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Name	Size	Permission	Action
code-path-analysis	[ DIR ]	drwxr-xr-x
apply-disable-directives.js	18.66 KB	-rw-r--r--
esquery.js	9.1 KB	-rw-r--r--
file-context.js	3.53 KB	-rw-r--r--
file-report.js	18.25 KB	-rw-r--r--
index.js	179 B	-rw-r--r--
interpolate.js	1.31 KB	-rw-r--r--
linter.js	75.61 KB	-rw-r--r--
rule-fixer.js	5.04 KB	-rw-r--r--
rules.js	1.63 KB	-rw-r--r--
source-code-fixer.js	4.11 KB	-rw-r--r--
source-code-traverser.js	9.47 KB	-rw-r--r--
source-code-visitor.js	2.1 KB	-rw-r--r--
timing.js	3.73 KB	-rw-r--r--
vfile.js	2.75 KB	-rw-r--r--

Code Editor : vfile.js

/**
 * @fileoverview Virtual file
 * @author Nicholas C. Zakas
 */

"use strict";

//-----------------------------------------------------------------------------
// Type Definitions
//-----------------------------------------------------------------------------

/** @typedef {import("@eslint/core").File} File */

//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------

/**
 * Determines if a given value has a byte order mark (BOM).
 * @param {string|Uint8Array} value The value to check.
 * @returns {boolean} `true` if the value has a BOM, `false` otherwise.
 */
function hasUnicodeBOM(value) {
	return typeof value === "string"
		? value.charCodeAt(0) === 0xfeff
		: value[0] === 0xef && value[1] === 0xbb && value[2] === 0xbf;
}

/**
 * Strips Unicode BOM from the given value.
 * @param {string|Uint8Array} value The value to remove the BOM from.
 * @returns {string|Uint8Array} The stripped value.
 */
function stripUnicodeBOM(value) {
	if (!hasUnicodeBOM(value)) {
		return value;
	}

if (typeof value === "string") {
		/*
		 * Check Unicode BOM.
		 * In JavaScript, string data is stored as UTF-16, so BOM is 0xFEFF.
		 * http://www.ecma-international.org/ecma-262/6.0/#sec-unicode-format-control-characters
		 */
		return value.slice(1);
	}

/*
	 * In a Uint8Array, the BOM is represented by three bytes: 0xEF, 0xBB, and 0xBF,
	 * so we can just remove the first three bytes.
	 */
	return value.slice(3);
}

//------------------------------------------------------------------------------
// Exports
//------------------------------------------------------------------------------

/**
 * Represents a virtual file inside of ESLint.
 * @implements {File}
 */
class VFile {
	/**
	 * The file path including any processor-created virtual path.
	 * @type {string}
	 * @readonly
	 */
	path;

/**
	 * The file path on disk.
	 * @type {string}
	 * @readonly
	 */
	physicalPath;

/**
	 * The file contents.
	 * @type {string|Uint8Array}
	 * @readonly
	 */
	body;

/**
	 * The raw body of the file, including a BOM if present.
	 * @type {string|Uint8Array}
	 * @readonly
	 */
	rawBody;

/**
	 * Indicates whether the file has a byte order mark (BOM).
	 * @type {boolean}
	 * @readonly
	 */
	bom;

/**
	 * Creates a new instance.
	 * @param {string} path The file path.
	 * @param {string|Uint8Array} body The file contents.
	 * @param {Object} [options] Additional options.
	 * @param {string} [options.physicalPath] The file path on disk.
	 */
	constructor(path, body, { physicalPath } = {}) {
		this.path = path;
		this.physicalPath = physicalPath ?? path;
		this.bom = hasUnicodeBOM(body);
		this.body = stripUnicodeBOM(body);
		this.rawBody = body;
	}
}

module.exports = { VFile };

Urban Research Lab

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.