Gère les fichiers .md générés.

lib/pandoc.js

-import { callbackify } from "util";
+import { callbackify, promisify } from "util";
 import exec from "./exec";
+import fs from "fs";
 import logger from "gulplog";
 import { merge } from "merge-anything";
+import { mkTempFile } from "./tempdir";
 import { obj } from "through2";
 import path from "path";
+import PluginError from "plugin-error";
+
+const writeFile = promisify(fs.writeFile);
+const exists = promisify(fs.exists);
 
 const PLUGIN_NAME = "pandoc";
 
@@ -44,13 +50,39 @@ export default function pandoc(options = {}) {
   return obj(
     callbackify(
       /**
-       * @param {File} input
+       * @param {import("vinyl")} input
        */
       async function (input) {
         const output = input.clone({ contents: false });
         output.extname = ".html";
         output.contents = null;
 
+        if (!(await exists(input.path))) {
+          const tmpFile = await mkTempFile(input);
+          if (input.isStream()) {
+            const write = fs.createWriteStream(tmpFile.path);
+            try {
+              const done = new Promise((resolve, reject) => {
+                write.on("close", () => resolve());
+                input.on("error", reject);
+                write.on("error", reject);
+              });
+              input.contents.pipe(write);
+              await done;
+            } finally {
+              write.close();
+            }
+          } else if (input.isBuffer()) {
+            await writeFile(tmpFile.path, input.contents, {});
+          } else {
+            throw new PluginError(
+              PLUGIN_NAME,
+              `cannot handle input ${input.inspect()}`
+            );
+          }
+          input = tmpFile;
+        }
+
         const args = [
           "--from=markdown+backtick_code_blocks+pandoc_title_block+yaml_metadata_block",
           "--to=revealjs",