Ensure unqualified program names are present on PATH before executing them.

node_modules/@chrisgavin/safe-which/build/index.js

@@ -0,0 +1,40 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.safeWhich = exports.isWindows = void 0;
+const fs = require("fs");
+const path = require("path");
+exports.isWindows = process.platform === "win32";
+const pathSeparator = exports.isWindows ? ";" : ":";
+const defaultPathExt = exports.isWindows ? [".com", ".exe", ".bat", ".cmd"] : [""];
+async function safeWhich(program) {
+    if (program.includes("/") || (program.includes("\\") && exports.isWindows)) {
+        // If the path contains slashes it's either absolute or relative and should not be searched for.
+        return program;
+    }
+    let pathValue = process.env.PATH;
+    if (pathValue === undefined) {
+        throw new Error(`Could not resolve program ${program} because no PATH environment variable was set.`);
+    }
+    let searchPaths = pathValue.split(pathSeparator);
+    let pathExts = defaultPathExt;
+    if (exports.isWindows && process.env.PATHEXT !== undefined) {
+        pathExts = process.env.PATHEXT.split(pathSeparator);
+    }
+    for (let searchPath of searchPaths) {
+        for (let pathExt of pathExts) {
+            let completePath = path.join(searchPath, program + pathExt);
+            try {
+                await fs.promises.access(completePath, fs.constants.X_OK);
+                return completePath;
+            }
+            catch (err) {
+                if (err.code !== "ENOENT") {
+                    throw err;
+                }
+            }
+        }
+    }
+    throw new Error(`Could not find program ${program} on PATH.`);
+}
+exports.safeWhich = safeWhich;
+//# sourceMappingURL=index.js.map