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Name	Size	Last Modified
[F]index.js Edit	5.93 KB	2022-10-08 17:28:19
[F]templates.js Edit	3.29 KB	2022-10-08 17:28:19
[F]util.js Edit	1.01 KB	2022-10-08 17:28:19

Editing: templates.js

'use strict';
const TEMPLATE_REGEX = /(?:\$u(?:[a-f\d]{4}|\{[a-f\d]{1,6}\})|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*$)?(?:\.\w+(?:$[^)]*$)?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
const STYLE_REGEX = /(?:^|\.)(\w+)(?:$([^)]*)$)?/g;
const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/;
const ESCAPE_REGEX = /\\(u(?:[a-f\d]{4}|{[a-f\d]{1,6}})|x[a-f\d]{2}|.)|([^\\])/gi;

const ESCAPES = new Map([
	['n', '\n'],
	['r', '\r'],
	['t', '\t'],
	['b', '\b'],
	['f', '\f'],
	['v', '\v'],
	['0', '\0'],
	['\\', '\\'],
	['e', '\u001B'],
	['a', '\u0007']
]);

function unescape(c) {
	const u = c[0] === 'u';
	const bracket = c[1] === '{';

if ((u && !bracket && c.length === 5) || (c[0] === 'x' && c.length === 3)) {
		return String.fromCharCode(parseInt(c.slice(1), 16));
	}

if (u && bracket) {
		return String.fromCodePoint(parseInt(c.slice(2, -1), 16));
	}

return ESCAPES.get(c) || c;
}

function parseArguments(name, arguments_) {
	const results = [];
	const chunks = arguments_.trim().split(/\s*,\s*/g);
	let matches;

for (const chunk of chunks) {
		const number = Number(chunk);
		if (!Number.isNaN(number)) {
			results.push(number);
		} else if ((matches = chunk.match(STRING_REGEX))) {
			results.push(matches[2].replace(ESCAPE_REGEX, (m, escape, character) => escape ? unescape(escape) : character));
		} else {
			throw new Error(`Invalid Chalk template style argument: ${chunk} (in style '${name}')`);
		}
	}

return results;
}

function parseStyle(style) {
	STYLE_REGEX.lastIndex = 0;

const results = [];
	let matches;

while ((matches = STYLE_REGEX.exec(style)) !== null) {
		const name = matches[1];

if (matches[2]) {
			const args = parseArguments(name, matches[2]);
			results.push([name].concat(args));
		} else {
			results.push([name]);
		}
	}

return results;
}

function buildStyle(chalk, styles) {
	const enabled = {};

for (const layer of styles) {
		for (const style of layer.styles) {
			enabled[style[0]] = layer.inverse ? null : style.slice(1);
		}
	}

let current = chalk;
	for (const [styleName, styles] of Object.entries(enabled)) {
		if (!Array.isArray(styles)) {
			continue;
		}

if (!(styleName in current)) {
			throw new Error(`Unknown Chalk style: ${styleName}`);
		}

current = styles.length > 0 ? current[styleName](...styles) : current[styleName];
	}

return current;
}

module.exports = (chalk, temporary) => {
	const styles = [];
	const chunks = [];
	let chunk = [];

// eslint-disable-next-line max-params
	temporary.replace(TEMPLATE_REGEX, (m, escapeCharacter, inverse, style, close, character) => {
		if (escapeCharacter) {
			chunk.push(unescape(escapeCharacter));
		} else if (style) {
			const string = chunk.join('');
			chunk = [];
			chunks.push(styles.length === 0 ? string : buildStyle(chalk, styles)(string));
			styles.push({inverse, styles: parseStyle(style)});
		} else if (close) {
			if (styles.length === 0) {
				throw new Error('Found extraneous } in Chalk template literal');
			}

chunks.push(buildStyle(chalk, styles)(chunk.join('')));
			chunk = [];
			styles.pop();
		} else {
			chunk.push(character);
		}
	});

chunks.push(chunk.join(''));

if (styles.length > 0) {
		const errMessage = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`;
		throw new Error(errMessage);
	}

return chunks.join('');
};

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