wallet-core/node_modules/tsutils/util/util.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ts = require("typescript");
var node_1 = require("../typeguard/node");
function getChildOfKind(node, kind, sourceFile) {
    for (var _i = 0, _a = node.getChildren(sourceFile); _i < _a.length; _i++) {
        var child = _a[_i];
        if (child.kind === kind)
            return child;
    }
}
exports.getChildOfKind = getChildOfKind;
function isTokenKind(kind) {
    return kind >= ts.SyntaxKind.FirstToken && kind <= ts.SyntaxKind.LastToken;
}
exports.isTokenKind = isTokenKind;
function isNodeKind(kind) {
    return kind >= ts.SyntaxKind.FirstNode;
}
exports.isNodeKind = isNodeKind;
function isAssignmentKind(kind) {
    return kind >= ts.SyntaxKind.FirstAssignment && kind <= ts.SyntaxKind.LastAssignment;
}
exports.isAssignmentKind = isAssignmentKind;
function isTypeNodeKind(kind) {
    return kind >= ts.SyntaxKind.FirstTypeNode && kind <= ts.SyntaxKind.LastTypeNode;
}
exports.isTypeNodeKind = isTypeNodeKind;
function isJsDocKind(kind) {
    return kind >= ts.SyntaxKind.FirstJSDocNode && kind <= ts.SyntaxKind.LastJSDocNode;
}
exports.isJsDocKind = isJsDocKind;
function isThisParameter(parameter) {
    return parameter.name.kind === ts.SyntaxKind.Identifier && parameter.name.originalKeywordKind === ts.SyntaxKind.ThisKeyword;
}
exports.isThisParameter = isThisParameter;
function hasModifier(modifiers) {
    var kinds = [];
    for (var _i = 1; _i < arguments.length; _i++) {
        kinds[_i - 1] = arguments[_i];
    }
    if (modifiers === undefined)
        return false;
    for (var _a = 0, modifiers_1 = modifiers; _a < modifiers_1.length; _a++) {
        var modifier = modifiers_1[_a];
        if (kinds.indexOf(modifier.kind) !== -1)
            return true;
    }
    return false;
}
exports.hasModifier = hasModifier;
function isParameterProperty(node) {
    return hasModifier(node.modifiers, ts.SyntaxKind.PublicKeyword, ts.SyntaxKind.ProtectedKeyword, ts.SyntaxKind.PrivateKeyword, ts.SyntaxKind.ReadonlyKeyword);
}
exports.isParameterProperty = isParameterProperty;
function hasAccessModifier(node) {
    return hasModifier(node.modifiers, ts.SyntaxKind.PublicKeyword, ts.SyntaxKind.ProtectedKeyword, ts.SyntaxKind.PrivateKeyword);
}
exports.hasAccessModifier = hasAccessModifier;
function isFlagSet(obj, flag) {
    return (obj.flags & flag) !== 0;
}
exports.isNodeFlagSet = isFlagSet;
exports.isTypeFlagSet = isFlagSet;
exports.isSymbolFlagSet = isFlagSet;
function isObjectFlagSet(objectType, flag) {
    return (objectType.objectFlags & flag) !== 0;
}
exports.isObjectFlagSet = isObjectFlagSet;
function isModfierFlagSet(node, flag) {
    return (ts.getCombinedModifierFlags(node) & flag) !== 0;
}
exports.isModfierFlagSet = isModfierFlagSet;
function getPreviousStatement(statement) {
    var parent = statement.parent;
    if (node_1.isBlockLike(parent)) {
        var index = parent.statements.indexOf(statement);
        if (index > 0)
            return parent.statements[index - 1];
    }
}
exports.getPreviousStatement = getPreviousStatement;
function getNextStatement(statement) {
    var parent = statement.parent;
    if (node_1.isBlockLike(parent)) {
        var index = parent.statements.indexOf(statement);
        if (index < parent.statements.length)
            return parent.statements[index + 1];
    }
}
exports.getNextStatement = getNextStatement;
function getPreviousToken(node, sourceFile) {
    var parent = node.parent;
    while (parent !== undefined && parent.pos === node.pos)
        parent = parent.parent;
    if (parent === undefined)
        return;
    outer: while (true) {
        var children = parent.getChildren(sourceFile);
        for (var i = children.length - 1; i >= 0; --i) {
            var child = children[i];
