generate project for typescript

generateProjectTypescript.sh

#!/bin/bash

main(){

    if ! isRequireCommandsInstalled; then
        return 1
    fi

    subtasksBuild=()

    makePackageJsonIfNeeded
    setupGitignore
    setupGulp
    setupTypescript
    setupEslint

    setupTasks

    echo "Script end."
    return 0
}

isRequireCommandsInstalled(){
    commands=$1
    local command
    for command in "npm gulp"
    do
        if ! isExistsCommand command; then
            return 1
        fi
    done
    return 0
}

isExistsCommand(){
    if ! type "$1" > /dev/null 2>&1; then
        echo "Command not found: $1"
        return 1
    fi
    return 0
}

makePackageJsonIfNeeded(){
    if [ ! -f ./package.json ]; then
        echo "package.json not found."
        makePackageJson
    fi
    return 0
}

makePackageJson(){
    echo "Make private package.json OK?(Y/n)"
    local isPrivatePackage
    read isPrivatePackage
    if [ "$isPrivatePackage" = "Y" -o "$isPrivatePackage" = "" ]; then
        echo "Make json"
        echo "{\"private\":true}" >> ./package.json
    else
        echo "Start npm init."
        npm init
    fi
    return 0
}

setupGitignore(){
    curl -L -s https://www.gitignore.io/node >> .gitignore
}

setupGulp(){
    npm install --save-dev gulp

    if [ ! -f ./gulpfile.js ];then
        {
            echo "let gulp = require('gulp');"
        } > gulpfile.js
    fi
}

setupTypescript(){
    npm install --save-dev typescript gulp-typescript
    local taskname="build:ts"
    subtasksBuild+=($taskname)

    mkdir -p ./src/ts
    {
        echo "{"
        echo "    \"compilerOptions\": {"
        echo "        \"module\": \"commonjs\","
        echo "        \"noImplicitAny\": true,"
        echo "        \"removeComments\": true,"
        echo "        \"target\": \"es6\""
        echo "    }"
        echo "}"
    } > ./src/ts/tsconfig.json
    {
        echo "let ts = require('gulp-typescript')"
        echo "let tsProject = ts.createProject('src/ts/tsconfig.json', {"
        echo "    out: 'app.js', sortOutput: true,"
        echo "});"
        echo "gulp.task('$taskname', function() {"
        echo "    let tsResult = gulp.src('src/ts/**/*.ts')"
        echo "        .pipe(ts(tsProject));"
        echo "    tsResult.js.pipe(gulp.dest('dist/js/'));"
        echo "});"
    } >> gulpfile.js
}

setupEslint(){
    npm install --save-dev eslint babel-eslint eslint-config-google

    {
        echo "{"
        echo "    \"parser\": \"babel-eslint\","
        echo "    \"extends\": \"google\","
        echo "    \"rules\": {"
        echo "        \"spaced-comment\": \"off\""
        echo "    }"
        echo "}"
    } >> .eslistrc.json
}

setupDtsm(){
    npm install --save-dev dtsm
    $(npm bin)/dtsm init

    {
        echo "typings"
    } >> .gitignore
}

setupTasks(){
    local tasks=()
    for task in $subtasksBuild
    do
        tasks+=("'$task',")
    done
    {
        echo "gulp.task('build',[${tasks[@]}]);"
    } >> gulpfile.js
}

main