feat: input page (wip)

src/lib/factory.ts

@@ -15,15 +15,19 @@ export class DomainFactory {
     this.words.english = this.initWords(englishWords);
   }
 
+  escapeWord(word: string): string {
+    return word
+      .normalize("NFD")
+      .toLowerCase()
+      .replace(/[^a-z0-9-]/g, "")
+      .trim();
+  }
+
   initWords(raw: string): string[] {
     return raw
       .split("\n")
       .map((word) => {
-        word = word
-          .normalize("NFD")
-          .toLowerCase()
-          .replace(/[^a-z0-9-]/g, "")
-          .trim();
+        word = this.escapeWord(word);
         if (word.length == 0) {
           return null;
         }
@@ -40,13 +44,12 @@ export class DomainFactory {
     return randomElement(this.words[lang]);
   }
 
-  randomDomain(lang: string): string | null {
-    const word = this.randomWord(lang);
+  randomDomain(word: string): string | null {
     for (const tld of shuffled(TLD_LIST.slice())) {
       const tldEscaped: string = tld.replace(".", "");
       if (word.endsWith(tldEscaped) && word.length > tldEscaped.length + 2) {
         const domain = `${word.substring(0, word.length - tldEscaped.length)}.${tld}`;
-        if (!domain.includes("-.")) {
+        if (!domain.includes("-.") && !this.generated.includes(domain)) {
           this.generated.push(domain);
           return domain;
         }
@@ -60,7 +63,8 @@ export class DomainFactory {
       let k = 10000;
       while (k > 0) {
         k--;
-        const domain = this.randomDomain(lang);
+        const word = this.randomWord(lang);
+        const domain = this.randomDomain(word);
         if (domain) {
           resolve(domain);
           return;
@@ -70,4 +74,20 @@ export class DomainFactory {
       reject(new Error(this.error));
     });
   }
+
+  nextFromWord(word: string): Promise<string> {
+    const escapedWord = this.escapeWord(word.replace(/ /gm, "-"));
+    return new Promise((resolve, reject) => {
+      let k = 10000;
+      while (k > 0) {
+        k--;
+        const domain = this.randomDomain(escapedWord);
+        if (domain) {
+          resolve(domain);
+          return;
+        }
+      }
+      reject(new Error("Could not generate a valid domain"));
+    });
+  }
 }