react-router-ga
Version:
[](https://npm.im/react-router-ga) [](https://npm.im/react-router-ga) [](https://ope
1,166 lines (1,030 loc) • 378 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
const beforeExpr = true;
const startsExpr = true;
const isLoop = true;
const isAssign = true;
const prefix = true;
const postfix = true;
class TokenType {
constructor(label, conf = {}) {
this.label = label;
this.keyword = conf.keyword;
this.beforeExpr = !!conf.beforeExpr;
this.startsExpr = !!conf.startsExpr;
this.rightAssociative = !!conf.rightAssociative;
this.isLoop = !!conf.isLoop;
this.isAssign = !!conf.isAssign;
this.prefix = !!conf.prefix;
this.postfix = !!conf.postfix;
this.binop = conf.binop != null ? conf.binop : null;
this.updateContext = null;
}
}
const keywords = new Map();
function createKeyword(name, options = {}) {
options.keyword = name;
const token = new TokenType(name, options);
keywords.set(name, token);
return token;
}
function createBinop(name, binop) {
return new TokenType(name, {
beforeExpr,
binop
});
}
const types = {
num: new TokenType("num", {
startsExpr
}),
bigint: new TokenType("bigint", {
startsExpr
}),
regexp: new TokenType("regexp", {
startsExpr
}),
string: new TokenType("string", {
startsExpr
}),
name: new TokenType("name", {
startsExpr
}),
eof: new TokenType("eof"),
bracketL: new TokenType("[", {
beforeExpr,
startsExpr
}),
bracketR: new TokenType("]"),
braceL: new TokenType("{", {
beforeExpr,
startsExpr
}),
braceBarL: new TokenType("{|", {
beforeExpr,
startsExpr
}),
braceR: new TokenType("}"),
braceBarR: new TokenType("|}"),
parenL: new TokenType("(", {
beforeExpr,
startsExpr
}),
parenR: new TokenType(")"),
comma: new TokenType(",", {
beforeExpr
}),
semi: new TokenType(";", {
beforeExpr
}),
colon: new TokenType(":", {
beforeExpr
}),
doubleColon: new TokenType("::", {
beforeExpr
}),
dot: new TokenType("."),
question: new TokenType("?", {
beforeExpr
}),
questionDot: new TokenType("?."),
arrow: new TokenType("=>", {
beforeExpr
}),
template: new TokenType("template"),
ellipsis: new TokenType("...", {
beforeExpr
}),
backQuote: new TokenType("`", {
startsExpr
}),
dollarBraceL: new TokenType("${", {
beforeExpr,
startsExpr
}),
at: new TokenType("@"),
hash: new TokenType("#", {
startsExpr
}),
interpreterDirective: new TokenType("#!..."),
eq: new TokenType("=", {
beforeExpr,
isAssign
}),
assign: new TokenType("_=", {
beforeExpr,
isAssign
}),
incDec: new TokenType("++/--", {
prefix,
postfix,
startsExpr
}),
bang: new TokenType("!", {
beforeExpr,
prefix,
startsExpr
}),
tilde: new TokenType("~", {
beforeExpr,
prefix,
startsExpr
}),
pipeline: createBinop("|>", 0),
nullishCoalescing: createBinop("??", 1),
logicalOR: createBinop("||", 1),
logicalAND: createBinop("&&", 2),
bitwiseOR: createBinop("|", 3),
bitwiseXOR: createBinop("^", 4),
bitwiseAND: createBinop("&", 5),
equality: createBinop("==/!=/===/!==", 6),
relational: createBinop("</>/<=/>=", 7),
bitShift: createBinop("<</>>/>>>", 8),
plusMin: new TokenType("+/-", {
beforeExpr,
binop: 9,
prefix,
startsExpr
}),
modulo: new TokenType("%", {
beforeExpr,
binop: 10,
startsExpr
}),
star: createBinop("*", 10),
slash: createBinop("/", 10),
exponent: new TokenType("**", {
beforeExpr,
binop: 11,
rightAssociative: true
}),
_break: createKeyword("break"),
_case: createKeyword("case", {
beforeExpr
}),
_catch: createKeyword("catch"),
_continue: createKeyword("continue"),
_debugger: createKeyword("debugger"),
_default: createKeyword("default", {
beforeExpr
}),
_do: createKeyword("do", {
isLoop,
beforeExpr
}),
_else: createKeyword("else", {
beforeExpr
}),
_finally: createKeyword("finally"),
_for: createKeyword("for", {
isLoop
}),
_function: createKeyword("function", {
startsExpr
}),
_if: createKeyword("if"),
_return: createKeyword("return", {
beforeExpr
}),
_switch: createKeyword("switch"),
_throw: createKeyword("throw", {
beforeExpr,
prefix,
startsExpr
}),
_try: createKeyword("try"),
_var: createKeyword("var"),
_const: createKeyword("const"),
_while: createKeyword("while", {
isLoop
}),
_with: createKeyword("with"),
_new: createKeyword("new", {
beforeExpr,
startsExpr
}),
_this: createKeyword("this", {
startsExpr
}),
_super: createKeyword("super", {
startsExpr
}),
_class: createKeyword("class", {
startsExpr
}),
_extends: createKeyword("extends", {
beforeExpr
}),
_export: createKeyword("export"),
_import: createKeyword("import", {
startsExpr
}),
_null: createKeyword("null", {
startsExpr
}),
_true: createKeyword("true", {
startsExpr
}),
_false: createKeyword("false", {
startsExpr
}),
_in: createKeyword("in", {
beforeExpr,
binop: 7
}),
_instanceof: createKeyword("instanceof", {
beforeExpr,
binop: 7
}),
_typeof: createKeyword("typeof", {
beforeExpr,
prefix,
startsExpr
}),
