index.js 7.9 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.isBrowsersQueryValid = isBrowsersQueryValid;
  6. exports.default = getTargets;
  7. Object.defineProperty(exports, "unreleasedLabels", {
  8. enumerable: true,
  9. get: function () {
  10. return _targets.unreleasedLabels;
  11. }
  12. });
  13. Object.defineProperty(exports, "prettifyTargets", {
  14. enumerable: true,
  15. get: function () {
  16. return _pretty.prettifyTargets;
  17. }
  18. });
  19. Object.defineProperty(exports, "getInclusionReasons", {
  20. enumerable: true,
  21. get: function () {
  22. return _debug.getInclusionReasons;
  23. }
  24. });
  25. Object.defineProperty(exports, "filterItems", {
  26. enumerable: true,
  27. get: function () {
  28. return _filterItems.default;
  29. }
  30. });
  31. Object.defineProperty(exports, "isRequired", {
  32. enumerable: true,
  33. get: function () {
  34. return _filterItems.isRequired;
  35. }
  36. });
  37. var _browserslist = _interopRequireDefault(require("browserslist"));
  38. var _levenary = _interopRequireDefault(require("levenary"));
  39. var _invariant = _interopRequireDefault(require("invariant"));
  40. var _nativeModules = _interopRequireDefault(require("@babel/compat-data/native-modules"));
  41. var _utils = require("./utils");
  42. var _targets = require("./targets");
  43. var _options = require("./options");
  44. var _pretty = require("./pretty");
  45. var _debug = require("./debug");
  46. var _filterItems = _interopRequireWildcard(require("./filter-items"));
  47. function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
  48. function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
  49. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  50. const browserslistDefaults = _browserslist.default.defaults;
  51. const validBrowserslistTargets = [...Object.keys(_browserslist.default.data), ...Object.keys(_browserslist.default.aliases)];
  52. function objectToBrowserslist(object) {
  53. return Object.keys(object).reduce((list, targetName) => {
  54. if (validBrowserslistTargets.indexOf(targetName) >= 0) {
  55. const targetVersion = object[targetName];
  56. return list.concat(`${targetName} ${targetVersion}`);
  57. }
  58. return list;
  59. }, []);
  60. }
  61. function validateTargetNames(targets) {
  62. const validTargets = Object.keys(_options.TargetNames);
  63. for (const target in targets) {
  64. if (!_options.TargetNames[target]) {
  65. throw new Error(`Invalid Option: '${target}' is not a valid target
  66. Maybe you meant to use '${(0, _levenary.default)(target, validTargets)}'?`);
  67. }
  68. }
  69. }
  70. function isBrowsersQueryValid(browsers) {
  71. return typeof browsers === "string" || Array.isArray(browsers);
  72. }
  73. function validateBrowsers(browsers) {
  74. (0, _invariant.default)(typeof browsers === "undefined" || isBrowsersQueryValid(browsers), `Invalid Option: '${browsers}' is not a valid browserslist query`);
  75. return browsers;
  76. }
  77. function mergeBrowsers(fromQuery, fromTarget) {
  78. return Object.keys(fromTarget).reduce((queryObj, targKey) => {
  79. if (targKey !== _options.TargetNames.browsers) {
  80. queryObj[targKey] = fromTarget[targKey];
  81. }
  82. return queryObj;
  83. }, fromQuery);
  84. }
  85. function getLowestVersions(browsers) {
  86. return browsers.reduce((all, browser) => {
  87. const [browserName, browserVersion] = browser.split(" ");
  88. const normalizedBrowserName = _targets.browserNameMap[browserName];
  89. if (!normalizedBrowserName) {
  90. return all;
  91. }
  92. try {
  93. const splitVersion = browserVersion.split("-")[0].toLowerCase();
  94. const isSplitUnreleased = (0, _utils.isUnreleasedVersion)(splitVersion, browserName);
  95. if (!all[normalizedBrowserName]) {
  96. all[normalizedBrowserName] = isSplitUnreleased ? splitVersion : (0, _utils.semverify)(splitVersion);
  97. return all;
  98. }
