✨ Add support for TSUnknown (#112)

Author: danieldelcore

.changeset/late-badgers-poke/changes.json

@@ -0,0 +1,21 @@
+{
+  "releases": [{ "name": "extract-react-types", "type": "minor" }],
+  "dependents": [
+    {
+      "name": "babel-plugin-extract-react-types",
+      "type": "patch",
+      "dependencies": ["extract-react-types"]
+    },
+    {
+      "name": "extract-react-types-loader",
+      "type": "patch",
+      "dependencies": ["extract-react-types"]
+    },
+    { "name": "kind2string", "type": "patch", "dependencies": ["extract-react-types"] },
+    {
+      "name": "pretty-proptypes",
+      "type": "patch",
+      "dependencies": ["kind2string", "extract-react-types"]
+    }
+  ]
+}

.changeset/late-badgers-poke/changes.md

@@ -0,0 +1 @@
+Adds support for the TSUnknownKeyword

packages/extract-react-types/__snapshots__/test.js.snap

@@ -4956,6 +4956,37 @@ Object {
 }
 `;
 
+exports[`ts unknown prop 1`] = `
+Object {
+  "component": Object {
+    "kind": "generic",
+    "name": Object {
+      "kind": "id",
+      "name": "Component",
+      "type": null,
+    },
+    "value": Object {
+      "kind": "object",
+      "members": Array [
+        Object {
+          "key": Object {
+            "kind": "id",
+            "name": "children",
+          },
+          "kind": "property",
+          "optional": false,
+          "value": Object {
+            "kind": "unknown",
+          },
+        },
+      ],
+      "referenceIdName": "Props",
+    },
+  },
+  "kind": "program",
+}
+`;
+
 exports[`ts void 1`] = `
 Object {
   "component": Object {

packages/extract-react-types/src/index.js

@@ -1193,6 +1193,11 @@ converters.TSNullKeyword = (path, context): K.Null => {
   return { kind: 'null' };
 };
 
+/* eslint-disable-next-line no-unused-vars */
+converters.TSUnknownKeyword = (path, context): K.Unknown => {
+  return { kind: 'unknown' };
+};
+
 /* eslint-disable-next-line no-unused-vars */
 converters.TSThisType = (path, context): K.This => {
   return { kind: 'custom', value: 'this' };

packages/extract-react-types/src/kinds.js

@@ -104,6 +104,7 @@ export type Number = {
   value?: number
 };
 export type Null = { kind: 'null' };
+export type Unknown = { kind: 'unknown' };
 export type TemplateElement = {
   kind: 'templateElement',
   value: { raw: string, cooked: string }

packages/extract-react-types/test.js

@@ -1665,6 +1665,20 @@ const TESTS = [
     class Component extends React.Component<Foo<string, {}>> {
     }
   `
+  },
+  {
+    name: 'ts unknown prop',
+    typeSystem: 'typescript',
+    code: `
+    import React from 'react';
+
+    type Props = {
+      children: unknown,
+    };
+
+    class Component extends React.Component<Props> {
+    }
+  `
   }
 ];