Support for svelte v3.46 syntax (#91)

Author: ota-meshi

package.json

@@ -56,7 +56,7 @@
     "debug": "^4.3.1",
     "eslint-utils": "^3.0.0",
     "sourcemap-codec": "^1.4.8",
-    "svelte-eslint-parser": "^0.9.0"
+    "svelte-eslint-parser": "^0.10.0"
   },
   "peerDependencies": {
     "eslint": "^7.0.0 || ^8.0.0-0",

src/rules/indent-helpers/svelte.ts

@@ -206,6 +206,15 @@ export function defineVisitor(context: IndentContext): NodeListener {
       const closeToken = sourceCode.getLastToken(node)
       offsets.setOffsetElementList(node.identifiers, openToken, closeToken, 1)
     },
+    SvelteConstTag(node: AST.SvelteConstTag) {
+      const openToken = sourceCode.getFirstToken(node)
+      const constToken = sourceCode.getTokenAfter(openToken)
+      const declarationToken = sourceCode.getFirstToken(node.declaration)
+      const closeToken = sourceCode.getLastToken(node)
+      offsets.setOffsetToken(constToken, 1, openToken)
+      offsets.setOffsetToken(declarationToken, 1, openToken)
+      offsets.setOffsetToken(closeToken, 0, openToken)
+    },
     // ----------------------------------------------------------------------
     // BLOCKS
     // ----------------------------------------------------------------------

tests/fixtures/rules/indent/invalid/const-tag01-errors.json

@@ -0,0 +1,47 @@
+[
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 8,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 4 spaces but found 0 spaces.",
+    "line": 9,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 4 spaces but found 0 spaces.",
+    "line": 10,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 6 spaces but found 0 spaces.",
+    "line": 11,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 6 spaces but found 0 spaces.",
+    "line": 12,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 8 spaces but found 0 spaces.",
+    "line": 13,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 8 spaces but found 0 spaces.",
+    "line": 14,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 15,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 16,
+    "column": 1
+  }
+]

tests/fixtures/rules/indent/invalid/const-tag01-input.svelte

@@ -0,0 +1,17 @@
+<!-- prettier-ignore -->
+<script>
+  export let boxes;
+</script>
+
+<!-- prettier-ignore -->
+{#each boxes as box}
+{
+@const
+area
+=
+box.width
+*
+box.height
+}
+{box.width} * {box.height} = {area}
+{/each}

tests/fixtures/rules/indent/invalid/const-tag01-output.svelte

@@ -0,0 +1,17 @@
+<!-- prettier-ignore -->
+<script>
+  export let boxes;
+</script>
+
+<!-- prettier-ignore -->
+{#each boxes as box}
+  {
+    @const
+    area
+      =
+      box.width
+        *
+        box.height
+  }
+  {box.width} * {box.height} = {area}
+{/each}

tests/fixtures/rules/indent/invalid/deubg-tag01-errors.json

@@ -0,0 +1,22 @@
+[
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 3,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 4,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 5,
+    "column": 1
+  },
+  {
+    "message": "Expected indentation of 2 spaces but found 0 spaces.",
+    "line": 6,
+    "column": 1
+  }
+]

tests/fixtures/rules/indent/invalid/deubg-tag01-input.svelte

@@ -0,0 +1,7 @@
+<!-- prettier-ignore -->
+{
+@debug
+var1
+,
+var2
+}

tests/fixtures/rules/indent/invalid/deubg-tag01-output.svelte

@@ -0,0 +1,7 @@
+<!-- prettier-ignore -->
+{
+  @debug
+  var1
+  ,
+  var2
+}