fix(events): first argument of events is the type (not a property)

Author: elevatebart

src/script-handlers/__tests__/eventHandler.ts

@@ -74,19 +74,16 @@ describe('eventHandler', () => {
     eventHandler(documentation, def[0])
     const eventComp: EventDescriptor = {
       description: '',
+      type: {
+        names: ['undefined'],
+      },
       properties: [
         {
           name: '<anonymous1>',
           type: {
             names: ['undefined'],
           },
         },
-        {
-          name: '<anonymous2>',
-          type: {
-            names: ['undefined'],
-          },
-        },
       ],
     }
     expect(documentation.getEventDescriptor).toHaveBeenCalledWith('success')

src/script-handlers/eventHandler.ts

@@ -45,15 +45,22 @@ export default function eventHandler(documentation: Documentation, path: NodePat
         // fetch the leading comments on the wrapping expression
         const docblock = getDocblock(pathExpression.parentPath)
         setEventDescriptor(evtDescriptor, getDoclets(docblock || ''))
-        if (args.length > 1 && !evtDescriptor.properties) {
+
+        if (args.length > 1 && !evtDescriptor.type) {
+          evtDescriptor.type = {
+            names: ['undefined'],
+          }
+        }
+
+        if (args.length > 2 && !evtDescriptor.properties) {
           evtDescriptor.properties = []
         }
-        if (evtDescriptor.properties && evtDescriptor.properties.length < args.length - 1) {
-          let i = args.length - 1 - evtDescriptor.properties.length
+        if (evtDescriptor.properties && evtDescriptor.properties.length < args.length - 2) {
+          let i = args.length - 2 - evtDescriptor.properties.length
           while (i--) {
             evtDescriptor.properties.push({
               type: { names: ['undefined'] },
-              name: `<anonymous${args.length - i - 1}>`,
+              name: `<anonymous${args.length - i - 2}>`,
             })
           }
         }

tests/components/button-typescript/__snapshots__/button-ts.test.ts.snap

@@ -7,17 +7,12 @@ Object {
   "events": Object {
     "success": Object {
       "description": "Success event when we click",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
-      "type": undefined,
+      "properties": undefined,
+      "type": Object {
+        "names": Array [
+          "undefined",
+        ],
+      },
     },
   },
   "methods": Array [

tests/components/button/__snapshots__/button.test.ts.snap

@@ -36,7 +36,11 @@ Object {
           },
         },
       ],
-      "type": undefined,
+      "type": Object {
+        "names": Array [
+          "undefined",
+        ],
+      },
     },
   },
   "methods": Array [],

tests/components/grid-jsx/__snapshots__/grid-jsx.test.ts.snap

@@ -7,16 +7,7 @@ Object {
   "events": Object {
     "error": Object {
       "description": "Error event.",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
+      "properties": undefined,
       "type": Object {
         "names": Array [
           "object",
@@ -25,16 +16,7 @@ Object {
     },
     "success": Object {
       "description": "Success event.",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
+      "properties": undefined,
       "type": Object {
         "names": Array [
           "object",

tests/components/grid-typescript/__snapshots__/grid-ts.test.ts.snap

@@ -7,16 +7,7 @@ Object {
   "events": Object {
     "error": Object {
       "description": "Error event.",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
+      "properties": undefined,
       "type": Object {
         "names": Array [
           "object",
@@ -25,16 +16,7 @@ Object {
     },
     "success": Object {
       "description": "Success event.",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
+      "properties": undefined,
       "type": Object {
         "names": Array [
           "object",

tests/components/grid/__snapshots__/grid.test.ts.snap

@@ -7,16 +7,7 @@ Object {
   "events": Object {
     "error": Object {
       "description": "Error event.",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
+      "properties": undefined,
       "type": Object {
         "names": Array [
           "object",
@@ -25,16 +16,7 @@ Object {
     },
     "success": Object {
       "description": "Success event.",
-      "properties": Array [
-        Object {
-          "name": "<anonymous1>",
-          "type": Object {
-            "names": Array [
-              "undefined",
-            ],
-          },
-        },
-      ],
+      "properties": undefined,
       "type": Object {
         "names": Array [
           "object",