Gen helpers made better.

Author: arran4

cmd/genHelpers.sh

@@ -1,18 +1,37 @@
-#!/bin/sh
-
-IN=$1
-INJS=${IN/\.ts/\.js}
-OUT=$2
-tsc -t es6 -m es6 $IN || exit 1
-
-echo package struct2ts > $OUT
-echo >> $OUT
-echo "const ts_helpers = \`" >> $OUT
-cat $IN >> $OUT
-echo "\`" >> $OUT
-
-echo >> $OUT
-echo "const es6_helpers = \`" >> $OUT
-perl -pe 's/\s{4}/\t/g' < $INJS >> $OUT
-rm $INJS
-echo "\`" >> $OUT
+#!/bin/bash -e
+
+IN="$1"
+OUT="$2"
+
+if test "${IN}x" = "x"; then
+  echo "Please provide input file (hint helper.ts)";
+  exit 1
+fi
+
+if test "${OUT}x" = "x"; then
+  echo "Please provide output file (hint helpers_gen.go)";
+  exit 1
+fi
+
+if test ! -e "${IN}"; then
+  echo "${IN} doesn't exist";
+  exit 1
+fi
+
+INJS="${IN/\.ts/\.js}"
+
+echo "Creating ${OUT}"
+
+tsc -t es6 -m es6 "${IN}" || exit 1
+
+echo package struct2ts > "${OUT}"
+echo >> "${OUT}"
+echo "const ts_helpers = \`" >> "${OUT}"
+cat "${IN}" >> "${OUT}"
+echo "\`" >> "${OUT}"
+
+echo >> "${OUT}"
+echo "const es6_helpers = \`" >> "${OUT}"
+perl -pe 's/\s{4}/\t/g' < "$INJS" >> "${OUT}"
+rm "${INJS}"
+echo "\`" >> "${OUT}"