expressions.js 7.5 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.LogicalExpression = exports.BinaryExpression = exports.AssignmentExpression = AssignmentExpression;
  6. exports.AssignmentPattern = AssignmentPattern;
  7. exports.AwaitExpression = AwaitExpression;
  8. exports.BindExpression = BindExpression;
  9. exports.CallExpression = CallExpression;
  10. exports.ConditionalExpression = ConditionalExpression;
  11. exports.Decorator = Decorator;
  12. exports.DoExpression = DoExpression;
  13. exports.EmptyStatement = EmptyStatement;
  14. exports.ExpressionStatement = ExpressionStatement;
  15. exports.Import = Import;
  16. exports.MemberExpression = MemberExpression;
  17. exports.MetaProperty = MetaProperty;
  18. exports.ModuleExpression = ModuleExpression;
  19. exports.NewExpression = NewExpression;
  20. exports.OptionalCallExpression = OptionalCallExpression;
  21. exports.OptionalMemberExpression = OptionalMemberExpression;
  22. exports.ParenthesizedExpression = ParenthesizedExpression;
  23. exports.PrivateName = PrivateName;
  24. exports.SequenceExpression = SequenceExpression;
  25. exports.Super = Super;
  26. exports.ThisExpression = ThisExpression;
  27. exports.UnaryExpression = UnaryExpression;
  28. exports.UpdateExpression = UpdateExpression;
  29. exports.V8IntrinsicIdentifier = V8IntrinsicIdentifier;
  30. exports.YieldExpression = YieldExpression;
  31. exports._shouldPrintDecoratorsBeforeExport = _shouldPrintDecoratorsBeforeExport;
  32. var _t = require("@babel/types");
  33. var _index = require("../node/index.js");
  34. const {
  35. isCallExpression,
  36. isLiteral,
  37. isMemberExpression,
  38. isNewExpression,
  39. isPattern
  40. } = _t;
  41. function UnaryExpression(node) {
  42. const {
  43. operator
  44. } = node;
  45. if (operator === "void" || operator === "delete" || operator === "typeof" || operator === "throw") {
  46. this.word(operator);
  47. this.space();
  48. } else {
  49. this.token(operator);
  50. }
  51. this.print(node.argument);
  52. }
  53. function DoExpression(node) {
  54. if (node.async) {
  55. this.word("async", true);
  56. this.space();
  57. }
  58. this.word("do");
  59. this.space();
  60. this.print(node.body);
  61. }
  62. function ParenthesizedExpression(node) {
  63. this.tokenChar(40);
  64. const exit = this.enterDelimited();
  65. this.print(node.expression);
  66. exit();
  67. this.rightParens(node);
  68. }
  69. function UpdateExpression(node) {
  70. if (node.prefix) {
  71. this.token(node.operator);
  72. this.print(node.argument);
  73. } else {
  74. this.print(node.argument, true);
  75. this.token(node.operator);
  76. }
  77. }
  78. function ConditionalExpression(node) {
  79. this.print(node.test);
  80. this.space();
  81. this.tokenChar(63);
  82. this.space();
  83. this.print(node.consequent);
  84. this.space();
  85. this.tokenChar(58);
  86. this.space();
  87. this.print(node.alternate);
  88. }
  89. function NewExpression(node, parent) {
  90. this.word("new");
  91. this.space();
  92. this.print(node.callee);
  93. if (this.format.minified && node.arguments.length === 0 && !node.optional && !isCallExpression(parent, {
  94. callee: node
  95. }) && !isMemberExpression(parent) && !isNewExpression(parent)) {
  96. return;
  97. }
  98. this.print(node.typeArguments);
  99. {
  100. this.print(node.typeParameters);
  101. }
  102. if (node.optional) {
  103. this.token("?.");
  104. }
  105. if (node.arguments.length === 0 && this.tokenMap && !this.tokenMap.endMatches(node, ")")) {
  106. return;
  107. }
  108. this.tokenChar(40);
  109. const exit = this.enterDelimited();
  110. this.printList(node.arguments, this.shouldPrintTrailingComma(")"));
  111. exit();
  112. this.rightParens(node);
  113. }
  114. function SequenceExpression(node) {
  115. this.printList(node.expressions);
  116. }
  117. function ThisExpression() {
  118. this.word("this");
  119. }
  120. function Super() {
  121. this.word("super");
  122. }
  123. function _shouldPrintDecoratorsBeforeExport(node) {
  124. if (typeof this.format.decoratorsBeforeExport === "boolean") {
  125. return this.format.decoratorsBeforeExport;
  126. }
  127. return typeof node.start === "number" && node.start === node.declaration.start;
  128. }
  129. function Decorator(node) {
  130. this.tokenChar(64);
  131. this.print(node.expression);
  132. this.newline();
  133. }
  134. function OptionalMemberExpression(node) {
  135. let {
  136. computed
  137. } = node;
