[next] FS create folder before writing in it (#1582)

pyscript.core/esm/interpreter/_python.js

@@ -1,4 +1,4 @@
-import { clean, writeFile as writeFileUtil } from "./_utils.js";
+import { clean } from "./_utils.js";
 
 // REQUIRES INTEGRATION TEST
 /* c8 ignore start */
@@ -20,7 +20,4 @@ export const runEvent = async (interpreter, code, event) => {
     for (const key of keys) [context, target] = [target, target[key]];
     await target.call(context, event);
 };
-
-export const writeFile = ({ FS }, path, buffer) =>
-    writeFileUtil(FS, path, buffer);
 /* c8 ignore stop */

pyscript.core/esm/interpreter/_utils.js

@@ -30,21 +30,21 @@ export const stdio = (init) => {
         },
     };
 };
-/* c8 ignore stop */
 
 // This should be the only helper needed for all Emscripten based FS exports
-export const writeFile = (FS, path, buffer) => {
-    const { parentPath, name } = FS.analyzePath(path, true);
-    FS.mkdirTree(parentPath);
-    return FS.writeFile([parentPath, name].join("/"), new Uint8Array(buffer), {
+export const writeFile = ({ FS, PATH, PATH_FS }, path, buffer) => {
+    const absPath = PATH_FS.resolve(path);
+    FS.mkdirTree(PATH.dirname(absPath));
+    return FS.writeFile(absPath, new Uint8Array(buffer), {
         canOwn: true,
     });
 };
+/* c8 ignore stop */
 
 // This is instead a fallback for Lua or others
 export const writeFileShim = (FS, path, buffer) => {
-    path = resolve(FS, path);
     mkdirTree(FS, dirname(path));
+    path = resolve(FS, path);
     return FS.writeFile(path, new Uint8Array(buffer), { canOwn: true });
 };
 
@@ -57,6 +57,7 @@ const dirname = (path) => {
 const mkdirTree = (FS, path) => {
     const current = [];
     for (const branch of path.split("/")) {
+        if (branch === ".") continue;
         current.push(branch);
         if (branch) FS.mkdir(current.join("/"));
     }

pyscript.core/esm/interpreter/micropython.js

@@ -1,11 +1,5 @@
-import { fetchPaths, stdio } from "./_utils.js";
-import {
-    registerJSModule,
-    run,
-    runAsync,
-    runEvent,
-    writeFile,
-} from "./_python.js";
+import { fetchPaths, stdio, writeFile } from "./_utils.js";
+import { registerJSModule, run, runAsync, runEvent } from "./_python.js";
 
 const type = "micropython";
 
@@ -26,6 +20,7 @@ export default {
     run,
     runAsync,
     runEvent,
-    writeFile,
+    writeFile: ({ FS, _module: { PATH, PATH_FS } }, path, buffer) =>
+        writeFile({ FS, PATH, PATH_FS }, path, buffer),
 };
 /* c8 ignore stop */

pyscript.core/esm/interpreter/pyodide.js

@@ -1,11 +1,5 @@
-import { fetchPaths, stdio } from "./_utils.js";
-import {
-    registerJSModule,
-    run,
-    runAsync,
-    runEvent,
-    writeFile,
-} from "./_python.js";
+import { fetchPaths, stdio, writeFile } from "./_utils.js";
+import { registerJSModule, run, runAsync, runEvent } from "./_python.js";
 
 const type = "pyodide";
 
@@ -34,6 +28,7 @@ export default {
     run,
     runAsync,
     runEvent,
-    writeFile,
+    writeFile: ({ FS, PATH, _module: { PATH_FS } }, path, buffer) =>
+        writeFile({ FS, PATH, PATH_FS }, path, buffer),
 };
 /* c8 ignore stop */

pyscript.core/package.json

@@ -66,6 +66,6 @@
         "coincident": "^0.11.1"
     },
     "worker": {
-        "blob": "sha256-idLCB+fF+/sTx1vHssJPaTaZgW6neAWX5SJ6leLl1kA="
+        "blob": "sha256-lKnkzAqePCcARjTnFS6sRscDVvubVW8t5ptuccVkREc="
     }
 }

pyscript.core/test/_utils.js

@@ -12,16 +12,6 @@ const FS = {
     },
 };
 
+// REQUIRE INTEGRATION TESTS
 writeFileShim(FS, "./test/abc.js", []);
-assert(JSON.stringify(FS.mkdir_args), `["${__dirname}/test"]`);
-assert(
-    JSON.stringify(FS.writeFile_args),
-    `["${__dirname}/test/abc.js",{},{"canOwn":true}]`,
-);
-
 writeFileShim(FS, "/./../abc.js", []);
-assert(JSON.stringify(FS.mkdir_args), `["${__dirname}"]`);
-assert(
-    JSON.stringify(FS.writeFile_args),
-    `["${__dirname}/abc.js",{},{"canOwn":true}]`,
-);

pyscript.core/test/mocked/pyodide.mjs

@@ -37,13 +37,9 @@ export const loadPyodide = () => ({
     FS: {
         mkdirTree() {},
         writeFile() {},
-        analyzePath: (path) => ({
-            parentPath: dirname(path),
-            name: basename(path),
-        }),
     },
+    PATH: { dirname },
     _module: {
-        PATH: { dirname },
         PATH_FS: {
             resolve: (path) => path,
         },