Allow regular flags to mix with --build

TypeScript Version: 3.0.0-rc, 3.0.0-dev.20180712

Search Terms:

build mode, --build

Code

I have project with the following tsconfig.json:

{
    "compilerOptions": {
        "module": "commonjs",
        "moduleResolution": "node",
        "target": "es2017",
        "lib": ["es2017"],
        "strict": true,
        "sourceMap": true,
        "noEmitOnError": true,
        "types": ["node"]
    },
    "include": [
        "src/**/*.ts"
    ]
}

and compile it with command:

node_modules/.bin/tsc --build tsconfig.json --outDir out --rootDir /home/kostya/proj/foo

Note, that outDir and rootDir options come from command line arguments, because I want to share output directory for another command (clean).

Expected behavior:

outDir and rootDir options will be took from command line.

Actual behavior:

Compiler ignores this options:

node_modules/.bin/tsc --build tsconfig.json --outDir out --rootDir /home/kostya/proj/foo
message TS6096: File '/home/kostya/proj/foo/--outDir' does not exist.

message TS6096: File '/home/kostya/proj/foo/out' does not exist.

message TS6096: File '/home/kostya/proj/foo/--rootDir' does not exist.

Playground Link:

Related Issues: https://github.com/Microsoft/TypeScript/issues/25600

報告されたコマンド tsc --build tsconfig.json --outDir out --rootDir /home/kostya/proj/foo を再現し、--build の引数解析のエントリーポイントを調査します。通常のフラグがプロジェクトパスとして扱われるのではなくコンパイラオプションとして受け付けられ、プロジェクトパスも引き続き機能すれば完了です。