pondjs
Version:
A timeseries library build on top of immutable.js
1,109 lines • 99.8 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var ts = require("typescript");
var node_1 = require("../typeguard/node");
tslib_1.__exportStar(require("./control-flow"), exports);
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 getModifier(node, kind) {
if (node.modifiers !== undefined)
for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
var modifier = _a[_i];
if (modifier.kind === kind)
return modifier;
}
}
exports.getModifier = getModifier;
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 isModifierFlagSet(node, flag) {
return (ts.getCombinedModifierFlags(node) & flag) !== 0;
}
exports.isModifierFlagSet = isModifierFlagSet;
function isModfierFlagSet(node, flag) {
return isModifierFlagSet(node, flag);
}
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, 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 getCommentAtPosition(sourceFile, pos, parent) {
if (parent === void 0) { parent = sourceFile; }
var token = getTokenAtPosition(parent, pos, sourceFile);
if (token === undefined || token.kind === ts.SyntaxKind.JsxText || pos >= token.end - (ts.tokenToString(token.kind) || '').length)
return;
var startPos = token.pos === 0
? (ts.getShebang(sourceFile.text) || '').length
: token.pos;
return startPos !== 0 && ts.forEachTrailingCommentRange(sourceFile.text, startPos, commentAtPositionCallback, pos) ||
ts.forEachLeadingCommentRange(sourceFile.text, startPos, commentAtPositionCallback, pos);
}
exports.getCommentAtPosition = getCommentAtPosition;
function commentAtPositionCallback(pos, end, kind, _nl, at) {
return at >= pos && at < end ? { pos: pos, end: end, kind: kind } : undefined;
}
function isPositionInComment(sourceFile, pos, parent) {
return getCommentAtPosition(sourceFile, pos, parent) !== undefined;
}
exports.isPositionInComment = isPositionInComment;
function getWrappedNodeAtPosition(wrap, pos) {
if (wrap.node.pos > pos || wrap.node.end <= pos)
return;
outer: while (true) {
for (var _i = 0, _a = wrap.children; _i < _a.length; _i++) {
var child = _a[_i];
if (child.node.pos > pos)
return wrap;
if (child.node.end > pos) {
wrap = child;
continue outer;
}
}
return wrap;
}
}
exports.getWrappedNodeAtPosition = getWrappedNodeAtPosition;
function getPropertyName(propertyName) {
if (propertyName.kind === ts.SyntaxKind.ComputedPropertyName) {
if (!node_1.isLiteralExpression(propertyName.expression))
return;
return propertyName.expression.text;
}
return propertyName.kind === ts.SyntaxKind.Identifier ? getIdentifierText(propertyName) : 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)
return 1;
if (declarationList.flags & ts.NodeFlags.Const)
return 2;
return 0;
}
exports.getVariableDeclarationKind = getVariableDeclarationKind;
function isBlockScopedVariableDeclarationList(declarationList) {
return (declarationList.flags & ts.NodeFlags.BlockScoped) !== 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:
case ts.SyntaxKind.ConditionalType:
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:
case ts.SyntaxKind.Constructor:
return node.body !== undefined;
case ts.SyntaxKind.FunctionExpression:
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 scanner = ts.createScanner(sourceFile.languageVersion, false, sourceFile.languageVariant, fullText);
return forEachToken(node, function (token) {
var tokenStart = token.kind === ts.SyntaxKind.JsxText || token.pos === token.end ? token.pos : token.getStart(sourceFile);
if (tokenStart !== token.pos) {
scanner.setTextPos(token.pos);
var kind = scanner.scan();
var pos = scanner.getTokenPos();
while (pos < tokenStart) {
var textPos = scanner.getTextPos();
cb(fullText, kind, { pos: pos, end: textPos }, token.parent);
if (textPos === tokenStart)
break;
kind = scanner.scan();
