feat: add dir_base template parameter for emitTemplate (#515)

packages/cli/README.md

@@ -64,16 +64,16 @@ Config file format (`config.json`):
 
 By default, PgTyped saves generated files in the same folder as the source files it parses.  
 This behavior can be customized using the `emitTemplate` config parameter.  
-In that template, four parameters are available for interpolation: `root`, `dir`, `base`, `name` and `ext`.  
+In that template, following parameters are available for interpolation: `root`, `dir`, `dir_base`, `base`, `name` and `ext`.  
 For example, when parsing source/query file `/home/user/dir/file.sql`, these parameters are assigned the following values:
 
 ```
-┌─────────────────────┬────────────┐
-│          dir        │    base    │
-├──────┬              ├──────┬─────┤
-│ root │              │ name │ ext │
-"  /    home/user/dir / file  .sql "
-└──────┴──────────────┴──────┴─────┘
+┌───────────────────────────┬────────────┐
+│          dir              │    base    │
+├──────┬─────────┬──────────├──────┬─────┤
+│ root │         │ dir_base │ name │ ext │
+"  /    home/user/    dir   / file  .sql "
+└──────┴────────────────────┴──────┴─────┘
 (All spaces in the "" line should be ignored. They are purely for formatting.)
 ```
 

packages/cli/src/worker.ts

@@ -15,6 +15,10 @@ let connected = false;
 const connection = new AsyncQueue();
 const config: ParsedConfig = worker.workerData;
 
+interface extendedParsedPath extends path.ParsedPath {
+  dir_base: string,
+}
+
 export default async function processFile({
   fileName,
   transform,
@@ -30,7 +34,9 @@ export default async function processFile({
     await startup(config.db, connection);
     connected = true;
   }
-  const ppath = path.parse(fileName);
+  const ppath = path.parse(fileName) as extendedParsedPath;
+  ppath.dir_base = path.basename(ppath.dir);
+
   let decsFileName;
   if (transform.emitTemplate) {
     decsFileName = nun.renderString(transform.emitTemplate, ppath);