@nrwl/workspace:move errors with libs using --importPath

[llwt]

Current Behavior

Ref: #2840 (comment)
cc: @juristr

The --importPath option works great and we were able to remove our custom impl from our schematics.

@nrwl/workspace:move however still errors with Cannot read property 'map' of undefined when run on a module that was generated using that flag.

Our custom schematic temporarily updates the tsconfig to the directory path before moving, then reverts it:

export default function (schema: Schema): Rule {
  return chain([
    revertPathInTsConfig(schema),
    moveWorkspace(schema),
    updateRootTsConfig(schema),
  ]);
}

Expected Behavior

The workspce:move and workspace:delete schematics should work on libraries created using the --importPath flag.

Steps to Reproduce

• Create a lib using --importPath
• Attempt to move or delete said library using the @nrwl/workspace:[move|delete] schematic.

Failure Logs

Environment

>  NX  Report complete - copy this into the issue template

  @nrwl/angular : Not Found
  @nrwl/cli : 10.0.1
  @nrwl/cypress : 10.0.1
  @nrwl/eslint-plugin-nx : 10.0.1
  @nrwl/express : Not Found
  @nrwl/jest : 10.0.1
  @nrwl/linter : 10.0.1
  @nrwl/nest : Not Found
  @nrwl/next : 10.0.1
  @nrwl/node : 10.0.1
  @nrwl/react : 10.0.1
  @nrwl/schematics : Not Found
  @nrwl/tao : 10.0.1
  @nrwl/web : 10.0.1
  @nrwl/workspace : 10.0.1
  typescript : 3.9.7

[github-actions]

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