            if (child.pos < node.pos && child.kind !== ts.SyntaxKind.JSDocComment) {
                if (isTokenKind(child.kind))
                    return child;
                parent = child;
                continue outer;
            }
        }
        return;
    }
}
exports.getPreviousToken = getPreviousToken;
function getNextToken(node, sourceFile) {
    if (sourceFile === void 0) { sourceFile = node.getSourceFile(); }
    if (node.kind === ts.SyntaxKind.SourceFile || node.kind === ts.SyntaxKind.EndOfFileToken)
        return;
    var end = node.end;
    node = node.parent;
    while (node.end === end) {
        if (node.parent === undefined)
            return node.endOfFileToken;
        node = node.parent;
    }
    return getTokenAtPositionWorker(node, end + 1, sourceFile);
}
exports.getNextToken = getNextToken;
function getTokenAtPosition(parent, pos, sourceFile) {
    if (pos < parent.pos || pos > parent.end)
        return;
    if (isTokenKind(parent.kind))
        return parent;
    if (sourceFile === undefined)
        sourceFile = parent.getSourceFile();
    return getTokenAtPositionWorker(parent, pos, sourceFile);
}
exports.getTokenAtPosition = getTokenAtPosition;
function getTokenAtPositionWorker(node, pos, sourceFile) {
    outer: while (true) {
        for (var _i = 0, _a = node.getChildren(sourceFile); _i < _a.length; _i++) {
            var child = _a[_i];
            if (child.end >= pos && child.kind !== ts.SyntaxKind.JSDocComment) {
                if (isTokenKind(child.kind))
                    return child;
                node = child;
                continue outer;
            }
        }
        return;
    }
}
function isPositionInComment(sourceFile, pos, parent) {
    if (parent === void 0) { parent = sourceFile; }
    var token = getTokenAtPosition(parent, pos, sourceFile);
    if (token === undefined || pos >= token.end - (ts.tokenToString(token.kind) || '').length)
        return false;
    var cb = function (start, end) { return pos >= start && pos < end; };
    return token.pos !== 0 && ts.forEachTrailingCommentRange(sourceFile.text, token.pos, cb) ||
        ts.forEachLeadingCommentRange(sourceFile.text, token.pos, cb) === true;
}
exports.isPositionInComment = isPositionInComment;
function getPropertyName(propertyName) {
    if (propertyName.kind === ts.SyntaxKind.ComputedPropertyName) {
        if (!node_1.isLiteralExpression(propertyName.expression))
            return;
        return propertyName.expression.text;
    }
    return propertyName.text;
}
exports.getPropertyName = getPropertyName;
function forEachDestructuringIdentifier(pattern, fn) {
    for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
        var element = _a[_i];
        if (element.kind !== ts.SyntaxKind.BindingElement)
            continue;
        var result = void 0;
        if (element.name.kind === ts.SyntaxKind.Identifier) {
            result = fn(element);
        }
        else {
            result = forEachDestructuringIdentifier(element.name, fn);
        }
        if (result)
            return result;
    }
}
exports.forEachDestructuringIdentifier = forEachDestructuringIdentifier;
function forEachDeclaredVariable(declarationList, cb) {
    for (var _i = 0, _a = declarationList.declarations; _i < _a.length; _i++) {
        var declaration = _a[_i];
        var result = void 0;
        if (declaration.name.kind === ts.SyntaxKind.Identifier) {
            result = cb(declaration);
        }
        else {
            result = forEachDestructuringIdentifier(declaration.name, cb);
        }
        if (result)
            return result;
    }
}
exports.forEachDeclaredVariable = forEachDeclaredVariable;
var VariableDeclarationKind;
(function (VariableDeclarationKind) {