_void: createKeyword("void", {
beforeExpr,
prefix,
startsExpr
}),
_delete: createKeyword("delete", {
beforeExpr,
prefix,
startsExpr
})
};
const SCOPE_OTHER = 0b00000000,
SCOPE_PROGRAM = 0b00000001,
SCOPE_FUNCTION = 0b00000010,
SCOPE_ARROW = 0b00000100,
SCOPE_SIMPLE_CATCH = 0b00001000,
SCOPE_SUPER = 0b00010000,
SCOPE_DIRECT_SUPER = 0b00100000,
SCOPE_CLASS = 0b01000000,
SCOPE_TS_MODULE = 0b10000000,
SCOPE_VAR = SCOPE_PROGRAM | SCOPE_FUNCTION | SCOPE_TS_MODULE;
const BIND_KIND_VALUE = 0b00000000001,
BIND_KIND_TYPE = 0b00000000010,
BIND_SCOPE_VAR = 0b00000000100,
BIND_SCOPE_LEXICAL = 0b00000001000,
BIND_SCOPE_FUNCTION = 0b00000010000,
BIND_FLAGS_NONE = 0b00001000000,
BIND_FLAGS_CLASS = 0b00010000000,
BIND_FLAGS_TS_ENUM = 0b00100000000,
BIND_FLAGS_TS_CONST_ENUM = 0b01000000000,
BIND_FLAGS_TS_EXPORT_ONLY = 0b10000000000;
const BIND_CLASS = BIND_KIND_VALUE | BIND_KIND_TYPE | BIND_SCOPE_LEXICAL | BIND_FLAGS_CLASS,
BIND_LEXICAL = BIND_KIND_VALUE | 0 | BIND_SCOPE_LEXICAL | 0,
BIND_VAR = BIND_KIND_VALUE | 0 | BIND_SCOPE_VAR | 0,
BIND_FUNCTION = BIND_KIND_VALUE | 0 | BIND_SCOPE_FUNCTION | 0,
BIND_TS_INTERFACE = 0 | BIND_KIND_TYPE | 0 | BIND_FLAGS_CLASS,
BIND_TS_TYPE = 0 | BIND_KIND_TYPE | 0 | 0,
BIND_TS_ENUM = BIND_KIND_VALUE | BIND_KIND_TYPE | BIND_SCOPE_LEXICAL | BIND_FLAGS_TS_ENUM,
BIND_TS_AMBIENT = 0 | 0 | 0 | BIND_FLAGS_TS_EXPORT_ONLY,
BIND_NONE = 0 | 0 | 0 | BIND_FLAGS_NONE,
BIND_OUTSIDE = BIND_KIND_VALUE | 0 | 0 | BIND_FLAGS_NONE,
BIND_TS_CONST_ENUM = BIND_TS_ENUM | BIND_FLAGS_TS_CONST_ENUM,
BIND_TS_NAMESPACE = 0 | 0 | 0 | BIND_FLAGS_TS_EXPORT_ONLY;
const CLASS_ELEMENT_FLAG_STATIC = 0b100,
CLASS_ELEMENT_KIND_GETTER = 0b010,
CLASS_ELEMENT_KIND_SETTER = 0b001,
CLASS_ELEMENT_KIND_ACCESSOR = CLASS_ELEMENT_KIND_GETTER | CLASS_ELEMENT_KIND_SETTER;
const CLASS_ELEMENT_STATIC_GETTER = CLASS_ELEMENT_KIND_GETTER | CLASS_ELEMENT_FLAG_STATIC,
CLASS_ELEMENT_STATIC_SETTER = CLASS_ELEMENT_KIND_SETTER | CLASS_ELEMENT_FLAG_STATIC,
CLASS_ELEMENT_INSTANCE_GETTER = CLASS_ELEMENT_KIND_GETTER,
CLASS_ELEMENT_INSTANCE_SETTER = CLASS_ELEMENT_KIND_SETTER,
CLASS_ELEMENT_OTHER = 0;
const lineBreak = /\r\n?|[\n\u2028\u2029]/;
const lineBreakG = new RegExp(lineBreak.source, "g");
function isNewLine(code) {
switch (code) {
case 10:
case 13:
case 8232:
case 8233:
return true;
default:
return false;
}
}
const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;
function isWhitespace(code) {
switch (code) {
case 0x0009:
case 0x000b:
case 0x000c:
case 32:
case 160:
case 5760:
case 0x2000:
case 0x2001:
case 0x2002:
case 0x2003:
case 0x2004:
case 0x2005:
case 0x2006:
case 0x2007:
case 0x2008:
case 0x2009:
case 0x200a:
case 0x202f:
case 0x205f:
case 0x3000:
case 0xfeff:
return true;
default:
return false;
}
}
class Position {
constructor(line, col) {
this.line = line;
this.column = col;
}
}
class SourceLocation {
constructor(start, end) {
this.start = start;
this.end = end;
}
}
function getLineInfo(input, offset) {
let line = 1;
let lineStart = 0;
let match;
lineBreakG.lastIndex = 0;
while ((match = lineBreakG.exec(input)) && match.index < offset) {
line++;
lineStart = lineBreakG.lastIndex;
}
return new Position(line, offset - lineStart);
}
class BaseParser {
constructor() {
this.sawUnambiguousESM = false;
this.ambiguousScriptDifferentAst = false;
}
hasPlugin(name) {
return this.plugins.has(name);
}
getPluginOption(plugin, name) {
if (this.hasPlugin(plugin)) return this.plugins.get(plugin)[name];
}
}
function last(stack) {
return stack[stack.length - 1];
}
class CommentsParser extends BaseParser {
addComment(comment) {
if (this.filename) comment.loc.filename = this.filename;
this.state.trailingComments.push(comment);
this.state.leadingComments.push(comment);
}
adjustCommentsAfterTrailingComma(node, elements, takeAllComments) {
if (this.state.leadingComments.length === 0) {
return;
}
let lastElement = null;
let i = elements.length;
while (lastElement === null && i > 0) {
lastElement = elements[--i];
}
if (lastElement === null) {
return;
}
for (let j = 0; j < this.state.leadingComments.length; j++) {
if (this.state.leadingComments[j].end < this.state.commentPreviousNode.end) {
this.state.leadingComments.splice(j, 1);
j--;
}
}
const newTrailingComments = [];
for (let i = 0; i < this.state.leadingComments.length; i++) {
const leadingComment = this.state.leadingComments[i];
if (leadingComment.end < node.end) {
newTrailingComments.push(leadingComment);
if (!takeAllComments) {
this.state.leadingComments.splice(i, 1);
i--;
}
} else {
if (node.trailingComments === undefined) {
node.trailingComments = [];
}
node.trailingComments.push(leadingComment);
}
}
if (takeAllComments) this.state.leadingComments = [];
if (newTrailingComments.length > 0) {
lastElement.trailingComments = newTrailingComments;
