feats::

统一语言配置位置
支持langs继承
支持归类

packages/utils/lib/lang.ts

@@ -0,0 +1,45 @@
+import yaml from 'js-yaml';
+
+export interface LangConfig {
+    compile?: string;
+    execute: string;
+    code_file: string;
+    highlight: string;
+    monaco: string;
+    time_limit_rate: number;
+    display: string;
+    target?: string;
+    sub?: LangConfig[];
+    key: string;
+}
+
+export function parseLang(config: string): Record<string, LangConfig> {
+    const file = yaml.load(config) as Record<string, LangConfig>;
+    if (typeof file === 'undefined' || typeof file === 'string' || typeof file === 'number') throw new Error();
+    Object.keys(file).filter((i) => i.startsWith('_')).forEach((k) => delete file[k]);
+    for (const key in file) {
+        const entry = file[key];
+        if (key.includes('.')) {
+            const base = key.split('.')[0];
+            const baseCfg = file[base];
+            if (baseCfg) {
+                for (const bkey in baseCfg) {
+                    if (!(bkey in entry)) entry[bkey] = baseCfg[bkey];
+                }
+                if (baseCfg.sub) baseCfg.sub.push(entry);
+                else baseCfg.sub = [entry];
+            }
+        }
+    }
+    for (const key in file) {
+        const entry = file[key];
+        entry.highlight = entry.highlight || key;
+        entry.monaco = entry.monaco || entry.highlight;
+        entry.time_limit_rate = entry.time_limit_rate || 1;
+        entry.code_file = entry.code_file || `foo.${key}`;
+        // eslint-disable-next-line no-template-curly-in-string
+        entry.execute = entry.execute || '${dir}/${name}';
+        entry.key = key;
+    }
+    return file;
+}