fix suboptimal code

examples/fib_require.js

@@ -0,0 +1,9 @@
+function fib(n)
+{
+    if (n <= 0)
+        return 0;
+    else if (n == 1)
+        return 1;
+    else
+        return fib(n - 1) + fib(n - 2);
+}

examples/hello-require.js

@@ -0,0 +1,6 @@
+/* example of JS module */
+
+const fibModule = require("./fib_require.js");
+
+console.log("Hello World");
+console.log("fib(10)=", fib(10));

qjs.c

@@ -98,6 +98,34 @@ static int eval_file(JSContext *ctx, const char *filename, int module)
         eval_flags = JS_EVAL_TYPE_MODULE;
     else
         eval_flags = JS_EVAL_TYPE_GLOBAL;
+
+    //POLYFILLS BEGIN 
+    const char *pf = "globalThis.global = globalThis;\n"
+        "global.console.error = console.log\n"
+        "global.console.warn = console.log\n"
+        "globalThis.breakFunction = () => { throw new Error('Function Break'); };\n"
+        "\n"
+        "if (typeof os !== 'undefined') {\n"
+        "    globalThis.sleep = os.sleep;\n"
+        "    async function setTimeout2(func, ms) {globalThis.clearTimeout = false; await sleep(ms); if (!clearTimeout) { func(); } }\n"
+        "    globalThis.setTimeout = setTimeout2\n"
+        "} else {\n"
+        "    console.error('os is not defined.');\n"
+        "}\n"
+        "\n"
+        "if (typeof std !== 'undefined') {\n"
+        "    globalThis.urlGet = std.urlGet;\n"
+        "    globalThis.loadFile = std.loadFile;\n"
+        "    globalThis.printf = console.log;\n"
+        "    globalThis.evalFile = std.loadScript;\n"
+        "    globalThis.require = std.loadScript;\n"
+        "    globalThis.getURL = std.urlGet;\n"
+        "} else {\n"
+        "    console.error('std is not defined.');\n"
+        "}\n";
+
+
+    eval_buf(ctx, pf, strlen(pf), "<input>", JS_EVAL_TYPE_MODULE);
     ret = eval_buf(ctx, buf, buf_len, filename, eval_flags);
     js_free(ctx, buf);
     return ret;
@@ -520,15 +548,10 @@ int main(int argc, char **argv)
         }
 
         //POLYFILLS BEGIN 
-        const char *pf = "async function require(x) {\n"
+        const char *pf = "globalThis.global = globalThis;\n"
-                 "    const y = await import(x);\n"
-                 "    return y;\n"
-                 "}\n"
-                 "globalThis.require = require;\n"
-                 "globalThis.global = globalThis;\n"
                  "global.console.error = console.log\n"
                  "global.console.warn = console.log\n"
-                 "globalThis.break = () => { throw new Error('Break'); };\n"
+                 "globalThis.breakFunction = () => { throw new Error('Function Break'); };\n"
                  "\n"
                  "if (typeof os !== 'undefined') {\n"
                  "    globalThis.sleep = os.sleep;\n"
@@ -543,6 +566,7 @@ int main(int argc, char **argv)
                  "    globalThis.loadFile = std.loadFile;\n"
                  "    globalThis.printf = console.log;\n"
                  "    globalThis.evalFile = std.loadScript;\n"
+                 "    globalThis.require = std.loadScript;\n"
                  "    globalThis.getURL = std.urlGet;\n"
                  "} else {\n"
                  "    console.error('std is not defined.');\n"

test.js

@@ -0,0 +1,5 @@
+function test() {
+breakFunction();
+console.warn("lol it works!");
+}
+test()