  99. const version = all[normalizedBrowserName];
  100. const isUnreleased = (0, _utils.isUnreleasedVersion)(version, browserName);
  101. if (isUnreleased && isSplitUnreleased) {
  102. all[normalizedBrowserName] = (0, _utils.getLowestUnreleased)(version, splitVersion, browserName);
  103. } else if (isUnreleased) {
  104. all[normalizedBrowserName] = (0, _utils.semverify)(splitVersion);
  105. } else if (!isUnreleased && !isSplitUnreleased) {
  106. const parsedBrowserVersion = (0, _utils.semverify)(splitVersion);
  107. all[normalizedBrowserName] = (0, _utils.semverMin)(version, parsedBrowserVersion);
  108. }
  109. } catch (e) {}
  110. return all;
  111. }, {});
  112. }
  113. function outputDecimalWarning(decimalTargets) {
  114. if (!decimalTargets || !decimalTargets.length) {
  115. return;
  116. }
  117. console.log("Warning, the following targets are using a decimal version:");
  118. console.log("");
  119. decimalTargets.forEach(({
  120. target,
  121. value
  122. }) => console.log(` ${target}: ${value}`));
  123. console.log("");
  124. console.log("We recommend using a string for minor/patch versions to avoid numbers like 6.10");
  125. console.log("getting parsed as 6.1, which can lead to unexpected behavior.");
  126. console.log("");
  127. }
  128. function semverifyTarget(target, value) {
  129. try {
  130. return (0, _utils.semverify)(value);
  131. } catch (error) {
  132. throw new Error(`Invalid Option: '${value}' is not a valid value for 'targets.${target}'.`);
  133. }
  134. }
  135. const targetParserMap = {
  136. __default(target, value) {
  137. const version = (0, _utils.isUnreleasedVersion)(value, target) ? value.toLowerCase() : semverifyTarget(target, value);
  138. return [target, version];
  139. },
  140. node(target, value) {
  141. const parsed = value === true || value === "current" ? process.versions.node : semverifyTarget(target, value);
  142. return [target, parsed];
  143. }
  144. };
  145. function getTargets(targets = {}, options = {}) {
  146. const targetOpts = {};
  147. validateTargetNames(targets);
  148. if (targets.esmodules) {
  149. const supportsESModules = _nativeModules.default["es6.module"];
  150. targets.browsers = Object.keys(supportsESModules).map(browser => `${browser} ${supportsESModules[browser]}`).join(", ");
  151. }
  152. delete targets.esmodules;
  153. const browsersquery = validateBrowsers(targets.browsers);
  154. const hasTargets = Object.keys(targets).length > 0;
  155. const shouldParseBrowsers = !!targets.browsers;
  156. const shouldSearchForConfig = !options.ignoreBrowserslistConfig && !hasTargets;
  157. if (shouldParseBrowsers || shouldSearchForConfig) {
  158. if (!hasTargets) {
  159. _browserslist.default.defaults = objectToBrowserslist(targets);
  160. }
  161. const browsers = (0, _browserslist.default)(browsersquery, {
  162. path: options.configPath,
  163. mobileToDesktop: true
  164. });
  165. const queryBrowsers = getLowestVersions(browsers);
  166. targets = mergeBrowsers(queryBrowsers, targets);
  167. _browserslist.default.defaults = browserslistDefaults;
  168. }
  169. const parsed = Object.keys(targets).filter(value => value !== _options.TargetNames.esmodules).sort().reduce((results, target) => {
  170. if (target !== _options.TargetNames.browsers) {
  171. const value = targets[target];
  172. if (typeof value === "number" && value % 1 !== 0) {
  173. results.decimalWarnings.push({
  174. target,
  175. value
  176. });
  177. }
  178. const parser = targetParserMap[target] || targetParserMap.__default;
  179. const [parsedTarget, parsedValue] = parser(target, value);
  180. if (parsedValue) {
  181. results.targets[parsedTarget] = parsedValue;
  182. }
  183. }
  184. return results;
  185. }, {
  186. targets: targetOpts,
  187. decimalWarnings: []
  188. });
  189. outputDecimalWarning(parsed.decimalWarnings);
  190. return parsed.targets;
  191. }