
+import unified from 'unified'
+import katex from 'rehype-katex'
+
+// $ExpectType Processor<Settings>
+unified().use(katex)
+// $ExpectType Processor<Settings>
+unified().use(katex, {output: 'html'})
+// $ExpectError
+unified().use(katex, {invalidProp: true})

packages/rehype-katex/types/tsconfig.json

@@ -2,6 +2,8 @@
   "compilerOptions": {
     "lib": ["es2015", "dom"],
     "strict": true,
-    "baseUrl": "."
+    "baseUrl": ".",
+    "paths": { "rehype-katex": ["."] },
+    "esModuleInterop": true
   }
 }

packages/rehype-mathjax/chtml.d.ts

@@ -16,6 +16,6 @@ interface MathJaxCHtmlOptions {
   adaptiveCSS?: boolean
 }
 
-declare const renderCHtml: Plugin<[MathJaxCHtmlOptions?]>
+declare const renderCHtml: Plugin<[MathJaxCHtmlOptions]>
 
 export = renderCHtml

packages/rehype-mathjax/index.d.ts

@@ -1,3 +1,4 @@
+// Minimum TypeScript Version: 3.2
 import {Plugin} from 'unified'
 
 // Should be ported back to MathJax repo

packages/rehype-mathjax/test.ts

@@ -0,0 +1,38 @@
+import unified from 'unified'
+import mathjax from 'rehype-mathjax'
+import chtml from 'rehype-mathjax/chtml'
+import browser from 'rehype-mathjax/browser'
+
+// $ExpectType Processor<Settings>
+unified().use(mathjax)
+// $ExpectType Processor<Settings>
+unified().use(mathjax, {minScale: 3})
+// $ExpectError
+unified().use(mathjax, {invalidProp: true})
+
+// $ExpectType Processor<Settings>
+unified().use(chtml, {fontURL: 'url'})
+// $ExpectError
+unified().use(chtml)
+// $ExpectError
+unified().use(chtml, {})
+// $ExpectError
+unified().use(chtml, {adaptiveCSS: true})
+// $ExpectError
+unified().use(chtml, {fontURL: 'url', invalidProp: true})
+
+// $ExpectType Processor<Settings>
+unified().use(browser)
+// $ExpectType Processor<Settings>
+unified().use(browser, {displayMath: ['$$', '$$']})
+// $ExpectType Processor<Settings>
+unified().use(browser, {
+  displayMath: [
+    ['$$', '$$'],
+    ['((', '))']
+  ]
+})
+// $ExpectError
+unified().use(browser, {displayMath: ['$$']})
+// $ExpectError
+unified().use(browser, {invalidProp: true})

packages/rehype-mathjax/tsconfig.json

@@ -2,6 +2,12 @@
   "compilerOptions": {
     "lib": ["es2015", "dom"],
     "strict": true,
-    "baseUrl": "."
+    "baseUrl": ".",
+    "paths": {
+      "rehype-mathjax": ["."],
+      "rehype-mathjax/chtml": ["./chtml"],
+      "rehype-mathjax/browser": ["./browser"]
+    },
+    "esModuleInterop": true
   }
 }

packages/remark-html-katex/types/test.ts

@@ -0,0 +1,11 @@
+import unified from 'unified'
+import html from 'remark-html-katex'
+
+// $ExpectType Processor<Settings>
+unified().use(html)
+// $ExpectType Processor<Settings>
+unified().use(html, {output: 'mathml'})
+// $ExpectError
+unified().use(html, {output: true})
+// $ExpectError
+unified().use(html, {invalidProp: true})

packages/remark-html-katex/types/tsconfig.json

@@ -2,6 +2,8 @@
   "compilerOptions": {
     "lib": ["es2015", "dom"],
     "strict": true,
-    "baseUrl": "."
+    "baseUrl": ".",
+    "paths": {"remark-html-katex": ["."]},
+    "esModuleInterop": true
   }
 }

packages/remark-math/types/test.ts

@@ -0,0 +1,11 @@
+import unified from 'unified'
+import math from 'remark-math'
+
+// $ExpectType Processor<Settings>
+unified().use(math)
+// $ExpectType Processor<Settings>
+unified().use(math, {inlineMathDouble: true})
+// $ExpectError
+unified().use(math, {inlineMathDouble: 3})
+// $ExpectError
+unified().use(math, {invalidProp: true})

packages/remark-math/types/tsconfig.json

@@ -2,6 +2,8 @@
   "compilerOptions": {
     "lib": ["es2015", "dom"],
     "strict": true,
-    "baseUrl": "."
+    "baseUrl": ".",
+    "paths": {"remark-math": ["."]},
+    "esModuleInterop": true
   }
 }