ddd

scripts/split-puzzle-patterns.js

@@ -0,0 +1,20 @@
+'use strict';
+const fs=require('fs');
+const path=require('path');
+
+const root=path.resolve(__dirname,'..');
+const corePath=path.join(root,'puzzle-core.js');
+const patternsPath=path.join(root,'puzzle-patterns.js');
+const source=fs.readFileSync(corePath,'utf8');
+const loader="const PuzzlePatterns=root.BendPuzzlePatterns||(typeof module==='object'&&module.exports?require('./puzzle-patterns'):null);\nif(!PuzzlePatterns)throw new Error('BendPuzzlePatterns is not loaded');\nconst MICRO_PATTERN_SETS=PuzzlePatterns.MICRO_PATTERN_SETS;\n";
+
+if(source.includes("require('./puzzle-patterns')")){
+  if(!fs.existsSync(patternsPath))throw new Error('puzzle-core.js is split but puzzle-patterns.js is missing');
+  process.exit(0);
+}
+const start=source.indexOf('const MICRO_PATTERN_SETS='),end=source.indexOf('\nconst H_PORT_PROFILES=',start);
+if(start<0||end<0)throw new Error('Could not locate the generated micro-pattern table');
+const declaration=source.slice(start,end),expression=declaration.slice('const MICRO_PATTERN_SETS='.length,-1);
+const patternModule=`'use strict';\n// Generated puzzle routing patterns, split from puzzle-core.js. Do not edit by hand.\n(function(root,factory){const api=factory();if(typeof module==='object'&&module.exports)module.exports=api;if(root)root.BendPuzzlePatterns=api})(typeof globalThis!=='undefined'?globalThis:this,()=>Object.freeze({MICRO_PATTERN_SETS:Object.freeze(${expression})}));\n`;
+fs.writeFileSync(patternsPath,patternModule);
+fs.writeFileSync(corePath,source.slice(0,start)+loader+source.slice(end+1));