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/** | |
* @fileoverview Common helpers for naming of plugins, formatters and configs | |
*/ | |
; | |
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 | |
}; | |