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✍️ Editing: utils.js

            File: /usr/lib/node_modules/npm/node_modules/cli-table3/src/utils.js

            Size: 7.11 KB | 
            Last Modified: 2021-03-10 21:36:40        

const objectAssign = require('object-assign');
const stringWidth = require('string-width');

function codeRegex(capture) {
  return capture ? /\u001b\[((?:\d*;){0,5}\d*)m/g : /\u001b\[(?:\d*;){0,5}\d*m/g;
}

function strlen(str) {
  let code = codeRegex();
  let stripped = ('' + str).replace(code, '');
  let split = stripped.split('\n');
  return split.reduce(function(memo, s) {
    return stringWidth(s) > memo ? stringWidth(s) : memo;
  }, 0);
}

function repeat(str, times) {
  return Array(times + 1).join(str);
}

let codeCache = {};

//https://github.com/Marak/colors.js/blob/master/lib/styles.js
addToCodeCache('bold', 1, 22);
addToCodeCache('italics', 3, 23);
addToCodeCache('underline', 4, 24);
addToCodeCache('inverse', 7, 27);
addToCodeCache('strikethrough', 9, 29);

function unwindState(state, ret) {
  let lastBackgroundAdded = state.lastBackgroundAdded;
  let lastForegroundAdded = state.lastForegroundAdded;

delete state.lastBackgroundAdded;
  delete state.lastForegroundAdded;

Object.keys(state).forEach(function(key) {
    if (state[key]) {
      ret += codeCache[key].off;
    }
  });

if (lastBackgroundAdded && lastBackgroundAdded != '\u001b[49m') {
    ret += '\u001b[49m';
  }
  if (lastForegroundAdded && lastForegroundAdded != '\u001b[39m') {
    ret += '\u001b[39m';
  }

return ret;
}

function rewindState(state, ret) {
  let lastBackgroundAdded = state.lastBackgroundAdded;
  let lastForegroundAdded = state.lastForegroundAdded;

delete state.lastBackgroundAdded;
  delete state.lastForegroundAdded;

Object.keys(state).forEach(function(key) {
    if (state[key]) {
      ret = codeCache[key].on + ret;
    }
  });

if (lastBackgroundAdded && lastBackgroundAdded != '\u001b[49m') {
    ret = lastBackgroundAdded + ret;
  }
  if (lastForegroundAdded && lastForegroundAdded != '\u001b[39m') {
    ret = lastForegroundAdded + ret;
  }

return ret;
}

function truncateWidth(str, desiredLength) {
  if (str.length === strlen(str)) {
    return str.substr(0, desiredLength);
  }

while (strlen(str) > desiredLength) {
    str = str.slice(0, -1);
  }

return str;
}

function truncateWidthWithAnsi(str, desiredLength) {
  let code = codeRegex(true);
  let split = str.split(codeRegex());
  let splitIndex = 0;
  let retLen = 0;
  let ret = '';
  let myArray;
  let state = {};

while (retLen < desiredLength) {
    myArray = code.exec(str);
    let toAdd = split[splitIndex];
    splitIndex++;
    if (retLen + strlen(toAdd) > desiredLength) {
      toAdd = truncateWidth(toAdd, desiredLength - retLen);
    }
    ret += toAdd;
    retLen += strlen(toAdd);

if (retLen < desiredLength) {
      if (!myArray) {
        break;
      } // full-width chars may cause a whitespace which cannot be filled
      ret += myArray[0];
      updateState(state, myArray);
    }
  }

return unwindState(state, ret);
}

function truncate(str, desiredLength, truncateChar) {
  truncateChar = truncateChar || '…';
  let lengthOfStr = strlen(str);
  if (lengthOfStr <= desiredLength) {
    return str;
  }
  desiredLength -= strlen(truncateChar);

let ret = truncateWidthWithAnsi(str, desiredLength);

return ret + truncateChar;
}

function defaultOptions() {
  return {
    chars: {
      top: '─',
      'top-mid': '┬',
      'top-left': '┌',
      'top-right': '┐',
      bottom: '─',
      'bottom-mid': '┴',
      'bottom-left': '└',
      'bottom-right': '┘',
      left: '│',
      'left-mid': '├',
      mid: '─',
      'mid-mid': '┼',
      right: '│',
      'right-mid': '┤',
      middle: '│',
    },
    truncate: '…',
    colWidths: [],
    rowHeights: [],
    colAligns: [],
    rowAligns: [],
    style: {
      'padding-left': 1,
      'padding-right': 1,
      head: ['red'],
      border: ['grey'],
      compact: false,
    },
    head: [],
  };
}

function multiLineWordWrap(maxLength, input) {
  let output = [];
  input = input.split('\n');
  for (let i = 0; i < input.length; i++) {
    output.push.apply(output, wordWrap(maxLength, input[i]));
  }
  return output;
}

module.exports = {
  strlen: strlen,
  repeat: repeat,
  pad: pad,
  truncate: truncate,
  mergeOptions: mergeOptions,
  wordWrap: multiLineWordWrap,
  colorizeLines: colorizeLines,
};

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