Build: Switch to CMake :^)

Closes https://github.com/SerenityOS/serenity/issues/2080

Libraries/LibJS/Tests/run-tests.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+if [ "$(uname)" = "SerenityOS" ]; then
+    js_program=/bin/js
+else
+    [ -z "$js_program" ] && js_program="$SERENITY_ROOT/Build/Meta/Lagom/js"
+
+    # Enable back traces if sanitizers are enabled
+    export UBSAN_OPTIONS=print_stacktrace=1
+fi
+
+pass_count=0
+fail_count=0
+count=0
+
+GLOBIGNORE=test-common.js
+for f in *.js; do
+    result="$("$js_program" "$@" -t "$f" 2>/dev/null)"
+    if [ "$result" = "PASS" ]; then
+        (( ++pass_count ))
+        echo -ne "( \033[32;1mPass\033[0m ) "
+    else
+        echo -ne "( \033[31;1mFail\033[0m ) "
+        (( ++fail_count ))
+    fi
+    echo "$f"
+    (( ++count ))
+done
+
+pass_color=""
+fail_color=""
+color_off="\033[0m"
+
+exit_code=0
+
+if (( pass_count > 0 )); then
+    pass_color="\033[32;1m"
+fi
+
+if (( fail_count > 0 )); then
+    fail_color="\033[31;1m"
+    exit_code=1
+fi
+
+echo
+echo -e "Ran $count tests. Passed: ${pass_color}${pass_count}${color_off}, Failed: ${fail_color}${fail_count}${color_off}"
+
+exit $exit_code