diff --git a/kmath-ast/build.gradle.kts b/kmath-ast/build.gradle.kts
index 3e3c0475f..e3884025d 100644
--- a/kmath-ast/build.gradle.kts
+++ b/kmath-ast/build.gradle.kts
@@ -9,6 +9,12 @@ kotlin.sourceSets {
         }
     }
 
+    jsMain {
+        dependencies {
+            implementation(npm("astring", "1.4.3"))
+        }
+    }
+
     jvmMain {
         dependencies {
             api("com.github.h0tk3y.betterParse:better-parse:0.4.0")
diff --git a/kmath-ast/src/jsMain/kotlin/Codegen.kt b/kmath-ast/src/jsMain/kotlin/Codegen.kt
new file mode 100644
index 000000000..e69de29bb
diff --git a/kmath-ast/src/jsMain/kotlin/astring.d.ts b/kmath-ast/src/jsMain/kotlin/astring.d.ts
new file mode 100644
index 000000000..22cd7e980
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/astring.d.ts
@@ -0,0 +1,50 @@
+// Type definitions for astring 1.3
+// Project: https://github.com/davidbonnet/astring
+// Definitions by: Nikolaj Kappler <https://github.com/nkappler>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.8
+
+import * as ESTree from 'estree';
+import 'node';
+import { Stream } from 'stream';
+
+export interface Options {
+    /** string to use for indentation (defaults to "  ") */
+    indent?: string;
+    /** string to use for line endings (defaults to "\n") */
+    lineEnd?: string;
+    /** indent level to start from (defaults to 0) */
+    startingIndentLevel?: number;
+    /** generate comments if true (defaults to false) */
+    comments?: boolean;
+    /** custom code generator (defaults to astring.baseGenerator) */
+    generator?: object;
+    /** source map generator (defaults to null), see https://github.com/mozilla/source-map#sourcemapgenerator */
+    sourceMap?: any;
+}
+
+/** Returns a string representing the rendered code of the provided AST `node`. However, if an `output` stream is provided in the options, it writes to that stream and returns it. */
+export function generate(node: ESTree.Node, options?: Options): string;
+/** Returns a string representing the rendered code of the provided AST `node`. However, if an `output` stream is provided in the options, it writes to that stream and returns it. */
+export function generate(node: ESTree.Node, options: Options & {
+    /** output stream to write the rendered code to (defaults to null) */
+    output: Stream;
+}): Stream;
+
+/**
+ * A code generator consists of a mapping of node names and functions that take two arguments: `node` and `state`.
+ * The `node` points to the node from which to generate the code and the `state` exposes the `write` method that takes generated code strings.
+ */
+export type Generator = { [key in ESTree.Node["type"]]: (node: Extract<ESTree.Node, { type: key }>, state: { write(s: string): void }) => void };
+
+/** Base generator that can be used to extend Astring. See https://github.com/davidbonnet/astring#extending */
+export const baseGenerator: Generator;
+
+declare global {
+    interface astring {
+        generate: typeof generate;
+        /** Base generator that can be used to extend Astring. See https://github.com/davidbonnet/astring#extending */
+        baseGenerator: Generator;
+    }
+    const astring: astring;
+}
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/astring.global.kt b/kmath-ast/src/jsMain/kotlin/astring.global.kt
new file mode 100644
index 000000000..78c771f26
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/astring.global.kt
@@ -0,0 +1,17 @@
+@file:JsQualifier("global")
+@file:Suppress(
+    "INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS",
+    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "KDocMissingDocumentation", "PackageDirectoryMismatch", "ClassName"
+)
+
+package global
+
+import Generator
+
+@Suppress("EXTERNAL_DELEGATION", "NESTED_CLASS_IN_EXTERNAL_INTERFACE")
+external interface astring {
+    var generate: Any
+    var baseGenerator: Generator
+
+    companion object : astring by definedExternally
+}
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/astring.kt b/kmath-ast/src/jsMain/kotlin/astring.kt
new file mode 100644
index 000000000..e9ab6f627
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/astring.kt
@@ -0,0 +1,32 @@
+@file:Suppress("INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS",
+    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "KDocMissingDocumentation"
+)
+
+external interface Options {
+    var indent: String?
+        get() = definedExternally
+        set(value) = definedExternally
+    var lineEnd: String?
+        get() = definedExternally
+        set(value) = definedExternally
+    var startingIndentLevel: Number?
+        get() = definedExternally
+        set(value) = definedExternally
+    var comments: Boolean?
+        get() = definedExternally
+        set(value) = definedExternally
+    var generator: Any?
