forked from zhurui/management
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
/**
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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") //eslint-disable-line no-unused-vars
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const getPackageJson = require("./get-package-json")
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const getSemverRange = require("./get-semver-range")
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/**
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* Get the `engines.node` field of package.json.
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* @param {string} filename The path to the current linting file.
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* @returns {Range|null} The range object of the `engines.node` field.
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*/
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function getEnginesNode(filename) {
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const info = getPackageJson(filename)
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return getSemverRange(info && info.engines && info.engines.node)
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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 `>=6.0.0`.
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*
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* @param {string|undefined} version The version range text.
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* @param {string} filename The path to the current linting file.
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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 {Range} The configured version range.
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*/
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module.exports = function getConfiguredNodeVersion(version, filename) {
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return (
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getSemverRange(version) ||
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getEnginesNode(filename) ||
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getSemverRange(">=6.0.0")
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)
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}
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