showConfig doesn't show all of the config

[DanielRosenwasser]

git clone https://github.com/Microsoft/TypeScript.git
cd ./TypeScript/src/compiler
tsc --showConfig

Expected: the files field is present
Actual

{
    "compilerOptions": {
        "lib": [
            "es6"
        ],
        "target": "es5",
        "rootDir": "..",
        "declaration": true,
        "declarationMap": true,
        "sourceMap": true,
        "composite": true,
        "noEmitOnError": true,
        "strictNullChecks": true,
        "noImplicitAny": true,
        "noImplicitThis": true,
        "strictPropertyInitialization": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "skipLibCheck": true,
        "alwaysStrict": true,
        "preserveConstEnums": true,
        "newLine": "lf",
        "types": [],
        "outFile": "../../built/local/compiler.js"
    }
}

[weswigham]

AFAIK it's not present because the default include pattern behavior hits all the appropriate files. See line 1674 of commandLineParser.ts.

[weswigham]

(Which indicates that the verbatim files list in the input config is a bit... extraneous?)