mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-25 11:28:51 +01:00
6d1170f06c
Co-authored-by: Mark Stacey <markjstacey@gmail.com> Co-authored-by: ricky <ricky.miller@gmail.com> Co-authored-by: Elliot Winkler <elliot.winkler@gmail.com> Co-authored-by: legobeat <109787230+legobeat@users.noreply.github.com> Co-authored-by: legobt <6wbvkn0j@anonaddy.me> Co-authored-by: Pedro Figueiredo <pedro.figueiredo@consensys.net>
243 lines
13 KiB
Diff
243 lines
13 KiB
Diff
diff --git a/lib/typescript.js b/lib/typescript.js
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index 323de6f4da00612e90e685142120736bfaeed37b..350e352e36f8bb6a870d7c24eaeae6bf7d648840 100644
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--- a/lib/typescript.js
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+++ b/lib/typescript.js
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@@ -24,11 +24,58 @@ var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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return to.concat(ar || Array.prototype.slice.call(from));
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};
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var __assign = (this && this.__assign) || function () {
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- __assign = Object.assign || function(t) {
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+ __assign = function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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- for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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- t[p] = s[p];
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+ for (var p in s) {
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+ if (Object.prototype.hasOwnProperty.call(s, p)) {
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+ /**
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+ * In the original version of this package, this was:
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+ *
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+ * t[p] = s[p]
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+ *
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+ * Unfortunately LavaMoat trips up on this, so we have to change
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+ * it.
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+ *
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+ * Internally LavaMoat uses `lockdown` (part of SES, which is
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+ * part of Endo) to freeze modifications to "intrinsics" — core
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+ * things like `Object.prototype`, `Function.prototype`, etc.
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+ * This will cause code which is responsible for said
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+ * modifications to fail at runtime, because it makes the
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+ * properties of these intrinsics non-writable.
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+ *
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+ * The reason we have to change *this* code is that later on,
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+ * this `__assign` function is used to merge two objects, and
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+ * one of those objects contains a `constructor` property. As we
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+ * know, `constructor` is a special property, as it's a property
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+ * on `Object.prototype` that stores the constructor used to
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+ * create that object. But when used in this context, there is
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+ * nothing inherently special about it – it's just a property on
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+ * an object we're setting. Unfortunately, that's not how it's
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+ * being treated. Because `lockdown` freezes `Object.prototype`,
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+ * `Object.prototype.constructor` is non-writable, and due to a
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+ * "mistake" in the ES5 spec [1], that means `constructor` on
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+ * *any* object is non-writable too. So an error is thrown when
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+ * this code is executed.
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+ *
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+ * There is a way to get around this, which is to configure
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+ * `lockdown` with the option `overrideTaming: 'severe'`.
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+ * The mechanics of this option, as well as more information
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+ * about the "mistake" this option solves, are explained here
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+ * [2]. Unfortunately, we cannot enable this option because
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+ * LavaMoat is the one running `lockdown` here [3]. So to work
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+ * around this, we use `Object.defineProperty` to define the
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+ * property we want. As this does not use property assignment
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+ * (`object[key] = value`) but rather defines the property more
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+ * directly, this bypasses the "override mistake".