pos = scanner.getTokenPos();
}
}
return cb(fullText, token.kind, { end: token.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 (token.pos === token.end)
return;
if (token.kind !== ts.SyntaxKind.JsxText)
ts.forEachLeadingCommentRange(fullText, token.pos === 0 ? (ts.getShebang(fullText) || '').length : token.pos, commentCallback);
if (notJsx || canHaveTrailingTrivia(token))
return ts.forEachTrailingCommentRange(fullText, token.end, commentCallback);
}, sourceFile);
function commentCallback(pos, end, kind) {
cb(fullText, { pos: pos, end: end, kind: kind });
}
}
exports.forEachComment = forEachComment;
function canHaveTrailingTrivia(token) {
switch (token.kind) {
case ts.SyntaxKind.CloseBraceToken:
return token.parent.kind !== ts.SyntaxKind.JsxExpression || !isJsxElementOrFragment(token.parent.parent);
case ts.SyntaxKind.GreaterThanToken:
switch (token.parent.kind) {
case ts.SyntaxKind.JsxOpeningElement:
return token.end !== token.parent.end;
case ts.SyntaxKind.JsxOpeningFragment:
return false;
case ts.SyntaxKind.JsxSelfClosingElement:
return token.end !== token.parent.end ||
!isJsxElementOrFragment(token.parent.parent);
case ts.SyntaxKind.JsxClosingElement:
case ts.SyntaxKind.JsxClosingFragment:
return !isJsxElementOrFragment(token.parent.parent.parent);
}
}
return true;
}
function isJsxElementOrFragment(node) {
return node.kind === ts.SyntaxKind.JsxElement || node.kind === ts.SyntaxKind.JsxFragment;
}
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];
var lineEnd = end;
for (; lineEnd > pos; --lineEnd)
if (!ts.isLineBreak(sourceText.charCodeAt(lineEnd - 1)))
break;
result.push({
pos: pos,
end: end,
contentLength: lineEnd - pos,
});
pos = end;
}
result.push({
pos: pos,
end: sourceFile.end,
contentLength: sourceFile.end - pos,
});
return result;
}
exports.getLineRanges = getLineRanges;
function getLineBreakStyle(sourceFile) {
var lineStarts = sourceFile.getLineStarts();
return lineStarts.length === 1 || lineStarts[1] < 2 || sourceFile.text[lineStarts[1] - 2] !== '\r'
? '\n'
: '\r\n';
}
exports.getLineBreakStyle = getLineBreakStyle;
var cachedScanner;
function scanToken(text) {
if (cachedScanner === undefined)
cachedScanner = ts.createScanner(ts.ScriptTarget.Latest, false);
cachedScanner.setText(text);
cachedScanner.scan();
return cachedScanner;
}
function isValidIdentifier(text) {
var scan = scanToken(text);
return scan.isIdentifier() && scan.getTextPos() === text.length && scan.getTokenPos() === 0;
}
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 && scan.getTokenPos() === 0;
}
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;
if (node.template.kind === ts.SyntaxKind.NoSubstitutionTemplateLiteral)
return false;
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;
}
}
return false;
case ts.SyntaxKind.JsxExpression:
return node.expression !== undefined && hasSideEffects(node.expression, options);
case ts.SyntaxKind.JsxElement:
case ts.SyntaxKind.JsxFragment:
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;
}
if (node.kind === ts.SyntaxKind.JsxFragment)
return false;
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;
case ts.SyntaxKind.CommaListExpression:
for (var _m = 0, _o = node.elements; _m < _o.length; _m++) {
var child = _o[_m];
if (hasSideEffects(child, 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;
function isExpressionValueUsed(node) {
while (true) {
var parent = node.parent;
switch (parent.kind) {
case ts.SyntaxKind.CallExpression:
case ts.SyntaxKind.NewExpression:
case ts.SyntaxKind.ElementAccessExpression:
case ts.SyntaxKind.WhileStatement:
case ts.SyntaxKind.DoStatement:
case ts.SyntaxKind.WithStatement:
case ts.SyntaxKind.ThrowStatement:
case ts.SyntaxKind.ReturnStatement:
case ts.SyntaxKind.JsxExpression:
case ts.SyntaxKind.JsxSpreadAttribute:
case ts.SyntaxKind.JsxElement:
