(wasm) webdriver-based tests for JS/TS apis, update README

veilid-wasm/wasm_setup_check.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+set -eo pipefail
+
+SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+pushd "$SCRIPTDIR" &> /dev/null
+
+OS="unknown"
+if [ "$(uname)" == "Linux" ]; then
+    if [ ! "$(grep -Ei 'debian|buntu|mint' /etc/*release)" ]; then
+        echo "Not a supported Linux for this script"
+        exit 1
+    fi
+    OS="linux"
+elif [ "$(uname)" == "Darwin" ]; then
+    OS="macos"
+fi
+if [ "$OS" == "unknown" ]; then
+    echo "Not a supported operating system for this script"
+    exit 1
+fi
+
+if command -v node &> /dev/null; then 
+    echo '[X] NodeJS is available in the path'
+else
+    echo -e 'NodeJS is not available in the path.
+  Install NodeJS from here: https://nodejs.org/en/download
+  Or from a package manager: https://nodejs.org/en/download/package-manager'
+    exit 1
+fi
+
+
+if command -v npm &> /dev/null; then 
+    echo '[X] npm is available in the path'
+else
+    echo -e 'npm is not available in the path. It should have been installed with NodeJS.
+  Install NodeJS from here: https://nodejs.org/en/download
+  Or from a package manager: https://nodejs.org/en/download/package-manager'
+    exit 1
+fi
+
+popd &> /dev/null