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node_modules/acorn-node/lib/static-class-features/index.js

@@ -0,0 +1,139 @@
+/* Generated by `npm run build`, do not edit! */
+
+"use strict"
+
+var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g
+
+var acorn = require("acorn")
+var tt = acorn.tokTypes
+
+function maybeParseFieldValue(field) {
+  if (this.eat(tt.eq)) {
+    var oldInFieldValue = this._inStaticFieldValue
+    this._inStaticFieldValue = true
+    field.value = this.parseExpression()
+    this._inStaticFieldValue = oldInFieldValue
+  } else { field.value = null }
+}
+
+var privateClassElements = require("../private-class-elements")
+
+module.exports = function(Parser) {
+  var ExtendedParser = privateClassElements(Parser)
+
+  return /*@__PURE__*/(function (ExtendedParser) {
+    function anonymous () {
+      ExtendedParser.apply(this, arguments);
+    }
+
+    if ( ExtendedParser ) anonymous.__proto__ = ExtendedParser;
+    anonymous.prototype = Object.create( ExtendedParser && ExtendedParser.prototype );
+    anonymous.prototype.constructor = anonymous;
+
+    anonymous.prototype.parseClassElement = function parseClassElement (_constructorAllowsSuper) {
+      var this$1 = this;
+
+      if (this.eat(tt.semi)) { return null }
+
+      var node = this.startNode()
+
+      var tryContextual = function (k, noLineBreak) {
+        if (typeof noLineBreak == "undefined") { noLineBreak = false }
+        var start = this$1.start, startLoc = this$1.startLoc
+        if (!this$1.eatContextual(k)) { return false }
+        if (this$1.type !== tt.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) { return true }
+        if (node.key) { this$1.unexpected() }
+        node.computed = false
+        node.key = this$1.startNodeAt(start, startLoc)
+        node.key.name = k
+        this$1.finishNode(node.key, "Identifier")
+        return false
+      }
+
+      node.static = tryContextual("static")
+      if (!node.static) { return ExtendedParser.prototype.parseClassElement.apply(this, arguments) }
+
+      var isGenerator = this.eat(tt.star)
+      var isAsync = false
+      if (!isGenerator) {
+        // Special-case for `async`, since `parseClassMember` currently looks
+        // for `(` to determine whether `async` is a method name
+        if (this.options.ecmaVersion >= 8 && this.isContextual("async")) {
+          skipWhiteSpace.lastIndex = this.pos
+          var skip = skipWhiteSpace.exec(this.input)
+          var next = this.input.charAt(this.pos + skip[0].length)
+          if (next === ";" || next === "=") {
+            node.key = this.parseIdent(true)
+            node.computed = false
+            maybeParseFieldValue.call(this, node)
+            this.finishNode(node, "FieldDefinition")
+            this.semicolon()
+            return node
+          } else if (this.options.ecmaVersion >= 8 && tryContextual("async", true)) {
+            isAsync = true
+            isGenerator = this.options.ecmaVersion >= 9 && this.eat(tt.star)
+          }
+        } else if (tryContextual("get")) {
+          node.kind = "get"
+        } else if (tryContextual("set")) {
+          node.kind = "set"
+        }
+      }
+      if (this.type === this.privateNameToken) {
+        this.parsePrivateClassElementName(node)
+        if (this.type !== tt.parenL) {
+          if (node.key.name === "prototype") {
+            this.raise(node.key.start, "Classes may not have a private static property named prototype")
+          }
+          maybeParseFieldValue.call(this, node)
+          this.finishNode(node, "FieldDefinition")
+          this.semicolon()
+          return node
+        }
+      } else if (!node.key) {
+        this.parsePropertyName(node)
+        if ((node.key.name || node.key.value) === "prototype" && !node.computed) {
+          this.raise(node.key.start, "Classes may not have a static property named prototype")
+        }
+      }
+      if (!node.kind) { node.kind = "method" }
+      this.parseClassMethod(node, isGenerator, isAsync)
+      if (!node.kind && (node.key.name || node.key.value) === "constructor" && !node.computed) {
+        this.raise(node.key.start, "Classes may not have a static field named constructor")
+      }
+      if (node.kind === "get" && node.value.params.length !== 0) {
+        this.raiseRecoverable(node.value.start, "getter should have no params")
+      }
+      if (node.kind === "set" && node.value.params.length !== 1) {
+        this.raiseRecoverable(node.value.start, "setter should have exactly one param")
+      }
+      if (node.kind === "set" && node.value.params[0].type === "RestElement") {
+        this.raiseRecoverable(node.value.params[0].start, "Setter cannot use rest params")
+      }
+
+      return node
+
+    };
+
+    // Parse public static fields
+    anonymous.prototype.parseClassMethod = function parseClassMethod (method, isGenerator, isAsync, _allowsDirectSuper) {
+      if (isGenerator || isAsync || method.kind != "method" || !method.static || this.options.ecmaVersion < 8 || this.type == tt.parenL) {
+        return ExtendedParser.prototype.parseClassMethod.apply(this, arguments)
+      }
+      maybeParseFieldValue.call(this, method)
+      delete method.kind
+      method = this.finishNode(method, "FieldDefinition")
+      this.semicolon()
+      return method
+    };
+
+    // Prohibit arguments in class field initializers
+    anonymous.prototype.parseIdent = function parseIdent (liberal, isBinding) {
+      var ident = ExtendedParser.prototype.parseIdent.call(this, liberal, isBinding)
+      if (this._inStaticFieldValue && ident.name == "arguments") { this.raise(ident.start, "A static class field initializer may not contain arguments") }
+      return ident
+    };
+
+    return anonymous;
+  }(ExtendedParser))
+}