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+ *
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+ * [1]: https://web.archive.org/web/20141230041441/http://wiki.ecmascript.org/doku.php?id=strawman:fixing_override_mistake
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+ * [2]: https://github.com/endojs/endo/blob/864f086f87e1e7ef78a401a7550ff0aeb664bba0/packages/ses/src/enable-property-overrides.js#L28
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+ * [3]: https://github.com/LavaMoat/LavaMoat/blob/7c15bf8ba34ba1a9ceb3ffe591b1b2bfb084bead/packages/core/src/kernelTemplate.js#L32-L43
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+ */
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+ Object.defineProperty(t, p, Object.getOwnPropertyDescriptor(s, p))
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+ }
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+ }
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}
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return t;
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};
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@@ -9820,87 +9867,94 @@ var ts;
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}
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ts.tokenIsIdentifierOrKeywordOrGreaterThan = tokenIsIdentifierOrKeywordOrGreaterThan;
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/** @internal */
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- ts.textToKeywordObj = (_a = {
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- abstract: 126 /* AbstractKeyword */,
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- any: 129 /* AnyKeyword */,
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- as: 127 /* AsKeyword */,
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- asserts: 128 /* AssertsKeyword */,
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- bigint: 156 /* BigIntKeyword */,
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- boolean: 132 /* BooleanKeyword */,
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- break: 81 /* BreakKeyword */,
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- case: 82 /* CaseKeyword */,
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- catch: 83 /* CatchKeyword */,
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- class: 84 /* ClassKeyword */,
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- continue: 86 /* ContinueKeyword */,
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- const: 85 /* ConstKeyword */
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- },
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- _a["" + "constructor"] = 133 /* ConstructorKeyword */,
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- _a.debugger = 87 /* DebuggerKeyword */,
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- _a.declare = 134 /* DeclareKeyword */,
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- _a.default = 88 /* DefaultKeyword */,
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- _a.delete = 89 /* DeleteKeyword */,
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- _a.do = 90 /* DoKeyword */,
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- _a.else = 91 /* ElseKeyword */,
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- _a.enum = 92 /* EnumKeyword */,
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- _a.export = 93 /* ExportKeyword */,
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- _a.extends = 94 /* ExtendsKeyword */,
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- _a.false = 95 /* FalseKeyword */,
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- _a.finally = 96 /* FinallyKeyword */,
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- _a.for = 97 /* ForKeyword */,
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- _a.from = 154 /* FromKeyword */,
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- _a.function = 98 /* FunctionKeyword */,
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- _a.get = 135 /* GetKeyword */,
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- _a.if = 99 /* IfKeyword */,
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- _a.implements = 117 /* ImplementsKeyword */,
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- _a.import = 100 /* ImportKeyword */,
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- _a.in = 101 /* InKeyword */,
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- _a.infer = 136 /* InferKeyword */,
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- _a.instanceof = 102 /* InstanceOfKeyword */,
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- _a.interface = 118 /* InterfaceKeyword */,
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- _a.intrinsic = 137 /* IntrinsicKeyword */,
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- _a.is = 138 /* IsKeyword */,
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- _a.keyof = 139 /* KeyOfKeyword */,
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- _a.let = 119 /* LetKeyword */,
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- _a.module = 140 /* ModuleKeyword */,
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- _a.namespace = 141 /* NamespaceKeyword */,
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- _a.never = 142 /* NeverKeyword */,
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- _a.new = 103 /* NewKeyword */,
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- _a.null = 104 /* NullKeyword */,
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- _a.number = 145 /* NumberKeyword */,
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- _a.object = 146 /* ObjectKeyword */,
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- _a.package = 120 /* PackageKeyword */,
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- _a.private = 121 /* PrivateKeyword */,
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- _a.protected = 122 /* ProtectedKeyword */,
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- _a.public = 123 /* PublicKeyword */,
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- _a.override = 157 /* OverrideKeyword */,
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- _a.readonly = 143 /* ReadonlyKeyword */,
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- _a.require = 144 /* RequireKeyword */,
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- _a.global = 155 /* GlobalKeyword */,
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- _a.return = 105 /* ReturnKeyword */,
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- _a.set = 147 /* SetKeyword */,
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- _a.static = 124 /* StaticKeyword */,
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- _a.string = 148 /* StringKeyword */,
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- _a.super = 106 /* SuperKeyword */,
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- _a.switch = 107 /* SwitchKeyword */,
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- _a.symbol = 149 /* SymbolKeyword */,
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- _a.this = 108 /* ThisKeyword */,
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- _a.throw = 109 /* ThrowKeyword */,
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- _a.true = 110 /* TrueKeyword */,
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- _a.try = 111 /* TryKeyword */,
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- _a.type = 150 /* TypeKeyword */,
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- _a.typeof = 112 /* TypeOfKeyword */,
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- _a.undefined = 151 /* UndefinedKeyword */,
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- _a.unique = 152 /* UniqueKeyword */,
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- _a.unknown = 153 /* UnknownKeyword */,
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- _a.var = 113 /* VarKeyword */,
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- _a.void = 114 /* VoidKeyword */,
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- _a.while = 115 /* WhileKeyword */,
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- _a.with = 116 /* WithKeyword */,
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- _a.yield = 125 /* YieldKeyword */,
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- _a.async = 130 /* AsyncKeyword */,
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- _a.await = 131 /* AwaitKeyword */,
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- _a.of = 158 /* OfKeyword */,
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- _a);
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+ /**
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+ * In the original version of this package, this object was built by
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+ * initializing one object and then adding more properties to that object.
