75 lines
2.3 KiB
Plaintext
75 lines
2.3 KiB
Plaintext
/**
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* @author Toru Nagashima <https://github.com/mysticatea>
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const { Range } = require("semver")
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const { getPackageJson } = require("./get-package-json")
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const getSemverRange = require("./get-semver-range")
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const fallbackRange = new Range(">=16.0.0")
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/**
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* @typedef {{ version:? string } | undefined} VersionOption
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*/
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/**
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* Gets `version` property from a given option object.
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*
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* @param {VersionOption} option - An option object to get.
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* @returns {import("semver").Range|undefined} The `allowModules` value, or `null`.
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*/
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function getVersionRange(option) {
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if (option?.version) {
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return getSemverRange(option.version)
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}
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}
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/**
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* @typedef {{ [EngineName in 'npm' | 'node' | string]?: string }} Engines
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*/
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/**
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* Get the `engines.node` field of package.json.
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* @param {import('eslint').Rule.RuleContext} context The path to the current linting file.
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* @returns {import("semver").Range | undefined} The range object of the `engines.node` field.
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*/
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function getEnginesNode(context) {
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const filename = context.filename ?? context.getFilename()
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const info = getPackageJson(filename)
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if (
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info?.engines != null &&
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typeof info?.engines === "object" &&
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"node" in info.engines &&
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typeof info?.engines?.node === "string"
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) {
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return getSemverRange(info.engines.node)
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}
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}
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/**
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* Gets version configuration.
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*
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* 1. Parse a given version then return it if it's valid.
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* 2. Look package.json up and parse `engines.node` then return it if it's valid.
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* 3. Return `>=16.0.0`.
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*
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* @param {import('eslint').Rule.RuleContext} context The version range text.
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* This will be used to look package.json up if `version` is not a valid version range.
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* @returns {import("semver").Range} The configured version range.
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*/
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module.exports = function getConfiguredNodeVersion(context) {
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return (
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getVersionRange(/** @type {VersionOption} */ (context.options?.[0])) ??
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getVersionRange(/** @type {VersionOption} */ (context.settings?.n)) ??
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getVersionRange(
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/** @type {VersionOption} */ (context.settings?.node)
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) ??
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getEnginesNode(context) ??
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fallbackRange
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)
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}
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module.exports.schema = {
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type: "string",
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}
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