1 files changed, 41 insertions, 0 deletions
diff --git a/core/runtime.js b/core/runtime.js
new file mode 100644
index 0000000..11742dc
--- /dev/null
+++ b/core/runtime.js
@@ -0,0 +1,41 @@
+const nodePath = require('path');
+const fs = require('fs');
+
+global.resolve = (command) => {
+    let commands = getCommands();
+
+    let resolved = null;
+
+    for (let file of commands) {
+        if (nodePath.basename(file) === command) {
+            if (fs.lstatSync(file).isSymbolicLink()) {
+                try {
+                    resolved = fs.realpathSync(file);
+                    break;
+                } catch (e) {}
+            } else {
+                resolved = file;
+                break;
+            }
+        }
+    }
+
+    return resolved;
+}
+
+global.getCommands = () => {
+    let path = (process.env ?? global.env).PATH.split(":");
+    let commands = [];
+
+    for (let dir of path) {
+        try {
+            let list = fs.readdirSync(dir);
+
+            for (let file of list) {
+                commands.push(dir + "/" + file);
+            }
+        } catch (e) {}
+    }
+
+    return commands;
+}
+\ No newline at end of file