Files
upload-google-play/node_modules/wrap-ansi/index.js
Drew Heavner bdde081050 Fixed #1 - Fixed the whatsnew-** script for loading release notes into builds
Added test to ensure that release notes are parsed properly
Updated to latest dependencies to fix security vulnerability
Updated GH Actions Workflow to run test before updating tag
Updated README.md to reflect proper whatsnew documentation.
2020-01-30 11:14:51 -05:00

189 lines
4.6 KiB
JavaScript
Executable File

'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');
};