nodejs · nodejs-github-bot · Mar 8, 2026
diff --git a/test/fixtures/test426/decoding/scopes/README.md b/test/fixtures/test426/decoding/scopes/README.md
@@ -0,0 +1,18 @@
+## Test cases
+
+- **empty-scopes-field**: Empty original scopes field
+- **nil-scopes**: Multiple null original scopes
+- **close-start-end-position-scopes**: Scopes with very close start and end
+  positions
+- **single-root-original-scope**: A single global root original scope
+- **nested-scopes**: Nested original scopes representing functions and blocks
+- **sibling-scopes**: Multiple sibling top-level functions
+- **scope-variables**: Scopes containing variable declarations
+- **multiple-root-original-scopes-with-nil**: Multiple global root scopes with a
+  null scope in between
+- **sibling-ranges**: Multiple sibling root ranges
+- **nested-ranges**: A root range with a nested function range
+- **range-values**: A root range with a non-function range with bindings
+- **sub-range-values**: A root range with sub-range bindings
+- **range-call-site**: A function inlined into the root scope
+- **hidden-ranges**: A function range corresponding to an original block scope
diff --git a/test/fixtures/test426/decoding/scopes/hidden-ranges.map b/test/fixtures/test426/decoding/scopes/hidden-ranges.map
@@ -0,0 +1,13 @@
+{
+  "version": 3,
+  "file": "hidden-ranges.js",
+  "sources": [
+    "original_0.js"
+  ],
+  "mappings": "",
+  "names": [
+    "global",
+    "block"
+  ],
+  "scopes": "BCAAA,BCBAC,CEA,CFA,ECAA,EPBAC,FEA,FFA"
+}
diff --git a/test/fixtures/test426/decoding/scopes/hidden-ranges.map.golden b/test/fixtures/test426/decoding/scopes/hidden-ranges.map.golden
@@ -0,0 +1,75 @@
+{
+  "file": "hidden-ranges.js",
+  "mappings": [],
+  "sources": [
+    {
+      "url": "original_0.js",
+      "content": null,
+      "ignored": false,
+      "scope": {
+        "start": {
+          "line": 0,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 0
+        },
+        "name": null,
+        "kind": "global",
+        "isStackFrame": false,
+        "variables": [],
+        "children": [
+          {
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
+              "line": 5,
+              "column": 0
+            },
+            "name": null,
+            "kind": "block",
+            "isStackFrame": false,
+            "variables": [],
+            "children": []
+          }
+        ]
+      }
+    }
+  ],
+  "ranges": [
+    {
+      "start": {
+        "line": 0,
+        "column": 0
+      },
+      "end": {
+        "line": 10,
+        "column": 0
+      },
+      "definitionIndex": 0,
+      "stackFrameType": "none",
+      "callSite": null,
+      "bindings": [],
+      "children": [
+        {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 5,
+            "column": 0
+          },
+          "definitionIndex": 1,
+          "stackFrameType": "hidden",
+          "callSite": null,
+          "bindings": [],
+          "children": []
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/fixtures/test426/decoding/scopes/nested-ranges.map b/test/fixtures/test426/decoding/scopes/nested-ranges.map
@@ -0,0 +1,14 @@
+{
+  "version": 3,
+  "file": "nested-ranges.js",
+  "sources": [
+    "original_0.js"
+  ],
+  "mappings": "",
+  "names": [
+    "global",
+    "foo",
+    "function"
+  ],
+  "scopes": "BCAAA,BHBACE,CEA,CFA,ECAA,EGCC,FC,FG"
+}
diff --git a/test/fixtures/test426/decoding/scopes/nested-ranges.map.golden b/test/fixtures/test426/decoding/scopes/nested-ranges.map.golden
@@ -0,0 +1,75 @@
+{
+  "file": "nested-ranges.js",
+  "mappings": [],
+  "sources": [
+    {
+      "url": "original_0.js",
+      "content": null,
+      "ignored": false,
+      "scope": {
+        "start": {
+          "line": 0,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 0
+        },
+        "name": null,
+        "kind": "global",
+        "isStackFrame": false,
+        "variables": [],
+        "children": [
+          {
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
+              "line": 5,
+              "column": 0
+            },
+            "name": "foo",
+            "kind": "function",
+            "isStackFrame": true,
+            "variables": [],
+            "children": []
+          }
+        ]
+      }
+    }
+  ],
+  "ranges": [
+    {
+      "start": {
+        "line": 0,
+        "column": 0
+      },
+      "end": {
+        "line": 0,
+        "column": 10
+      },
+      "definitionIndex": 0,
+      "stackFrameType": "none",
+      "callSite": null,
+      "bindings": [],
+      "children": [
+        {
+          "start": {
+            "line": 0,
+            "column": 2
+          },
+          "end": {
+            "line": 0,
+            "column": 4
+          },
+          "definitionIndex": 1,
+          "stackFrameType": "original",
+          "callSite": null,
+          "bindings": [],
+          "children": []
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/fixtures/test426/decoding/scopes/range-call-site.map b/test/fixtures/test426/decoding/scopes/range-call-site.map
@@ -0,0 +1,14 @@
+{
+  "version": 3,
+  "file": "range-call-site.js",
+  "sources": [
+    "original_0.js"
+  ],
+  "mappings": "",
+  "names": [
+    "global",
+    "inlineMe",
+    "function"
+  ],
+  "scopes": "BCAAA,BHBACE,CEA,CFA,ECAA,EDBAC,IAGC,FK,FJA"
+}
diff --git a/test/fixtures/test426/decoding/scopes/range-call-site.map.golden b/test/fixtures/test426/decoding/scopes/range-call-site.map.golden
@@ -0,0 +1,79 @@
+{
+  "file": "range-call-site.js",
+  "mappings": [],
+  "sources": [
+    {
+      "url": "original_0.js",
+      "content": null,
+      "ignored": false,
+      "scope": {
+        "start": {
+          "line": 0,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 0
+        },
+        "name": null,
+        "kind": "global",
+        "isStackFrame": false,
+        "variables": [],
+        "children": [
+          {
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
+              "line": 5,
+              "column": 0
+            },
+            "name": "inlineMe",
+            "kind": "function",
+            "isStackFrame": true,
+            "variables": [],
+            "children": []
+          }
+        ]
+      }
+    }
+  ],
+  "ranges": [
+    {
+      "start": {
+        "line": 0,
+        "column": 0
+      },
+      "end": {
+        "line": 10,
+        "column": 0
+      },
+      "definitionIndex": 0,
+      "stackFrameType": "none",
+      "callSite": null,
+      "bindings": [],
+      "children": [
+        {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 10
+          },
+          "definitionIndex": 1,
+          "stackFrameType": "none",
+          "callSite": {
+            "sourceIndex": 0,
+            "line": 6,
+            "column": 2
+          },
+          "bindings": [],
+          "children": []
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/fixtures/test426/decoding/scopes/range-values.map b/test/fixtures/test426/decoding/scopes/range-values.map
@@ -0,0 +1,20 @@
+{
+  "version": 3,
+  "file": "range-values.js",
+  "sources": [
+    "original_0.js"
+  ],
+  "mappings": "",
+  "names": [
+    "global",
+    "x",
+    "y",
+    "z",
+    "block",
+    "a",
+    "x_val",
+    "z_val",
+    "a_val"
+  ],
+  "scopes": "BCAAA,DCCC,BCBAI,DE,CEA,CFA,ECAA,GHAI,ECCC,GJ,FC,FG"
+}