    VariableDeclarationKind[VariableDeclarationKind["Var"] = 0] = "Var";
    VariableDeclarationKind[VariableDeclarationKind["Let"] = 1] = "Let";
    VariableDeclarationKind[VariableDeclarationKind["Const"] = 2] = "Const";
})(VariableDeclarationKind = exports.VariableDeclarationKind || (exports.VariableDeclarationKind = {}));
function getVariableDeclarationKind(declarationList) {
    if ((declarationList.flags & ts.NodeFlags.Let) !== 0)
        return 1;
    if ((declarationList.flags & ts.NodeFlags.Const) !== 0)
        return 2;
    return 0;
}
exports.getVariableDeclarationKind = getVariableDeclarationKind;
function isBlockScopedVariableDeclarationList(declarationList) {
    return getVariableDeclarationKind(declarationList) !== 0;
}
exports.isBlockScopedVariableDeclarationList = isBlockScopedVariableDeclarationList;
function isBlockScopedVariableDeclaration(declaration) {
    var parent = declaration.parent;
    return parent.kind === ts.SyntaxKind.CatchClause ||
        isBlockScopedVariableDeclarationList(parent);
}
exports.isBlockScopedVariableDeclaration = isBlockScopedVariableDeclaration;
var ScopeBoundary;
(function (ScopeBoundary) {
    ScopeBoundary[ScopeBoundary["None"] = 0] = "None";
    ScopeBoundary[ScopeBoundary["Function"] = 1] = "Function";
    ScopeBoundary[ScopeBoundary["Block"] = 2] = "Block";
})(ScopeBoundary = exports.ScopeBoundary || (exports.ScopeBoundary = {}));
function isScopeBoundary(node) {
    if (isFunctionScopeBoundary(node))
        return 1;
    if (isBlockScopeBoundary(node))
        return 2;
    return 0;
}
exports.isScopeBoundary = isScopeBoundary;
function isFunctionScopeBoundary(node) {
    switch (node.kind) {
        case ts.SyntaxKind.FunctionExpression:
        case ts.SyntaxKind.ArrowFunction:
        case ts.SyntaxKind.Constructor:
        case ts.SyntaxKind.ModuleDeclaration:
        case ts.SyntaxKind.ClassDeclaration:
        case ts.SyntaxKind.ClassExpression:
        case ts.SyntaxKind.EnumDeclaration:
        case ts.SyntaxKind.MethodDeclaration:
        case ts.SyntaxKind.FunctionDeclaration:
        case ts.SyntaxKind.GetAccessor:
        case ts.SyntaxKind.SetAccessor:
        case ts.SyntaxKind.InterfaceDeclaration:
        case ts.SyntaxKind.TypeAliasDeclaration:
        case ts.SyntaxKind.MethodSignature:
        case ts.SyntaxKind.CallSignature:
        case ts.SyntaxKind.ConstructSignature:
        case ts.SyntaxKind.ConstructorType:
        case ts.SyntaxKind.FunctionType:
        case ts.SyntaxKind.MappedType:
            return true;
        case ts.SyntaxKind.SourceFile:
            return ts.isExternalModule(node);
        default:
            return false;
    }
}
exports.isFunctionScopeBoundary = isFunctionScopeBoundary;
function isBlockScopeBoundary(node) {
    switch (node.kind) {
        case ts.SyntaxKind.Block:
            var parent = node.parent;
            return parent.kind !== ts.SyntaxKind.CatchClause &&
                (parent.kind === ts.SyntaxKind.SourceFile ||
                    !isFunctionScopeBoundary(parent));
        case ts.SyntaxKind.ForStatement:
        case ts.SyntaxKind.ForInStatement:
        case ts.SyntaxKind.ForOfStatement:
        case ts.SyntaxKind.CaseBlock:
        case ts.SyntaxKind.CatchClause:
            return true;
        default:
            return false;
    }
}
exports.isBlockScopeBoundary = isBlockScopeBoundary;
function hasOwnThisReference(node) {
    switch (node.kind) {
        case ts.SyntaxKind.ClassDeclaration:
        case ts.SyntaxKind.ClassExpression:
        case ts.SyntaxKind.FunctionExpression:
            return true;
        case ts.SyntaxKind.FunctionDeclaration:
            return node.body !== undefined;
        case ts.SyntaxKind.MethodDeclaration:
        case ts.SyntaxKind.GetAccessor:
        case ts.SyntaxKind.SetAccessor:
            return node.parent.kind === ts.SyntaxKind.ObjectLiteralExpression;
        default:
            return false;
    }
}
exports.hasOwnThisReference = hasOwnThisReference;
function isFunctionWithBody(node) {
    switch (node.kind) {
        case ts.SyntaxKind.GetAccessor:
        case ts.SyntaxKind.SetAccessor:
        case ts.SyntaxKind.FunctionDeclaration:
        case ts.SyntaxKind.MethodDeclaration:
            return node.body !== undefined;
        case ts.SyntaxKind.FunctionExpression:
        case ts.SyntaxKind.Constructor:
        case ts.SyntaxKind.ArrowFunction:
            return true;
        default:
            return false;
    }
}
exports.isFunctionWithBody = isFunctionWithBody;
function forEachToken(node, cb, sourceFile) {
    if (sourceFile === void 0) { sourceFile = node.getSourceFile(); }
    return (function iterate(child) {
        if (isTokenKind(child.kind))
            return cb(child);
        if (child.kind !== ts.SyntaxKind.JSDocComment)
            return child.getChildren(sourceFile).forEach(iterate);
    })(node);
}
exports.forEachToken = forEachToken;
function forEachTokenWithTrivia(node, cb, sourceFile) {
    if (sourceFile === void 0) { sourceFile = node.getSourceFile(); }
    var fullText = sourceFile.text;
    var notJsx = sourceFile.languageVariant !== ts.LanguageVariant.JSX;
    var scanner = ts.createScanner(sourceFile.languageVersion, false, sourceFile.languageVariant, fullText);
    return forEachToken(node, function (token) {
        var tokenStart = token.getStart(sourceFile);
        var end = token.end;
        if (tokenStart !== token.pos && (notJsx || canHaveLeadingTrivia(token))) {
            scanner.setTextPos(token.pos);
            var position = void 0;
            do {
                var kind = scanner.scan();
                position = scanner.getTextPos();
                cb(fullText, kind, { pos: scanner.getTokenPos(), end: position }, token.parent);
            } while (position < tokenStart);
        }
        return cb(fullText, token.kind, { end: end, pos: tokenStart }, token.parent);
    }, sourceFile);
}
exports.forEachTokenWithTrivia = forEachTokenWithTrivia;
function forEachComment(node, cb, sourceFile) {
    if (sourceFile === void 0) { sourceFile = node.getSourceFile(); }
    var fullText = sourceFile.text;
    var notJsx = sourceFile.languageVariant !== ts.LanguageVariant.JSX;
    return forEachToken(node, function (token) {
        if (notJsx || canHaveLeadingTrivia(token))
            ts.forEachLeadingCommentRange(fullText, token.pos, commentCallback);
        if (notJsx || canHaveTrailingTrivia(token))
            return ts.forEachTrailingCommentRange(fullText, token.end, commentCallback);
    }, sourceFile);
    function commentCallback(pos, end, kind) {
        return cb(fullText, { pos: pos, end: end, kind: kind });
    }
}
exports.forEachComment = forEachComment;
function canHaveLeadingTrivia(_a) {
    var kind = _a.kind, parent = _a.parent;
    if (kind === ts.SyntaxKind.OpenBraceToken)
        return parent.kind !== ts.SyntaxKind.JsxExpression || parent.parent.kind !== ts.SyntaxKind.JsxElement;
    if (kind === ts.SyntaxKind.LessThanToken) {
        if (parent.kind === ts.SyntaxKind.JsxClosingElement)
            return false;
        if (parent.kind === ts.SyntaxKind.JsxOpeningElement || parent.kind === ts.SyntaxKind.JsxSelfClosingElement)
            return parent.parent.parent.kind !== ts.SyntaxKind.JsxElement;
    }
    return kind !== ts.SyntaxKind.JsxText;
}
function canHaveTrailingTrivia(_a) {
    var kind = _a.kind, parent = _a.parent;
    if (kind === ts.SyntaxKind.CloseBraceToken)
        return parent.kind !== ts.SyntaxKind.JsxExpression || parent.parent.kind !== ts.SyntaxKind.JsxElement;
