targets-parser.js 7.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242
  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = exports.semverMin = exports.isBrowsersQueryValid = void 0;
  6. function _browserslist() {
  7. const data = _interopRequireDefault(require("browserslist"));
  8. _browserslist = function () {
  9. return data;
  10. };
  11. return data;
  12. }
  13. function _invariant() {
  14. const data = _interopRequireDefault(require("invariant"));
  15. _invariant = function () {
  16. return data;
  17. };
  18. return data;
  19. }
  20. function _semver() {
  21. const data = _interopRequireDefault(require("semver"));
  22. _semver = function () {
  23. return data;
  24. };
  25. return data;
  26. }
  27. var _utils = require("./utils");
  28. var _builtInModules = _interopRequireDefault(require("../data/built-in-modules.json"));
  29. var _options = require("./options");
  30. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  31. const browserslistDefaults = _browserslist().default.defaults;
  32. const validBrowserslistTargets = [...Object.keys(_browserslist().default.data), ...Object.keys(_browserslist().default.aliases)];
  33. const objectToBrowserslist = object => {
  34. return Object.keys(object).reduce((list, targetName) => {
  35. if (validBrowserslistTargets.indexOf(targetName) >= 0) {
  36. const targetVersion = object[targetName];
  37. return list.concat(`${targetName} ${targetVersion}`);
  38. }
  39. return list;
  40. }, []);
  41. };
  42. const validateTargetNames = targets => {
  43. const validTargets = Object.keys(_options.TargetNames);
  44. for (const target in targets) {
  45. if (!_options.TargetNames[target]) {
  46. throw new Error(`Invalid Option: '${target}' is not a valid target
  47. Maybe you meant to use '${(0, _utils.findSuggestion)(validTargets, target)}'?`);
  48. }
  49. }
  50. };
  51. const browserNameMap = {
  52. and_chr: "chrome",
  53. and_ff: "firefox",
  54. android: "android",
  55. chrome: "chrome",
  56. edge: "edge",
  57. firefox: "firefox",
  58. ie: "ie",
  59. ie_mob: "ie",
  60. ios_saf: "ios",
  61. node: "node",
  62. op_mob: "opera",
  63. opera: "opera",
  64. safari: "safari",
  65. samsung: "samsung"
  66. };
  67. const isBrowsersQueryValid = browsers => typeof browsers === "string" || Array.isArray(browsers);
  68. exports.isBrowsersQueryValid = isBrowsersQueryValid;
  69. const validateBrowsers = browsers => {
  70. (0, _invariant().default)(typeof browsers === "undefined" || isBrowsersQueryValid(browsers), `Invalid Option: '${browsers}' is not a valid browserslist query`);
  71. return browsers;
  72. };
  73. const semverMin = (first, second) => {
  74. return first && _semver().default.lt(first, second) ? first : second;
  75. };
  76. exports.semverMin = semverMin;
  77. const 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. const getLowestVersions = browsers => {
  86. return browsers.reduce((all, browser) => {
  87. const [browserName, browserVersion] = browser.split(" ");
  88. const normalizedBrowserName = 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] = semverMin(version, parsedBrowserVersion);
  108. }
  109. } catch (e) {}
  110. return all;
  111. }, {});
  112. };
  113. const 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}: ${value}`));
  123. console.log("");
  124. console.log("We recommend using a string for minor/patch versions to avoid numbers like 6.10");
  125. console.log("getting parsed as 6.1, which can lead to unexpected behavior.");
  126. console.log("");
  127. };
  128. const semverifyTarget = (target, value) => {
  129. try {
  130. return (0, _utils.semverify)(value);
  131. } catch (error) {
  132. throw new Error(`Invalid Option: '${value}' is not a valid value for 'targets.${target}'.`);
  133. }
  134. };
  135. const targetParserMap = {
  136. __default: (target, value) => {
  137. const version = (0, _utils.isUnreleasedVersion)(value, target) ? value.toLowerCase() : semverifyTarget(target, value);
  138. return [target, version];
  139. },
  140. node: (target, value) => {
  141. const parsed = value === true || value === "current" ? process.versions.node : semverifyTarget(target, value);
  142. return [target, parsed];
  143. }
  144. };
  145. const getTargets = (targets = {}, options = {}) => {
  146. const targetOpts = {};
  147. validateTargetNames(targets);
  148. if (targets.esmodules) {
  149. const supportsESModules = _builtInModules.default["es6.module"];
  150. targets.browsers = Object.keys(supportsESModules).map(browser => `${browser} ${supportsESModules[browser]}`).join(", ");
  151. }
  152. const browsersquery = validateBrowsers(targets.browsers);
  153. const hasTargets = Object.keys(targets).length > 0;
  154. const shouldParseBrowsers = !!targets.browsers;
  155. const shouldSearchForConfig = !options.ignoreBrowserslistConfig && !hasTargets;
  156. if (shouldParseBrowsers || shouldSearchForConfig) {
  157. if (!hasTargets) {
  158. _browserslist().default.defaults = objectToBrowserslist(targets);
  159. }
  160. const browsers = (0, _browserslist().default)(browsersquery, {
  161. path: options.configPath,
  162. mobileToDesktop: true
  163. });
  164. const queryBrowsers = getLowestVersions(browsers);
  165. targets = mergeBrowsers(queryBrowsers, targets);
  166. _browserslist().default.defaults = browserslistDefaults;
  167. }
  168. const parsed = Object.keys(targets).filter(value => value !== _options.TargetNames.esmodules).sort().reduce((results, target) => {
  169. if (target !== _options.TargetNames.browsers) {
  170. const value = targets[target];
  171. if (typeof value === "number" && value % 1 !== 0) {
  172. results.decimalWarnings.push({
  173. target,
  174. value
  175. });
  176. }
  177. const parser = targetParserMap[target] || targetParserMap.__default;
  178. const [parsedTarget, parsedValue] = parser(target, value);
  179. if (parsedValue) {
  180. results.targets[parsedTarget] = parsedValue;
  181. }
  182. }
  183. return results;
  184. }, {
  185. targets: targetOpts,
  186. decimalWarnings: []
  187. });
  188. outputDecimalWarning(parsed.decimalWarnings);
  189. return parsed.targets;
  190. };
  191. var _default = getTargets;
  192. exports.default = _default;