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lambda-live-debugger

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Debug Lambda functions locally like it is running in the cloud

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import { createPrompt, useState, useKeypress, useEffect, usePrefix, isBackspaceKey, isEnterKey, isTabKey, makeTheme, } from '@inquirer/core'; const inputTheme = { validationFailureMode: 'keep', }; export default createPrompt((config, done) => { const { prefill = 'tab' } = config; const theme = makeTheme(inputTheme, config.theme); const [status, setStatus] = useState('idle'); const [defaultValue = '', setDefaultValue] = useState(config.default); const [errorMsg, setError] = useState(); const [value, setValue] = useState(''); const prefix = usePrefix({ status, theme }); async function validate(value) { const { required, pattern, patternError = 'Invalid input' } = config; if (required && !value) { return 'You must provide a value'; } if (pattern && !pattern.test(value)) { return patternError; } if (typeof config.validate === 'function') { return (await config.validate(value)) || 'You must provide a valid value'; } return true; } useKeypress(async (key, rl) => { // Ignore keypress while our prompt is doing other processing. if (status !== 'idle') { return; } if (isEnterKey(key)) { const answer = value || defaultValue; setStatus('loading'); const isValid = await validate(answer); if (isValid === true) { setValue(answer); setStatus('done'); done(answer); } else { if (theme.validationFailureMode === 'clear') { setValue(''); } else { // Reset the readline line value to the previous value. On line event, the value // get cleared, forcing the user to re-enter the value instead of fixing it. rl.write(value); } setError(isValid); setStatus('idle'); } } else if (isBackspaceKey(key) && !value) { setDefaultValue(undefined); } else if (isTabKey(key) && !value) { setDefaultValue(undefined); rl.clearLine(0); // Remove the tab character. rl.write(defaultValue); setValue(defaultValue); } else { setValue(rl.line); setError(undefined); } }); // If prefill is set to 'editable' cut out the default value and paste into current state and the user's cli buffer // They can edit the value immediately instead of needing to press 'tab' useEffect((rl) => { if (prefill === 'editable' && defaultValue) { rl.write(defaultValue); setValue(defaultValue); } }, []); const message = theme.style.message(config.message, status); let formattedValue = value; if (typeof config.transformer === 'function') { formattedValue = config.transformer(value, { isFinal: status === 'done' }); } else if (status === 'done') { formattedValue = theme.style.answer(value); } let defaultStr; if (defaultValue && status !== 'done' && !value) { defaultStr = theme.style.defaultAnswer(defaultValue); } let error = ''; if (errorMsg) { error = theme.style.error(errorMsg); } return [ [prefix, message, defaultStr, formattedValue] .filter((v) => v !== undefined) .join(' '), error, ]; });