    if (kind === ts.SyntaxKind.GreaterThanToken) {
        if (parent.kind === ts.SyntaxKind.JsxOpeningElement)
            return false;
        if (parent.kind === ts.SyntaxKind.JsxClosingElement || parent.kind === ts.SyntaxKind.JsxSelfClosingElement)
            return parent.parent.parent.kind !== ts.SyntaxKind.JsxElement;
    }
    return kind !== ts.SyntaxKind.JsxText;
}
function endsControlFlow(statement) {
    return getControlFlowEnd(statement) !== 0;
}
exports.endsControlFlow = endsControlFlow;
var StatementType;
(function (StatementType) {
    StatementType[StatementType["None"] = 0] = "None";
    StatementType[StatementType["Break"] = 1] = "Break";
    StatementType[StatementType["Other"] = 2] = "Other";
})(StatementType || (StatementType = {}));
function getControlFlowEnd(statement) {
    while (node_1.isBlockLike(statement)) {
        if (statement.statements.length === 0)
            return 0;
        statement = statement.statements[statement.statements.length - 1];
    }
    return hasReturnBreakContinueThrow(statement);
}
function hasReturnBreakContinueThrow(statement) {
    switch (statement.kind) {
        case ts.SyntaxKind.ReturnStatement:
        case ts.SyntaxKind.ContinueStatement:
        case ts.SyntaxKind.ThrowStatement:
            return 2;
        case ts.SyntaxKind.BreakStatement:
            return 1;
    }
    if (node_1.isIfStatement(statement)) {
        if (statement.elseStatement === undefined)
            return 0;
        var then = getControlFlowEnd(statement.thenStatement);
        if (!then)
            return then;
        return Math.min(then, getControlFlowEnd(statement.elseStatement));
    }
    if (node_1.isSwitchStatement(statement)) {
        var hasDefault = false;
        var type = 0;
        for (var _i = 0, _a = statement.caseBlock.clauses; _i < _a.length; _i++) {
            var clause = _a[_i];
            type = getControlFlowEnd(clause);
            if (type === 1)
                return 0;
            if (clause.kind === ts.SyntaxKind.DefaultClause)
                hasDefault = true;
        }
        return hasDefault && type !== 0 ? 2 : 0;
    }
    return 0;
}
function getLineRanges(sourceFile) {
    var lineStarts = sourceFile.getLineStarts();
    var result = [];
    var length = lineStarts.length;
    var sourceText = sourceFile.text;
    var pos = 0;
    for (var i = 1; i < length; ++i) {
        var end = lineStarts[i];
        result.push({
            pos: pos,
            end: end,
            contentLength: end - pos - (sourceText[end - 2] === '\r' ? 2 : 1),
        });
        pos = end;
    }
    result.push({
        pos: pos,
        end: sourceFile.end,
        contentLength: sourceFile.end - pos,
    });
    return result;
}
exports.getLineRanges = getLineRanges;
var scanner;
function scanToken(text) {
    if (scanner === undefined)
        scanner = ts.createScanner(ts.ScriptTarget.Latest, false);
    scanner.setText(text);
    scanner.scan();
    return scanner;
}
function isValidIdentifier(text) {
    var scan = scanToken(text);
    return scan.isIdentifier() && scan.getTextPos() === text.length;
}
exports.isValidIdentifier = isValidIdentifier;
function isValidPropertyAccess(text) {
    if (!ts.isIdentifierStart(text.charCodeAt(0), ts.ScriptTarget.Latest))
        return false;
    for (var i = 1; i < text.length; ++i) {
        if (!ts.isIdentifierPart(text.charCodeAt(i), ts.ScriptTarget.Latest))
            return false;
    }
    return true;
}
exports.isValidPropertyAccess = isValidPropertyAccess;
function isValidPropertyName(text) {
    if (isValidPropertyAccess(text)) {
        return true;
    }
    var scan = scanToken(text);
    return scan.getTextPos() === text.length &&