case ts.SyntaxKind.JsxFragment:
case ts.SyntaxKind.JsxSelfClosingElement:
case ts.SyntaxKind.ComputedPropertyName:
case ts.SyntaxKind.ArrowFunction:
case ts.SyntaxKind.ExportSpecifier:
case ts.SyntaxKind.ExportAssignment:
case ts.SyntaxKind.ImportDeclaration:
case ts.SyntaxKind.ExternalModuleReference:
case ts.SyntaxKind.Decorator:
case ts.SyntaxKind.TaggedTemplateExpression:
case ts.SyntaxKind.TemplateSpan:
case ts.SyntaxKind.ExpressionWithTypeArguments:
case ts.SyntaxKind.TypeOfExpression:
case ts.SyntaxKind.AwaitExpression:
case ts.SyntaxKind.YieldExpression:
case ts.SyntaxKind.LiteralType:
case ts.SyntaxKind.JsxAttributes:
case ts.SyntaxKind.JsxOpeningElement:
case ts.SyntaxKind.JsxClosingElement:
case ts.SyntaxKind.IfStatement:
case ts.SyntaxKind.CaseClause:
case ts.SyntaxKind.SwitchStatement:
return true;
case ts.SyntaxKind.PropertyAccessExpression:
return parent.expression === node;
case ts.SyntaxKind.QualifiedName:
return parent.left === node;
case ts.SyntaxKind.ShorthandPropertyAssignment:
return parent.objectAssignmentInitializer === node ||
!isInDestructuringAssignment(parent);
case ts.SyntaxKind.PropertyAssignment:
return parent.initializer === node && !isInDestructuringAssignment(parent);
case ts.SyntaxKind.SpreadAssignment:
case ts.SyntaxKind.SpreadElement:
case ts.SyntaxKind.ArrayLiteralExpression:
return !isInDestructuringAssignment(parent);
case ts.SyntaxKind.ParenthesizedExpression:
case ts.SyntaxKind.AsExpression:
case ts.SyntaxKind.TypeAssertionExpression:
case ts.SyntaxKind.PostfixUnaryExpression:
case ts.SyntaxKind.PrefixUnaryExpression:
case ts.SyntaxKind.NonNullExpression:
node = parent;
break;
case ts.SyntaxKind.ForStatement:
return parent.condition === node;
case ts.SyntaxKind.ForInStatement:
case ts.SyntaxKind.ForOfStatement:
return parent.expression === node;
case ts.SyntaxKind.ConditionalExpression:
if (parent.condition === node)
return true;
node = parent;
break;
case ts.SyntaxKind.PropertyDeclaration:
case ts.SyntaxKind.BindingElement:
case ts.SyntaxKind.VariableDeclaration:
case ts.SyntaxKind.Parameter:
case ts.SyntaxKind.EnumMember:
return parent.initializer === node;
case ts.SyntaxKind.ImportEqualsDeclaration:
return parent.moduleReference === node;
case ts.SyntaxKind.CommaListExpression:
if (parent.elements[parent.elements.length - 1] !== node)
return false;
node = parent;
break;
case ts.SyntaxKind.BinaryExpression:
if (parent.right === node) {
if (parent.operatorToken.kind === ts.SyntaxKind.CommaToken) {
node = parent;
break;
}
return true;
}
switch (parent.operatorToken.kind) {
case ts.SyntaxKind.CommaToken:
case ts.SyntaxKind.EqualsToken:
return false;
case ts.SyntaxKind.EqualsEqualsEqualsToken:
case ts.SyntaxKind.EqualsEqualsToken:
case ts.SyntaxKind.ExclamationEqualsEqualsToken:
case ts.SyntaxKind.ExclamationEqualsToken:
case ts.SyntaxKind.InstanceOfKeyword:
case ts.SyntaxKind.PlusToken:
case ts.SyntaxKind.MinusToken:
case ts.SyntaxKind.AsteriskToken:
case ts.SyntaxKind.SlashToken:
case ts.SyntaxKind.PercentToken:
case ts.SyntaxKind.AsteriskAsteriskToken:
case ts.SyntaxKind.GreaterThanToken:
case ts.SyntaxKind.GreaterThanGreaterThanToken:
case ts.SyntaxKind.GreaterThanGreaterThanGreaterThanToken:
case ts.SyntaxKind.GreaterThanEqualsToken:
case ts.SyntaxKind.LessThanToken:
case ts.SyntaxKind.LessThanLessThanToken:
case ts.SyntaxKind.LessThanEqualsToken:
case ts.SyntaxKind.AmpersandToken:
case ts.SyntaxKind.BarToken:
case ts.SyntaxKind.CaretToken:
case ts.SyntaxKind.BarBarToken:
case ts.SyntaxKind.AmpersandAmpersandToken:
case ts.SyntaxKind.InKeyword:
return true;
default:
node = parent;
}
break;
default:
return false;
}
}
}
exports.isExpressionValueUsed = isExpressionValueUsed;
function isInDestructuringAssignment(node) {
switch (node.kind) {
case ts.SyntaxKind.ShorthandPropertyAssignment:
if (node.objectAssignmentInitializer !== undefined)
return true;
case ts.SyntaxKind.PropertyAssignment:
case ts.SyntaxKind.SpreadAssignment:
node = node.parent;
break;
case ts.SyntaxKind.SpreadElement:
if (node.parent.kind !== ts.SyntaxKind.ArrayLiteralExpression)
return false;
node = node.parent;
}
while (true) {
switch (node.parent.kind) {
case ts.SyntaxKind.BinaryExpression:
return node.parent.left === node &&
node.parent.operatorToken.kind === ts.SyntaxKind.EqualsToken;
case ts.SyntaxKind.ForOfStatement:
return node.parent.initializer === node;
case ts.SyntaxKind.ArrayLiteralExpression:
case ts.SyntaxKind.ObjectLiteralExpression:
node = node.parent;
break;
case ts.SyntaxKind.SpreadAssignment:
case ts.SyntaxKind.PropertyAssignment:
node = node.parent.parent;
break;
case ts.SyntaxKind.SpreadElement:
if (node.parent.parent.kind !== ts.SyntaxKind.ArrayLiteralExpression)
return false;
node = node.parent.parent;
break;
default:
return false;
}
}
}
function isReassignmentTarget(node) {
var parent = node.parent;
switch (parent.kind) {
case ts.SyntaxKind.PostfixUnaryExpression:
case ts.SyntaxKind.DeleteExpression:
return true;
case ts.SyntaxKind.PrefixUnaryExpression:
return parent.operator === ts.SyntaxKind.PlusPlusToken ||
parent.operator === ts.SyntaxKind.MinusMinusToken;
case ts.SyntaxKind.BinaryExpression:
return parent.left === node &&
isAssignmentKind(parent.operatorToken.kind);
case ts.SyntaxKind.ShorthandPropertyAssignment:
return parent.name === node &&
isInDestructuringAssignment(parent);
case ts.SyntaxKind.PropertyAssignment:
return parent.initializer === node &&
isInDestructuringAssignment(parent);
case ts.SyntaxKind.ArrayLiteralExpression:
case ts.SyntaxKind.SpreadElement:
case ts.SyntaxKind.SpreadAssignment:
return isInDestructuringAssignment(parent);
case ts.SyntaxKind.ParenthesizedExpression:
case ts.SyntaxKind.NonNullExpression:
case ts.SyntaxKind.TypeAssertionExpression:
case ts.SyntaxKind.AsExpression:
return isReassignmentTarget(parent);
case ts.SyntaxKind.ForOfStatement:
case ts.SyntaxKind.ForInStatement:
return parent.initializer === node;
}
return false;
}
exports.isReassignmentTarget = isReassignmentTarget;
function getIdentifierText(node) {
return ts.unescapeIdentifier ? ts.unescapeIdentifier(node.text) : node.text;
}
exports.getIdentifierText = getIdentifierText;
function canHaveJsDoc(node) {
var kind = node.kind;
switch (kind) {
case ts.SyntaxKind.Parameter:
case ts.SyntaxKind.CallSignature:
case ts.SyntaxKind.ConstructSignature:
case ts.SyntaxKind.MethodSignature:
case ts.SyntaxKind.PropertySignature:
case ts.SyntaxKind.ArrowFunction:
case ts.SyntaxKind.ParenthesizedExpression:
case ts.SyntaxKind.SpreadAssignment:
case ts.SyntaxKind.ShorthandPropertyAssignment:
case ts.SyntaxKind.PropertyAssignment:
case ts.SyntaxKind.FunctionExpression:
case ts.SyntaxKind.FunctionDeclaration:
case ts.SyntaxKind.LabeledStatement:
case ts.SyntaxKind.ExpressionStatement:
case ts.SyntaxKind.VariableStatement:
case ts.SyntaxKind.Constructor:
case ts.SyntaxKind.MethodDeclaration:
case ts.SyntaxKind.PropertyDeclaration:
case ts.SyntaxKind.GetAccessor:
case ts.SyntaxKind.SetAccessor:
case ts.SyntaxKind.ClassDeclaration:
case ts.SyntaxKind.ClassExpression:
case ts.SyntaxKind.InterfaceDeclaration:
case ts.SyntaxKind.TypeAliasDeclaration:
case ts.SyntaxKind.EnumMember:
case ts.SyntaxKind.EnumDeclaration:
case ts.SyntaxKind.ModuleDeclaration:
case ts.SyntaxKind.ImportEqualsDeclaration:
case ts.SyntaxKind.IndexSignature:
case ts.SyntaxKind.FunctionType:
case ts.SyntaxKind.ConstructorType:
case ts.SyntaxKind.JSDocFunctionType:
case ts.SyntaxKind.EndOfFileToken:
return true;
default:
return false;
}
}
exports.canHaveJsDoc = canHaveJsDoc;
function getJsDoc(node, sourceFile) {
if (node.kind === ts.SyntaxKind.EndOfFileToken)
