index.js 6.9 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. var _helperPluginUtils = require("@babel/helper-plugin-utils");
  7. var _helperModuleImports = require("@babel/helper-module-imports");
  8. var _core = require("@babel/core");
  9. var _helpers = require("./helpers");
  10. var _getRuntimePath = _interopRequireDefault(require("./get-runtime-path"));
  11. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  12. const _pluginCorejs2 = require("babel-plugin-polyfill-corejs2");
  13. const _pluginCorejs3 = require("babel-plugin-polyfill-corejs3");
  14. const _pluginRegenerator = require("babel-plugin-polyfill-regenerator");
  15. const pluginCorejs2 = _pluginCorejs2.default;
  16. const pluginCorejs3 = _pluginCorejs3.default;
  17. const pluginRegenerator = _pluginRegenerator.default;
  18. const pluginsCompat = "#__secret_key__@babel/runtime__compatibility";
  19. function supportsStaticESM(caller) {
  20. return !!(caller != null && caller.supportsStaticESM);
  21. }
  22. var _default = (0, _helperPluginUtils.declare)((api, options, dirname) => {
  23. api.assertVersion(7);
  24. const {
  25. corejs,
  26. helpers: useRuntimeHelpers = true,
  27. regenerator: useRuntimeRegenerator = true,
  28. useESModules = false,
  29. version: runtimeVersion = "7.0.0-beta.0",
  30. absoluteRuntime = false
  31. } = options;
  32. let proposals = false;
  33. let rawVersion;
  34. if (typeof corejs === "object" && corejs !== null) {
  35. rawVersion = corejs.version;
  36. proposals = Boolean(corejs.proposals);
  37. } else {
  38. rawVersion = corejs;
  39. }
  40. const corejsVersion = rawVersion ? Number(rawVersion) : false;
  41. if (![false, 2, 3].includes(corejsVersion)) {
  42. throw new Error(`The \`core-js\` version must be false, 2 or 3, but got ${JSON.stringify(rawVersion)}.`);
  43. }
  44. if (proposals && (!corejsVersion || corejsVersion < 3)) {
  45. throw new Error("The 'proposals' option is only supported when using 'corejs: 3'");
  46. }
  47. if (typeof useRuntimeRegenerator !== "boolean") {
  48. throw new Error("The 'regenerator' option must be undefined, or a boolean.");
  49. }
  50. if (typeof useRuntimeHelpers !== "boolean") {
  51. throw new Error("The 'helpers' option must be undefined, or a boolean.");
  52. }
  53. if (typeof useESModules !== "boolean" && useESModules !== "auto") {
  54. throw new Error("The 'useESModules' option must be undefined, or a boolean, or 'auto'.");
  55. }
  56. if (typeof absoluteRuntime !== "boolean" && typeof absoluteRuntime !== "string") {
  57. throw new Error("The 'absoluteRuntime' option must be undefined, a boolean, or a string.");
  58. }
  59. if (typeof runtimeVersion !== "string") {
  60. throw new Error(`The 'version' option must be a version string.`);
  61. }
  62. const DUAL_MODE_RUNTIME = "7.13.0";
  63. const supportsCJSDefault = (0, _helpers.hasMinVersion)(DUAL_MODE_RUNTIME, runtimeVersion);
  64. function has(obj, key) {
  65. return Object.prototype.hasOwnProperty.call(obj, key);
  66. }
  67. if (has(options, "useBuiltIns")) {
  68. if (options.useBuiltIns) {
  69. throw new Error("The 'useBuiltIns' option has been removed. The @babel/runtime " + "module now uses builtins by default.");
  70. } else {
  71. throw new Error("The 'useBuiltIns' option has been removed. Use the 'corejs'" + "option to polyfill with `core-js` via @babel/runtime.");
  72. }
  73. }
  74. if (has(options, "polyfill")) {
  75. if (options.polyfill === false) {
  76. throw new Error("The 'polyfill' option has been removed. The @babel/runtime " + "module now skips polyfilling by default.");
  77. } else {
