VSCodeでTypeScript/Node.jsの開発環境を作る（UT・カバレッジ・ログ出力・リリース手順含む） ref: https://qiita.com/kurogelee/items/cf7954f6c23294600ef2

commands.json

{
  "commands": [
    {
      "command": "commands.refresh",
      "text": "$(sync)",
      "color": "#FFCC00"
    },
    {
      "command": "workbench.action.tasks.runTask",
      "arguments": ["ts-node"],
      "text": "$(triangle-right) ts-node",
      "color": "#CCFFCC",
      "filterFileRegex": "\\.ts"
    },
    {
      "command": "workbench.action.tasks.runTask",
      "arguments": ["mocha"],
      "text": "$(octoface) mocha",
      "color": "#EEBBAA",
      "filterFileRegex": "\\.ts"
    },
    {
      "command": "workbench.action.terminal.toggleTerminal",
      "text": "$(terminal)"
    }
  ]
}

default.json

{
    "log4js": {
        "appenders": {
            "out": {
                "type": "stdout"
            },
            "error": {
                "type": "dateFile",
                "filename": "logs/error.log",
                "daysToKeep": 31
            }
        },
        "categories": {
            "default": {
                "appenders": [
                    "error"
                ],
                "level": "INFO"
            },
            "console": {
                "appenders": [
                    "out",
                    "error"
                ],
                "level": "INFO"
            }
        }
    }
}

development.json

{
    "log4js": {
        "categories": {
            "default": {
                "level": "DEBUG"
            },
            "console": {
                "level": "DEBUG"
            }
        }
    }
}

file0.txt

C:\>node -v
v8.10.0

C:\>npm -v
3.10.6

C:\>code -v
1.21.1
79b44aa704ce542d8ca4a3cc44cfca566e7720f1
x64

file1.txt

mkdir ts-sample
cd ts-sample

npm init -y
mkdir .vscode src test config

npm i -SEB config log4js
npm i -DE typescript ts-node tslint
npm i -DE @types/node @types/config
npm i -DE espower-typescript power-assert mocha @types/mocha
npm i -DE nyc
npm i -DE rimraf cpx

node_modules\.bin\tsc --init
npm i -g npm-run
npm-run tslint --init

code --install-extension eg2.tslint
code --install-extension fabiospampinato.vscode-commands

file13.txt

node_modules\.bin\tsc

file15.txt

node build/main.js

file16.txt

node_modules\.bin\ts-node src/main.ts

file17.txt

npm i -g npm-run

file18.txt

npm-run ts-node src/main.ts

file19.txt

npm i -DE tslint

file2.txt

mkdir ts-sample
cd ts-sample
npm init -y

file20.txt

code --install-extension eg2.tslint

file21.txt

npm-run tslint --init

file26.txt

npm i -DE @types/node
npm i -DE espower-typescript power-assert mocha @types/mocha

file30.txt

code --install-extension fabiospampinato.vscode-commands

file33.txt

npm i -DE nyc

file37.txt

npm i -SEB config log4js
npm i -DE @types/config

file41.txt

npm i -DE rimraf cpx

file5.txt

npm WARN [email protected] No description
npm WARN [email protected] No repository field.
npm WARN [email protected] No license field.

file6.txt

mkdir .vscode src test config

file7.txt

├─.vscode
├─bin          # リリース後のjsソース配置先
├─build        # ビルド用の一時ディレクトリ
│  ├─src       # jsソース出力先
│  └─test      # jsテスト出力先
├─config   
├─coverage
├─logs
├─node_modules
├─src          # tsソース
└─test         # tsテスト

file8.txt

npm i -DE typescript ts-node 

file9.txt

node_modules\.bin\tsc --init 

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "ts-node[debug]",
            "program": "${workspaceFolder}/node_modules/ts-node/dist/bin.js",
            "args": [
                "${relativeFile}"
            ],
            "console": "integratedTerminal"
        },
        {
            "type": "node",
            "request": "launch",
            "name": "mocha[debug]",
            "program": "${workspaceFolder}/node_modules/mocha/bin/_mocha",
            "args": [
                "--no-timeouts",
                "--colors",
                "--require",
                "espower-typescript/guess",
                "${relativeFile}"
            ],
            "console": "integratedTerminal"
        }
    ]
}