+        get() = definedExternally
+        set(value) = definedExternally
+    var sourceMap: Any?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external fun generate(node: BaseNode, options: Options /* Options & `T$0` */ = definedExternally): String
+
+external fun generate(node: BaseNode): String
+
+typealias Generator = Any
+
+external var baseGenerator: Generator
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/emitter.d.ts b/kmath-ast/src/jsMain/kotlin/emitter.d.ts
new file mode 100644
index 000000000..ea0319cd6
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/emitter.d.ts
@@ -0,0 +1,19 @@
+export class Emitter {
+    constructor(obj: any)
+    constructor()
+
+    on(event: string, fn: () => void)
+
+    off(event: string, fn: () => void)
+
+    once(event: string, fn: () => void)
+
+    emit(event: string, ...any: any[])
+
+    listeners(event: string): (() => void)[]
+
+    hasListeners(event: string): boolean
+}
+
+
+function mixin(obj: any): any
diff --git a/kmath-ast/src/jsMain/kotlin/emitter.kt b/kmath-ast/src/jsMain/kotlin/emitter.kt
new file mode 100644
index 000000000..ad0a16bf7
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/emitter.kt
@@ -0,0 +1,18 @@
+@file:Suppress(
+    "INTERFACE_WITH_SUPERCLASS",
+    "OVERRIDING_FINAL_MEMBER",
+    "RETURN_TYPE_MISMATCH_ON_OVERRIDE",
+    "CONFLICTING_OVERLOADS", "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "KDocMissingDocumentation", "SortModifiers"
+)
+
+external open class Emitter {
+    constructor(obj: Any)
+    constructor()
+
+    open fun on(event: String, fn: () -> Unit)
+    open fun off(event: String, fn: () -> Unit)
+    open fun once(event: String, fn: () -> Unit)
+    open fun emit(event: String, vararg any: Any)
+    open fun listeners(event: String): Array<() -> Unit>
+    open fun hasListeners(event: String): Boolean
+}
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/estree.d.ts b/kmath-ast/src/jsMain/kotlin/estree.d.ts
new file mode 100644
index 000000000..927477c66
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/estree.d.ts
@@ -0,0 +1,569 @@
+// Type definitions for ESTree AST specification
+// Project: https://github.com/estree/estree
+// Definitions by: RReverser <https://github.com/RReverser>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// This definition file follows a somewhat unusual format. ESTree allows
+// runtime type checks based on the `type` parameter. In order to explain this
+// to typescript we want to use discriminated union types:
+// https://github.com/Microsoft/TypeScript/pull/9163
+//
+// For ESTree this is a bit tricky because the high level interfaces like
+// Node or Function are pulling double duty. We want to pass common fields down
+// to the interfaces that extend them (like Identifier or
+// ArrowFunctionExpression), but you can't extend a type union or enforce
+// common fields on them. So we've split the high level interfaces into two
+// types, a base type which passes down inhereted fields, and a type union of
+// all types which extend the base type. Only the type union is exported, and
+// the union is how other types refer to the collection of inheriting types.
+//
+// This makes the definitions file here somewhat more difficult to maintain,
+// but it has the notable advantage of making ESTree much easier to use as
+// an end user.
+
+interface BaseNodeWithoutComments {
+    // Every leaf interface that extends BaseNode must specify a type property.
+    // The type property should be a string literal. For example, Identifier
+    // has: `type: "Identifier"`
+    type: string;
+    loc?: SourceLocation | null;
+    range?: [number, number];
+}
+
+interface BaseNode extends BaseNodeWithoutComments {
+    leadingComments?: Array<Comment>;
+    trailingComments?: Array<Comment>;
+}
+
+export type Node =
+    Identifier | Literal | Program | Function | SwitchCase | CatchClause |
+    VariableDeclarator | Statement | Expression | Property |
+    AssignmentProperty | Super | TemplateElement | SpreadElement | Pattern |
+    ClassBody | Class | MethodDefinition | ModuleDeclaration | ModuleSpecifier;
+
+export interface Comment extends BaseNodeWithoutComments {
+    type: "Line" | "Block";
+    value: string;
+}
+
+interface SourceLocation {
+    source?: string | null;
+    start: Position;
+    end: Position;
+}
+
+export interface Position {
+    /** >= 1 */
+    line: number;
+    /** >= 0 */
+    column: number;
+}
+
+export interface Program extends BaseNode {
+    type: "Program";
+    sourceType: "script" | "module";
+    body: Array<Directive | Statement | ModuleDeclaration>;
+    comments?: Array<Comment>;
+}
+
+export interface Directive extends BaseNode {
+    type: "ExpressionStatement";
+    expression: Literal;
+    directive: string;
+}
+
+interface BaseFunction extends BaseNode {
+    params: Array<Pattern>;
+    generator?: boolean;
+    async?: boolean;
+    // The body is either BlockStatement or Expression because arrow functions
+    // can have a body that's either. FunctionDeclarations and
+    // FunctionExpressions have only BlockStatement bodies.
+    body: BlockStatement | Expression;
+}
+
+export type Function =
+    FunctionDeclaration | FunctionExpression | ArrowFunctionExpression;
+
+export type Statement =
+    ExpressionStatement | BlockStatement | EmptyStatement |
+    DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement |
+    BreakStatement | ContinueStatement | IfStatement | SwitchStatement |
+    ThrowStatement | TryStatement | WhileStatement | DoWhileStatement |
+    ForStatement | ForInStatement | ForOfStatement | Declaration;
+
+interface BaseStatement extends BaseNode { }
+
+export interface EmptyStatement extends BaseStatement {
+    type: "EmptyStatement";
+}
+
+export interface BlockStatement extends BaseStatement {
+    type: "BlockStatement";
+    body: Array<Statement>;
+    innerComments?: Array<Comment>;
+}
+
+export interface ExpressionStatement extends BaseStatement {
+    type: "ExpressionStatement";
+    expression: Expression;
+}
+
+export interface IfStatement extends BaseStatement {
+    type: "IfStatement";
+    test: Expression;
+    consequent: Statement;
+    alternate?: Statement | null;
+}
+
+export interface LabeledStatement extends BaseStatement {
+    type: "LabeledStatement";
+    label: Identifier;
+    body: Statement;
+}
+
