Refactor: new write strategy (#58)

Build/lib/rules/ip.ts

@@ -1,75 +1,21 @@
 import type { Span } from '../../trace';
-import { appendArrayInPlace } from '../append-array-in-place';
-import { appendSetElementsToArray } from 'foxts/append-set-elements-to-array';
-import type { SingboxSourceFormat } from '../singbox';
-import { RuleOutput } from './base';
+import type { BaseWriteStrategy } from '../writing-strategy/base';
+import { ClashClassicRuleSet, ClashIPSet } from '../writing-strategy/clash';
+import { SingboxSource } from '../writing-strategy/singbox';
+import { SurgeRuleSet } from '../writing-strategy/surge';
+import { FileOutput } from './base';
 
-import { merge } from 'fast-cidr-tools';
-
-type Preprocessed = string[];
-
-export class IPListOutput extends RuleOutput<Preprocessed> {
+export class IPListOutput extends FileOutput {
   protected type = 'ip' as const;
+  strategies: Array<false | BaseWriteStrategy>;
 
   constructor(span: Span, id: string, private readonly clashUseRule = true) {
     super(span, id);
-  }
 
-  mitmSgmodule = undefined;
-
-  protected preprocess() {
-    const results: string[] = [];
-    appendArrayInPlace(
-      results,
-      merge(
-        appendSetElementsToArray(Array.from(this.ipcidrNoResolve), this.ipcidr),
-        true
-      )
-    );
-    appendSetElementsToArray(results, this.ipcidr6NoResolve);
-    appendSetElementsToArray(results, this.ipcidr6);
-
-    return results;
-  }
-
-  private $surge: string[] | null = null;
-
-  surge(): string[] {
-    if (!this.$surge) {
-      const results: string[] = ['DOMAIN,this_ruleset_is_made_by_sukkaw.ruleset.skk.moe'];
-
-      appendArrayInPlace(
-        results,
-        merge(Array.from(this.ipcidrNoResolve)).map(i => `IP-CIDR,${i},no-resolve`, true)
-      );
-      appendSetElementsToArray(results, this.ipcidr6NoResolve, i => `IP-CIDR6,${i},no-resolve`);
-      appendArrayInPlace(
-        results,
-        merge(Array.from(this.ipcidr)).map(i => `IP-CIDR,${i}`, true)
-      );
-      appendSetElementsToArray(results, this.ipcidr6, i => `IP-CIDR6,${i}`);
-
-      this.$surge = results;
-    }
-    return this.$surge;
-  }
-
-  clash(): string[] {
-    if (this.clashUseRule) {
-      return this.surge();
-    }
-
-    return this.$preprocessed;
-  }
-
-  singbox(): string[] {
-    const singbox: SingboxSourceFormat = {
-      version: 2,
-      rules: [{
-        domain: ['this_ruleset_is_made_by_sukkaw.ruleset.skk.moe'],
-        ip_cidr: this.$preprocessed
-      }]
-    };
-    return RuleOutput.jsonToLines(singbox);
+    this.strategies = [
+      new SurgeRuleSet(this.type),
+      this.clashUseRule ? new ClashClassicRuleSet(this.type) : new ClashIPSet(),
+      new SingboxSource(this.type)
+    ];
   }
 }