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+ * This ends up throwing an error when this code is executed due to
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+ * the same issue as explained at the top of this file: essentially,
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+ * the `constructor` property of any object cannot be set due to the
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+ * "override mistake". The fix for this is to just build one big object.
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+ */
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+ ts.textToKeywordObj = {
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+ abstract: 126 /* AbstractKeyword */,
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+ any: 129 /* AnyKeyword */,
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+ as: 127 /* AsKeyword */,
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+ asserts: 128 /* AssertsKeyword */,
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+ bigint: 156 /* BigIntKeyword */,
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+ boolean: 132 /* BooleanKeyword */,
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+ break: 81 /* BreakKeyword */,
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+ case: 82 /* CaseKeyword */,
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+ catch: 83 /* CatchKeyword */,
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+ class: 84 /* ClassKeyword */,
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+ continue: 86 /* ContinueKeyword */,
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+ const: 85 /* ConstKeyword */,
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+ ["constructor"]: 133 /* ConstructorKeyword */,
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+ debugger: 87 /* DebuggerKeyword */,
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+ declare: 134 /* DeclareKeyword */,
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+ default: 88 /* DefaultKeyword */,
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+ delete: 89 /* DeleteKeyword */,
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+ do: 90 /* DoKeyword */,
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+ else: 91 /* ElseKeyword */,
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+ enum: 92 /* EnumKeyword */,
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+ export: 93 /* ExportKeyword */,
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+ extends: 94 /* ExtendsKeyword */,
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+ false: 95 /* FalseKeyword */,
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+ finally: 96 /* FinallyKeyword */,
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+ for: 97 /* ForKeyword */,
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+ from: 154 /* FromKeyword */,
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+ function: 98 /* FunctionKeyword */,
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+ get: 135 /* GetKeyword */,
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+ if: 99 /* IfKeyword */,
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+ implements: 117 /* ImplementsKeyword */,
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+ import: 100 /* ImportKeyword */,
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+ in: 101 /* InKeyword */,
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+ infer: 136 /* InferKeyword */,
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+ instanceof: 102 /* InstanceOfKeyword */,
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+ interface: 118 /* InterfaceKeyword */,
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+ intrinsic: 137 /* IntrinsicKeyword */,
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+ is: 138 /* IsKeyword */,
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+ keyof: 139 /* KeyOfKeyword */,
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+ let: 119 /* LetKeyword */,
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+ module: 140 /* ModuleKeyword */,
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+ namespace: 141 /* NamespaceKeyword */,
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+ never: 142 /* NeverKeyword */,
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+ new: 103 /* NewKeyword */,
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+ null: 104 /* NullKeyword */,
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+ number: 145 /* NumberKeyword */,
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+ object: 146 /* ObjectKeyword */,
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+ package: 120 /* PackageKeyword */,
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+ private: 121 /* PrivateKeyword */,
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+ protected: 122 /* ProtectedKeyword */,
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+ public: 123 /* PublicKeyword */,