+export interface BreakStatement extends BaseStatement {
+    type: "BreakStatement";
+    label?: Identifier | null;
+}
+
+export interface ContinueStatement extends BaseStatement {
+    type: "ContinueStatement";
+    label?: Identifier | null;
+}
+
+export interface WithStatement extends BaseStatement {
+    type: "WithStatement";
+    object: Expression;
+    body: Statement;
+}
+
+export interface SwitchStatement extends BaseStatement {
+    type: "SwitchStatement";
+    discriminant: Expression;
+    cases: Array<SwitchCase>;
+}
+
+export interface ReturnStatement extends BaseStatement {
+    type: "ReturnStatement";
+    argument?: Expression | null;
+}
+
+export interface ThrowStatement extends BaseStatement {
+    type: "ThrowStatement";
+    argument: Expression;
+}
+
+export interface TryStatement extends BaseStatement {
+    type: "TryStatement";
+    block: BlockStatement;
+    handler?: CatchClause | null;
+    finalizer?: BlockStatement | null;
+}
+
+export interface WhileStatement extends BaseStatement {
+    type: "WhileStatement";
+    test: Expression;
+    body: Statement;
+}
+
+export interface DoWhileStatement extends BaseStatement {
+    type: "DoWhileStatement";
+    body: Statement;
+    test: Expression;
+}
+
+export interface ForStatement extends BaseStatement {
+    type: "ForStatement";
+    init?: VariableDeclaration | Expression | null;
+    test?: Expression | null;
+    update?: Expression | null;
+    body: Statement;
+}
+
+interface BaseForXStatement extends BaseStatement {
+    left: VariableDeclaration | Pattern;
+    right: Expression;
+    body: Statement;
+}
+
+export interface ForInStatement extends BaseForXStatement {
+    type: "ForInStatement";
+}
+
+export interface DebuggerStatement extends BaseStatement {
+    type: "DebuggerStatement";
+}
+
+export type Declaration =
+    FunctionDeclaration | VariableDeclaration | ClassDeclaration;
+
+interface BaseDeclaration extends BaseStatement { }
+
+export interface FunctionDeclaration extends BaseFunction, BaseDeclaration {
+    type: "FunctionDeclaration";
+    /** It is null when a function declaration is a part of the `export default function` statement */
+    id: Identifier | null;
+    body: BlockStatement;
+}
+
+export interface VariableDeclaration extends BaseDeclaration {
+    type: "VariableDeclaration";
+    declarations: Array<VariableDeclarator>;
+    kind: "var" | "let" | "const";
+}
+
+export interface VariableDeclarator extends BaseNode {
+    type: "VariableDeclarator";
+    id: Pattern;
+    init?: Expression | null;
+}
+
+type Expression =
+    ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression |
+    ArrowFunctionExpression | YieldExpression | Literal | UnaryExpression |
+    UpdateExpression | BinaryExpression | AssignmentExpression |
+    LogicalExpression | MemberExpression | ConditionalExpression |
+    CallExpression | NewExpression | SequenceExpression | TemplateLiteral |
+    TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier |
+    AwaitExpression | ImportExpression | ChainExpression;
+
+export interface BaseExpression extends BaseNode { }
+
+type ChainElement = SimpleCallExpression | MemberExpression;
+
+export interface ChainExpression extends BaseExpression {
+    type: "ChainExpression";
+    expression: ChainElement;
+}
+
+export interface ThisExpression extends BaseExpression {
+    type: "ThisExpression";
+}
+
+export interface ArrayExpression extends BaseExpression {
+    type: "ArrayExpression";
+    elements: Array<Expression | SpreadElement>;
+}
+
+export interface ObjectExpression extends BaseExpression {
+    type: "ObjectExpression";
+    properties: Array<Property | SpreadElement>;
+}
+
+export interface Property extends BaseNode {
+    type: "Property";
+    key: Expression;
+    value: Expression | Pattern; // Could be an AssignmentProperty
+    kind: "init" | "get" | "set";
+    method: boolean;
+    shorthand: boolean;
+    computed: boolean;
+}
+
+export interface FunctionExpression extends BaseFunction, BaseExpression {
+    id?: Identifier | null;
+    type: "FunctionExpression";
+    body: BlockStatement;
+}
+
+export interface SequenceExpression extends BaseExpression {
+    type: "SequenceExpression";
+    expressions: Array<Expression>;
+}
+
+export interface UnaryExpression extends BaseExpression {
+    type: "UnaryExpression";
+    operator: UnaryOperator;
+    prefix: true;
+    argument: Expression;
+}
+
+export interface BinaryExpression extends BaseExpression {
+    type: "BinaryExpression";
+    operator: BinaryOperator;
+    left: Expression;
+    right: Expression;
+}
+
+export interface AssignmentExpression extends BaseExpression {
+    type: "AssignmentExpression";
+    operator: AssignmentOperator;
+    left: Pattern | MemberExpression;
+    right: Expression;
+}
+
+export interface UpdateExpression extends BaseExpression {
+    type: "UpdateExpression";
+    operator: UpdateOperator;
+    argument: Expression;
+    prefix: boolean;
+}
+
+export interface LogicalExpression extends BaseExpression {
+    type: "LogicalExpression";
+    operator: LogicalOperator;
+    left: Expression;
+    right: Expression;
+}
+
+export interface ConditionalExpression extends BaseExpression {
+    type: "ConditionalExpression";
+    test: Expression;
+    alternate: Expression;
+    consequent: Expression;
+}
+
+interface BaseCallExpression extends BaseExpression {
+    callee: Expression | Super;
+    arguments: Array<Expression | SpreadElement>;
+}
+export type CallExpression = SimpleCallExpression | NewExpression;
+
+export interface SimpleCallExpression extends BaseCallExpression {
+    type: "CallExpression";
+    optional: boolean;
+}
+
+export interface NewExpression extends BaseCallExpression {
+    type: "NewExpression";
+}
+
+export interface MemberExpression extends BaseExpression, BasePattern {
+    type: "MemberExpression";
+    object: Expression | Super;
+    property: Expression;
+    computed: boolean;
+    optional: boolean;
+}
+
+export type Pattern =
+    Identifier | ObjectPattern | ArrayPattern | RestElement |
+    AssignmentPattern | MemberExpression;
+
+interface BasePattern extends BaseNode { }
+
+export interface SwitchCase extends BaseNode {
+    type: "SwitchCase";
+    test?: Expression | null;
+    consequent: Array<Statement>;
+}
+
+export interface CatchClause extends BaseNode {
