routie dev init since i didn't adhere to any proper guidance up until now
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export interface Options {
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trim?: boolean;
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wordWrap?: boolean;
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hard?: boolean;
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}
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export declare function wrapAnsi(string: string, columns: number, options?: Options): string;
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+216
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import stringWidth from 'fast-string-width';
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const ESC = '\x1B';
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const CSI = '\x9B';
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const END_CODE = 39;
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const ANSI_ESCAPE_BELL = '\u0007';
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const ANSI_CSI = '[';
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const ANSI_OSC = ']';
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const ANSI_SGR_TERMINATOR = 'm';
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const ANSI_ESCAPE_LINK = `${ANSI_OSC}8;;`;
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const GROUP_REGEX = new RegExp(`(?:\\${ANSI_CSI}(?<code>\\d+)m|\\${ANSI_ESCAPE_LINK}(?<uri>.*)${ANSI_ESCAPE_BELL})`, 'y');
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const getClosingCode = (openingCode) => {
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if (openingCode >= 30 && openingCode <= 37)
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return 39;
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if (openingCode >= 90 && openingCode <= 97)
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return 39;
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if (openingCode >= 40 && openingCode <= 47)
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return 49;
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if (openingCode >= 100 && openingCode <= 107)
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return 49;
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if (openingCode === 1 || openingCode === 2)
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return 22;
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if (openingCode === 3)
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return 23;
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if (openingCode === 4)
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return 24;
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if (openingCode === 7)
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return 27;
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if (openingCode === 8)
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return 28;
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if (openingCode === 9)
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return 29;
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if (openingCode === 0)
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return 0;
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return undefined;
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};
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const wrapAnsiCode = (code) => `${ESC}${ANSI_CSI}${code}${ANSI_SGR_TERMINATOR}`;
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const wrapAnsiHyperlink = (url) => `${ESC}${ANSI_ESCAPE_LINK}${url}${ANSI_ESCAPE_BELL}`;
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const wrapWord = (rows, word, columns) => {
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const characters = word[Symbol.iterator]();
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let isInsideEscape = false;
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let isInsideLinkEscape = false;
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let lastRow = rows.at(-1);
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let visible = lastRow === undefined ? 0 : stringWidth(lastRow);
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let currentCharacter = characters.next();
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let nextCharacter = characters.next();
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let rawCharacterIndex = 0;
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while (!currentCharacter.done) {
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const character = currentCharacter.value;
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const characterLength = stringWidth(character);
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if (visible + characterLength <= columns) {
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rows[rows.length - 1] += character;
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}
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else {
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rows.push(character);
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visible = 0;
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}
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if (character === ESC || character === CSI) {
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isInsideEscape = true;
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isInsideLinkEscape = word.startsWith(ANSI_ESCAPE_LINK, rawCharacterIndex + 1);
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}
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if (isInsideEscape) {
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if (isInsideLinkEscape) {
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if (character === ANSI_ESCAPE_BELL) {
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isInsideEscape = false;
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isInsideLinkEscape = false;
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}
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}
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else if (character === ANSI_SGR_TERMINATOR) {
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isInsideEscape = false;
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}
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}
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else {
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visible += characterLength;
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if (visible === columns && !nextCharacter.done) {
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rows.push('');
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visible = 0;
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}
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}
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currentCharacter = nextCharacter;
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nextCharacter = characters.next();
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rawCharacterIndex += character.length;
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}
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lastRow = rows.at(-1);
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if (!visible && lastRow !== undefined && lastRow.length && rows.length > 1) {
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rows[rows.length - 2] += rows.pop();
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}
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};
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const stringVisibleTrimSpacesRight = (string) => {
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const words = string.split(' ');
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let last = words.length;
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while (last) {
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if (stringWidth(words[last - 1])) {
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break;
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}
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last--;
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}
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if (last === words.length) {
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return string;
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}
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return words.slice(0, last).join(' ') + words.slice(last).join('');
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};
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const exec = (string, columns, options = {}) => {
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if (options.trim !== false && string.trim() === '') {
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return '';
