Refresh Configs with browser editing and source inspection

src/lib/config-workbench.ts

@@ -0,0 +1,66 @@
+export interface ConfigSource {
+    id: number | null;
+    name: string;
+    version: number | null;
+    kind: 'baseline' | 'config' | 'map';
+    draft?: boolean;
+}
+
+export interface ConfigAssignment {
+    value: string;
+    source: ConfigSource;
+    line: number;
+}
+
+export interface ConfigSetting {
+    key: string;
+    value: string;
+    source: ConfigSource;
+    history: ConfigAssignment[];
+}
+
+export interface ConfigInspection {
+    text: string;
+    settings: ConfigSetting[];
+    sources: ConfigSource[];
+    warnings: string[];
+    reason?: string;
+}
+
+export interface ConfigServer { name: string; game: string | null; map: string | null; }
+
+/** The same lowercase `set` grammar that the overlay composer accepts. */
+export function configLines(text: string) {
+    return text.split(/\r?\n/).flatMap((line, index) => {
+        const match = /^(\s*set\s+)(\S+)(\s+)(.*)$/.exec(line);
+        return match ? [{ index, key: match[2], value: match[4], prefix: match[1] + match[2] + match[3] }] : [];
+    });
+}
+
+export function changeConfigValue(text: string, index: number, value: string): string {
+    // Keep every separator, comment and unrelated line byte-for-byte intact.
+    const parts = text.split(/(\r?\n)/);
+    const entry = configLines(text).find(line => line.index === index);
+    if (entry) parts[index * 2] = entry.prefix + value.replace(/[\r\n]/g, '');
+    return parts.join('');
+}
+
+export function configWarnings(text: string, overlay: boolean): string[] {
+    const warnings: string[] = [];
+    const seen = new Map<string, number>();
+    for (const entry of configLines(text)) {
+        const key = entry.key.toLowerCase();
+        if (seen.has(key)) warnings.push(`Line ${entry.index + 1}: ${entry.key} is also assigned on line ${seen.get(key)}.`);
+        seen.set(key, entry.index + 1);
+        if (!entry.value.trim() || entry.value.trim().startsWith('//')) warnings.push(`Line ${entry.index + 1}: ${entry.key} has no value.`);
+    }
+    if (overlay) text.split(/\r?\n/).forEach((line, index) => {
+        if (line.trim() && !/^\s*\/\//.test(line) && !/^\s*set\s+\S+\s+/.test(line)) {
+            warnings.push(`Line ${index + 1} is ignored by overlays. Use set KEY VALUE.`);
+        }
+    });
+    if (/^\s*(?:(?:set|seta)\s+)?sv_maprotation\s+/im.test(text)) {
+        warnings.push('For recognized maps, the server’s selected map overrides sv_maprotation.');
+    }
+    return warnings;
+}