} else if (lastElement.trailingComments !== undefined) {
lastElement.trailingComments = [];
}
}
processComment(node) {
if (node.type === "Program" && node.body.length > 0) return;
const stack = this.state.commentStack;
let firstChild, lastChild, trailingComments, i, j;
if (this.state.trailingComments.length > 0) {
if (this.state.trailingComments[0].start >= node.end) {
trailingComments = this.state.trailingComments;
this.state.trailingComments = [];
} else {
this.state.trailingComments.length = 0;
}
} else if (stack.length > 0) {
const lastInStack = last(stack);
if (lastInStack.trailingComments && lastInStack.trailingComments[0].start >= node.end) {
trailingComments = lastInStack.trailingComments;
delete lastInStack.trailingComments;
}
}
if (stack.length > 0 && last(stack).start >= node.start) {
firstChild = stack.pop();
}
while (stack.length > 0 && last(stack).start >= node.start) {
lastChild = stack.pop();
}
if (!lastChild && firstChild) lastChild = firstChild;
if (firstChild) {
switch (node.type) {
case "ObjectExpression":
this.adjustCommentsAfterTrailingComma(node, node.properties);
break;
case "ObjectPattern":
this.adjustCommentsAfterTrailingComma(node, node.properties, true);
break;
case "CallExpression":
this.adjustCommentsAfterTrailingComma(node, node.arguments);
break;
case "ArrayExpression":
this.adjustCommentsAfterTrailingComma(node, node.elements);
break;
case "ArrayPattern":
this.adjustCommentsAfterTrailingComma(node, node.elements, true);
break;
}
} else if (this.state.commentPreviousNode && (this.state.commentPreviousNode.type === "ImportSpecifier" && node.type !== "ImportSpecifier" || this.state.commentPreviousNode.type === "ExportSpecifier" && node.type !== "ExportSpecifier")) {
this.adjustCommentsAfterTrailingComma(node, [this.state.commentPreviousNode]);
}
if (lastChild) {
if (lastChild.leadingComments) {
if (lastChild !== node && lastChild.leadingComments.length > 0 && last(lastChild.leadingComments).end <= node.start) {
node.leadingComments = lastChild.leadingComments;
delete lastChild.leadingComments;
} else {
for (i = lastChild.leadingComments.length - 2; i >= 0; --i) {
if (lastChild.leadingComments[i].end <= node.start) {
node.leadingComments = lastChild.leadingComments.splice(0, i + 1);
break;
}
}
}
}
} else if (this.state.leadingComments.length > 0) {
if (last(this.state.leadingComments).end <= node.start) {
if (this.state.commentPreviousNode) {
for (j = 0; j < this.state.leadingComments.length; j++) {
if (this.state.leadingComments[j].end < this.state.commentPreviousNode.end) {
this.state.leadingComments.splice(j, 1);
j--;
}
}
}
if (this.state.leadingComments.length > 0) {
node.leadingComments = this.state.leadingComments;
this.state.leadingComments = [];
}
} else {
for (i = 0; i < this.state.leadingComments.length; i++) {
if (this.state.leadingComments[i].end > node.start) {
break;
}
}
const leadingComments = this.state.leadingComments.slice(0, i);
if (leadingComments.length) {
node.leadingComments = leadingComments;
}
trailingComments = this.state.leadingComments.slice(i);
if (trailingComments.length === 0) {
trailingComments = null;
}
}
}
this.state.commentPreviousNode = node;
if (trailingComments) {
if (trailingComments.length && trailingComments[0].start >= node.start && last(trailingComments).end <= node.end) {
node.innerComments = trailingComments;
} else {
node.trailingComments = trailingComments;
}
}
stack.push(node);
}
}
const Errors = Object.freeze({
ArgumentsDisallowedInInitializer: "'arguments' is not allowed in class field initializer",
AsyncFunctionInSingleStatementContext: "Async functions can only be declared at the top level or inside a block",
AwaitBindingIdentifier: "Can not use 'await' as identifier inside an async function",
AwaitExpressionFormalParameter: "await is not allowed in async function parameters",
AwaitNotInAsyncFunction: "Can not use keyword 'await' outside an async function",
BadGetterArity: "getter must not have any formal parameters",
BadSetterArity: "setter must have exactly one formal parameter",
BadSetterRestParameter: "setter function argument must not be a rest parameter",
ConstructorClassField: "Classes may not have a field named 'constructor'",
ConstructorClassPrivateField: "Classes may not have a private field named '#constructor'",
ConstructorIsAccessor: "Constructor can't have get/set modifier",
ConstructorIsAsync: "Constructor can't be an async function",
ConstructorIsGenerator: "Constructor can't be a generator",
DeclarationMissingInitializer: "%0 require an initialization value",
DecoratorBeforeExport: "Decorators must be placed *before* the 'export' keyword. You can set the 'decoratorsBeforeExport' option to false to use the 'export @decorator class {}' syntax",
