0.0.3: fix entryNames of sources files included by html in a subdir (they didnt keep their relative address...)

test/multi-entry/fixtures/admin/batman.js

@@ -0,0 +1,2 @@
+export const b = ()=>'batman';
+console.log(b());

test/multi-entry/fixtures/admin/index.html

@@ -8,5 +8,6 @@
             import {adminDeps} from "../app/admin-deps.js";
             bootstrap(document.getElementById('root'), adminDeps());
         </script>
+        <script src="./batman.js" type="module"></script>
     </body>
 </html>

test/multi-entry/snapshots/test.js.md

@@ -9,6 +9,36 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     [
+      {
+        code: `const b = ()=>'batman';␊
+        console.log(b());␊
+        ␊
+        export { b };␊
+        //# sourceMappingURL=batman-c7fa228c.js.map␊
+        `,
+        fileName: 'admin/batman-c7fa228c.js',
+        map: SourceMap {
+          file: 'batman-c7fa228c.js',
+          mappings: 'AAAY,MAAC,CAAC,GAAG,IAAI,SAAS;AAC9B,OAAO,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC;;;;',
+          names: [],
+          sources: [
+            '../../admin/batman.js',
+          ],
+          sourcesContent: [
+            `export const b = ()=>'batman';␊
+            console.log(b());␊
+            `,
+          ],
+          version: 3,
+        },
+        source: undefined,
+      },
+      {
+        code: undefined,
+        fileName: 'admin/batman-c7fa228c.js.map',
+        map: undefined,
+        source: '{"version":3,"file":"batman-c7fa228c.js","sources":["../../admin/batman.js"],"sourcesContent":["export const b = ()=>\'batman\';\\nconsole.log(b());\\n"],"names":[],"mappings":"AAAY,MAAC,CAAC,GAAG,IAAI,SAAS;AAC9B,OAAO,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC;;;;"}',
+      },
       {
         code: undefined,
         fileName: 'admin/index.html',
@@ -24,17 +54,18 @@ Generated by [AVA](https://avajs.dev).
         }␊
         ␊
         bootstrap(document.getElementById('root'), adminDeps());␊
-        //# sourceMappingURL=index.html.body.script.js-15dfaff3.js.map␊
+        //# sourceMappingURL=index.html.body.script0.js-15dfaff3.js.map␊
         </script>␊
+                <script src="batman-c7fa228c.js" type="module"></script>␊
             ␊
         ␊
         </body></html>`,
       },
       {
         code: undefined,
-        fileName: 'admin/index.html.body.script.js-15dfaff3.js.map',
+        fileName: 'admin/index.html.body.script0.js-15dfaff3.js.map',
         map: undefined,
-        source: '{"version":3,"file":"index.html.body.script.js-15dfaff3.js","sources":["../../app/admin-deps.js","../../admin/index.html.body.script.js"],"sourcesContent":["export function adminDeps(){\\n    return \\"robin!\\";\\n}\\n","\\n            import {bootstrap} from \\"../app/app.js\\"\\n            import {adminDeps} from \\"../app/admin-deps.js\\";\\n            bootstrap(document.getElementById(\'root\'), adminDeps());\\n        "],"names":[],"mappings":";;AAAO,SAAS,SAAS,EAAE;AAC3B,IAAI,OAAO,QAAQ,CAAC;AACpB;;ACCY,SAAS,CAAC,QAAQ,CAAC,cAAc,CAAC,MAAM,CAAC,EAAE,SAAS,EAAE,CAAC"}',
+        source: '{"version":3,"file":"index.html.body.script0.js-15dfaff3.js","sources":["../../app/admin-deps.js","../../admin/index.html.body.script0.js"],"sourcesContent":["export function adminDeps(){\\n    return \\"robin!\\";\\n}\\n","\\n            import {bootstrap} from \\"../app/app.js\\"\\n            import {adminDeps} from \\"../app/admin-deps.js\\";\\n            bootstrap(document.getElementById(\'root\'), adminDeps());\\n        "],"names":[],"mappings":";;AAAO,SAAS,SAAS,EAAE;AAC3B,IAAI,OAAO,QAAQ,CAAC;AACpB;;ACCY,SAAS,CAAC,QAAQ,CAAC,cAAc,CAAC,MAAM,CAAC,EAAE,SAAS,EAAE,CAAC"}',
       },
       {
         code: `const bootstrap = (el,deps = [])=>{␊