main.js

"use strict";
const message = "world";
console.log(`Hello ${message}`);
//# sourceMappingURL=main.js.map

main.test.ts

import assert = require("assert");
import {main} from "../src/main";

describe("main()", () => {
    const message = "world!";
    it("hello world!", () => {
        assert(main(message) === "Hello world");
    });
});

main.ts

#!/usr/bin/env node
process.env.NODE_CONFIG_DIR = __dirname + "/../config";
import * as config from "config";
import * as log4js from "log4js";

log4js.configure(config.get("log4js"));
const log = log4js.getLogger();
const consoleLog = log4js.getLogger("console");

export function main(argv: string[]) {
    try {
        consoleLog.debug(`argv: ${argv}`);
        const message: string = argv[2];
        return `Hello ${message.charAt(0)}`;
    } catch (e) {
        log.error(e);
    } finally {
        log4js.shutdown((e) => e && console.log(e));
    }
}

if (require.main === module) {
    main(process.argv);
}

package.json

{
  "name": "ts-sample",
  "version": "1.0.0",
  "private": true,
  "scripts": {
    "test": "nyc -i ts-node/register --temp-directory coverage/.nyc -r text -r html -n test/**/*.ts -n src/**/*.ts -e .ts mocha test/**/*.ts",
    "release": "rimraf build bin && tsc && cpx build/src/** bin && cd build && npm pack -cwd .."
  },
  "files": [
    "bin",
    "config/default.json"
  ],
  "bin": {
    "sample": "bin/main.js"
  },
  "devDependencies": {
    "@types/config": "0.0.34",
    "@types/mocha": "2.2.48",
    "@types/node": "9.4.7",
    "cpx": "1.5.0",
    "espower-typescript": "8.1.3",
    "mocha": "5.0.4",
    "nyc": "11.6.0",
    "power-assert": "1.4.4",
    "rimraf": "2.6.2",
    "ts-node": "5.0.1",
    "tslint": "5.9.1",
    "typescript": "2.7.2"
  },
  "dependencies": {
    "config": "1.30.0",
    "log4js": "2.5.3"
  },
  "bundledDependencies": [
    "config",
    "log4js"
  ]
}

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "ts-node",
            "type": "shell",
            "command": "npm-run ts-node ${relativeFile}"
        },
        {
            "label": "mocha",
            "type": "shell",
            "command": "npm-run mocha -r espower-typescript/guess ${relativeFile}"
        }
    ]
}

tsconfig.json

{
  "compilerOptions": {
    "target": "ES2017",
    "module": "commonjs",
    "sourceMap": true,
    "outDir": "build",
    "strict": true
  },
  "include": [
    "src/**/*",
    "test/**/*"
  ]
}

tslint.json

{
    "defaultSeverity": "warn",
    "extends": [
        "tslint:recommended"
    ],
    "jsRules": {},
    "rules": {
        "no-console": false
    },
    "rulesDirectory": []
}

（初回生成[コメント省略]）tsconifg.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "strict": true,
    "esModuleInterop": true
  }
}

（初回生成）package.json

{
  "name": "ts-sample",
  "version": "1.0.0",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "description": ""
}

（初回生成）tslint.json

{
    "defaultSeverity": "error",
    "extends": [
        "tslint:recommended"
    ],
    "jsRules": {},
    "rules": {},
    "rulesDirectory": []
}

（抜粋）package.json

  "scripts": {
    "test": "nyc -i ts-node/register --temp-directory coverage/.nyc -r text -r html -n test/**/*.ts -n src/**/*.ts -e .ts mocha test/**/*.ts",
    "release": "rimraf build bin && tsc && cpx build/src/** bin && cd build && npm pack -cwd .."
  },
  "files": [
    "bin",
    "config/default.json"
  ],
  "bin": {
    "sample": "bin/main.js"
  },