DecoratorConstructor: "Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?",
DecoratorExportClass: "Using the export keyword between a decorator and a class is not allowed. Please use `export @dec class` instead.",
DecoratorSemicolon: "Decorators must not be followed by a semicolon",
DeletePrivateField: "Deleting a private field is not allowed",
DestructureNamedImport: "ES2015 named imports do not destructure. Use another statement for destructuring after the import.",
DuplicateConstructor: "Duplicate constructor in the same class",
DuplicateDefaultExport: "Only one default export allowed per module.",
DuplicateExport: "`%0` has already been exported. Exported identifiers must be unique.",
DuplicateProto: "Redefinition of __proto__ property",
DuplicateRegExpFlags: "Duplicate regular expression flag",
ElementAfterRest: "Rest element must be last element",
EscapedCharNotAnIdentifier: "Invalid Unicode escape",
ForInOfLoopInitializer: "%0 loop variable declaration may not have an initializer",
GeneratorInSingleStatementContext: "Generators can only be declared at the top level or inside a block",
IllegalBreakContinue: "Unsyntactic %0",
IllegalLanguageModeDirective: "Illegal 'use strict' directive in function with non-simple parameter list",
IllegalReturn: "'return' outside of function",
ImportCallArgumentTrailingComma: "Trailing comma is disallowed inside import(...) arguments",
ImportCallArity: "import() requires exactly one argument",
ImportCallArityLtOne: "Dynamic imports require a parameter: import('a.js')",
ImportCallNotNewExpression: "Cannot use new with import(...)",
ImportCallSpreadArgument: "... is not allowed in import()",
ImportMetaOutsideModule: `import.meta may appear only with 'sourceType: "module"'`,
ImportOutsideModule: `'import' and 'export' may appear only with 'sourceType: "module"'`,
InvalidCodePoint: "Code point out of bounds",
InvalidDigit: "Expected number in radix %0",
InvalidEscapeSequence: "Bad character escape sequence",
InvalidEscapeSequenceTemplate: "Invalid escape sequence in template",
InvalidEscapedReservedWord: "Escape sequence in keyword %0",
InvalidIdentifier: "Invalid identifier %0",
InvalidLhs: "Invalid left-hand side in %0",
InvalidLhsBinding: "Binding invalid left-hand side in %0",
InvalidNumber: "Invalid number",
InvalidOrUnexpectedToken: "Unexpected character '%0'",
InvalidParenthesizedAssignment: "Invalid parenthesized assignment pattern",
InvalidPrivateFieldResolution: "Private name #%0 is not defined",
InvalidPropertyBindingPattern: "Binding member expression",
InvalidRestAssignmentPattern: "Invalid rest operator's argument",
LabelRedeclaration: "Label '%0' is already declared",
LetInLexicalBinding: "'let' is not allowed to be used as a name in 'let' or 'const' declarations.",
MalformedRegExpFlags: "Invalid regular expression flag",
MissingClassName: "A class name is required",
MissingEqInAssignment: "Only '=' operator can be used for specifying default value.",
MissingUnicodeEscape: "Expecting Unicode escape sequence \\uXXXX",
MixingCoalesceWithLogical: "Nullish coalescing operator(??) requires parens when mixing with logical operators",
ModuleExportUndefined: "Export '%0' is not defined",
MultipleDefaultsInSwitch: "Multiple default clauses",
NewlineAfterThrow: "Illegal newline after throw",
NoCatchOrFinally: "Missing catch or finally clause",
NumberIdentifier: "Identifier directly after number",
NumericSeparatorInEscapeSequence: "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences",
ObsoleteAwaitStar: "await* has been removed from the async functions proposal. Use Promise.all() instead.",
OptionalChainingNoNew: "constructors in/after an Optional Chain are not allowed",
OptionalChainingNoTemplate: "Tagged Template Literals are not allowed in optionalChain",
ParamDupe: "Argument name clash",
PatternHasAccessor: "Object pattern can't contain getter or setter",
PatternHasMethod: "Object pattern can't contain methods",
PipelineBodyNoArrow: 'Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized',
PipelineBodySequenceExpression: "Pipeline body may not be a comma-separated sequence expression",
PipelineHeadSequenceExpression: "Pipeline head should not be a comma-separated sequence expression",
PipelineTopicUnused: "Pipeline is in topic style but does not use topic reference",
PrimaryTopicNotAllowed: "Topic reference was used in a lexical context without topic binding",
PrimaryTopicRequiresSmartPipeline: "Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' option.",
PrivateNameRedeclaration: "Duplicate private name #%0",
RestTrailingComma: "Unexpected trailing comma after rest element",
SloppyFunction: "In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement",
