expressions.js 7.3 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. } = _t;
  40. function UnaryExpression(node) {
  41. const {
  42. operator
  43. } = node;
  44. if (operator === "void" || operator === "delete" || operator === "typeof" || operator === "throw") {
  45. this.word(operator);
  46. this.space();
  47. } else {
  48. this.token(operator);
  49. }
  50. this.print(node.argument);
  51. }
  52. function DoExpression(node) {
  53. if (node.async) {
  54. this.word("async", true);
  55. this.space();
  56. }
  57. this.word("do");
  58. this.space();
  59. this.print(node.body);
  60. }
  61. function ParenthesizedExpression(node) {
  62. this.tokenChar(40);
  63. this.print(node.expression);
  64. this.rightParens(node);
  65. }
  66. function UpdateExpression(node) {
  67. if (node.prefix) {
  68. this.token(node.operator);
  69. this.print(node.argument);
  70. } else {
  71. this.printTerminatorless(node.argument, true);
  72. this.token(node.operator);
  73. }
  74. }
  75. function ConditionalExpression(node) {
  76. this.print(node.test);
  77. this.space();
  78. this.tokenChar(63);
  79. this.space();
  80. this.print(node.consequent);
  81. this.space();
  82. this.tokenChar(58);
  83. this.space();
  84. this.print(node.alternate);
  85. }
  86. function NewExpression(node, parent) {
  87. this.word("new");
  88. this.space();
  89. this.print(node.callee);
  90. if (this.format.minified && node.arguments.length === 0 && !node.optional && !isCallExpression(parent, {
  91. callee: node
  92. }) && !isMemberExpression(parent) && !isNewExpression(parent)) {
  93. return;
  94. }
  95. this.print(node.typeArguments);
  96. this.print(node.typeParameters);
  97. if (node.optional) {
  98. this.token("?.");
  99. }
  100. this.tokenChar(40);
  101. const exit = this.enterForStatementInit(false);
  102. this.printList(node.arguments);
  103. exit();
  104. this.rightParens(node);
  105. }
  106. function SequenceExpression(node) {
  107. this.printList(node.expressions);
  108. }
  109. function ThisExpression() {
  110. this.word("this");
  111. }
  112. function Super() {
  113. this.word("super");
  114. }
  115. function _shouldPrintDecoratorsBeforeExport(node) {
  116. if (typeof this.format.decoratorsBeforeExport === "boolean") {
  117. return this.format.decoratorsBeforeExport;
  118. }
  119. return typeof node.start === "number" && node.start === node.declaration.start;
  120. }
  121. function Decorator(node) {
  122. this.tokenChar(64);
  123. this.print(node.expression);
  124. this.newline();
  125. }
  126. function OptionalMemberExpression(node) {
  127. let {
  128. computed
  129. } = node;
  130. const {
  131. optional,
  132. property
  133. } = node;
  134. this.print(node.object);
  135. if (!computed && isMemberExpression(property)) {
  136. throw new TypeError("Got a MemberExpression for MemberExpression property");
  137. }
  138. if (isLiteral(property) && typeof property.value === "number") {
  139. computed = true;
  140. }
  141. if (optional) {
  142. this.token("?.");
  143. }
  144. if (computed) {
  145. this.tokenChar(91);
  146. this.print(property);
  147. this.tokenChar(93);
  148. } else {
  149. if (!optional) {
  150. this.tokenChar(46);
  151. }
  152. this.print(property);
  153. }
  154. }
  155. function OptionalCallExpression(node) {
  156. this.print(node.callee);
  157. this.print(node.typeParameters);
  158. if (node.optional) {
  159. this.token("?.");
  160. }
  161. this.print(node.typeArguments);
  162. this.tokenChar(40);
  163. const exit = this.enterForStatementInit(false);
  164. this.printList(node.arguments);
  165. exit();
  166. this.rightParens(node);
  167. }
  168. function CallExpression(node) {
  169. this.print(node.callee);
  170. this.print(node.typeArguments);
  171. this.print(node.typeParameters);
  172. this.tokenChar(40);
  173. const exit = this.enterForStatementInit(false);
  174. this.printList(node.arguments);
  175. exit();
  176. this.rightParens(node);
  177. }
  178. function Import() {
  179. this.word("import");
  180. }
  181. function AwaitExpression(node) {
  182. this.word("await");
  183. if (node.argument) {
  184. this.space();
  185. this.printTerminatorless(node.argument, false);
  186. }
  187. }
  188. function YieldExpression(node) {
  189. this.word("yield", true);
  190. if (node.delegate) {
  191. this.tokenChar(42);
  192. if (node.argument) {
  193. this.space();
  194. this.print(node.argument);
  195. }
  196. } else {
  197. if (node.argument) {
  198. this.space();
  199. this.printTerminatorless(node.argument, false);
  200. }
  201. }
  202. }
  203. function EmptyStatement() {
  204. this.semicolon(true);
  205. }
  206. function ExpressionStatement(node) {
  207. this.tokenContext |= _index.TokenContext.expressionStatement;
  208. this.print(node.expression);
  209. this.semicolon();
  210. }
  211. function AssignmentPattern(node) {
  212. this.print(node.left);
  213. if (node.left.type === "Identifier") {
  214. if (node.left.optional) this.tokenChar(63);
  215. this.print(node.left.typeAnnotation);
  216. }
  217. this.space();
  218. this.tokenChar(61);
  219. this.space();
  220. this.print(node.right);
  221. }
  222. function AssignmentExpression(node) {
  223. this.print(node.left);
  224. this.space();
  225. if (node.operator === "in" || node.operator === "instanceof") {
  226. this.word(node.operator);
  227. } else {
  228. this.token(node.operator);
  229. this._endsWithDiv = node.operator === "/";
  230. }
  231. this.space();
  232. this.print(node.right);
  233. }
  234. function BindExpression(node) {
  235. this.print(node.object);
  236. this.token("::");
  237. this.print(node.callee);
  238. }
  239. function MemberExpression(node) {
  240. this.print(node.object);
  241. if (!node.computed && isMemberExpression(node.property)) {
  242. throw new TypeError("Got a MemberExpression for MemberExpression property");
  243. }
  244. let computed = node.computed;
  245. if (isLiteral(node.property) && typeof node.property.value === "number") {
  246. computed = true;
  247. }
  248. if (computed) {
  249. const exit = this.enterForStatementInit(false);
  250. this.tokenChar(91);
  251. this.print(node.property);
  252. this.tokenChar(93);
  253. exit();
  254. } else {
  255. this.tokenChar(46);
  256. this.print(node.property);
  257. }
  258. }
  259. function MetaProperty(node) {
  260. this.print(node.meta);
  261. this.tokenChar(46);
  262. this.print(node.property);
  263. }
  264. function PrivateName(node) {
  265. this.tokenChar(35);
  266. this.print(node.id);
  267. }
  268. function V8IntrinsicIdentifier(node) {
  269. this.tokenChar(37);
  270. this.word(node.name);
  271. }
  272. function ModuleExpression(node) {
  273. this.word("module", true);
  274. this.space();
  275. this.tokenChar(123);
  276. this.indent();
  277. const {
  278. body
  279. } = node;
  280. if (body.body.length || body.directives.length) {
  281. this.newline();
  282. }
  283. this.print(body);
  284. this.dedent();
  285. this.rightBrace(node);
  286. }
  287. //# sourceMappingURL=expressions.js.map