feat: add json and yaml variable constructors

testdata/vars/any2/Taskfile.yml

@@ -19,3 +19,35 @@ tasks:
           {{- else}} and {{$child.name -}}
           {{- end -}}
         {{- end -}}"
+
+  json:
+    vars:
+      JSON_STRING:
+        sh: cat example.json
+      JSON:
+        json: "{{.JSON_STRING}}"
+    cmds:
+      - >-
+        echo "{{.JSON.name}} has {{len .JSON.children}} children called
+        {{- $children := .JSON.children -}}
+        {{- range $i, $child := $children -}}
+          {{- if lt $i (sub (len $children) 1)}} {{$child.name -}},
+          {{- else}} and {{$child.name -}}
+          {{- end -}}
+        {{- end -}}"
+
+  yaml:
+    vars:
+      YAML_STRING:
+        sh: cat example.yaml
+      YAML:
+        yaml: "{{.YAML_STRING}}"
+    cmds:
+      - >-
+        echo "{{.YAML.name}} has {{len .YAML.children}} children called
+        {{- $children := .YAML.children -}}
+        {{- range $i, $child := $children -}}
+          {{- if lt $i (sub (len $children) 1)}} {{$child.name -}},
+          {{- else}} and {{$child.name -}}
+          {{- end -}}
+        {{- end -}}"

testdata/vars/any2/example.json

@@ -0,0 +1,18 @@
+{
+    "name": "Alice",
+    "age": 30,
+    "children": [
+        {
+            "name": "Bob",
+            "age": 5
+        },
+        {
+            "name": "Charlie",
+            "age": 3
+        },
+        {
+            "name": "Diane",
+            "age": 1
+        }
+    ]
+}

testdata/vars/any2/example.yaml

@@ -0,0 +1,9 @@
+name: Alice
+age: 30
+children:
+  - name: Bob
+    age: 5
+  - name: Charlie
+    age: 3
+  - name: Diane
+    age: 1