StaticPrototype: "Classes may not have static property named prototype",
StrictDelete: "Deleting local variable in strict mode",
StrictEvalArguments: "Assigning to '%0' in strict mode",
StrictEvalArgumentsBinding: "Binding '%0' in strict mode",
StrictFunction: "In strict mode code, functions can only be declared at top level or inside a block",
StrictOctalLiteral: "Octal literal in strict mode",
StrictWith: "'with' in strict mode",
SuperNotAllowed: "super() is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?",
SuperPrivateField: "Private fields can't be accessed on super",
TrailingDecorator: "You have trailing decorators with no method",
UnexpectedArgumentPlaceholder: "Unexpected argument placeholder",
UnexpectedAwaitAfterPipelineBody: 'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal',
UnexpectedDigitAfterHash: "Unexpected digit after hash token",
UnexpectedImportExport: "'import' and 'export' may only appear at the top level",
UnexpectedKeyword: "Unexpected keyword '%0'",
UnexpectedLeadingDecorator: "Leading decorators must be attached to a class declaration",
UnexpectedLexicalDeclaration: "Lexical declaration cannot appear in a single-statement context",
UnexpectedNewTarget: "new.target can only be used in functions",
UnexpectedNumericSeparator: "A numeric separator is only allowed between two digits",
UnexpectedPrivateField: "Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p).",
UnexpectedReservedWord: "Unexpected reserved word '%0'",
UnexpectedSuper: "super is only allowed in object methods and classes",
UnexpectedToken: "Unexpected token '%'",
UnexpectedTokenUnaryExponentiation: "Illegal expression. Wrap left hand side or entire exponentiation in parentheses.",
UnsupportedBind: "Binding should be performed on object property.",
UnsupportedDecoratorExport: "You can only use decorators on an export when exporting a class",
UnsupportedDefaultExport: "Only expressions, functions or classes are allowed as the `default` export.",
UnsupportedImport: "import can only be used in import() or import.meta",
UnsupportedMetaProperty: "The only valid meta property for %0 is %0.%1",
UnsupportedParameterDecorator: "Stage 2 decorators cannot be used to decorate parameters",
UnsupportedPropertyDecorator: "Stage 2 decorators disallow object literal property decorators",
UnsupportedSuper: "super can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop])",
UnterminatedComment: "Unterminated comment",
UnterminatedRegExp: "Unterminated regular expression",
UnterminatedString: "Unterminated string constant",
UnterminatedTemplate: "Unterminated template",
VarRedeclaration: "Identifier '%0' has already been declared",
YieldBindingIdentifier: "Can not use 'yield' as identifier inside a generator",
YieldInParameter: "yield is not allowed in generator parameters",
ZeroDigitNumericSeparator: "Numeric separator can not be used after leading 0"
});
class LocationParser extends CommentsParser {
getLocationForPosition(pos) {
let loc;
if (pos === this.state.start) loc = this.state.startLoc;else if (pos === this.state.lastTokStart) loc = this.state.lastTokStartLoc;else if (pos === this.state.end) loc = this.state.endLoc;else if (pos === this.state.lastTokEnd) loc = this.state.lastTokEndLoc;else loc = getLineInfo(this.input, pos);
return loc;
}
raise(pos, errorTemplate, ...params) {
return this.raiseWithData(pos, undefined, errorTemplate, ...params);
}
raiseWithData(pos, data, errorTemplate, ...params) {
const loc = this.getLocationForPosition(pos);
const message = errorTemplate.replace(/%(\d+)/g, (_, i) => params[i]) + ` (${loc.line}:${loc.column})`;
return this._raise(Object.assign({
loc,
pos
}, data), message);
}
_raise(errorContext, message) {
const err = new SyntaxError(message);
Object.assign(err, errorContext);
if (this.options.errorRecovery) {
if (!this.isLookahead) this.state.errors.push(err);
return err;
} else {
throw err;
}
}
}
function isSimpleProperty(node) {
return node != null && node.type === "Property" && node.kind === "init" && node.method === false;
}
var estree = (superClass => class extends superClass {
estreeParseRegExpLiteral({
pattern,
flags
}) {
let regex = null;
try {
regex = new RegExp(pattern, flags);
} catch (e) {}
const node = this.estreeParseLiteral(regex);
node.regex = {
pattern,
flags
};
return node;
}
estreeParseBigIntLiteral(value) {
const bigInt = typeof BigInt !== "undefined" ? BigInt(value) : null;
const node = this.estreeParseLiteral(bigInt);
node.bigint = String(node.value || value);
return node;
}
estreeParseLiteral(value) {
return this.parseLiteral(value, "Literal");
}
directiveToStmt(directive) {
const directiveLiteral = directive.value;
const stmt = this.startNodeAt(directive.start, directive.loc.start);
