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/**
* @author Toru Nagashima
* @copyright 2017 Toru Nagashima. All rights reserved.
* See LICENSE file in root directory for full license.
*/
"use strict"
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const getAllowModules = require("./get-allow-modules")
const getPackageJson = require("./get-package-json")
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
/**
* Checks whether or not each requirement target is published via package.json.
*
* It reads package.json and checks the target exists in `dependencies`.
*
* @param {RuleContext} context - A context to report.
* @param {string} filePath - The current file path.
* @param {ImportTarget[]} targets - A list of target information to check.
* @returns {void}
*/
module.exports = function checkForExtraneous(context, filePath, targets) {
const packageInfo = getPackageJson(filePath)
if (!packageInfo) {
return
}
const allowed = new Set(getAllowModules(context))
const dependencies = new Set(
[].concat(
Object.keys(packageInfo.dependencies || {}),
Object.keys(packageInfo.devDependencies || {}),
Object.keys(packageInfo.peerDependencies || {}),
Object.keys(packageInfo.optionalDependencies || {})
)
)
for (const target of targets) {
const extraneous = (
target.moduleName != null &&
target.filePath != null &&
!dependencies.has(target.moduleName) &&
!allowed.has(target.moduleName)
)
if (extraneous) {
context.report({
node: target.node,
loc: target.node.loc,
message: "\"{{moduleName}}\" is extraneous.",
data: target,
})
}
}
}
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