"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "TargetNames", {
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enumerable: true,
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get: function () {
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return _options.TargetNames;
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}
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});
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exports.default = getTargets;
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Object.defineProperty(exports, "filterItems", {
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enumerable: true,
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get: function () {
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return _filterItems.default;
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}
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});
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Object.defineProperty(exports, "getInclusionReasons", {
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enumerable: true,
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get: function () {
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return _debug.getInclusionReasons;
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}
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});
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exports.isBrowsersQueryValid = isBrowsersQueryValid;
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Object.defineProperty(exports, "isRequired", {
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enumerable: true,
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get: function () {
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return _filterItems.isRequired;
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}
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});
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Object.defineProperty(exports, "prettifyTargets", {
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enumerable: true,
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get: function () {
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return _pretty.prettifyTargets;
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}
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});
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Object.defineProperty(exports, "unreleasedLabels", {
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enumerable: true,
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get: function () {
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return _targets.unreleasedLabels;
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}
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});
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var _browserslist = require("browserslist");
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var _helperValidatorOption = require("@babel/helper-validator-option");
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var _nativeModules = require("@babel/compat-data/native-modules");
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var _lruCache = require("lru-cache");
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var _utils = require("./utils");
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var _targets = require("./targets");
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var _options = require("./options");
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var _pretty = require("./pretty");
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var _debug = require("./debug");
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var _filterItems = require("./filter-items");
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const ESM_SUPPORT = _nativeModules["es6.module"];
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const v = new _helperValidatorOption.OptionValidator("@babel/helper-compilation-targets");
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function validateTargetNames(targets) {
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const validTargets = Object.keys(_options.TargetNames);
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for (const target of Object.keys(targets)) {
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if (!(target in _options.TargetNames)) {
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throw new Error(v.formatMessage(`'${target}' is not a valid target
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- Did you mean '${(0, _helperValidatorOption.findSuggestion)(target, validTargets)}'?`));
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}
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}
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return targets;
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}
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function isBrowsersQueryValid(browsers) {
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return typeof browsers === "string" || Array.isArray(browsers) && browsers.every(b => typeof b === "string");
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}
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function validateBrowsers(browsers) {
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v.invariant(browsers === undefined || isBrowsersQueryValid(browsers), `'${String(browsers)}' is not a valid browserslist query`);
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return browsers;
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}
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function getLowestVersions(browsers) {
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return browsers.reduce((all, browser) => {
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const [browserName, browserVersion] = browser.split(" ");
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const target = _targets.browserNameMap[browserName];
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if (!target) {
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return all;
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}
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try {
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const splitVersion = browserVersion.split("-")[0].toLowerCase();
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const isSplitUnreleased = (0, _utils.isUnreleasedVersion)(splitVersion, target);
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if (!all[target]) {
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all[target] = isSplitUnreleased ? splitVersion : (0, _utils.semverify)(splitVersion);
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return all;
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}
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const version = all[target];
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const isUnreleased = (0, _utils.isUnreleasedVersion)(version, target);
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if (isUnreleased && isSplitUnreleased) {
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all[target] = (0, _utils.getLowestUnreleased)(version, splitVersion, target);
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} else if (isUnreleased) {
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all[target] = (0, _utils.semverify)(splitVersion);
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} else if (!isUnreleased && !isSplitUnreleased) {
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const parsedBrowserVersion = (0, _utils.semverify)(splitVersion);
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all[target] = (0, _utils.semverMin)(version, parsedBrowserVersion);
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}
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} catch (e) {}
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return all;
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}, {});
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}
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function outputDecimalWarning(decimalTargets) {
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if (!decimalTargets.length) {
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return;
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}
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console.warn("Warning, the following targets are using a decimal version:\n");
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decimalTargets.forEach(({
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target,
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value
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}) => console.warn(` ${target}: ${value}`));
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console.warn(`
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We recommend using a string for minor/patch versions to avoid numbers like 6.10
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getting parsed as 6.1, which can lead to unexpected behavior.
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`);
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}
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function semverifyTarget(target, value) {
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try {
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return (0, _utils.semverify)(value);
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} catch (error) {
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throw new Error(v.formatMessage(`'${value}' is not a valid value for 'targets.${target}'.`));
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}
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}
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function nodeTargetParser(value) {
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const parsed = value === true || value === "current" ? process.versions.node : semverifyTarget("node", value);
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return ["node", parsed];
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}
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function defaultTargetParser(target, value) {
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const version = (0, _utils.isUnreleasedVersion)(value, target) ? value.toLowerCase() : semverifyTarget(target, value);
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return [target, version];
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}
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function generateTargets(inputTargets) {
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const input = Object.assign({}, inputTargets);
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delete input.esmodules;
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delete input.browsers;
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return input;
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}
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function resolveTargets(queries, env) {
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const resolved = _browserslist(queries, {
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mobileToDesktop: true,
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env
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});
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return getLowestVersions(resolved);
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}
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const targetsCache = new _lruCache({
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max: 64
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});
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function resolveTargetsCached(queries, env) {
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const cacheKey = typeof queries === "string" ? queries : queries.join() + env;
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let cached = targetsCache.get(cacheKey);
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if (!cached) {
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cached = resolveTargets(queries, env);
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targetsCache.set(cacheKey, cached);
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}
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return Object.assign({}, cached);
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}
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function getTargets(inputTargets = {}, options = {}) {
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var _browsers, _browsers2;
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let {
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browsers,
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esmodules
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} = inputTargets;
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const {
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configPath = "."
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} = options;
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validateBrowsers(browsers);
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const input = generateTargets(inputTargets);
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let targets = validateTargetNames(input);
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const shouldParseBrowsers = !!browsers;
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const hasTargets = shouldParseBrowsers || Object.keys(targets).length > 0;
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const shouldSearchForConfig = !options.ignoreBrowserslistConfig && !hasTargets;
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if (!browsers && shouldSearchForConfig) {
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browsers = _browserslist.loadConfig({
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config: options.configFile,
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path: configPath,
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env: options.browserslistEnv
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});
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if (browsers == null) {
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{
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browsers = [];
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}
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}
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}
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if (esmodules && (esmodules !== "intersect" || !((_browsers = browsers) != null && _browsers.length))) {
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browsers = Object.keys(ESM_SUPPORT).map(browser => `${browser} >= ${ESM_SUPPORT[browser]}`).join(", ");
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esmodules = false;
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}
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if ((_browsers2 = browsers) != null && _browsers2.length) {
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const queryBrowsers = resolveTargetsCached(browsers, options.browserslistEnv);
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if (esmodules === "intersect") {
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for (const browser of Object.keys(queryBrowsers)) {
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const version = queryBrowsers[browser];
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const esmSupportVersion =
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ESM_SUPPORT[browser];
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if (esmSupportVersion) {
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queryBrowsers[browser] = (0, _utils.getHighestUnreleased)(version, (0, _utils.semverify)(esmSupportVersion), browser);
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} else {
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delete queryBrowsers[browser];
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}
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}
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}
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targets = Object.assign(queryBrowsers, targets);
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}
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const result = {};
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const decimalWarnings = [];
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for (const target of Object.keys(targets).sort()) {
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const value = targets[target];
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if (typeof value === "number" && value % 1 !== 0) {
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decimalWarnings.push({
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target,
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value
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});
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}
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const [parsedTarget, parsedValue] = target === "node" ? nodeTargetParser(value) : defaultTargetParser(target, value);
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if (parsedValue) {
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result[parsedTarget] = parsedValue;
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}
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}
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outputDecimalWarning(decimalWarnings);
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return result;
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}
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//# sourceMappingURL=index.js.map
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