const expression = this.startNodeAt(directiveLiteral.start, directiveLiteral.loc.start);
expression.value = directiveLiteral.value;
expression.raw = directiveLiteral.extra.raw;
stmt.expression = this.finishNodeAt(expression, "Literal", directiveLiteral.end, directiveLiteral.loc.end);
stmt.directive = directiveLiteral.extra.raw.slice(1, -1);
return this.finishNodeAt(stmt, "ExpressionStatement", directive.end, directive.loc.end);
}
initFunction(node, isAsync) {
super.initFunction(node, isAsync);
node.expression = false;
}
checkDeclaration(node) {
if (isSimpleProperty(node)) {
this.checkDeclaration(node.value);
} else {
super.checkDeclaration(node);
}
}
checkGetterSetterParams(method) {
const prop = method;
const paramCount = prop.kind === "get" ? 0 : 1;
const start = prop.start;
if (prop.value.params.length !== paramCount) {
if (method.kind === "get") {
this.raise(start, Errors.BadGetterArity);
} else {
this.raise(start, Errors.BadSetterArity);
}
} else if (prop.kind === "set" && prop.value.params[0].type === "RestElement") {
this.raise(start, Errors.BadSetterRestParameter);
}
}
checkLVal(expr, bindingType = BIND_NONE, checkClashes, contextDescription, disallowLetBinding) {
switch (expr.type) {
case "ObjectPattern":
expr.properties.forEach(prop => {
this.checkLVal(prop.type === "Property" ? prop.value : prop, bindingType, checkClashes, "object destructuring pattern", disallowLetBinding);
});
break;
default:
super.checkLVal(expr, bindingType, checkClashes, contextDescription, disallowLetBinding);
}
}
checkDuplicatedProto(prop, protoRef, refExpressionErrors) {
if (prop.type === "SpreadElement" || prop.computed || prop.method || prop.shorthand) {
return;
}
const key = prop.key;
const name = key.type === "Identifier" ? key.name : String(key.value);
if (name === "__proto__" && prop.kind === "init") {
if (protoRef.used) {
if (refExpressionErrors && refExpressionErrors.doubleProto === -1) {
refExpressionErrors.doubleProto = key.start;
} else {
this.raise(key.start, Errors.DuplicateProto);
}
}
protoRef.used = true;
}
}
isValidDirective(stmt) {
return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && (!stmt.expression.extra || !stmt.expression.extra.parenthesized);
}
stmtToDirective(stmt) {
const directive = super.stmtToDirective(stmt);
const value = stmt.expression.value;
directive.value.value = value;
return directive;
}
parseBlockBody(node, allowDirectives, topLevel, end) {
super.parseBlockBody(node, allowDirectives, topLevel, end);
const directiveStatements = node.directives.map(d => this.directiveToStmt(d));
node.body = directiveStatements.concat(node.body);
delete node.directives;
}
pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true);
if (method.typeParameters) {
method.value.typeParameters = method.typeParameters;
delete method.typeParameters;
}
classBody.body.push(method);
}
parseExprAtom(refExpressionErrors) {
switch (this.state.type) {
case types.num:
case types.string:
return this.estreeParseLiteral(this.state.value);
case types.regexp:
return this.estreeParseRegExpLiteral(this.state.value);
case types.bigint:
return this.estreeParseBigIntLiteral(this.state.value);
case types._null:
return this.estreeParseLiteral(null);
case types._true:
return this.estreeParseLiteral(true);
case types._false:
return this.estreeParseLiteral(false);
default:
return super.parseExprAtom(refExpressionErrors);
}
}
parseLiteral(value, type, startPos, startLoc) {
const node = super.parseLiteral(value, type, startPos, startLoc);
node.raw = node.extra.raw;
delete node.extra;
return node;
}
parseFunctionBody(node, allowExpression, isMethod = false) {
super.parseFunctionBody(node, allowExpression, isMethod);
node.expression = node.body.type !== "BlockStatement";
}
parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) {
let funcNode = this.startNode();
funcNode.kind = node.kind;
funcNode = super.parseMethod(funcNode, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope);
funcNode.type = "FunctionExpression";
delete funcNode.kind;
node.value = funcNode;
type = type === "ClassMethod" ? "MethodDefinition" : type;
return this.finishNode(node, type);
}
parseObjectMethod(prop, isGenerator, isAsync, isPattern, containsEsc) {
const node = super.parseObjectMethod(prop, isGenerator, isAsync, isPattern, containsEsc);
if (node) {
node.type = "Property";
if (node.kind === "method") node.kind = "init";
node.shorthand = false;
}
return node;
}
parseObjectProperty(prop, startPos, startLoc, isPattern, refExpressionErrors) {
const node = super.parseObjectProperty(prop, startPos, startLoc, isPattern, refExpressionErrors);
if (node) {
node.kind = "init";
node.type = "Property";
}
return node;
}
toAssignable(node) {