return parseJsDocWorker(node, sourceFile || node.parent);
var result = [];
for (var _i = 0, _a = node.getChildren(sourceFile); _i < _a.length; _i++) {
var child = _a[_i];
if (!node_1.isJsDoc(child))
break;
result.push(child);
}
return result;
}
exports.getJsDoc = getJsDoc;
function parseJsDocOfNode(node, considerTrailingComments, sourceFile) {
if (sourceFile === void 0) { sourceFile = node.getSourceFile(); }
if (canHaveJsDoc(node) && node.kind !== ts.SyntaxKind.EndOfFileToken) {
var result = getJsDoc(node, sourceFile);
if (result.length !== 0 || !considerTrailingComments)
return result;
}
return parseJsDocWorker(node, sourceFile, considerTrailingComments);
}
exports.parseJsDocOfNode = parseJsDocOfNode;
function parseJsDocWorker(node, sourceFile, considerTrailingComments) {
var nodeStart = node.getStart(sourceFile);
var start = ts[considerTrailingComments && isSameLine(sourceFile, node.pos, nodeStart)
? 'forEachTrailingCommentRange'
: 'forEachLeadingCommentRange'](sourceFile.text, node.pos, function (pos, _end, kind) { return kind === ts.SyntaxKind.MultiLineCommentTrivia && sourceFile.text[pos + 2] === '*' ? { pos: pos } : undefined; });
if (start === undefined)
return [];
var startPos = start.pos;
var text = sourceFile.text.slice(startPos, nodeStart);
var newSourceFile = ts.createSourceFile('jsdoc.ts', text + "var a;", sourceFile.languageVersion);
var result = getJsDoc(newSourceFile.statements[0], newSourceFile);
for (var _i = 0, result_1 = result; _i < result_1.length; _i++) {
var doc = result_1[_i];
updateNode(doc, node);
}
return result;
function updateNode(n, parent) {
n.pos += startPos;
n.end += startPos;
n.parent = parent;
return ts.forEachChild(n, function (child) { return updateNode(child, n); }, function (children) {
children.pos += startPos;
children.end += startPos;
for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
var child = children_1[_i];
updateNode(child, n);
}
});
}
}
var ImportKind;
(function (ImportKind) {
ImportKind[ImportKind["ImportDeclaration"] = 1] = "ImportDeclaration";
ImportKind[ImportKind["ImportEquals"] = 2] = "ImportEquals";
ImportKind[ImportKind["ExportFrom"] = 4] = "ExportFrom";
ImportKind[ImportKind["DynamicImport"] = 8] = "DynamicImport";
ImportKind[ImportKind["Require"] = 16] = "Require";
ImportKind[ImportKind["ImportType"] = 32] = "ImportType";
ImportKind[ImportKind["All"] = 63] = "All";
ImportKind[ImportKind["AllImports"] = 59] = "AllImports";
ImportKind[ImportKind["AllStaticImports"] = 3] = "AllStaticImports";
ImportKind[ImportKind["AllImportExpressions"] = 24] = "AllImportExpressions";
ImportKind[ImportKind["AllRequireLike"] = 18] = "AllRequireLike";
ImportKind[ImportKind["AllNestedImports"] = 56] = "AllNestedImports";
})(ImportKind = exports.ImportKind || (exports.ImportKind = {}));
var ImportOptions;
(function (ImportOptions) {
ImportOptions[ImportOptions["ImportDeclaration"] = 1] = "ImportDeclaration";
ImportOptions[ImportOptions["ImportEquals"] = 2] = "ImportEquals";
ImportOptions[ImportOptions["ExportFrom"] = 4] = "ExportFrom";
ImportOptions[ImportOptions["DynamicImport"] = 8] = "DynamicImport";
ImportOptions[ImportOptions["Require"] = 16] = "Require";
ImportOptions[ImportOptions["All"] = 31] = "All";
ImportOptions[ImportOptions["AllImports"] = 27] = "AllImports";
ImportOptions[ImportOptions["AllStaticImports"] = 3] = "AllStaticImports";
ImportOptions[ImportOptions["AllDynamic"] = 24] = "AllDynamic";
ImportOptions[ImportOptions["AllRequireLike"] = 18] = "AllRequireLike";
})(ImportOptions = exports.ImportOptions || (exports.ImportOptions = {}));
function findImports(sourceFile, options) {
return new ImportFinder(sourceFile, options).find();
}
exports.findImports = findImports;
var ImportFinder = (function () {
function ImportFinder(_sourceFile, _options) {
var _this = this;
this._sourceFile = _sourceFile;
