ce4c83ff
 wxy
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/**
* @fileoverview Common helpers for naming of plugins, formatters and configs
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const pathUtil = require("../util/path-util");
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
const NAMESPACE_REGEX = /^@.*\//i;
/**
* 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 = pathUtil.convertPathToPosix(normalizedName);
}
if (normalizedName.charAt(0) === "@") {
/**
* it's a scoped package
* package name is the prefix, or just a username
*/
const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`),
scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`);
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(/^@([^/]+)\/(.*)$/, `@$1/${prefix}-$2`);
}
} else if (normalizedName.indexOf(`${prefix}-`) !== 0) {
normalizedName = `${prefix}-${normalizedName}`;
}
return normalizedName;
}
/**
* Removes the prefix from a term.
* @param {string} prefix The prefix to remove.
* @param {string} term The term which may have the prefix.
* @returns {string} The term without prefix.
*/
function removePrefixFromTerm(prefix, term) {
return term.startsWith(prefix) ? term.slice(prefix.length) : term;
}
/**
* Adds a prefix to a term.
* @param {string} prefix The prefix to add.
* @param {string} term The term which may not have the prefix.
* @returns {string} The term with prefix.
*/
function addPrefixToTerm(prefix, term) {
return term.startsWith(prefix) ? term : `${prefix}${term}`;
}
/**
* 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] : "";
}
/**
* Removes the namespace from a term.
* @param {string} term The term which may have the namespace.
* @returns {string} The name of the plugin without the namespace.
*/
function removeNamespaceFromTerm(term) {
return term.replace(NAMESPACE_REGEX, "");
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = {
normalizePackageName,
removePrefixFromTerm,
addPrefixToTerm,
getNamespaceFromTerm,
removeNamespaceFromTerm
};
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