  78. throw new Error("The 'polyfill' option has been removed. Use the 'corejs'" + "option to polyfill with `core-js` via @babel/runtime.");
  79. }
  80. }
  81. if (has(options, "moduleName")) {
  82. throw new Error("The 'moduleName' option has been removed. @babel/transform-runtime " + "no longer supports arbitrary runtimes. If you were using this to " + "set an absolute path for Babel's standard runtimes, please use the " + "'absoluteRuntime' option.");
  83. }
  84. const esModules = useESModules === "auto" ? api.caller(supportsStaticESM) : useESModules;
  85. const injectCoreJS2 = corejsVersion === 2;
  86. const injectCoreJS3 = corejsVersion === 3;
  87. const moduleName = injectCoreJS3 ? "@babel/runtime-corejs3" : injectCoreJS2 ? "@babel/runtime-corejs2" : "@babel/runtime";
  88. const HEADER_HELPERS = ["interopRequireWildcard", "interopRequireDefault"];
  89. const modulePath = (0, _getRuntimePath.default)(moduleName, dirname, absoluteRuntime);
  90. function createCorejsPlgin(plugin, options, regeneratorPlugin) {
  91. return (api, _, filename) => {
  92. return Object.assign({}, plugin(api, options, filename), {
  93. inherits: regeneratorPlugin
  94. });
  95. };
  96. }
  97. function createRegeneratorPlugin(options) {
  98. if (!useRuntimeRegenerator) return undefined;
  99. return (api, _, filename) => {
  100. return pluginRegenerator(api, options, filename);
  101. };
  102. }
  103. const corejsExt = absoluteRuntime ? ".js" : "";
  104. return {
  105. name: "transform-runtime",
  106. inherits: injectCoreJS2 ? createCorejsPlgin(pluginCorejs2, {
  107. method: "usage-pure",
  108. [pluginsCompat]: {
  109. runtimeVersion,
  110. useBabelRuntime: modulePath,
  111. ext: corejsExt
  112. }
  113. }, createRegeneratorPlugin({
  114. method: "usage-pure",
  115. [pluginsCompat]: {
  116. useBabelRuntime: modulePath
  117. }
  118. })) : injectCoreJS3 ? createCorejsPlgin(pluginCorejs3, {
  119. method: "usage-pure",
  120. version: 3,
  121. proposals,
  122. [pluginsCompat]: {
  123. useBabelRuntime: modulePath,
  124. ext: corejsExt
  125. }
  126. }, createRegeneratorPlugin({
  127. method: "usage-pure",
  128. [pluginsCompat]: {
  129. useBabelRuntime: modulePath
  130. }
  131. })) : createRegeneratorPlugin({
  132. method: "usage-pure",
  133. [pluginsCompat]: {
  134. useBabelRuntime: modulePath
  135. }
  136. }),
  137. pre(file) {
  138. if (!useRuntimeHelpers) return;
  139. file.set("helperGenerator", name => {
  140. if (file.availableHelper && !file.availableHelper(name, runtimeVersion)) {
  141. return;
  142. }
  143. const isInteropHelper = HEADER_HELPERS.indexOf(name) !== -1;
  144. const blockHoist = isInteropHelper && !(0, _helperModuleImports.isModule)(file.path) ? 4 : undefined;
  145. const helpersDir = esModules && file.path.node.sourceType === "module" ? "helpers/esm" : "helpers";
  146. return addDefaultImport(`${modulePath}/${helpersDir}/${name}`, name, blockHoist, true);
  147. });
  148. const cache = new Map();
  149. function addDefaultImport(source, nameHint, blockHoist, isHelper = false) {
  150. const cacheKey = (0, _helperModuleImports.isModule)(file.path);
  151. const key = `${source}:${nameHint}:${cacheKey || ""}`;
  152. let cached = cache.get(key);
  153. if (cached) {
  154. cached = _core.types.cloneNode(cached);
  155. } else {
  156. cached = (0, _helperModuleImports.addDefault)(file.path, source, {
  157. importedInterop: isHelper && supportsCJSDefault ? "compiled" : "uncompiled",
  158. nameHint,
  159. blockHoist
  160. });
  161. cache.set(key, cached);
  162. }
  163. return cached;
  164. }
  165. }
  166. };
  167. });
  168. exports.default = _default;