this._options = _options;
this._result = [];
this._findNested = function (node) {
if (node_1.isCallExpression(node)) {
if (node.arguments.length === 1 &&
(node.expression.kind === ts.SyntaxKind.ImportKeyword && _this._options & 8 ||
_this._options & 16 && node.expression.kind === ts.SyntaxKind.Identifier &&
node.expression.text === 'require'))
_this._addImport(node.arguments[0]);
}
else if (node_1.isImportTypeNode(node) && node_1.isLiteralTypeNode(node.argument) && _this._options & 32) {
_this._addImport(node.argument.literal);
}
ts.forEachChild(node, _this._findNested);
};
}
ImportFinder.prototype.find = function () {
if (this._sourceFile.isDeclarationFile)
this._options &= ~24;
this._findImports(this._sourceFile.statements);
return this._result;
};
ImportFinder.prototype._findImports = function (statements) {
for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
var statement = statements_1[_i];
if (node_1.isImportDeclaration(statement)) {
if (this._options & 1)
this._addImport(statement.moduleSpecifier);
}
else if (node_1.isImportEqualsDeclaration(statement)) {
if (this._options & 2 &&
statement.moduleReference.kind === ts.SyntaxKind.ExternalModuleReference &&
statement.moduleReference.expression !== undefined)
this._addImport(statement.moduleReference.expression);
}
else if (node_1.isExportDeclaration(statement)) {
if (statement.moduleSpecifier !== undefined && this._options & 4)
this._addImport(statement.moduleSpecifier);
}
else if (node_1.isModuleDeclaration(statement) &&
this._options & (3 | 4) &&
statement.body !== undefined && statement.name.kind === ts.SyntaxKind.StringLiteral &&
ts.isExternalModule(this._sourceFile)) {
this._findImports(statement.body.statements);
}
else if (this._options & 56) {
ts.forEachChild(statement, this._findNested);
}
}
};
ImportFinder.prototype._addImport = function (expression) {
if (node_1.isTextualLiteral(expression))
this._result.push(expression);
};
return ImportFinder;
}());
function isStatementInAmbientContext(node) {
while (node.flags & ts.NodeFlags.NestedNamespace)
node = node.parent;
return hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword) || isAmbientModuleBlock(node.parent);
}
exports.isStatementInAmbientContext = isStatementInAmbientContext;
function isAmbientModuleBlock(node) {
while (node.kind === ts.SyntaxKind.ModuleBlock) {
do
node = node.parent;
while (node.flags & ts.NodeFlags.NestedNamespace);
if (hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword))
return true;
node = node.parent;
}
return false;
}
exports.isAmbientModuleBlock = isAmbientModuleBlock;
function getIIFE(func) {
var node = func.parent;
while (node.kind === ts.SyntaxKind.ParenthesizedExpression)
node = node.parent;
return node_1.isCallExpression(node) && func.end <= node.expression.end ? node : undefined;
}
exports.getIIFE = getIIFE;
function isStrictCompilerOptionEnabled(options, option) {
return (options.strict ? options[option] !== false : options[option] === true) &&
(option !== 'strictPropertyInitialization' || isStrictCompilerOptionEnabled(options, 'strictNullChecks'));
}
exports.isStrictCompilerOptionEnabled = isStrictCompilerOptionEnabled;
function isCompilerOptionEnabled(options, option) {
switch (option) {
case 'stripInternal':
return options.stripInternal === true && isCompilerOptionEnabled(options, 'declaration');
case 'declaration':
return options.declaration || isCompilerOptionEnabled(options, 'composite');
case 'noImplicitAny':
case 'noImplicitThis':
case 'strictNullChecks':
case 'strictFunctionTypes':
case 'strictPropertyInitialization':
case 'alwaysStrict':
return isStrictCompilerOptionEnabled(options, option);
}
return options[option] === true;
}
exports.isCompilerOptionEnabled = isCompilerOptionEnabled;
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