+    type: "CatchClause";
+    param: Pattern | null;
+    body: BlockStatement;
+}
+
+export interface Identifier extends BaseNode, BaseExpression, BasePattern {
+    type: "Identifier";
+    name: string;
+}
+
+export type Literal = SimpleLiteral | RegExpLiteral;
+
+export interface SimpleLiteral extends BaseNode, BaseExpression {
+    type: "Literal";
+    value: string | boolean | number | null;
+    raw?: string;
+}
+
+export interface RegExpLiteral extends BaseNode, BaseExpression {
+    type: "Literal";
+    value?: RegExp | null;
+    regex: {
+        pattern: string;
+        flags: string;
+    };
+    raw?: string;
+}
+
+export type UnaryOperator =
+    "-" | "+" | "!" | "~" | "typeof" | "void" | "delete";
+
+export type BinaryOperator =
+    "==" | "!=" | "===" | "!==" | "<" | "<=" | ">" | ">=" | "<<" |
+    ">>" | ">>>" | "+" | "-" | "*" | "/" | "%" | "**" | "|" | "^" | "&" | "in" |
+    "instanceof";
+
+export type LogicalOperator = "||" | "&&" | "??";
+
+export type AssignmentOperator =
+    "=" | "+=" | "-=" | "*=" | "/=" | "%=" | "**=" | "<<=" | ">>=" | ">>>=" |
+    "|=" | "^=" | "&=";
+
+export type UpdateOperator = "++" | "--";
+
+export interface ForOfStatement extends BaseForXStatement {
+    type: "ForOfStatement";
+    await: boolean;
+}
+
+export interface Super extends BaseNode {
+    type: "Super";
+}
+
+export interface SpreadElement extends BaseNode {
+    type: "SpreadElement";
+    argument: Expression;
+}
+
+export interface ArrowFunctionExpression extends BaseExpression, BaseFunction {
+    type: "ArrowFunctionExpression";
+    expression: boolean;
+    body: BlockStatement | Expression;
+}
+
+export interface YieldExpression extends BaseExpression {
+    type: "YieldExpression";
+    argument?: Expression | null;
+    delegate: boolean;
+}
+
+export interface TemplateLiteral extends BaseExpression {
+    type: "TemplateLiteral";
+    quasis: Array<TemplateElement>;
+    expressions: Array<Expression>;
+}
+
+export interface TaggedTemplateExpression extends BaseExpression {
+    type: "TaggedTemplateExpression";
+    tag: Expression;
+    quasi: TemplateLiteral;
+}
+
+export interface TemplateElement extends BaseNode {
+    type: "TemplateElement";
+    tail: boolean;
+    value: {
+        cooked: string;
+        raw: string;
+    };
+}
+
+export interface AssignmentProperty extends Property {
+    value: Pattern;
+    kind: "init";
+    method: boolean; // false
+}
+
+export interface ObjectPattern extends BasePattern {
+    type: "ObjectPattern";
+    properties: Array<AssignmentProperty | RestElement>;
+}
+
+export interface ArrayPattern extends BasePattern {
+    type: "ArrayPattern";
+    elements: Array<Pattern>;
+}
+
+export interface RestElement extends BasePattern {
+    type: "RestElement";
+    argument: Pattern;
+}
+
+export interface AssignmentPattern extends BasePattern {
+    type: "AssignmentPattern";
+    left: Pattern;
+    right: Expression;
+}
+
+export type Class = ClassDeclaration | ClassExpression;
+interface BaseClass extends BaseNode {
+    superClass?: Expression | null;
+    body: ClassBody;
+}
+
+export interface ClassBody extends BaseNode {
+    type: "ClassBody";
+    body: Array<MethodDefinition>;
+}
+
+export interface MethodDefinition extends BaseNode {
+    type: "MethodDefinition";
+    key: Expression;
+    value: FunctionExpression;
+    kind: "constructor" | "method" | "get" | "set";
+    computed: boolean;
+    static: boolean;
+}
+
+export interface ClassDeclaration extends BaseClass, BaseDeclaration {
+    type: "ClassDeclaration";
+    /** It is null when a class declaration is a part of the `export default class` statement */
+    id: Identifier | null;
+}
+
+export interface ClassExpression extends BaseClass, BaseExpression {
+    type: "ClassExpression";
+    id?: Identifier | null;
+}
+
+export interface MetaProperty extends BaseExpression {
+    type: "MetaProperty";
+    meta: Identifier;
+    property: Identifier;
+}
+
+export type ModuleDeclaration =
+    ImportDeclaration | ExportNamedDeclaration | ExportDefaultDeclaration |
+    ExportAllDeclaration;
+interface BaseModuleDeclaration extends BaseNode { }
+
+export type ModuleSpecifier =
+    ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier |
+    ExportSpecifier;
+interface BaseModuleSpecifier extends BaseNode {
+    local: Identifier;
+}
+
+export interface ImportDeclaration extends BaseModuleDeclaration {
+    type: "ImportDeclaration";
+    specifiers: Array<ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier>;
+    source: Literal;
+}
+
+export interface ImportSpecifier extends BaseModuleSpecifier {
+    type: "ImportSpecifier";
+    imported: Identifier;
+}
+
+export interface ImportExpression extends BaseExpression {
+    type: "ImportExpression";
+    source: Expression;
+}
+
+export interface ImportDefaultSpecifier extends BaseModuleSpecifier {
+    type: "ImportDefaultSpecifier";
+}
+
+export interface ImportNamespaceSpecifier extends BaseModuleSpecifier {
+    type: "ImportNamespaceSpecifier";
+}
+
+export interface ExportNamedDeclaration extends BaseModuleDeclaration {
+    type: "ExportNamedDeclaration";
+    declaration?: Declaration | null;
+    specifiers: Array<ExportSpecifier>;
+    source?: Literal | null;
+}
+
+export interface ExportSpecifier extends BaseModuleSpecifier {
+    type: "ExportSpecifier";
+    exported: Identifier;
+}
+
+export interface ExportDefaultDeclaration extends BaseModuleDeclaration {
+    type: "ExportDefaultDeclaration";
+    declaration: Declaration | Expression;
+}
+
+export interface ExportAllDeclaration extends BaseModuleDeclaration {
+    type: "ExportAllDeclaration";
+    source: Literal;
+}
+
+export interface AwaitExpression extends BaseExpression {
+    type: "AwaitExpression";
+    argument: Expression;
+}
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/estree.kt b/kmath-ast/src/jsMain/kotlin/estree.kt
new file mode 100644
index 000000000..841688f6d
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/estree.kt
@@ -0,0 +1,647 @@
+@file:Suppress(
+    "INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS",
+    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "KDocMissingDocumentation", "ClassName",
+)
+
+import kotlin.js.RegExp
+
+external interface BaseNodeWithoutComments {
+    var type: String
+    var loc: SourceLocation?
