113 lines
3.3 KiB
JavaScript
113 lines
3.3 KiB
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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* @format
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*/
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import type {TextStyleProp} from '../../StyleSheet/StyleSheet';
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import View from '../../Components/View/View';
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import StyleSheet from '../../StyleSheet/StyleSheet';
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import Text from '../../Text/Text';
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import {ansiToJson} from 'anser';
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import * as React from 'react';
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// Afterglow theme from https://iterm2colorschemes.com/
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const COLORS = {
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'ansi-black': 'rgb(27, 27, 27)',
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'ansi-red': 'rgb(187, 86, 83)',
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'ansi-green': 'rgb(144, 157, 98)',
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'ansi-yellow': 'rgb(234, 193, 121)',
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'ansi-blue': 'rgb(125, 169, 199)',
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'ansi-magenta': 'rgb(176, 101, 151)',
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'ansi-cyan': 'rgb(140, 220, 216)',
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// Instead of white, use the default color provided to the component
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// 'ansi-white': 'rgb(216, 216, 216)',
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'ansi-bright-black': 'rgb(98, 98, 98)',
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'ansi-bright-red': 'rgb(187, 86, 83)',
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'ansi-bright-green': 'rgb(144, 157, 98)',
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'ansi-bright-yellow': 'rgb(234, 193, 121)',
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'ansi-bright-blue': 'rgb(125, 169, 199)',
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'ansi-bright-magenta': 'rgb(176, 101, 151)',
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'ansi-bright-cyan': 'rgb(140, 220, 216)',
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'ansi-bright-white': 'rgb(247, 247, 247)',
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};
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export default function Ansi({
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text,
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style,
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}: {
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text: string,
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style: TextStyleProp,
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...
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}): React.Node {
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let commonWhitespaceLength = Infinity;
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const parsedLines = text.split(/\n/).map(line =>
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ansiToJson(line, {
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json: true,
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remove_empty: true,
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use_classes: true,
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}),
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);
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parsedLines.map(lines => {
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// The third item on each line includes the whitespace of the source code.
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// We are looking for the least amount of common whitespace to trim all lines.
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// Example: Array [" ", " 96 |", " text", ...]
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const match = lines[2] && lines[2]?.content?.match(/^ +/);
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const whitespaceLength = (match && match[0]?.length) || 0;
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if (whitespaceLength < commonWhitespaceLength) {
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commonWhitespaceLength = whitespaceLength;
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}
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});
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/* $FlowFixMe[missing-local-annot] The type annotation(s) required by Flow's
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* LTI update could not be added via codemod */
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const getText = (content, key) => {
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if (key === 1) {
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// Remove the vertical bar after line numbers
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return content.replace(/\| $/, ' ');
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} else if (key === 2 && commonWhitespaceLength < Infinity) {
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// Remove common whitespace at the beginning of the line
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return content.substr(commonWhitespaceLength);
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} else {
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return content;
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}
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};
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return (
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<View>
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{parsedLines.map((items, i) => (
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<View style={styles.line} key={i}>
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{items.map((bundle, key) => {
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const textStyle =
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bundle.fg && COLORS[bundle.fg]
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? {
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backgroundColor: bundle.bg && COLORS[bundle.bg],
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color: bundle.fg && COLORS[bundle.fg],
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}
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: {
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backgroundColor: bundle.bg && COLORS[bundle.bg],
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};
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return (
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<Text style={[style, textStyle]} key={key}>
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{getText(bundle.content, key)}
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</Text>
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);
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})}
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</View>
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))}
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</View>
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);
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}
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const styles = StyleSheet.create({
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line: {
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flexDirection: 'row',
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},
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});
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