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- /**
- * @fileoverview Common helpers for naming of plugins, formatters and configs
- */
- "use strict";
- 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.includes("\\")) {
- normalizedName = normalizedName.replace(/\\/gu, "/");
- }
- 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}-$2`);
- }
- } else if (!normalizedName.startsWith(`${prefix}-`)) {
- 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 namespace 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
- };
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