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/**
* @fileoverview Common helpers for naming of plugins, formatters and configs
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const pathUtils = require("../util/path-utils");
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
const NAMESPACE_REGEX = /^@.*\//iu;
/**
* Brings package name to correct format based on prefix
* @param {string} name The name of the package.
* @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter"
* @returns {string} Normalized name of the package
* @private
*/
function normalizePackageName(name, prefix) {
let normalizedName = name;
/**
* On Windows, name can come in with Windows slashes instead of Unix slashes.
* Normalize to Unix first to avoid errors later on.
* https://github.com/eslint/eslint/issues/5644
*/
if (normalizedName.indexOf("\\") > -1) {
normalizedName = pathUtils.convertPathToPosix(normalizedName);
}
if (normalizedName.charAt(0) === "@") {
/**
* it's a scoped package
* package name is the prefix, or just a username
*/
const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, "u"),
scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u");
if (scopedPackageShortcutRegex.test(normalizedName)) {
normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`);
} else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) {
/**
* for scoped packages, insert the prefix after the first / unless
* the path is already @scope/eslint or @scope/eslint-xxx-yyy
*/
normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, `@$1/${prefix}-$2`);
}
} else if (normalizedName.indexOf(`${prefix}-`) !== 0) {
normalizedName = `${prefix}-${normalizedName}`;
}
return normalizedName;
}
/**
* Removes the prefix from a fullname.
* @param {string} fullname The term which may have the prefix.
* @param {string} prefix The prefix to remove.
* @returns {string} The term without prefix.
*/
function getShorthandName(fullname, prefix) {
if (fullname[0] === "@") {
let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec(fullname);
if (matchResult) {
return matchResult[1];
}
matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec(fullname);
if (matchResult) {
return `${matchResult[1]}/${matchResult[2]}`;
}
} else if (fullname.startsWith(`${prefix}-`)) {
return fullname.slice(prefix.length + 1);
}
return fullname;
}
/**
* Gets the scope (namespace) of a term.
* @param {string} term The term which may have the namespace.
* @returns {string} The namepace of the term if it has one.
*/
function getNamespaceFromTerm(term) {
const match = term.match(NAMESPACE_REGEX);
return match ? match[0] : "";
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = {
normalizePackageName,
getShorthandName,
getNamespaceFromTerm
};