        scan.getToken() === ts.SyntaxKind.NumericLiteral && scan.getTokenValue() === text;
}
exports.isValidPropertyName = isValidPropertyName;
function isValidNumericLiteral(text) {
    var scan = scanToken(text);
    return scan.getToken() === ts.SyntaxKind.NumericLiteral && scan.getTextPos() === text.length;
}
exports.isValidNumericLiteral = isValidNumericLiteral;
function isSameLine(sourceFile, pos1, pos2) {
    return ts.getLineAndCharacterOfPosition(sourceFile, pos1).line
        === ts.getLineAndCharacterOfPosition(sourceFile, pos2).line;
}
exports.isSameLine = isSameLine;
var SideEffectOptions;
(function (SideEffectOptions) {
    SideEffectOptions[SideEffectOptions["None"] = 0] = "None";
    SideEffectOptions[SideEffectOptions["TaggedTemplate"] = 1] = "TaggedTemplate";
    SideEffectOptions[SideEffectOptions["Constructor"] = 2] = "Constructor";
    SideEffectOptions[SideEffectOptions["JsxElement"] = 4] = "JsxElement";
})(SideEffectOptions = exports.SideEffectOptions || (exports.SideEffectOptions = {}));
function hasSideEffects(node, options) {
    switch (node.kind) {
        case ts.SyntaxKind.CallExpression:
        case ts.SyntaxKind.PostfixUnaryExpression:
        case ts.SyntaxKind.AwaitExpression:
        case ts.SyntaxKind.YieldExpression:
        case ts.SyntaxKind.DeleteExpression:
            return true;
        case ts.SyntaxKind.TypeAssertionExpression:
        case ts.SyntaxKind.AsExpression:
        case ts.SyntaxKind.ParenthesizedExpression:
        case ts.SyntaxKind.NonNullExpression:
        case ts.SyntaxKind.VoidExpression:
        case ts.SyntaxKind.TypeOfExpression:
        case ts.SyntaxKind.PropertyAccessExpression:
        case ts.SyntaxKind.SpreadElement:
        case ts.SyntaxKind.PartiallyEmittedExpression:
            return hasSideEffects(node.expression, options);
        case ts.SyntaxKind.BinaryExpression:
            return isAssignmentKind(node.operatorToken.kind) ||
                hasSideEffects(node.left, options) ||
                hasSideEffects(node.right, options);
        case ts.SyntaxKind.PrefixUnaryExpression:
            switch (node.operator) {
                case ts.SyntaxKind.PlusPlusToken:
                case ts.SyntaxKind.MinusMinusToken:
                    return true;
                default:
                    return hasSideEffects(node.operand, options);
            }
        case ts.SyntaxKind.ElementAccessExpression:
            return hasSideEffects(node.expression, options) ||
                node.argumentExpression !== undefined &&
                    hasSideEffects(node.argumentExpression, options);
        case ts.SyntaxKind.ConditionalExpression:
            return hasSideEffects(node.condition, options) ||
                hasSideEffects(node.whenTrue, options) ||
                hasSideEffects(node.whenFalse, options);
        case ts.SyntaxKind.NewExpression:
            if (options & 2 || hasSideEffects(node.expression, options))
                return true;
            if (node.arguments !== undefined)
                for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) {
                    var child = _a[_i];
                    if (hasSideEffects(child, options))
                        return true;
                }
            return false;
        case ts.SyntaxKind.TaggedTemplateExpression:
            if (options & 1 || hasSideEffects(node.tag, options))
                return true;
            node = node.template;
        case ts.SyntaxKind.TemplateExpression:
            for (var _b = 0, _c = node.templateSpans; _b < _c.length; _b++) {
                var child = _c[_b];
                if (hasSideEffects(child.expression, options))
                    return true;
            }
            return false;
        case ts.SyntaxKind.ClassExpression:
            return classExpressionHasSideEffects(node, options);
        case ts.SyntaxKind.ArrayLiteralExpression:
            for (var _d = 0, _e = node.elements; _d < _e.length; _d++) {
                var child = _e[_d];
                if (hasSideEffects(child, options))
                    return true;
            }
            return false;
        case ts.SyntaxKind.ObjectLiteralExpression:
            for (var _f = 0, _g = node.properties; _f < _g.length; _f++) {
                var child = _g[_f];
                if (child.name !== undefined && child.name.kind === ts.SyntaxKind.ComputedPropertyName &&
                    hasSideEffects(child.name.expression, options))
                    return true;
                switch (child.kind) {
                    case ts.SyntaxKind.PropertyAssignment:
                        if (hasSideEffects(child.initializer, options))
                            return true;
                        break;
                    case ts.SyntaxKind.SpreadAssignment:
                        if (hasSideEffects(child.expression, options))
                            return true;
                        break;
                }
            }
            return false;
        case ts.SyntaxKind.JsxExpression:
            return node.expression !== undefined && hasSideEffects(node.expression, options);
        case ts.SyntaxKind.JsxElement:
            for (var _h = 0, _j = node.children; _h < _j.length; _h++) {
                var child = _j[_h];
                if (child.kind !== ts.SyntaxKind.JsxText && hasSideEffects(child, options))
                    return true;
            }
            node = node.openingElement;
        case ts.SyntaxKind.JsxSelfClosingElement:
        case ts.SyntaxKind.JsxOpeningElement:
            if (options & 4)
                return true;
            for (var _k = 0, _l = getJsxAttributes(node); _k < _l.length; _k++) {
                var child = _l[_k];
                if (child.kind === ts.SyntaxKind.JsxSpreadAttribute) {
                    if (hasSideEffects(child.expression, options))
                        return true;
                }
                else if (child.initializer !== undefined && hasSideEffects(child.initializer, options)) {
                    return true;
                }
            }
            return false;
        default:
            return false;
    }
}
exports.hasSideEffects = hasSideEffects;
function getJsxAttributes(openElement) {
    var attributes = openElement.attributes;
    return Array.isArray(attributes) ? attributes : attributes.properties;
}
function classExpressionHasSideEffects(node, options) {
    if (node.heritageClauses !== undefined && node.heritageClauses[0].token === ts.SyntaxKind.ExtendsKeyword)
        for (var _i = 0, _a = node.heritageClauses[0].types; _i < _a.length; _i++) {
            var base = _a[_i];
            if (hasSideEffects(base.expression, options))
                return true;
        }
    for (var _b = 0, _c = node.members; _b < _c.length; _b++) {
        var child = _c[_b];
        if (child.name !== undefined && child.name.kind === ts.SyntaxKind.ComputedPropertyName &&
            hasSideEffects(child.name.expression, options) ||
            node_1.isPropertyDeclaration(child) && child.initializer !== undefined &&
                hasSideEffects(child.initializer, options))
            return true;
    }
    return false;
}
function getDeclarationOfBindingElement(node) {
    var parent = node.parent.parent;
    while (parent.kind === ts.SyntaxKind.BindingElement)
        parent = parent.parent.parent;
    return parent;
}
exports.getDeclarationOfBindingElement = getDeclarationOfBindingElement;
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