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author | 2020-11-18 23:26:45 +0100 | |
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committer | 2020-11-18 23:26:45 +0100 | |
commit | 81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch) | |
tree | 8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/wrap-ansi/index.js | |
parent | 1870f3fdf43707a15fda0f609a021f516f45eb63 (diff) | |
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rm node_modules
Diffstat (limited to 'node_modules/wrap-ansi/index.js')
-rwxr-xr-x | node_modules/wrap-ansi/index.js | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/node_modules/wrap-ansi/index.js b/node_modules/wrap-ansi/index.js deleted file mode 100755 index 5038bb0..0000000 --- a/node_modules/wrap-ansi/index.js +++ /dev/null @@ -1,188 +0,0 @@ -'use strict'; -const stringWidth = require('string-width'); -const stripAnsi = require('strip-ansi'); -const ansiStyles = require('ansi-styles'); - -const ESCAPES = new Set([ - '\u001B', - '\u009B' -]); - -const END_CODE = 39; - -const wrapAnsi = code => `${ESCAPES.values().next().value}[${code}m`; - -// Calculate the length of words split on ' ', ignoring -// the extra characters added by ansi escape codes -const wordLengths = string => string.split(' ').map(character => stringWidth(character)); - -// Wrap a long word across multiple rows -// Ansi escape codes do not count towards length -const wrapWord = (rows, word, columns) => { - const characters = [...word]; - - let insideEscape = false; - let visible = stringWidth(stripAnsi(rows[rows.length - 1])); - - for (const [index, character] of characters.entries()) { - const characterLength = stringWidth(character); - - if (visible + characterLength <= columns) { - rows[rows.length - 1] += character; - } else { - rows.push(character); - visible = 0; - } - - if (ESCAPES.has(character)) { - insideEscape = true; - } else if (insideEscape && character === 'm') { - insideEscape = false; - continue; - } - - if (insideEscape) { - continue; - } - - visible += characterLength; - - if (visible === columns && index < characters.length - 1) { - rows.push(''); - visible = 0; - } - } - - // It's possible that the last row we copy over is only - // ansi escape characters, handle this edge-case - if (!visible && rows[rows.length - 1].length > 0 && rows.length > 1) { - rows[rows.length - 2] += rows.pop(); - } -}; - -// Trims spaces from a string ignoring invisible sequences -const stringVisibleTrimSpacesRight = str => { - const words = str.split(' '); - let last = words.length; - - while (last > 0) { - if (stringWidth(words[last - 1]) > 0) { - break; - } - - last--; - } - - if (last === words.length) { - return str; - } - - return words.slice(0, last).join(' ') + words.slice(last).join(''); -}; - -// The wrap-ansi module can be invoked -// in either 'hard' or 'soft' wrap mode -// -// 'hard' will never allow a string to take up more -// than columns characters -// -// 'soft' allows long words to expand past the column length -const exec = (string, columns, options = {}) => { - if (options.trim !== false && string.trim() === '') { - return ''; - } - - let pre = ''; - let ret = ''; - let escapeCode; - - const lengths = wordLengths(string); - let rows = ['']; - - for (const [index, word] of string.split(' ').entries()) { - if (options.trim !== false) { - rows[rows.length - 1] = rows[rows.length - 1].trimLeft(); - } - - let rowLength = stringWidth(rows[rows.length - 1]); - - if (index !== 0) { - if (rowLength >= columns && (options.wordWrap === false || options.trim === false)) { - // If we start with a new word but the current row length equals the length of the columns, add a new row - rows.push(''); - rowLength = 0; - } - - if (rowLength > 0 || options.trim === false) { - rows[rows.length - 1] += ' '; - rowLength++; - } - } - - // In 'hard' wrap mode, the length of a line is - // never allowed to extend past 'columns' - if (options.hard && lengths[index] > columns) { - const remainingColumns = (columns - rowLength); - const breaksStartingThisLine = 1 + Math.floor((lengths[index] - remainingColumns - 1) / columns); - const breaksStartingNextLine = Math.floor((lengths[index] - 1) / columns); - if (breaksStartingNextLine < breaksStartingThisLine) { - rows.push(''); - } - - wrapWord(rows, word, columns); - continue; - } - - if (rowLength + lengths[index] > columns && rowLength > 0 && lengths[index] > 0) { - if (options.wordWrap === false && rowLength < columns) { - wrapWord(rows, word, columns); - continue; - } - - rows.push(''); - } - - if (rowLength + lengths[index] > columns && options.wordWrap === false) { - wrapWord(rows, word, columns); - continue; - } - - rows[rows.length - 1] += word; - } - - if (options.trim !== false) { - rows = rows.map(stringVisibleTrimSpacesRight); - } - - pre = rows.join('\n'); - - for (const [index, character] of [...pre].entries()) { - ret += character; - - if (ESCAPES.has(character)) { - const code = parseFloat(/\d[^m]*/.exec(pre.slice(index, index + 4))); - escapeCode = code === END_CODE ? null : code; - } - - const code = ansiStyles.codes.get(Number(escapeCode)); - - if (escapeCode && code) { - if (pre[index + 1] === '\n') { - ret += wrapAnsi(code); - } else if (character === '\n') { - ret += wrapAnsi(escapeCode); - } - } - } - - return ret; -}; - -// For each newline, invoke the method separately -module.exports = (string, columns, options) => { - return String(string) - .normalize() - .split('\n') - .map(line => exec(line, columns, options)) - .join('\n'); -}; |