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File Content: `placeholder.js`

'use strict';

const utils = require('./utils');

/**
 * Render a placeholder value with cursor and styling based on the
 * position of the cursor.
 *
 * @param {Object} `prompt` Prompt instance.
 * @param {String} `input` Input string.
 * @param {String} `initial` The initial user-provided value.
 * @param {Number} `pos` Current cursor position.
 * @param {Boolean} `showCursor` Render a simulated cursor using the inverse primary style.
 * @return {String} Returns the styled placeholder string.
 * @api public
 */

module.exports = (prompt, options = {}) => {
  prompt.cursorHide();

  let { input = '', initial = '', pos, showCursor = true, color } = options;
  let style = color || prompt.styles.placeholder;
  let inverse = utils.inverse(prompt.styles.primary);
  let blinker = str => inverse(prompt.styles.black(str));
  let output = input;
  let char = ' ';
  let reverse = blinker(char);

  if (prompt.blink && prompt.blink.off === true) {
    blinker = str => str;
    reverse = '';
  }

  if (showCursor && pos === 0 && initial === '' && input === '') {
    return blinker(char);
  }

  if (showCursor && pos === 0 && (input === initial || input === '')) {
    return blinker(initial[0]) + style(initial.slice(1));
  }

  initial = utils.isPrimitive(initial) ? `${initial}` : '';
  input = utils.isPrimitive(input) ? `${input}` : '';

  let placeholder = initial && initial.startsWith(input) && initial !== input;
  let cursor = placeholder ? blinker(initial[input.length]) : reverse;

  if (pos !== input.length && showCursor === true) {
    output = input.slice(0, pos) + blinker(input[pos]) + input.slice(pos + 1);
    cursor = '';
  }

  if (showCursor === false) {
    cursor = '';
  }

  if (placeholder) {
    let raw = prompt.styles.unstyle(output + cursor);
    return output + cursor + style(initial.slice(raw.length));
  }

  return output + cursor;
};

Name	Size	Permission
prompts	---	0755
types	---	0755
ansi.js	3105 bytes	0644
combos.js	1323 bytes	0644
completer.js	1063 bytes	0644
interpolate.js	6804 bytes	0644
keypress.js	5736 bytes	0644
placeholder.js	1877 bytes	0644
prompt.js	12443 bytes	0644
render.js	1244 bytes	0644
roles.js	1256 bytes	0644
state.js	1674 bytes	0644
styles.js	2682 bytes	0644
symbols.js	1923 bytes	0644
theme.js	328 bytes	0644
timer.js	902 bytes	0644
utils.js	6987 bytes	0644

File Content: placeholder.js

File Content: `placeholder.js`