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+ override: 157 /* OverrideKeyword */,
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+ readonly: 143 /* ReadonlyKeyword */,
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+ require: 144 /* RequireKeyword */,
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+ global: 155 /* GlobalKeyword */,
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+ return: 105 /* ReturnKeyword */,
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+ set: 147 /* SetKeyword */,
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+ static: 124 /* StaticKeyword */,
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+ string: 148 /* StringKeyword */,
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+ super: 106 /* SuperKeyword */,
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+ switch: 107 /* SwitchKeyword */,
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+ symbol: 149 /* SymbolKeyword */,
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+ this: 108 /* ThisKeyword */,
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+ throw: 109 /* ThrowKeyword */,
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+ true: 110 /* TrueKeyword */,
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+ try: 111 /* TryKeyword */,
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+ type: 150 /* TypeKeyword */,
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+ typeof: 112 /* TypeOfKeyword */,
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+ undefined: 151 /* UndefinedKeyword */,
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+ unique: 152 /* UniqueKeyword */,
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+ unknown: 153 /* UnknownKeyword */,
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+ var: 113 /* VarKeyword */,
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+ void: 114 /* VoidKeyword */,
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+ while: 115 /* WhileKeyword */,
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+ with: 116 /* WithKeyword */,
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+ yield: 125 /* YieldKeyword */,
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+ async: 130 /* AsyncKeyword */,
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+ await: 131 /* AwaitKeyword */,
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+ of: 158 /* OfKeyword */
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+ };
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var textToKeyword = new ts.Map(ts.getEntries(ts.textToKeywordObj));
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var textToToken = new ts.Map(ts.getEntries(__assign(__assign({}, ts.textToKeywordObj), { "{": 18 /* OpenBraceToken */, "}": 19 /* CloseBraceToken */, "(": 20 /* OpenParenToken */, ")": 21 /* CloseParenToken */, "[": 22 /* OpenBracketToken */, "]": 23 /* CloseBracketToken */, ".": 24 /* DotToken */, "...": 25 /* DotDotDotToken */, ";": 26 /* SemicolonToken */, ",": 27 /* CommaToken */, "<": 29 /* LessThanToken */, ">": 31 /* GreaterThanToken */, "<=": 32 /* LessThanEqualsToken */, ">=": 33 /* GreaterThanEqualsToken */, "==": 34 /* EqualsEqualsToken */, "!=": 35 /* ExclamationEqualsToken */, "===": 36 /* EqualsEqualsEqualsToken */, "!==": 37 /* ExclamationEqualsEqualsToken */, "=>": 38 /* EqualsGreaterThanToken */, "+": 39 /* PlusToken */, "-": 40 /* MinusToken */, "**": 42 /* AsteriskAsteriskToken */, "*": 41 /* AsteriskToken */, "/": 43 /* SlashToken */, "%": 44 /* PercentToken */, "++": 45 /* PlusPlusToken */, "--": 46 /* MinusMinusToken */, "<<": 47 /* LessThanLessThanToken */, "</": 30 /* LessThanSlashToken */, ">>": 48 /* GreaterThanGreaterThanToken */, ">>>": 49 /* GreaterThanGreaterThanGreaterThanToken */, "&": 50 /* AmpersandToken */, "|": 51 /* BarToken */, "^": 52 /* CaretToken */, "!": 53 /* ExclamationToken */, "~": 54 /* TildeToken */, "&&": 55 /* AmpersandAmpersandToken */, "||": 56 /* BarBarToken */, "?": 57 /* QuestionToken */, "??": 60 /* QuestionQuestionToken */, "?.": 28 /* QuestionDotToken */, ":": 58 /* ColonToken */, "=": 63 /* EqualsToken */, "+=": 64 /* PlusEqualsToken */, "-=": 65 /* MinusEqualsToken */, "*=": 66 /* AsteriskEqualsToken */, "**=": 67 /* AsteriskAsteriskEqualsToken */, "/=": 68 /* SlashEqualsToken */, "%=": 69 /* PercentEqualsToken */, "<<=": 70 /* LessThanLessThanEqualsToken */, ">>=": 71 /* GreaterThanGreaterThanEqualsToken */, ">>>=": 72 /* GreaterThanGreaterThanGreaterThanEqualsToken */, "&=": 73 /* AmpersandEqualsToken */, "|=": 74 /* BarEqualsToken */, "^=": 78 /* CaretEqualsToken */, "||=": 75 /* BarBarEqualsToken */, "&&=": 76 /* AmpersandAmpersandEqualsToken */, "??=": 77 /* QuestionQuestionEqualsToken */, "@": 59 /* AtToken */, "#": 62 /* HashToken */, "`": 61 /* BacktickToken */ })));
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/*
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