Patch in content of previous block if it exists

Signed-off-by: Marcel Müller <neikos@neikos.email>

src/emit/mod.rs

@@ -122,9 +122,14 @@ fn emit_ast_expr(
                 {
                     previous_post_whitespace_content = post_whitespace_content;
                     if let Some(ws) = prev_whitespace_content {
-                        eval.push(Instruction::AppendContent {
+                        eval.insert(
+                            eval.len() - 2,
+                            Instruction::AppendContent {
                                 content: ws.source().clone(),
-                        });
+                            },
+                        );
+                        let index_index = end_indices.len() - 1;
+                        end_indices[index_index] += 1;
                     }
 
                     if let TemplateAstExpr::IfConditional { expression } = &**expression {

src/emit/snapshots/nomo__emit__tests__check_if_else_if.snap

@@ -21,15 +21,15 @@ expression: emit
     AppendContent {
         content: "foo" (13..16),
     },
+    AppendContent {
+        content: " " (16..17),
+    },
     Jump {
-        jump: 14,
+        jump: 13,
     },
     AppendContent {
         content: " " (12..13),
     },
-    AppendContent {
-        content: " " (16..17),
-    },
     LoadFromContextToSlot {
         name: "bar" (28..31),
         slot: VariableSlot {
@@ -48,28 +48,28 @@ expression: emit
     AppendContent {
         content: "bar" (35..38),
     },
+    AppendContent {
+        content: " " (38..39),
+    },
     Jump {
-        jump: 7,
+        jump: 6,
     },
     AppendContent {
         content: " " (34..35),
     },
-    AppendContent {
-        content: " " (38..39),
-    },
     AppendContent {
         content: " " (49..50),
     },
     AppendContent {
         content: "foobar" (50..56),
     },
+    AppendContent {
+        content: " " (56..57),
+    },
     Jump {
-        jump: 2,
+        jump: 1,
     },
     AppendContent {
         content: " " (49..50),
     },
-    AppendContent {
-        content: " " (56..57),
-    },
 ]

tests/cases/3-instructions@condition.snap

@@ -22,15 +22,15 @@ input_file: tests/cases/condition.nomo
     AppendContent {
         content: "Hello World!" (18..30),
     },
+    AppendContent {
+        content: "\n" (30..31),
+    },
     Jump {
-        jump: 3,
+        jump: 2,
     },
     AppendContent {
         content: "\n    " (13..18),
     },
-    AppendContent {
-        content: "\n" (30..31),
-    },
     AppendContent {
         content: "\n\n" (40..42),
     },

tests/cases/3-instructions@if_else_if.snap

@@ -22,15 +22,15 @@ input_file: tests/cases/if_else_if.nomo
     AppendContent {
         content: "Not Hello World! :C" (18..37),
     },
+    AppendContent {
+        content: "\n" (37..38),
+    },
     Jump {
-        jump: 9,
+        jump: 8,
     },
     AppendContent {
         content: "\n    " (13..18),
     },
-    AppendContent {
-        content: "\n" (37..38),
-    },
     LoadFromContextToSlot {
         name: "another_test" (49..61),
         slot: VariableSlot {
@@ -49,13 +49,13 @@ input_file: tests/cases/if_else_if.nomo
     AppendContent {
         content: "Hello World!" (69..81),
     },
+    AppendContent {
+        content: "\n" (81..82),
+    },
     Jump {
-        jump: 2,
+        jump: 1,
     },
     AppendContent {
         content: "\n    " (64..69),
     },
-    AppendContent {
-        content: "\n" (81..82),
-    },
 ]

tests/cases/4-output@condition.snap

@@ -3,4 +3,4 @@ source: tests/file_tests.rs
 expression: output
 input_file: tests/cases/condition.nomo
 ---
-"\n    Hello World!\n\nmore"
+"\n    Hello World!\n\n\nmore"

tests/cases/4-output@if_else_if.snap

@@ -3,4 +3,4 @@ source: tests/file_tests.rs
 expression: output
 input_file: tests/cases/if_else_if.nomo
 ---
-"\n\n    Hello World!\n"
+"\n    \n    Hello World!\n\n    "