feat(day_10): part A done by fixing a performace issue on the file-read

src/exercises/day_10.ts

@@ -14,7 +14,7 @@ interface MachineManual {
 
 export default async function Factory() {
   console.log("== Factory ==");
-  const manual_list = await read_machine_manuals(
+  const manual_list = await read_machine_manuals_quick(
     "src/exercises/assets/day_10_input.txt",
   );
   const min_presses = count_min_button_presses(manual_list);
@@ -27,7 +27,6 @@ export default async function Factory() {
 export function count_min_button_presses(manuals: MachineManual[]): number {
   let total_sum = 0;
   manuals.forEach((manual, m_i) => {
-    console.log(`== Manual ${m_i} out of ${manuals.length}`);
     const wiring_list = manual.button_wirings;
 
     let min_presses = Infinity;
@@ -107,8 +106,7 @@ export async function read_machine_manuals(
   const input_txt = await Deno.readTextFile(path);
   const lines = input_txt.split("\n");
 
-  const manual_list: MachineManual[] = lines.map((line, line_i) => {
+  const manual_list: MachineManual[] = lines.map((line) => {
-    console.log(`== Reading file ${line_i} out of ${lines.length}`);
     const matched_line = line.matchAll(line_regex)?.toArray()?.[0];
     if (matched_line && matched_line.length > 3) {
       const indicators = matched_line[1].toString().split("").map((ch) =>
@@ -131,3 +129,46 @@ export async function read_machine_manuals(
 
   return manual_list;
 }
+
+export async function read_machine_manuals_quick(
+  path: string,
+): Promise<MachineManual[]> {
+  const input_txt = await Deno.readTextFile(path);
+  const lines = input_txt.split("\n");
+
+  const manual_list: MachineManual[] = [];
+
+  lines.forEach((line, line_i) => {
+    const manual: MachineManual = {
+      indicators: [],
+      button_wirings: [],
+      joltage_requirements: [],
+    };
+    line.split(" ").forEach((element) => {
+      if (element.includes("[")) {
+        manual.indicators = element.replaceAll("[", "").replaceAll("]", "")
+          .split("").map((e) => e as Indicator);
+      } else if (element.includes("{")) {
+        manual.joltage_requirements = element.replaceAll("{", "").replaceAll(
+          "}",
+          "",
+        ).split(",").map((e) => parseInt(e));
+      } else if (element.includes("(")) {
+        manual.button_wirings.push(
+          element.replaceAll("(", "").replaceAll(")", "").split(",").map((e) =>
+            parseInt(e)
+          ),
+        );
+      }
+    });
+
+    if (
+      manual.button_wirings.length > 0 &&
+      manual.joltage_requirements.length > 0 && manual.indicators.length > 0
+    ) {
+      manual_list.push(manual);
+    }
+  });
+
+  return manual_list;
+}