Merge pull request #1295 from microsoft/importsNotUsedAsValues

Add row for importsNotUsedAsValues

Author: DanielRosenwasser

pages/Compiler Options.md

@@ -52,6 +52,7 @@ Option                                         | Type      | Default
 `--generateCpuProfile`                         | `string`  | `profile.cpuprofile`           | Generates a cpu profile at the given path. Passing an existing directory name instead of a file path will cause a timestamp-named profile to be generated in that directory instead.
 `--help`<br/>`-h`                              |           |                                | Print help message.
 `--importHelpers`                              | `boolean` | `false`                        | Import emit helpers (e.g. `__extends`, `__rest`, etc..) from [`tslib`](https://www.npmjs.com/package/tslib)
+`--importsNotUsedAsValues`                     | `string`  | `remove`                       | Specify emit/checking behavior for imports that are only used for types. `"remove"` and `"preserve"` specify whether to emit unused imports for side effects, and `"error"` enforces that imports used only for types are written with `import type`.
 `--incremental`                                | `boolean` | `true` if `composite` is on, `false` otherwise | Enable incremental compilation by reading/writing information from prior compilations to a file on disk. This file is controlled by the `--tsBuildInfoFile` flag.
 `--inlineSourceMap`                            | `boolean` | `false`                        | Emit a single file with source maps instead of having a separate file.
 `--inlineSources`                              | `boolean` | `false`                        | Emit the source alongside the sourcemaps within a single file; requires `--inlineSourceMap` or `--sourceMap` to be set.