Suggestion: tsconfig.json support multiple configurations.

[zengfenfei]

I want to generate both es5 and es6 versions of my TS project into different directories. But current tsconfig.json seems to support only one configuration. I suggest that tsconfig.json supports configuration like this(similar to webpack.config.js):

[
    {
        "compilerOptions": {
            "outDir": "./build/es5",
            "target": "es5"
        }
    },
    {
        "compilerOptions": {
            "outDir": "./build/es6",
            "target": "es6"
        }
    }
]

[kitsonk]

Essentially a dupe of #9876 which is the solution for complex configuration setting in a complex project.

[mhegazy]

As noted by @kitsonk, configuration inheritance (i.e. using extends in a tsconfig.json file to inherit configurations) would be the solution here. you can use it if you are using typescript@next.

With that, you would have a master tsconfig.json file, and a set of overrides, tsconfig.es6.json and tsconfig.es5.json, etc.. you call the compiler on the override files, so tsc --p tsconfig.es6.json.

hope that helps.

[zengfenfei]

@mhegazy Thanks, it works for me.