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}
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let returnValue = '';
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let escapeCode;
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let escapeUrl;
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const words = string.split(' ');
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let rows = [''];
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let rowLength = 0;
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for (let index = 0; index < words.length; index++) {
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const word = words[index];
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if (options.trim !== false) {
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const row = rows.at(-1) ?? '';
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const trimmed = row.trimStart();
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if (row.length !== trimmed.length) {
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rows[rows.length - 1] = trimmed;
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rowLength = stringWidth(trimmed);
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}
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}
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if (index !== 0) {
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if (rowLength >= columns &&
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(options.wordWrap === false || options.trim === false)) {
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rows.push('');
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rowLength = 0;
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}
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if (rowLength || options.trim === false) {
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rows[rows.length - 1] += ' ';
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rowLength++;
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}
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}
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const wordLength = stringWidth(word);
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if (options.hard && wordLength > columns) {
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const remainingColumns = columns - rowLength;
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const breaksStartingThisLine = 1 + Math.floor((wordLength - remainingColumns - 1) / columns);
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const breaksStartingNextLine = Math.floor((wordLength - 1) / columns);
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if (breaksStartingNextLine < breaksStartingThisLine) {
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rows.push('');
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}
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wrapWord(rows, word, columns);
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rowLength = stringWidth(rows.at(-1) ?? '');
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continue;
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}
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if (rowLength + wordLength > columns && rowLength && wordLength) {
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if (options.wordWrap === false && rowLength < columns) {
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wrapWord(rows, word, columns);
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rowLength = stringWidth(rows.at(-1) ?? '');
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continue;
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}
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rows.push('');
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rowLength = 0;
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}
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if (rowLength + wordLength > columns && options.wordWrap === false) {
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wrapWord(rows, word, columns);
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rowLength = stringWidth(rows.at(-1) ?? '');
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continue;
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}
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rows[rows.length - 1] += word;
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rowLength += wordLength;
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}
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if (options.trim !== false) {
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rows = rows.map((row) => stringVisibleTrimSpacesRight(row));
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}
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const preString = rows.join('\n');
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let inSurrogate = false;
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for (let i = 0; i < preString.length; i++) {
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const character = preString[i];
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returnValue += character;
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if (!inSurrogate) {
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inSurrogate = character >= '\ud800' && character <= '\udbff';
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}
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else {
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continue;
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}
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if (character === ESC || character === CSI) {
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GROUP_REGEX.lastIndex = i + 1;
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const groupsResult = GROUP_REGEX.exec(preString);
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const groups = groupsResult?.groups;
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if (groups?.code !== undefined) {
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const code = Number.parseFloat(groups.code);
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escapeCode = code === END_CODE ? undefined : code;
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}
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else if (groups?.uri !== undefined) {
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escapeUrl = groups.uri.length === 0 ? undefined : groups.uri;
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}
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}
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if (preString[i + 1] === '\n') {
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if (escapeUrl) {
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returnValue += wrapAnsiHyperlink('');
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}
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const closingCode = escapeCode ? getClosingCode(escapeCode) : undefined;
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if (escapeCode && closingCode) {
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returnValue += wrapAnsiCode(closingCode);
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}
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}
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else if (character === '\n') {
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if (escapeCode && getClosingCode(escapeCode)) {
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returnValue += wrapAnsiCode(escapeCode);
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}
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if (escapeUrl) {
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returnValue += wrapAnsiHyperlink(escapeUrl);
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}
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}
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}
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return returnValue;
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};
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const CRLF_OR_LF = /\r?\n/;
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export function wrapAnsi(string, columns, options) {
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return String(string)
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.normalize()
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.split(CRLF_OR_LF)
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.map((line) => exec(line, columns, options))
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.join('\n');
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}
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//# sourceMappingURL=main.js.map
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+1
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