expressions.js 7.4 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. this.print(node.typeParameters);
  100. if (node.optional) {
  101. this.token("?.");
  102. }
  103. if (node.arguments.length === 0 && this.tokenMap && !this.tokenMap.endMatches(node, ")")) {
  104. return;
  105. }
  106. this.tokenChar(40);
  107. const exit = this.enterDelimited();
  108. this.printList(node.arguments, this.shouldPrintTrailingComma(")"));
  109. exit();
  110. this.rightParens(node);
  111. }
  112. function SequenceExpression(node) {
  113. this.printList(node.expressions);
  114. }
  115. function ThisExpression() {
  116. this.word("this");
  117. }
  118. function Super() {
  119. this.word("super");
  120. }
  121. function _shouldPrintDecoratorsBeforeExport(node) {
  122. if (typeof this.format.decoratorsBeforeExport === "boolean") {
  123. return this.format.decoratorsBeforeExport;
  124. }
  125. return typeof node.start === "number" && node.start === node.declaration.start;
  126. }
  127. function Decorator(node) {
  128. this.tokenChar(64);
  129. this.print(node.expression);
  130. this.newline();
  131. }
  132. function OptionalMemberExpression(node) {
  133. let {
  134. computed
  135. } = node;
  136. const {
  137. optional,
  138. property
  139. } = node;
  140. this.print(node.object);
  141. if (!computed && isMemberExpression(property)) {
  142. throw new TypeError("Got a MemberExpression for MemberExpression property");
  143. }
  144. if (isLiteral(property) && typeof property.value === "number") {
  145. computed = true;
  146. }
  147. if (optional) {
  148. this.token("?.");
  149. }
  150. if (computed) {
  151. this.tokenChar(91);
  152. this.print(property);
  153. this.tokenChar(93);
  154. } else {
  155. if (!optional) {
  156. this.tokenChar(46);
  157. }
  158. this.print(property);
  159. }
  160. }
  161. function OptionalCallExpression(node) {
  162. this.print(node.callee);
  163. this.print(node.typeParameters);
  164. if (node.optional) {
  165. this.token("?.");
  166. }
  167. this.print(node.typeArguments);
  168. this.tokenChar(40);
  169. const exit = this.enterDelimited();
  170. this.printList(node.arguments);
  171. exit();
  172. this.rightParens(node);
  173. }
  174. function CallExpression(node) {
  175. this.print(node.callee);
  176. this.print(node.typeArguments);
  177. this.print(node.typeParameters);
  178. this.tokenChar(40);
  179. const exit = this.enterDelimited();
  180. this.printList(node.arguments, this.shouldPrintTrailingComma(")"));
  181. exit();
  182. this.rightParens(node);
  183. }
  184. function Import() {
  185. this.word("import");
  186. }
  187. function AwaitExpression(node) {
  188. this.word("await");
  189. this.space();
  190. this.print(node.argument);
  191. }
  192. function YieldExpression(node) {
  193. if (node.delegate) {
  194. this.word("yield", true);
  195. this.tokenChar(42);
  196. if (node.argument) {
  197. this.space();
  198. this.print(node.argument);
  199. }
  200. } else if (node.argument) {
  201. this.word("yield", true);
  202. this.space();
  203. this.print(node.argument);
  204. } else {
  205. this.word("yield");
  206. }
  207. }
  208. function EmptyStatement() {
  209. this.semicolon(true);
  210. }
  211. function ExpressionStatement(node) {
  212. this.tokenContext |= _index.TokenContext.expressionStatement;
  213. this.print(node.expression);
  214. this.semicolon();
  215. }
  216. function AssignmentPattern(node) {
  217. this.print(node.left);
  218. if (node.left.type === "Identifier" || isPattern(node.left)) {
  219. if (node.left.optional) this.tokenChar(63);
  220. this.print(node.left.typeAnnotation);
  221. }
  222. this.space();
  223. this.tokenChar(61);
  224. this.space();
  225. this.print(node.right);
  226. }
  227. function AssignmentExpression(node) {
  228. this.print(node.left);
  229. this.space();
  230. if (node.operator === "in" || node.operator === "instanceof") {
  231. this.word(node.operator);
  232. } else {
  233. this.token(node.operator);
  234. this._endsWithDiv = node.operator === "/";
  235. }
  236. this.space();
  237. this.print(node.right);
  238. }
  239. function BindExpression(node) {
  240. this.print(node.object);
  241. this.token("::");
  242. this.print(node.callee);
  243. }
  244. function MemberExpression(node) {
  245. this.print(node.object);
  246. if (!node.computed && isMemberExpression(node.property)) {
  247. throw new TypeError("Got a MemberExpression for MemberExpression property");
  248. }
  249. let computed = node.computed;
  250. if (isLiteral(node.property) && typeof node.property.value === "number") {
  251. computed = true;
  252. }
  253. if (computed) {
  254. const exit = this.enterDelimited();
  255. this.tokenChar(91);
  256. this.print(node.property);
  257. this.tokenChar(93);
  258. exit();
  259. } else {
  260. this.tokenChar(46);
  261. this.print(node.property);
  262. }
  263. }
  264. function MetaProperty(node) {
  265. this.print(node.meta);
  266. this.tokenChar(46);
  267. this.print(node.property);
  268. }
  269. function PrivateName(node) {
  270. this.tokenChar(35);
  271. this.print(node.id);
  272. }
  273. function V8IntrinsicIdentifier(node) {
  274. this.tokenChar(37);
  275. this.word(node.name);
  276. }
  277. function ModuleExpression(node) {
  278. this.word("module", true);
  279. this.space();
  280. this.tokenChar(123);
  281. this.indent();
  282. const {
  283. body
  284. } = node;
  285. if (body.body.length || body.directives.length) {
  286. this.newline();
  287. }
  288. this.print(body);
  289. this.dedent();
  290. this.rightBrace(node);
  291. }
  292. //# sourceMappingURL=expressions.js.map