1 | "use strict";
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2 |
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3 | exports.__esModule = true;
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4 |
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5 |
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6 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
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7 |
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8 | var _lineNumbers = require("line-numbers");
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9 |
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10 | var _lineNumbers2 = _interopRequireDefault(_lineNumbers);
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11 |
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12 | var _repeating = require("repeating");
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13 |
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14 | var _repeating2 = _interopRequireDefault(_repeating);
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15 |
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16 | var _jsTokens = require("js-tokens");
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17 |
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18 | var _jsTokens2 = _interopRequireDefault(_jsTokens);
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19 |
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20 | var _esutils = require("esutils");
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21 |
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22 | var _esutils2 = _interopRequireDefault(_esutils);
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23 |
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24 | var _chalk = require("chalk");
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25 |
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26 | var _chalk2 = _interopRequireDefault(_chalk);
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27 |
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28 |
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29 |
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30 |
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31 |
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32 | var defs = {
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33 | string: _chalk2["default"].red,
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34 | punctuator: _chalk2["default"].bold,
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35 | curly: _chalk2["default"].green,
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36 | parens: _chalk2["default"].blue.bold,
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37 | square: _chalk2["default"].yellow,
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38 | keyword: _chalk2["default"].cyan,
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39 | number: _chalk2["default"].magenta,
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40 | regex: _chalk2["default"].magenta,
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41 | comment: _chalk2["default"].grey,
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42 | invalid: _chalk2["default"].inverse
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43 | };
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44 |
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45 |
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46 |
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47 |
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48 |
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49 | var NEWLINE = /\r\n|[\n\r\u2028\u2029]/;
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50 |
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51 |
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52 |
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53 |
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54 |
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55 | function getTokenType(match) {
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56 | var token = _jsTokens2["default"].matchToToken(match);
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57 | if (token.type === "name" && _esutils2["default"].keyword.isReservedWordES6(token.value)) {
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58 | return "keyword";
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59 | }
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60 |
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61 | if (token.type === "punctuator") {
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62 | switch (token.value) {
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63 | case "{":
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64 | case "}":
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65 | return "curly";
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66 | case "(":
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67 | case ")":
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68 | return "parens";
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69 | case "[":
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70 | case "]":
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71 | return "square";
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72 | }
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73 | }
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74 |
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75 | return token.type;
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76 | }
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77 |
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78 |
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79 |
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80 |
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81 |
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82 | function highlight(text) {
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83 | return text.replace(_jsTokens2["default"], function () {
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84 | for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
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85 | args[_key] = arguments[_key];
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86 | }
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87 |
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88 | var type = getTokenType(args);
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89 | var colorize = defs[type];
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90 | if (colorize) {
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91 | return args[0].split(NEWLINE).map(function (str) {
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92 | return colorize(str);
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93 | }).join("\n");
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94 | } else {
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95 | return args[0];
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96 | }
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97 | });
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98 | }
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99 |
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100 |
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101 |
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102 |
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103 |
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104 | exports["default"] = function (lines, lineNumber, colNumber) {
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105 | var opts = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];
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106 |
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107 | colNumber = Math.max(colNumber, 0);
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108 |
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109 | var highlighted = opts.highlightCode && _chalk2["default"].supportsColor;
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110 | if (highlighted) lines = highlight(lines);
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111 |
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112 | lines = lines.split(NEWLINE);
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113 |
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114 | var start = Math.max(lineNumber - 3, 0);
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115 | var end = Math.min(lines.length, lineNumber + 3);
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116 |
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117 | if (!lineNumber && !colNumber) {
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118 | start = 0;
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119 | end = lines.length;
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120 | }
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121 |
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122 | var frame = _lineNumbers2["default"](lines.slice(start, end), {
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123 | start: start + 1,
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124 | before: " ",
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125 | after: " | ",
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126 | transform: function transform(params) {
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127 | if (params.number !== lineNumber) {
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128 | return;
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129 | }
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130 |
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131 | if (colNumber) {
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132 | params.line += "\n" + params.before + _repeating2["default"](" ", params.width) + params.after + _repeating2["default"](" ", colNumber - 1) + "^";
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133 | }
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134 |
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135 | params.before = params.before.replace(/^./, ">");
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136 | }
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137 | }).join("\n");
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138 |
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139 | if (highlighted) {
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140 | return _chalk2["default"].reset(frame);
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141 | } else {
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142 | return frame;
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143 | }
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144 | };
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145 |
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146 | module.exports = exports["default"]; |
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