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app_vue/node_modules/slice-ansi/index.js

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+'use strict';
+const isFullwidthCodePoint = require('is-fullwidth-code-point');
+const astralRegex = require('astral-regex');
+const ansiStyles = require('ansi-styles');
+
+const ESCAPES = [
+	'\u001B',
+	'\u009B'
+];
+
+const wrapAnsi = code => `${ESCAPES[0]}[${code}m`;
+
+const checkAnsi = (ansiCodes, isEscapes, endAnsiCode) => {
+	let output = [];
+	ansiCodes = [...ansiCodes];
+
+	for (let ansiCode of ansiCodes) {
+		const ansiCodeOrigin = ansiCode;
+		if (ansiCode.includes(';')) {
+			ansiCode = ansiCode.split(';')[0][0] + '0';
+		}
+
+		const item = ansiStyles.codes.get(Number.parseInt(ansiCode, 10));
+		if (item) {
+			const indexEscape = ansiCodes.indexOf(item.toString());
+			if (indexEscape === -1) {
+				output.push(wrapAnsi(isEscapes ? item : ansiCodeOrigin));
+			} else {
+				ansiCodes.splice(indexEscape, 1);
+			}
+		} else if (isEscapes) {
+			output.push(wrapAnsi(0));
+			break;
+		} else {
+			output.push(wrapAnsi(ansiCodeOrigin));
+		}
+	}
+
+	if (isEscapes) {
+		output = output.filter((element, index) => output.indexOf(element) === index);
+
+		if (endAnsiCode !== undefined) {
+			const fistEscapeCode = wrapAnsi(ansiStyles.codes.get(Number.parseInt(endAnsiCode, 10)));
+			output = output.reduce((current, next) => next === fistEscapeCode ? [next, ...current] : [...current, next], []);
+		}
+	}
+
+	return output.join('');
+};
+
+module.exports = (string, begin, end) => {
+	const characters = [...string];
+	const ansiCodes = [];
+
+	let stringEnd = typeof end === 'number' ? end : characters.length;
+	let isInsideEscape = false;
+	let ansiCode;
+	let visible = 0;
+	let output = '';
+
+	for (const [index, character] of characters.entries()) {
+		let leftEscape = false;
+
+		if (ESCAPES.includes(character)) {
+			const code = /\d[^m]*/.exec(string.slice(index, index + 18));
+			ansiCode = code && code.length > 0 ? code[0] : undefined;
+
+			if (visible < stringEnd) {
+				isInsideEscape = true;
+
+				if (ansiCode !== undefined) {
+					ansiCodes.push(ansiCode);
+				}
+			}
+		} else if (isInsideEscape && character === 'm') {
+			isInsideEscape = false;
+			leftEscape = true;
+		}
+
+		if (!isInsideEscape && !leftEscape) {
+			visible++;
+		}
+
+		if (!astralRegex({exact: true}).test(character) && isFullwidthCodePoint(character.codePointAt())) {
+			visible++;
+
+			if (typeof end !== 'number') {
+				stringEnd++;
+			}
+		}
+
+		if (visible > begin && visible <= stringEnd) {
+			output += character;
+		} else if (visible === begin && !isInsideEscape && ansiCode !== undefined) {
+			output = checkAnsi(ansiCodes);
+		} else if (visible >= stringEnd) {
+			output += checkAnsi(ansiCodes, true, ansiCode);
+			break;
+		}
+	}
+
+	return output;
+};