fix order of injected files

internal/bundler/bundler_default_test.go

@@ -3133,3 +3133,38 @@ func TestInjectImportTS(t *testing.T) {
 		},
 	})
 }
+
+func TestInjectImportOrder(t *testing.T) {
+	default_suite.expectBundled(t, bundled{
+		files: map[string]string{
+			"/entry.ts": `
+				import 'third'
+				console.log('third')
+			`,
+			"/inject-1.js": `
+				import 'first'
+				console.log('first')
+			`,
+			"/inject-2.js": `
+				import 'second'
+				console.log('second')
+			`,
+		},
+		entryPaths: []string{"/entry.ts"},
+		options: config.Options{
+			Mode:          config.ModeBundle,
+			AbsOutputFile: "/out.js",
+			InjectAbsPaths: []string{
+				"/inject-1.js",
+				"/inject-2.js",
+			},
+			ExternalModules: config.ExternalModules{
+				NodeModules: map[string]bool{
+					"first":  true,
+					"second": true,
+					"third":  true,
+				},
+			},
+		},
+	})
+}

internal/bundler/snapshots/snapshots_default.txt

@@ -769,6 +769,21 @@ console.log(replace.test);
 console.log(collide);
 console.log(external_pkg.re_export);
 
+================================================================================
+TestInjectImportOrder
+---------- /out.js ----------
+// /inject-1.js
+import "first";
+console.log("first");
+
+// /inject-2.js
+import "second";
+console.log("second");
+
+// /entry.ts
+import "third";
+console.log("third");
+
 ================================================================================
 TestInjectImportTS
 ---------- /out.js ----------

internal/js_parser/js_parser.go

@@ -10165,8 +10165,11 @@ func Parse(log logger.Log, source logger.Source, options config.Options) (result
 		stmts = append(append(make([]js_ast.Stmt, 0, len(stmts)+1), importMetaStmt), stmts...)
 	}
 
+	var before []js_ast.Part
+	var parts []js_ast.Part
+	var after []js_ast.Part
+
 	// Insert any injected import statements now that symbols have been declared
-	parts := []js_ast.Part{}
 	for _, file := range p.InjectedFiles {
 		exportsNoConflict := make([]string, 0, len(file.Exports))
 		symbols := make(map[string]js_ast.Ref)
@@ -10178,7 +10181,7 @@ func Parse(log logger.Log, source logger.Source, options config.Options) (result
 				exportsNoConflict = append(exportsNoConflict, alias)
 			}
 		}
-		parts = p.generateImportStmt(file.Path, exportsNoConflict, file.SourceIndex, parts, symbols)
+		before = p.generateImportStmt(file.Path, exportsNoConflict, file.SourceIndex, before, symbols)
 	}
 
 	// Bind symbols in a second pass over the AST. I started off doing this in a
@@ -10190,8 +10193,6 @@ func Parse(log logger.Log, source logger.Source, options config.Options) (result
 		parts = p.appendPart(parts, stmts)
 	} else {
 		// When bundling, each top-level statement is potentially a separate part
-		var before []js_ast.Part
-		var after []js_ast.Part
 		for _, stmt := range stmts {
 			switch s := stmt.Data.(type) {
 			case *js_ast.SLocal:
@@ -10218,9 +10219,9 @@ func Parse(log logger.Log, source logger.Source, options config.Options) (result
 				parts = p.appendPart(parts, []js_ast.Stmt{stmt})
 			}
 		}
-		parts = append(append(before, parts...), after...)
 	}
 
+	parts = append(append(before, parts...), after...)
 	result = p.toAST(source, parts, hashbang, directive)
 	result.SourceMapComment = p.lexer.SourceMappingURL
 	return