+        get() = definedExternally
+        set(value) = definedExternally
+    var range: dynamic /* JsTuple<Number, Number> */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BaseNode : BaseNodeWithoutComments {
+    var leadingComments: Array<Comment>?
+        get() = definedExternally
+        set(value) = definedExternally
+    var trailingComments: Array<Comment>?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface Comment : BaseNodeWithoutComments {
+    override var type: String /* "Line" | "Block" */
+    var value: String
+}
+
+external interface SourceLocation {
+    var source: String?
+        get() = definedExternally
+        set(value) = definedExternally
+    var start: Position
+    var end: Position
+}
+
+external interface Position {
+    var line: Number
+    var column: Number
+}
+
+external interface Program : BaseNode {
+    override var type: String /* "Program" */
+    var sourceType: String /* "script" | "module" */
+    var body: Array<dynamic /* Directive | ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration | ImportDeclaration | ExportNamedDeclaration | ExportDefaultDeclaration | ExportAllDeclaration */>
+    var comments: Array<Comment>?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface Directive : BaseNode {
+    override var type: String /* "ExpressionStatement" */
+    var expression: dynamic /* SimpleLiteral | RegExpLiteral */
+        get() = definedExternally
+        set(value) = definedExternally
+    var directive: String
+}
+
+external interface BaseFunction : BaseNode {
+    var params: Array<dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */>
+    var generator: Boolean?
+        get() = definedExternally
+        set(value) = definedExternally
+    var async: Boolean?
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: dynamic /* BlockStatement | ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BaseStatement : BaseNode
+
+external interface EmptyStatement : BaseStatement {
+    override var type: String /* "EmptyStatement" */
+}
+
+external interface BlockStatement : BaseStatement {
+    override var type: String /* "BlockStatement" */
+    var body: Array<dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */>
+    var innerComments: Array<Comment>?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ExpressionStatement : BaseStatement {
+    override var type: String /* "ExpressionStatement" */
+    var expression: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface IfStatement : BaseStatement {
+    override var type: String /* "IfStatement" */
+    var test: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var consequent: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+    var alternate: dynamic /* ExpressionStatement? | BlockStatement? | EmptyStatement? | DebuggerStatement? | WithStatement? | ReturnStatement? | LabeledStatement? | BreakStatement? | ContinueStatement? | IfStatement? | SwitchStatement? | ThrowStatement? | TryStatement? | WhileStatement? | DoWhileStatement? | ForStatement? | ForInStatement? | ForOfStatement? | FunctionDeclaration? | VariableDeclaration? | ClassDeclaration? */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface LabeledStatement : BaseStatement {
+    override var type: String /* "LabeledStatement" */
+    var label: Identifier
+    var body: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BreakStatement : BaseStatement {
+    override var type: String /* "BreakStatement" */
+    var label: Identifier?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ContinueStatement : BaseStatement {
+    override var type: String /* "ContinueStatement" */
+    var label: Identifier?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface WithStatement : BaseStatement {
+    override var type: String /* "WithStatement" */
+    var `object`: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface SwitchStatement : BaseStatement {
+    override var type: String /* "SwitchStatement" */
+    var discriminant: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var cases: Array<SwitchCase>
+}
+
+external interface ReturnStatement : BaseStatement {
+    override var type: String /* "ReturnStatement" */
+    var argument: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ThrowStatement : BaseStatement {
+    override var type: String /* "ThrowStatement" */
+    var argument: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface TryStatement : BaseStatement {
+    override var type: String /* "TryStatement" */
+    var block: BlockStatement
+    var handler: CatchClause?
+        get() = definedExternally
+        set(value) = definedExternally
+    var finalizer: BlockStatement?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface WhileStatement : BaseStatement {
+    override var type: String /* "WhileStatement" */
+    var test: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface DoWhileStatement : BaseStatement {
+    override var type: String /* "DoWhileStatement" */
+    var body: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+    var test: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ForStatement : BaseStatement {
+    override var type: String /* "ForStatement" */
+    var init: dynamic /* VariableDeclaration? | ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var test: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var update: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BaseForXStatement : BaseStatement {
+    var left: dynamic /* VariableDeclaration | Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var right: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ForInStatement : BaseForXStatement {
+    override var type: String /* "ForInStatement" */
+}
+
+external interface DebuggerStatement : BaseStatement {
+    override var type: String /* "DebuggerStatement" */
+}
+
+external interface BaseDeclaration : BaseStatement
+
+external interface FunctionDeclaration : BaseFunction, BaseDeclaration {
+    override var type: String /* "FunctionDeclaration" */
+    var id: Identifier?
