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repl.ts
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import os from 'node:os'
import path from 'node:path'
import { inspect } from 'node:util'
import { ProcessOutput, defaults } from './core.js'
import { chalk } from './vendor.js'
export async function startRepl() {
defaults.verbose = false
const r = (await import('node:repl')).start({
prompt: chalk.greenBright.bold('❯ '),
useGlobal: true,
preview: false,
writer(output: any) {
if (output instanceof ProcessOutput) {
return output.toString().replace(/\n$/, '')
}
return inspect(output, { colors: true })
},
})
r.setupHistory(path.join(os.homedir(), '.zx_repl_history'), () => {})
}