add npx alias (#39)

Author: sunilsurana

src/artifacts-helper/README.md

@@ -21,6 +21,7 @@ Configures Codespace to authenticate with Azure Artifact feeds
 | nugetAlias | Create alias for nuget | boolean | true |
 | npmAlias | Create alias for npm | boolean | true |
 | yarnAlias | Create alias for yarn | boolean | true |
+| npxAlias | Create alias for npx | boolean | true |
 
 ## Customizations
 

src/artifacts-helper/devcontainer-feature.json

@@ -33,6 +33,11 @@
             "type": "boolean",
             "default": true,
             "description": "Create alias for yarn"
+        },
+        "npxAlias": {
+            "type": "boolean",
+            "default": true,
+            "description": "Create alias for npx"
         }
     },
     "installsAfter": [

src/artifacts-helper/install.sh

@@ -8,6 +8,7 @@ ALIAS_DOTNET="${DOTNETALIAS:-"true"}"
 ALIAS_NUGET="${NUGETALIAS:-"true"}"
 ALIAS_NPM="${NPMALIAS:-"true"}"
 ALIAS_YARN="${YARNALIAS:-"true"}"
+ALIAS_NPX="${NPXALIAS:-"true"}"
 
 # Source /etc/os-release to get OS info
 . /etc/os-release
@@ -59,6 +60,8 @@ cp ./scripts/run-yarn.sh /usr/local/bin/run-yarn.sh
 chmod +rx /usr/local/bin/run-yarn.sh
 cp ./scripts/write-npm.sh /usr/local/bin/write-npm.sh
 chmod +rx /usr/local/bin/write-npm.sh
+cp ./scripts/run-npx.sh /usr/local/bin/run-npx.sh
+chmod +rx /usr/local/bin/run-npx.sh
 
 
 if command -v sudo >/dev/null 2>&1; then
@@ -78,6 +81,10 @@ if command -v sudo >/dev/null 2>&1; then
         if [ "${ALIAS_YARN}" = "true" ]; then
             sudo -u ${_REMOTE_USER} bash -c "echo 'alias yarn=/usr/local/bin/run-yarn.sh' >> ~/.bashrc"
             sudo -u ${_REMOTE_USER} bash -c "echo 'alias yarn=/usr/local/bin/run-yarn.sh' >> ~/.zshrc"
+        fi
+        if [ "${ALIAS_NPX}" = "true" ]; then
+            sudo -u ${_REMOTE_USER} bash -c "echo 'alias npx=/usr/local/bin/run-npx.sh' >> ~/.bashrc"
+            sudo -u ${_REMOTE_USER} bash -c "echo 'alias npx=/usr/local/bin/run-npx.sh' >> ~/.zshrc"
         fi        
         sudo -u ${_REMOTE_USER} bash -c "/tmp/install-provider.sh ${USENET6}"
         rm /tmp/install-provider.sh
@@ -105,6 +112,11 @@ if [ "${ALIAS_YARN}" = "true" ]; then
     sudo -u ${_REMOTE_USER} bash -c "echo 'alias yarn=/usr/local/bin/run-yarn.sh' >> /etc/zsh/zshrc || true
 fi
 
+if [ "${ALIAS_NPX}" = "true" ]; then
+    sudo -u ${_REMOTE_USER} bash -c "echo 'alias npx=/usr/local/bin/run-npx.sh' >> /etc/bash.bashrc || true
+    sudo -u ${_REMOTE_USER} bash -c "echo 'alias npx=/usr/local/bin/run-npx.sh' >> /etc/zsh/zshrc || true
+fi
+
 rm /tmp/install-provider.sh
 
 exit 0

src/artifacts-helper/scripts/run-npx.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+if [ -f "${HOME}/ado-auth-helper" ]; then
+  export ARTIFACTS_ACCESSTOKEN=$(${HOME}/ado-auth-helper get-access-token)
+fi
+
+# Find the npm executable so we do not run the bash alias again
+NPX_EXE=$(which npx)
+
+${NPX_EXE} "$@"
+EXIT_CODE=$?
+unset NPX_EXE
+
+if [ -f "${HOME}/ado-auth-helper" ]; then
+    unset ARTIFACTS_ACCESSTOKEN
+fi
+
+exit $EXIT_CODE