+    override var body: BlockStatement
+}
+
+external interface VariableDeclaration : BaseDeclaration {
+    override var type: String /* "VariableDeclaration" */
+    var declarations: Array<VariableDeclarator>
+    var kind: String /* "var" | "let" | "const" */
+}
+
+external interface VariableDeclarator : BaseNode {
+    override var type: String /* "VariableDeclarator" */
+    var id: dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var init: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BaseExpression : BaseNode
+
+external interface ChainExpression : BaseExpression {
+    override var type: String /* "ChainExpression" */
+    var expression: dynamic /* SimpleCallExpression | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ThisExpression : BaseExpression {
+    override var type: String /* "ThisExpression" */
+}
+
+external interface ArrayExpression : BaseExpression {
+    override var type: String /* "ArrayExpression" */
+    var elements: Array<dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression | SpreadElement */>
+}
+
+external interface ObjectExpression : BaseExpression {
+    override var type: String /* "ObjectExpression" */
+    var properties: Array<dynamic /* Property | SpreadElement */>
+}
+
+external interface Property : BaseNode {
+    override var type: String /* "Property" */
+    var key: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var value: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern */
+        get() = definedExternally
+        set(value) = definedExternally
+    var kind: String /* "init" | "get" | "set" */
+    var method: Boolean
+    var shorthand: Boolean
+    var computed: Boolean
+}
+
+external interface FunctionExpression : BaseFunction, BaseExpression {
+    var id: Identifier?
+        get() = definedExternally
+        set(value) = definedExternally
+    override var type: String /* "FunctionExpression" */
+    override var body: BlockStatement
+}
+
+external interface SequenceExpression : BaseExpression {
+    override var type: String /* "SequenceExpression" */
+    var expressions: Array<dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */>
+}
+
+external interface UnaryExpression : BaseExpression {
+    override var type: String /* "UnaryExpression" */
+    var operator: String /* "-" | "+" | "!" | "~" | "typeof" | "void" | "delete" */
+    var prefix: Boolean
+    var argument: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BinaryExpression : BaseExpression {
+    override var type: String /* "BinaryExpression" */
+    var operator: String /* "==" | "!=" | "===" | "!==" | "<" | "<=" | ">" | ">=" | "<<" | ">>" | ">>>" | "+" | "-" | "*" | "/" | "%" | "**" | "|" | "^" | "&" | "in" | "instanceof" */
+    var left: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var right: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface AssignmentExpression : BaseExpression {
+    override var type: String /* "AssignmentExpression" */
+    var operator: String /* "=" | "+=" | "-=" | "*=" | "/=" | "%=" | "**=" | "<<=" | ">>=" | ">>>=" | "|=" | "^=" | "&=" */
+    var left: dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var right: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface UpdateExpression : BaseExpression {
+    override var type: String /* "UpdateExpression" */
+    var operator: String /* "++" | "--" */
+    var argument: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var prefix: Boolean
+}
+
+external interface LogicalExpression : BaseExpression {
+    override var type: String /* "LogicalExpression" */
+    var operator: String /* "||" | "&&" | "??" */
+    var left: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var right: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ConditionalExpression : BaseExpression {
+    override var type: String /* "ConditionalExpression" */
+    var test: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var alternate: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var consequent: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BaseCallExpression : BaseExpression {
+    var callee: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression | Super */
+        get() = definedExternally
+        set(value) = definedExternally
+    var arguments: Array<dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression | SpreadElement */>
+}
+
+external interface SimpleCallExpression : BaseCallExpression {
+    override var type: String /* "CallExpression" */
+    var optional: Boolean
+}
+
+external interface NewExpression : BaseCallExpression {
+    override var type: String /* "NewExpression" */
+}
+
+external interface MemberExpression : BaseExpression, BasePattern {
+    override var type: String /* "MemberExpression" */
+    var `object`: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression | Super */
+        get() = definedExternally
+        set(value) = definedExternally
+    var property: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var computed: Boolean
+    var optional: Boolean
+}
+
+external interface BasePattern : BaseNode
+
+external interface SwitchCase : BaseNode {
+    override var type: String /* "SwitchCase" */
+    var test: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var consequent: Array<dynamic /* ExpressionStatement | BlockStatement | EmptyStatement | DebuggerStatement | WithStatement | ReturnStatement | LabeledStatement | BreakStatement | ContinueStatement | IfStatement | SwitchStatement | ThrowStatement | TryStatement | WhileStatement | DoWhileStatement | ForStatement | ForInStatement | ForOfStatement | FunctionDeclaration | VariableDeclaration | ClassDeclaration */>
+}
+
+external interface CatchClause : BaseNode {
+    override var type: String /* "CatchClause" */
+    var param: dynamic /* Identifier? | ObjectPattern? | ArrayPattern? | RestElement? | AssignmentPattern? | MemberExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: BlockStatement
+}
+
+external interface Identifier : BaseNode, BaseExpression, BasePattern {
+    override var type: String /* "Identifier" */
+    var name: String
+}
+
+external interface SimpleLiteral : BaseNode, BaseExpression {
+    override var type: String /* "Literal" */
+    var value: dynamic /* String? | Boolean? | Number? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var raw: String?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface `T$1` {
+    var pattern: String
+    var flags: String
+}
+
+external interface RegExpLiteral : BaseNode, BaseExpression {
+    override var type: String /* "Literal" */
+    var value: RegExp?
