Function renderClearScreen

packages/cli/src/internal/prompt/text.ts:33–64

(state: State, options: Options)

const renderBeep = Doc.render(Doc.beep, { style: "pretty" })

function renderClearScreen(state: State, options: Options) {
  return Effect.gen(function*() {
    const terminal = yield* Terminal.Terminal
    const columns = yield* terminal.columns
    // Erase the current line and place the cursor in column one
    const resetCurrentLine = Doc.cat(Doc.eraseLine, Doc.cursorLeft)
    // Check for any error output
    const clearError = Option.match(state.error, {
      onNone: () => Doc.empty,
      onSome: (error) =>
        // If there was an error, move the cursor down to the final error line and
        // then clear all lines of error output
        Doc.cursorDown(InternalAnsiUtils.lines(error, columns)).pipe(
          // Add a leading newline to the error message to ensure that the corrrect
          // number of error lines are erased
          Doc.cat(InternalAnsiUtils.eraseText(`\n${error}`, columns))
        )
    })
    // Ensure that the prior prompt output is cleaned up
    // Calculate full rendered line: "? " + message + " › " + input
    const inputValue = state.value.length > 0 ? state.value : options.default
    const fullLine = `? ${options.message} \u203a ${inputValue}`
    const clearOutput = InternalAnsiUtils.eraseText(fullLine, columns)
    // Concatenate and render all documents
    return clearError.pipe(
      Doc.cat(clearOutput),
      Doc.cat(resetCurrentLine),
      Optimize.optimize(Optimize.Deep),
      Doc.render({ style: "pretty", options: { lineWidth: columns } })
    )
  })
}

function renderInput(nextState: State, options: Options, submitted: boolean) {
  const text = getValue(nextState, options)