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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/Libraries/LogBox/UI

Просмотр файла: AnsiHighlight.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 * @format
 */

import type {TextStyleProp} from '../../StyleSheet/StyleSheet';

import View from '../../Components/View/View';
import StyleSheet from '../../StyleSheet/StyleSheet';
import Text from '../../Text/Text';
import {ansiToJson} from 'anser';
import * as React from 'react';

// Afterglow theme from https://iterm2colorschemes.com/
const COLORS = {
  'ansi-black': 'rgb(27, 27, 27)',
  'ansi-red': 'rgb(187, 86, 83)',
  'ansi-green': 'rgb(144, 157, 98)',
  'ansi-yellow': 'rgb(234, 193, 121)',
  'ansi-blue': 'rgb(125, 169, 199)',
  'ansi-magenta': 'rgb(176, 101, 151)',
  'ansi-cyan': 'rgb(140, 220, 216)',
  // Instead of white, use the default color provided to the component
  // 'ansi-white': 'rgb(216, 216, 216)',
  'ansi-bright-black': 'rgb(98, 98, 98)',
  'ansi-bright-red': 'rgb(187, 86, 83)',
  'ansi-bright-green': 'rgb(144, 157, 98)',
  'ansi-bright-yellow': 'rgb(234, 193, 121)',
  'ansi-bright-blue': 'rgb(125, 169, 199)',
  'ansi-bright-magenta': 'rgb(176, 101, 151)',
  'ansi-bright-cyan': 'rgb(140, 220, 216)',
  'ansi-bright-white': 'rgb(247, 247, 247)',
};

const LRM = '\u200E'; // Left-to-Right Mark

export default function Ansi({
  text,
  style,
}: {
  text: string,
  style: TextStyleProp,
  ...
}): React.Node {
  let commonWhitespaceLength = Infinity;
  const parsedLines = text.split(/\n/).map(line =>
    ansiToJson(line, {
      json: true,
      remove_empty: true,
      use_classes: true,
    }),
  );

  parsedLines.map(lines => {
    // The third item on each line includes the whitespace of the source code.
    // We are looking for the least amount of common whitespace to trim all lines.
    // Example: Array [" ", " 96 |", "     text", ...]
    const match = lines[2] && lines[2]?.content?.match(/^ +/);
    const whitespaceLength = (match && match[0]?.length) || 0;
    if (whitespaceLength < commonWhitespaceLength) {
      commonWhitespaceLength = whitespaceLength;
    }
  });

  /* $FlowFixMe[missing-local-annot] The type annotation(s) required by Flow's
   * LTI update could not be added via codemod */
  const getText = (content, key) => {
    if (key === 0) {
      return LRM + content;
    } else if (key === 1) {
      // Remove the vertical bar after line numbers
      return content.replace(/\| $/, ' ');
    } else if (key === 2 && commonWhitespaceLength < Infinity) {
      // Remove common whitespace at the beginning of the line
      return content.slice(commonWhitespaceLength);
    } else {
      return content;
    }
  };

  return (
    <View style={styles.container}>
      {parsedLines.map((items, i) => (
        <View style={styles.line} key={i}>
          <Text>
            {items.map((bundle, key) => {
              const textStyle =
                bundle.fg && COLORS[bundle.fg]
                  ? {
                      backgroundColor: bundle.bg && COLORS[bundle.bg],
                      color: bundle.fg && COLORS[bundle.fg],
                    }
                  : {
                      backgroundColor: bundle.bg && COLORS[bundle.bg],
                    };
              return (
                <Text
                  id="logbox_codeframe_contents_text"
                  style={[style, textStyle]}
                  key={key}>
                  {getText(bundle.content, key)}
                </Text>
              );
            })}
          </Text>
        </View>
      ))}
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    minWidth: '100%',
    direction: 'ltr',
  },
  line: {
    flexDirection: 'row',
  },
});

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