+        get() = definedExternally
+        set(value) = definedExternally
+    var regex: `T$1`
+    var raw: String?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ForOfStatement : BaseForXStatement {
+    override var type: String /* "ForOfStatement" */
+    var await: Boolean
+}
+
+external interface Super : BaseNode {
+    override var type: String /* "Super" */
+}
+
+external interface SpreadElement : BaseNode {
+    override var type: String /* "SpreadElement" */
+    var argument: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ArrowFunctionExpression : BaseExpression, BaseFunction {
+    override var type: String /* "ArrowFunctionExpression" */
+    var expression: Boolean
+    override var body: dynamic /* BlockStatement | ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface YieldExpression : BaseExpression {
+    override var type: String /* "YieldExpression" */
+    var argument: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var delegate: Boolean
+}
+
+external interface TemplateLiteral : BaseExpression {
+    override var type: String /* "TemplateLiteral" */
+    var quasis: Array<TemplateElement>
+    var expressions: Array<dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */>
+}
+
+external interface TaggedTemplateExpression : BaseExpression {
+    override var type: String /* "TaggedTemplateExpression" */
+    var tag: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var quasi: TemplateLiteral
+}
+
+external interface `T$2` {
+    var cooked: String
+    var raw: String
+}
+
+external interface TemplateElement : BaseNode {
+    override var type: String /* "TemplateElement" */
+    var tail: Boolean
+    var value: `T$2`
+}
+
+external interface AssignmentProperty : Property {
+    override var value: dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    override var kind: String /* "init" */
+    override var method: Boolean
+}
+
+external interface ObjectPattern : BasePattern {
+    override var type: String /* "ObjectPattern" */
+    var properties: Array<dynamic /* AssignmentProperty | RestElement */>
+}
+
+external interface ArrayPattern : BasePattern {
+    override var type: String /* "ArrayPattern" */
+    var elements: Array<dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */>
+}
+
+external interface RestElement : BasePattern {
+    override var type: String /* "RestElement" */
+    var argument: dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface AssignmentPattern : BasePattern {
+    override var type: String /* "AssignmentPattern" */
+    var left: dynamic /* Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var right: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface BaseClass : BaseNode {
+    var superClass: dynamic /* ThisExpression? | ArrayExpression? | ObjectExpression? | FunctionExpression? | ArrowFunctionExpression? | YieldExpression? | SimpleLiteral? | RegExpLiteral? | UnaryExpression? | UpdateExpression? | BinaryExpression? | AssignmentExpression? | LogicalExpression? | MemberExpression? | ConditionalExpression? | SimpleCallExpression? | NewExpression? | SequenceExpression? | TemplateLiteral? | TaggedTemplateExpression? | ClassExpression? | MetaProperty? | Identifier? | AwaitExpression? | ImportExpression? | ChainExpression? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var body: ClassBody
+}
+
+external interface ClassBody : BaseNode {
+    override var type: String /* "ClassBody" */
+    var body: Array<MethodDefinition>
+}
+
+external interface MethodDefinition : BaseNode {
+    override var type: String /* "MethodDefinition" */
+    var key: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+    var value: FunctionExpression
+    var kind: String /* "constructor" | "method" | "get" | "set" */
+    var computed: Boolean
+    var static: Boolean
+}
+
+external interface ClassDeclaration : BaseClass, BaseDeclaration {
+    override var type: String /* "ClassDeclaration" */
+    var id: Identifier?
+}
+
+external interface ClassExpression : BaseClass, BaseExpression {
+    override var type: String /* "ClassExpression" */
+    var id: Identifier?
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface MetaProperty : BaseExpression {
+    override var type: String /* "MetaProperty" */
+    var meta: Identifier
+    var property: Identifier
+}
+
+external interface BaseModuleDeclaration : BaseNode
+
+external interface BaseModuleSpecifier : BaseNode {
+    var local: Identifier
+}
+
+external interface ImportDeclaration : BaseModuleDeclaration {
+    override var type: String /* "ImportDeclaration" */
+    var specifiers: Array<dynamic /* ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier */>
+    var source: dynamic /* SimpleLiteral | RegExpLiteral */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ImportSpecifier : BaseModuleSpecifier {
+    override var type: String /* "ImportSpecifier" */
+    var imported: Identifier
+}
+
+external interface ImportExpression : BaseExpression {
+    override var type: String /* "ImportExpression" */
+    var source: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ImportDefaultSpecifier : BaseModuleSpecifier {
+    override var type: String /* "ImportDefaultSpecifier" */
+}
+
+external interface ImportNamespaceSpecifier : BaseModuleSpecifier {
+    override var type: String /* "ImportNamespaceSpecifier" */
+}
+
+external interface ExportNamedDeclaration : BaseModuleDeclaration {
+    override var type: String /* "ExportNamedDeclaration" */
+    var declaration: dynamic /* FunctionDeclaration? | VariableDeclaration? | ClassDeclaration? */
+        get() = definedExternally
+        set(value) = definedExternally
+    var specifiers: Array<ExportSpecifier>
+    var source: dynamic /* SimpleLiteral? | RegExpLiteral? */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ExportSpecifier : BaseModuleSpecifier {
+    override var type: String /* "ExportSpecifier" */
+    var exported: Identifier
+}
+
+external interface ExportDefaultDeclaration : BaseModuleDeclaration {
+    override var type: String /* "ExportDefaultDeclaration" */
+    var declaration: dynamic /* FunctionDeclaration | VariableDeclaration | ClassDeclaration | ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface ExportAllDeclaration : BaseModuleDeclaration {
+    override var type: String /* "ExportAllDeclaration" */
+    var source: dynamic /* SimpleLiteral | RegExpLiteral */
+        get() = definedExternally
+        set(value) = definedExternally
+}
+
+external interface AwaitExpression : BaseExpression {
+    override var type: String /* "AwaitExpression" */
+    var argument: dynamic /* ThisExpression | ArrayExpression | ObjectExpression | FunctionExpression | ArrowFunctionExpression | YieldExpression | SimpleLiteral | RegExpLiteral | UnaryExpression | UpdateExpression | BinaryExpression | AssignmentExpression | LogicalExpression | MemberExpression | ConditionalExpression | SimpleCallExpression | NewExpression | SequenceExpression | TemplateLiteral | TaggedTemplateExpression | ClassExpression | MetaProperty | Identifier | AwaitExpression | ImportExpression | ChainExpression */
+        get() = definedExternally
+        set(value) = definedExternally
+}
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/lib.es2015.iterable.kt b/kmath-ast/src/jsMain/kotlin/lib.es2015.iterable.kt
new file mode 100644
index 000000000..fd548b72b
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/lib.es2015.iterable.kt
@@ -0,0 +1,40 @@
+@file:Suppress("INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS")
+package tsstdlib
+
+import kotlin.js.*
+import org.khronos.webgl.*
+import org.w3c.dom.*
+import org.w3c.dom.events.*
+import org.w3c.dom.parsing.*
+import org.w3c.dom.svg.*
+import org.w3c.dom.url.*
+import org.w3c.fetch.*
+import org.w3c.files.*
+import org.w3c.notifications.*
+import org.w3c.performance.*
+import org.w3c.workers.*
+import org.w3c.xhr.*
+
+external interface IteratorYieldResult<TYield> {
+    var done: Boolean?
