Issue 4353 - Update Js Shell to version 45

scripts/astDecompile.js

 let global = this;
 function decompileAST(ast) {
   let func = global["decompile" + ast.type];
   if (!func)
     throw "Unknown type " + ast.type;
   return func(ast);
 }
 
 function decompileProgram(ast) {
   return ast.body.map(decompileAST).join('\n');
@@ skipping 229 matching lines @@
     else
       throw "Unknown kind " + prop.kind;
   }
   return "{\n" + props.join(",\n") + "}";
 }
 
 function decompileFunctionExpression(ast) {
   return decompileFunctionDeclaration(ast);
 }
 
-function decompileArrowExpression(ast) {
+function decompileArrowFunctionExpression(ast) {
   let str = "(" + ast.params.map(decompileAST).join(", ") + ")";
   str += " => " + decompileAST(ast.body);
   return str;
 }
 
 function decompileSequenceExpression(ast) {
   return "(" + ast.expressions.map(e => decompileExpr(e, ast)).join(", ") + ")";
 }
 
 function decompileUnaryExpression(ast) {
@@ skipping 139 matching lines @@
   if (typeof ast.value == "string")
     return '"' + sanitize(ast.value, '"') + '"';
   if (ast.value === null)
       return "null";
   return ast.value;
 }
 
 function process_js(ast) {
     _print(decompileAST(ast));
 }