changelog, config inheritance

lib/Sources/ConfigSource.ts

@@ -6,7 +6,9 @@
  */
 
 /* eslint-disable no-await-in-loop */
+import { dirname, join } from 'path';
 import fs from 'fs-extra';
+import { run_regex } from '@sapphirecode/utilities';
 import { OptionProcess } from '../Option';
 import { OptionSource } from './OptionSource';
 
@@ -18,26 +20,48 @@ export class ConfigSource extends OptionSource {
     this._config_files = config_files;
   }
 
+  private async read_json_file (file: string):
+   Promise<Record<string, unknown>> {
+    if (!await fs.pathExists (file))
+      return {};
+    const dir = dirname (file);
+    const contents = await fs.readFile (file, 'utf-8');
+    const obj: Record<string, unknown> = {};
+    const regex = /^#include (?<f>.+)/gmui;
+    const includes: string[] = [];
+    run_regex (regex, contents, (res: {groups:{f:string}}) => {
+      includes.push (join (dir, res.groups.f));
+    });
+    for (const inc of includes) {
+      const data = await this.read_json_file (inc);
+      for (const key of Object.keys (data))
+        obj[key] = data[key];
+    }
+    const config = JSON.parse (contents.replace (regex, ''));
+    for (const key of Object.keys (config))
+      obj[key] = config[key];
+
+    return obj;
+  }
+
   public async parse (options: OptionProcess[]): Promise<void> {
     const data: Record<string, unknown> = {};
     for (const f of this._config_files) {
-      if (await fs.pathExists (f)) {
-        try {
-          const json = JSON.parse (await fs.readFile (f, 'utf-8'));
-          for (const key of Object.keys (json))
-            data[key] = json[key];
-        }
-        catch {
-          continue;
-        }
+      try {
+        const json = await this.read_json_file (f);
+        for (const key of Object.keys (json))
+          data[key] = json[key];
+      }
+      catch {
+        continue;
       }
     }
 
     const keys = Object.keys (data);
 
-    await Promise.all (options.map (async (opt) => {
+    for (const opt of options) {
       if (keys.includes (opt.name))
         await this.assign_arg (opt, data[opt.name]);
-    }));
+    }
   }
 }