+        get() = definedExternally
+        set(value) = definedExternally
+    var value: TYield
+}
+
+external interface IteratorReturnResult<TReturn> {
+    var done: Boolean
+    var value: TReturn
+}
+
+external interface Iterator<T, TReturn, TNext> {
+    fun next(vararg args: Any /* JsTuple<> | JsTuple<TNext> */): dynamic /* IteratorYieldResult<T> | IteratorReturnResult<TReturn> */
+    val `return`: ((value: TReturn) -> dynamic)?
+    val `throw`: ((e: Any) -> dynamic)?
+}
+
+typealias Iterator__1<T> = Iterator<T, Any, Nothing?>
+
+external interface Iterable<T>
+
+external interface IterableIterator<T> : Iterator__1<T>
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/lib.es5.kt b/kmath-ast/src/jsMain/kotlin/lib.es5.kt
new file mode 100644
index 000000000..fe3847232
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/lib.es5.kt
@@ -0,0 +1,86 @@
+@file:Suppress(
+    "INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS",
+    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "DEPRECATION", "PackageDirectoryMismatch", "KDocMissingDocumentation",
+    "PropertyName"
+)
+
+package tsstdlib
+
+import kotlin.js.RegExp
+
+typealias RegExpMatchArray = Array<String>
+
+typealias RegExpExecArray = Array<String>
+
+external interface RegExpConstructor {
+    @nativeInvoke
+    operator fun invoke(pattern: RegExp, flags: String = definedExternally): RegExp
+
+    @nativeInvoke
+    operator fun invoke(pattern: RegExp): RegExp
+
+    @nativeInvoke
+    operator fun invoke(pattern: String, flags: String = definedExternally): RegExp
+
+    @nativeInvoke
+    operator fun invoke(pattern: String): RegExp
+    var prototype: RegExp
+    var `$1`: String
+    var `$2`: String
+    var `$3`: String
+    var `$4`: String
+    var `$5`: String
+    var `$6`: String
+    var `$7`: String
+    var `$8`: String
+    var `$9`: String
+    var lastMatch: String
+}
+
+external interface ConcatArray<T> {
+    var length: Number
+
+    @nativeGetter
+    operator fun get(n: Number): T?
+
+    @nativeSetter
+    operator fun set(n: Number, value: T)
+    fun join(separator: String = definedExternally): String
+    fun slice(start: Number = definedExternally, end: Number = definedExternally): Array<T>
+}
+
+external interface ArrayConstructor {
+    fun <T> from(iterable: Iterable<T>): Array<T>
+    fun <T> from(iterable: ArrayLike<T>): Array<T>
+    fun <T, U> from(iterable: Iterable<T>, mapfn: (v: T, k: Number) -> U, thisArg: Any = definedExternally): Array<U>
+    fun <T, U> from(iterable: Iterable<T>, mapfn: (v: T, k: Number) -> U): Array<U>
+    fun <T, U> from(iterable: ArrayLike<T>, mapfn: (v: T, k: Number) -> U, thisArg: Any = definedExternally): Array<U>
+    fun <T, U> from(iterable: ArrayLike<T>, mapfn: (v: T, k: Number) -> U): Array<U>
+    fun <T> of(vararg items: T): Array<T>
+
+    @nativeInvoke
+    operator fun invoke(arrayLength: Number = definedExternally): Array<Any>
+
+    @nativeInvoke
+    operator fun invoke(): Array<Any>
+
+    @nativeInvoke
+    operator fun <T> invoke(arrayLength: Number): Array<T>
+
+    @nativeInvoke
+    operator fun <T> invoke(vararg items: T): Array<T>
+    fun isArray(arg: Any): Boolean
+    var prototype: Array<Any>
+}
+
+external interface ArrayLike<T> {
+    var length: Number
+
+    @nativeGetter
+    operator fun get(n: Number): T?
+
+    @nativeSetter
+    operator fun set(n: Number, value: T)
+}
+
+typealias Extract<T, U> = Any
\ No newline at end of file
diff --git a/kmath-ast/src/jsMain/kotlin/stream.d.ts b/kmath-ast/src/jsMain/kotlin/stream.d.ts
new file mode 100644
index 000000000..f98fcab8c
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/stream.d.ts
@@ -0,0 +1,5 @@
+import {Emitter} from 'emitter'
+
+export class Stream extends Emitter {
+    pipe(dest: any, options: any): any
+}
diff --git a/kmath-ast/src/jsMain/kotlin/stream.kt b/kmath-ast/src/jsMain/kotlin/stream.kt
new file mode 100644
index 000000000..d76f43f71
--- /dev/null
+++ b/kmath-ast/src/jsMain/kotlin/stream.kt
@@ -0,0 +1,9 @@
+@file:Suppress(
+    "INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS",
+    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING", "SortModifiers",
+    "KDocMissingDocumentation"
+)
+
+external open class Stream : Emitter {
+    open fun pipe(dest: Any, options: Any): Any
+}
\ No newline at end of file