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