.

script/predict.ts

@@ -0,0 +1,38 @@
+import { parseTja } from './parse';
+import { factorize, Factors } from './factorize';
+import { join } from 'path';
+import { readFileSync } from 'fs';
+
+async function predict() {
+    const args = process.argv.slice(2);
+    const workingDir = args[0];
+    const scriptDir = args[1];
+    const tjaPath = args[2];
+    const difficulty = (args[3] || 'oni').toLowerCase() as 'oni' | 'edit';
+
+    if (!tjaPath) {
+        console.error('Usage: bun script/predict.ts <working_dir> <script_dir> <tja_path> <difficulty>');
+        process.exit(1);
+    }
+
+    const factorJsonPath = join(scriptDir, 'factor.json');
+    const weights: Factors = JSON.parse(readFileSync(factorJsonPath, 'utf-8'));
+
+    const tjaContent = readFileSync(tjaPath, 'utf-8');
+    const parsed = parseTja(tjaContent);
+
+    if (!parsed || !parsed[difficulty]) {
+        console.error(`Error: Could not find difficulty '${difficulty}' in TJA.`);
+        process.exit(1);
+    }
+
+    const factors = factorize(parsed[difficulty]!);
+    const prediction = Object.keys(factors).reduce((sum, key) => 
+        sum + (factors[key as keyof Factors] * weights[key as keyof Factors]), 0);
+
+    console.log(`Prediction for ${tjaPath} (${difficulty}):`);
+    console.log(`- Predicted Value: ${prediction.toFixed(4)}`);
+    console.log('- Factors:', factors);
+}
+
+predict();