  138. const {
  139. optional,
  140. property
  141. } = node;
  142. this.print(node.object);
  143. if (!computed && isMemberExpression(property)) {
  144. throw new TypeError("Got a MemberExpression for MemberExpression property");
  145. }
  146. if (isLiteral(property) && typeof property.value === "number") {
  147. computed = true;
  148. }
  149. if (optional) {
  150. this.token("?.");
  151. }
  152. if (computed) {
  153. this.tokenChar(91);
  154. this.print(property);
  155. this.tokenChar(93);
  156. } else {
  157. if (!optional) {
  158. this.tokenChar(46);
  159. }
  160. this.print(property);
  161. }
  162. }
  163. function OptionalCallExpression(node) {
  164. this.print(node.callee);
  165. {
  166. this.print(node.typeParameters);
  167. }
  168. if (node.optional) {
  169. this.token("?.");
  170. }
  171. this.print(node.typeArguments);
  172. this.tokenChar(40);
  173. const exit = this.enterDelimited();
  174. this.printList(node.arguments);
  175. exit();
  176. this.rightParens(node);
  177. }
  178. function CallExpression(node) {
  179. this.print(node.callee);
  180. this.print(node.typeArguments);
  181. {
  182. this.print(node.typeParameters);
  183. }
  184. this.tokenChar(40);
  185. const exit = this.enterDelimited();
  186. this.printList(node.arguments, this.shouldPrintTrailingComma(")"));
  187. exit();
  188. this.rightParens(node);
  189. }
  190. function Import() {
  191. this.word("import");
  192. }
  193. function AwaitExpression(node) {
  194. this.word("await");
  195. this.space();
  196. this.print(node.argument);
  197. }
  198. function YieldExpression(node) {
  199. if (node.delegate) {
  200. this.word("yield", true);
  201. this.tokenChar(42);
  202. if (node.argument) {
  203. this.space();
  204. this.print(node.argument);
  205. }
  206. } else if (node.argument) {
  207. this.word("yield", true);
  208. this.space();
  209. this.print(node.argument);
  210. } else {
  211. this.word("yield");
  212. }
  213. }
  214. function EmptyStatement() {
  215. this.semicolon(true);
  216. }
  217. function ExpressionStatement(node) {
  218. this.tokenContext |= _index.TokenContext.expressionStatement;
  219. this.print(node.expression);
  220. this.semicolon();
  221. }
  222. function AssignmentPattern(node) {
  223. this.print(node.left);
  224. if (node.left.type === "Identifier" || isPattern(node.left)) {
  225. if (node.left.optional) this.tokenChar(63);
  226. this.print(node.left.typeAnnotation);
  227. }
  228. this.space();
  229. this.tokenChar(61);
  230. this.space();
  231. this.print(node.right);
  232. }
  233. function AssignmentExpression(node) {
  234. this.print(node.left);
  235. this.space();
  236. if (node.operator === "in" || node.operator === "instanceof") {
  237. this.word(node.operator);
  238. } else {
  239. this.token(node.operator);
  240. this._endsWithDiv = node.operator === "/";
  241. }
  242. this.space();
  243. this.print(node.right);
  244. }
  245. function BindExpression(node) {
  246. this.print(node.object);
  247. this.token("::");
  248. this.print(node.callee);
  249. }
  250. function MemberExpression(node) {
  251. this.print(node.object);
  252. if (!node.computed && isMemberExpression(node.property)) {
  253. throw new TypeError("Got a MemberExpression for MemberExpression property");
  254. }
  255. let computed = node.computed;
  256. if (isLiteral(node.property) && typeof node.property.value === "number") {
  257. computed = true;
  258. }
  259. if (computed) {
  260. const exit = this.enterDelimited();
  261. this.tokenChar(91);
  262. this.print(node.property);
  263. this.tokenChar(93);
  264. exit();
  265. } else {
  266. this.tokenChar(46);
  267. this.print(node.property);
  268. }
  269. }
  270. function MetaProperty(node) {
  271. this.print(node.meta);
  272. this.tokenChar(46);
  273. this.print(node.property);
  274. }
  275. function PrivateName(node) {
  276. this.tokenChar(35);
  277. this.print(node.id);
  278. }
  279. function V8IntrinsicIdentifier(node) {
  280. this.tokenChar(37);
  281. this.word(node.name);
  282. }
  283. function ModuleExpression(node) {
  284. this.word("module", true);
  285. this.space();
  286. this.tokenChar(123);
  287. this.indent();
  288. const {
  289. body
  290. } = node;
  291. if (body.body.length || body.directives.length) {
  292. this.newline();
  293. }
  294. this.print(body);
  295. this.dedent();
  296. this.rightBrace(node);
  297. }
  298. //# sourceMappingURL=expressions.js.map