do-npm.sh

#!/bin/bash

# -----------------------------------------------------------------------------
# Internal function, validates whether we have all prerequisites. 
# -----------------------------------------------------------------------------
function VALIDATE_NPM
{
    if [ ! -f "package.json" ]; then
        FAILURE "Look's like that repository doesn't contain 'package.json' file."
    fi
}

# -----------------------------------------------------------------------------
# Deploys node package using npm. Script is executed in ${REPO_DIR}
# Parameters:
#   $1   - version
#   $2   - deploy command (push | prepare)
#
# Expected global variables
#   DEPLOY_NPM_BEFORE_PREPARE       - optional script run before npm publish --dry-run
#   DEPLOY_NPM_BEFORE_PUBLISH       - optional script run before npm publish
# -----------------------------------------------------------------------------
function DO_DEPLOY
{
    local VER=$1
    local DEPLOY_COMMAND=$2
    local VERBOSE_SWITCH=""
    
    if [ x$VERBOSE == x2 ]; then
        VERBOSE_SWITCH="--verbose"
    fi
    if [ x$ALLOW_WARNINGS == x1 ]; then
        VERBOSE_SWITCH="${VERBOSE_SWITCH} --allow-warnings"
    fi
    
    # validate variables and input parameters
    VALIDATE_NPM
    
    if [ "$DEPLOY_COMMAND" == "prepare" ]; then
        
        LOG "----- Validating..."
        [[ ! -z "${DEPLOY_NPM_BEFORE_PREPARE}" ]] && npm run $DEPLOY_NPM_BEFORE_PREPARE
        npm publish --dry-run
        
    elif [ "$DEPLOY_COMMAND" == "deploy" ]; then
        
        LOG "----- Publishing..."
        [[ ! -z "${DEPLOY_NPM_BEFORE_PUBLISH}" ]] && npm run $DEPLOY_NPM_BEFORE_PUBLISH
        npm publish
        
    else
        FAILURE "do-npm.sh doesn't support '$DEPLOY_COMMAND' command"
    fi
}

# -----------------------------------------------------------------------------
# Prepares tag message for library. Script is executed in ${REPO_DIR}
# Parameters:
#   $1   - version
# -----------------------------------------------------------------------------
function DO_PREPARE_TAG_MESSAGE
{
    VALIDATE_NPM
    DEPLOY_TAG_MESSAGE="Version $1"
}