if (isSimpleProperty(node)) {
this.toAssignable(node.value);
return node;
}
return super.toAssignable(node);
}
toAssignableObjectExpressionProp(prop, isLast) {
if (prop.kind === "get" || prop.kind === "set") {
throw this.raise(prop.key.start, Errors.PatternHasAccessor);
} else if (prop.method) {
throw this.raise(prop.key.start, Errors.PatternHasMethod);
} else {
super.toAssignableObjectExpressionProp(prop, isLast);
}
}
finishCallExpression(node, optional) {
super.finishCallExpression(node, optional);
if (node.callee.type === "Import") {
node.type = "ImportExpression";
node.source = node.arguments[0];
delete node.arguments;
delete node.callee;
}
return node;
}
toReferencedListDeep(exprList, isParenthesizedExpr) {
if (!exprList) {
return;
}
super.toReferencedListDeep(exprList, isParenthesizedExpr);
}
});
class TokContext {
constructor(token, isExpr, preserveSpace, override) {
this.token = token;
this.isExpr = !!isExpr;
this.preserveSpace = !!preserveSpace;
this.override = override;
}
}
const types$1 = {
braceStatement: new TokContext("{", false),
braceExpression: new TokContext("{", true),
templateQuasi: new TokContext("${", false),
parenStatement: new TokContext("(", false),
parenExpression: new TokContext("(", true),
template: new TokContext("`", true, true, p => p.readTmplToken()),
functionExpression: new TokContext("function", true),
functionStatement: new TokContext("function", false)
};
types.parenR.updateContext = types.braceR.updateContext = function () {
if (this.state.context.length === 1) {
this.state.exprAllowed = true;
return;
}
let out = this.state.context.pop();
if (out === types$1.braceStatement && this.curContext().token === "function") {
out = this.state.context.pop();
}
this.state.exprAllowed = !out.isExpr;
};
types.name.updateContext = function (prevType) {
let allowed = false;
if (prevType !== types.dot) {
if (this.state.value === "of" && !this.state.exprAllowed || this.state.value === "yield" && this.prodParam.hasYield) {
allowed = true;
}
}
this.state.exprAllowed = allowed;
if (this.state.isIterator) {
this.state.isIterator = false;
}
};
types.braceL.updateContext = function (prevType) {
this.state.context.push(this.braceIsBlock(prevType) ? types$1.braceStatement : types$1.braceExpression);
this.state.exprAllowed = true;
};
types.dollarBraceL.updateContext = function () {
this.state.context.push(types$1.templateQuasi);
this.state.exprAllowed = true;
};
types.parenL.updateContext = function (prevType) {
const statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while;
this.state.context.push(statementParens ? types$1.parenStatement : types$1.parenExpression);
this.state.exprAllowed = true;
};
types.incDec.updateContext = function () {};
types._function.updateContext = types._class.updateContext = function (prevType) {
if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else && !(prevType === types._return && lineBreak.test(this.input.slice(this.state.lastTokEnd, this.state.start))) && !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat)) {
this.state.context.push(types$1.functionExpression);
} else {
this.state.context.push(types$1.functionStatement);
}
this.state.exprAllowed = false;
};
types.backQuote.updateContext = function () {
if (this.curContext() === types$1.template) {
this.state.context.pop();
} else {
this.state.context.push(types$1.template);
}
this.state.exprAllowed = false;
};
const reservedWords = {
strict: ["implements", "interface", "let", "package", "private", "protected", "public", "static", "yield"],
strictBind: ["eval", "arguments"]
};
const reservedWordsStrictSet = new Set(reservedWords.strict);
const reservedWordsStrictBindSet = new Set(reservedWords.strictBind);
const isReservedWord = (word, inModule) => {
return inModule && word === "await" || word === "enum";
};
function isStrictReservedWord(word, inModule) {
return isReservedWord(word, inModule) || reservedWordsStrictSet.has(word);
}
function isStrictBindOnlyReservedWord(word) {
return reservedWordsStrictBindSet.has(word);
}
function isStrictBindReservedWord(word, inModule) {
return isStrictReservedWord(word, inModule) || isStrictBindOnlyReservedWord(word);
}
function isKeyword(word) {
return keywords.has(word);
}
const keywordRelationalOperator = /^in(stanceof)?$/;
let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fef\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7bf\ua7c2-\ua7c6\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab67\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
let nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d3-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1df9\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f";
const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
