compare-files/dist/renderers/nested.js

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'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var render = function render(ast) {
  var depth = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;

  var tabWidth = 4;
  var indent = ' '.repeat(depth * tabWidth);
  var valToStr = function valToStr(v) {
    var d = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : depth + 1;

    if (v instanceof Object) {
      var ind = ' '.repeat(d * tabWidth);
      var elts = _lodash2.default.keys(v).map(function (key) {
        return '' + ind + key + ': ' + valToStr(v[key], d + 1);
      });
      return '{\n' + elts.join('\n') + '\n' + ind.slice(tabWidth) + '}';
    }
    return v;
  };
  var toStr = function toStr(node) {
    var key = node.key,
        type = node.type,
        before = node.before,
        after = node.after,
        children = node.children;


    switch (type) {
      case 'nested':
        return '' + indent + key + ': ' + render(children, depth + 1);
      case 'unchanged':
        return '' + indent + key + ': ' + valToStr(before);
      case 'deleted':
        return indent.slice(2) + '- ' + key + ': ' + valToStr(before);
      case 'added':
        return indent.slice(2) + '+ ' + key + ': ' + valToStr(after);
      default:
        return '';
    }
  };

  var rendered = _lodash2.default.flatten(ast).map(toStr);
  return '{\n' + rendered.join('\n') + '\n' + indent.slice(tabWidth) + '}';
};

exports.default = render;
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