fix(es): Fix sourcemap (#1548)

swc_ecma_codegen:
 - Consider indentions while calculating starting point of source map entries. (denoland/deno#10014)

ecmascript/codegen/src/text_writer/basic_impl.rs

@@ -76,16 +76,17 @@ impl<'a, W: Write> JsWriter<'a, W> {
         let mut cnt = 0;
 
         if !data.is_empty() {
+            if self.line_start {
+                cnt += self.write_indent_string()?;
+                self.line_start = false;
+            }
+
             if let Some(span) = span {
                 if !span.is_dummy() {
                     self.srcmap(span.lo())
                 }
             }
 
-            if self.line_start {
-                cnt += self.write_indent_string()?;
-                self.line_start = false;
-            }
             cnt += self.raw_write(data.as_bytes())?;
 
             if let Some(span) = span {

tests/fixture/deno-10014/case1/input/.swcrc

@@ -0,0 +1,3 @@
+{
+  "sourceMaps": true
+}

tests/fixture/deno-10014/case1/input/index.ts

@@ -0,0 +1,14 @@
+import "./errors.ts";
+
+function a() {
+    t();
+}
+
+function t(x = false) {
+    if (x) {
+        throw new Error("Hello");
+    }
+    t(!0);
+}
+
+a();

tests/fixture/deno-10014/case1/output/index.map

@@ -0,0 +1,11 @@
+{
+  "mappings": "UAAO,WAAa;SAEX,CAAC;IACN,CAAC;;SAGI,CAAC,CAAC,KAAS;QAAT,CAAC,GAAD,KAAS,cAAL,KAAK,GAAT,KAAS;QACZ,CAAC;kBACS,KAAK,EAAC,KAAO;;IAE3B,CAAC,EAAE,CAAC;;AAGR,CAAC",
+  "names": [],
+  "sources": [
+    "$DIR/tests/fixture/deno-10014/case1/input/index.ts"
+  ],
+  "sourcesContent": [
+    "import \"./errors.ts\";\n\nfunction a() {\n    t();\n}\n\nfunction t(x = false) {\n    if (x) {\n        throw new Error(\"Hello\");\n    }\n    t(!0);\n}\n\na();"
+  ],
+  "version": 3
+}

tests/fixture/deno-10014/case1/output/index.ts

@@ -0,0 +1,12 @@
+import   "./errors.ts";
+function a() {
+    t();
+}
+function t(param) {
+    var x = param === void 0 ? false : param;
+    if (x) {
+        throw new Error("Hello");
+    }
+    t(!0);
+}
+a();

tests/fixture/issue-1309/case1/output/index.map

@@ -1 +1,11 @@
-{"version":3,"sources":["$DIR/tests/fixture/issue-1309/case1/input/index.ts"],"sourcesContent":["/n/nexport const foo = 1;"],"names":[],"mappings":";;;;;MAEa,GAAG,GAAG,CAAC;QAAP,GAAG,GAAH,GAAG"}
+{
+  "mappings": ";;;;;MAEa,GAAG,GAAG,CAAC;QAAP,GAAG,GAAH,GAAG",
+  "names": [],
+  "sources": [
+    "$DIR/tests/fixture/issue-1309/case1/input/index.ts"
+  ],
+  "sourcesContent": [
+    "\n\nexport const foo = 1;"
+  ],
+  "version": 3
+}

tests/projects.rs

@@ -611,7 +611,12 @@ fn tests(dir: PathBuf) {
                             .compare_to_file(output.join(entry.file_name()))
                             .unwrap();
 
-                        NormalizedOutput::from(v.map.unwrap_or_default())
+                        let map = v.map.map(|json| {
+                            let json: serde_json::Value = serde_json::from_str(&json).unwrap();
+                            serde_json::to_string_pretty(&json).unwrap()
+                        });
+
+                        NormalizedOutput::from(map.unwrap_or_default())
                             .compare_to_file(
                                 output
                                     .join(entry.path().with_extension("map").file_name().unwrap()),