- move npm install to separate script

Author: stkec

script/install.sh

@@ -1,68 +1,6 @@
 #!/usr/bin/env bash
 
-semver_compare() {
-  local version_a version_b pr_a pr_b
-  # strip word "v" and extract first subset version (x.y.z from x.y.z-foo.n)
-  version_a=$(echo "${1//v/}" | awk -F'-' '{print $1}')
-  version_b=$(echo "${2//v/}" | awk -F'-' '{print $1}')
-
-  if [ "$version_a" \= "$version_b" ]
-  then
-    # check for pre-release
-    # extract pre-release (-foo.n from x.y.z-foo.n)
-    pr_a=$(echo "$1" | awk -F'-' '{print $2}')
-    pr_b=$(echo "$2" | awk -F'-' '{print $2}')
-
-    ####
-    # Return 0 when A is equal to B
-    [ "$pr_a" \= "$pr_b" ] && echo 0 && return 0
-
-    ####
-    # Return 1
-
-    # Case when A is not pre-release
-    if [ -z "$pr_a" ]
-    then
-      echo 1 && return 0
-    fi
-
-    ####
-    # Case when pre-release A exists and is greater than B's pre-release
-
-    # extract numbers -rc.x --> x
-    number_a=$(echo ${pr_a//[!0-9]/})
-    number_b=$(echo ${pr_b//[!0-9]/})
-    [ -z "${number_a}" ] && number_a=0
-    [ -z "${number_b}" ] && number_b=0
-
-    [ "$pr_a" \> "$pr_b" ] && [ -n "$pr_b" ] && [ "$number_a" -gt "$number_b" ] && echo 1 && return 0
-
-    ####
-    # Retrun -1 when A is lower than B
-    echo -1 && return 0
-  fi
-  arr_version_a=(${version_a//./ })
-  arr_version_b=(${version_b//./ })
-  cursor=0
-  # Iterate arrays from left to right and find the first difference
-  while [ "$([ "${arr_version_a[$cursor]}" -eq "${arr_version_b[$cursor]}" ] && [ $cursor -lt ${#arr_version_a[@]} ] && echo true)" == true ]
-  do
-    cursor=$((cursor+1))
-  done
-  [ "${arr_version_a[$cursor]}" -gt "${arr_version_b[$cursor]}" ] && echo 1 || echo -1
-}
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/.."
-
-NVER="$(node -v)"
-echo "NODE: $NVER"
-if [ $(semver_compare $NVER 11) = -1 ]; then
-    echo "Install for V10"
-    npm install [email protected] stylelint@12 --save-dev
-else
-    echo "Install Latest"
-    npm install eslint stylelint --save-dev
-fi
+source npm-install.sh
 
 [ -f ./ruleset.xml ] || cp $DIR/ruleset.xml ./
 [ -f ./phpmd.xml ] || cp $DIR/phpmd.xml ./

script/npm-install.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+
+semver_compare() {
+  local version_a version_b pr_a pr_b
+  # strip word "v" and extract first subset version (x.y.z from x.y.z-foo.n)
+  version_a=$(echo "${1//v/}" | awk -F'-' '{print $1}')
+  version_b=$(echo "${2//v/}" | awk -F'-' '{print $1}')
+
+  if [ "$version_a" \= "$version_b" ]
+  then
+    # check for pre-release
+    # extract pre-release (-foo.n from x.y.z-foo.n)
+    pr_a=$(echo "$1" | awk -F'-' '{print $2}')
+    pr_b=$(echo "$2" | awk -F'-' '{print $2}')
+
+    ####
+    # Return 0 when A is equal to B
+    [ "$pr_a" \= "$pr_b" ] && echo 0 && return 0
+
+    ####
+    # Return 1
+
+    # Case when A is not pre-release
+    if [ -z "$pr_a" ]
+    then
+      echo 1 && return 0
+    fi
+
+    ####
+    # Case when pre-release A exists and is greater than B's pre-release
+
+    # extract numbers -rc.x --> x
+    number_a=$(echo ${pr_a//[!0-9]/})
+    number_b=$(echo ${pr_b//[!0-9]/})
+    [ -z "${number_a}" ] && number_a=0
+    [ -z "${number_b}" ] && number_b=0
+
+    [ "$pr_a" \> "$pr_b" ] && [ -n "$pr_b" ] && [ "$number_a" -gt "$number_b" ] && echo 1 && return 0
+
+    ####
+    # Retrun -1 when A is lower than B
+    echo -1 && return 0
+  fi
+  arr_version_a=(${version_a//./ })
+  arr_version_b=(${version_b//./ })
+  cursor=0
+  # Iterate arrays from left to right and find the first difference
+  while [ "$([ "${arr_version_a[$cursor]}" -eq "${arr_version_b[$cursor]}" ] && [ $cursor -lt ${#arr_version_a[@]} ] && echo true)" == true ]
+  do
+    cursor=$((cursor+1))
+  done
+  [ "${arr_version_a[$cursor]}" -gt "${arr_version_b[$cursor]}" ] && echo 1 || echo -1
+}
+
+##########################
+# Install NPM packages
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/.."
+
+NVER="$(node -v)"
+echo "NODE: $NVER"
+if [ $(semver_compare $NVER 11) = -1 ]; then
+    echo "Install for V10"
+    npm install [email protected] stylelint@12 --save-dev
+else
+    echo "Install Latest"
+    npm install eslint stylelint --save-dev
+fi