add test for invalid grid and interpolation syntax

Author: ignatiusreza

src/__snapshots__/spec.test.ts.snap renamed to src/__snapshots__/extensions.spec.ts.snap

@@ -924,6 +924,69 @@ exports[`Markdown extensions for grid add support for parsing custom grid syntax
 }
 `;
 
+exports[`Markdown extensions for grid ignores incorrect grid like content 1`] = `
+{
+  "children": [
+    {
+      "children": [
+        {
+          "position": {
+            "end": {
+              "column": 6,
+              "line": 6,
+              "offset": 42,
+            },
+            "start": {
+              "column": 1,
+              "line": 1,
+              "offset": 0,
+            },
+          },
+          "type": "text",
+          "value": "% col
+orful
+%clo
+wn drinking
+%co
+fee",
+        },
+      ],
+      "position": {
+        "end": {
+          "column": 6,
+          "line": 6,
+          "offset": 42,
+        },
+        "start": {
+          "column": 1,
+          "line": 1,
+          "offset": 0,
+        },
+      },
+      "properties": {},
+      "tagName": "p",
+      "type": "element",
+    },
+  ],
+  "data": {
+    "quirksMode": false,
+  },
+  "position": {
+    "end": {
+      "column": 1,
+      "line": 1,
+      "offset": 0,
+    },
+    "start": {
+      "column": 1,
+      "line": 1,
+      "offset": 0,
+    },
+  },
+  "type": "root",
+}
+`;
+
 exports[`Markdown extensions for grid is able to parse deeply nested grid 1`] = `
 {
   "children": [
@@ -2285,6 +2348,64 @@ exports[`Markdown extensions for interpolation add support for interpolation syn
 }
 `;
 
+exports[`Markdown extensions for interpolation ignores unmatched brackets 1`] = `
+{
+  "children": [
+    {
+      "children": [
+        {
+          "position": {
+            "end": {
+              "column": 33,
+              "line": 1,
+              "offset": 32,
+            },
+            "start": {
+              "column": 1,
+              "line": 1,
+              "offset": 0,
+            },
+          },
+          "type": "text",
+          "value": "{{f}  {f}  {{f !{{f}  !{f}  !{{f",
+        },
+      ],
+      "position": {
+        "end": {
+          "column": 33,
+          "line": 1,
+          "offset": 32,
+        },
+        "start": {
+          "column": 1,
+          "line": 1,
+          "offset": 0,
+        },
+      },
+      "properties": {},
+      "tagName": "p",
+      "type": "element",
+    },
+  ],
+  "data": {
+    "quirksMode": false,
+  },
+  "position": {
+    "end": {
+      "column": 1,
+      "line": 1,
+      "offset": 0,
+    },
+    "start": {
+      "column": 1,
+      "line": 1,
+      "offset": 0,
+    },
+  },
+  "type": "root",
+}
+`;
+
 exports[`Markdown extensions for interpolation works inside explicit markdown table 1`] = `
 {
   "children": [

src/spec.test.ts renamed to src/extensions.spec.ts

@@ -99,6 +99,18 @@ After grid
     !{{stringField}}`)
       ).toMatchSnapshot();
     });
+
+    it("ignores incorrect grid like content", () => {
+      expect(
+        parse(`% col
+  orful
+%clo
+  wn drinking
+%co
+  fee
+  `)
+      ).toMatchSnapshot();
+    });
   });
 
   describe("for interpolation", () => {
@@ -141,6 +153,10 @@ and appear !{{inline|with=argument}} like this
 `)
       ).toMatchSnapshot();
     });
+
+    it("ignores unmatched brackets", () => {
+      expect(parse("{{f}  {f}  {{f !{{f}  !{f}  !{{f")).toMatchSnapshot();
+    });
   });
 
   describe("backward compatibility", () => {

tsconfig.json

@@ -14,5 +14,5 @@
     "strictNullChecks": true
   },
   "include": ["src/**/*"],
-  "exclude": ["src/**/*.test.ts"]
+  "exclude": ["src/**/*.spec.ts"]
 }