nonASCIIidentifierStartChars = nonASCIIidentifierChars = null;
const astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 157, 310, 10, 21, 11, 7, 153, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 477, 28, 11, 0, 9, 21, 155, 22, 13, 52, 76, 44, 33, 24, 27, 35, 30, 0, 12, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 85, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 159, 52, 19, 3, 21, 0, 33, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 230, 43, 117, 63, 32, 0, 161, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 35, 56, 264, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 270, 921, 103, 110, 18, 195, 2749, 1070, 4050, 582, 8634, 568, 8, 30, 114, 29, 19, 47, 17, 3, 32, 20, 6, 18, 689, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 754, 9486, 286, 50, 2, 18, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 2357, 44, 11, 6, 17, 0, 370, 43, 1301, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42710, 42, 4148, 12, 221, 3, 5761, 15, 7472, 3104, 541];
const astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 525, 10, 176, 2, 54, 14, 32, 9, 16, 3, 46, 10, 54, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 4, 9, 83, 11, 7, 0, 161, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 193, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 84, 14, 5, 9, 243, 14, 166, 9, 232, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 406, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 19306, 9, 135, 4, 60, 6, 26, 9, 1014, 0, 2, 54, 8, 3, 19723, 1, 5319, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 262, 6, 10, 9, 419, 13, 1495, 6, 110, 6, 6, 9, 792487, 239];
function isInAstralSet(code, set) {
let pos = 0x10000;
for (let i = 0, length = set.length; i < length; i += 2) {
pos += set[i];
if (pos > code) return false;
pos += set[i + 1];
if (pos >= code) return true;
}
return false;
}
function isIdentifierStart(code) {
if (code < 65) return code === 36;
if (code <= 90) return true;
if (code < 97) return code === 95;
if (code <= 122) return true;
if (code <= 0xffff) {
return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));
}
return isInAstralSet(code, astralIdentifierStartCodes);
}
function isIteratorStart(current, next) {
return current === 64 && next === 64;
}
function isIdentifierChar(code) {
if (code < 48) return code === 36;
if (code < 58) return true;
if (code < 65) return false;
if (code <= 90) return true;
if (code < 97) return code === 95;
if (code <= 122) return true;
if (code <= 0xffff) {
return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code));
}
return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes);
}
const reservedTypes = new Set(["_", "any", "bool", "boolean", "empty", "extends", "false", "interface", "mixed", "null", "number", "static", "string", "true", "typeof", "void"]);
const FlowErrors = Object.freeze({
AmbiguousConditionalArrow: "Ambiguous expression: wrap the arrow functions in parentheses to disambiguate.",
AmbiguousDeclareModuleKind: "Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module",
AssignReservedType: "Cannot overwrite reserved type %0",
DuplicateDeclareModuleExports: "Duplicate `declare module.exports` statement",
EnumBooleanMemberNotInitialized: "Boolean enum members need to be initialized. Use either `%0 = true,` or `%0 = false,` in enum `%1`.",
EnumDuplicateMemberName: "Enum member names need to be unique, but the name `%0` has already been used before in enum `%1`.",
EnumInconsistentMemberValues: "Enum `%0` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.",
EnumInvalidExplicitType: "Enum type `%1` is not valid. Use one of `boolean`, `number`, `string`, or `symbol` in enum `%0`.",
EnumInvalidExplicitTypeUnknownSupplied: "Supplied enum type is not valid. Use one of `boolean`, `number`, `string`, or `symbol` in enum `%0`.",
EnumInvalidMemberInitializerPrimaryType: "Enum `%0` has type `%2`, so the initializer of `%1` needs to be a %2 literal.",
EnumInvalidMemberInitializerSymbolType: "Symbol enum members cannot be initialized. Use `%1,` in enum `%0`.",
EnumInvalidMemberInitializerUnknownType: "The enum member initializer for `%1` needs to be a literal (either a boolean, number, or string) in enum `%0`.",
EnumInvalidMemberName: "Enum member names cannot start with lowercase 'a' through 'z'. Instead of using `%0`, consider using `%1`, in enum `%2`.",
EnumNumberMemberNotInitialized: "Number enum members need to be initialized, e.g. `%1 = 1` in enum `%0`.",
EnumStringMemberInconsistentlyInitailized: "String enum members need to consistently either all use initializers, or use no initializers, in enum `%0`.",
ImportTypeShorthandOnlyInPureImport: "The `type` and `typeof` keywords on