Crate swc_ecma_utils

Re-exports

pub use self::value::Type::Bool as BoolType;

pub use self::value::Type::Null as NullType;

pub use self::value::Type::Num as NumberType;

pub use self::value::Type::Obj as ObjectType;

pub use self::value::Type::Str as StringType;

pub use self::value::Type::Symbol as SymbolType;

pub use self::value::Type::Undefined as UndefinedType;

pub use self::value::Value::Known;

pub use self::value::Value::Unknown;

pub use self::Purity::MayBeImpure;

pub use self::Purity::Pure;

Modules

constructor

function

ident

number

parallel

Module for parallel processing

stack_size

str

var

Macros

member_expr

Creates a member expression.

private_ident

Shortcut for quote_ident!(span.apply_mark(Mark::fresh(Mark::root())), s)

quote_expr

quote_ident

As we have multiple identifier types, the expected usage is quote_ident!("foo").into().

quote_str

Structs

ArgumentsFinder

BindingCollector

BindingIdentifierVisitor

Finds all binding idents of variables.

DestructuringFinder

Finds all binding idents of variables.

DropSpan

ExprCtx

Hoister

IdentRefFinder

IdentRenamer

Replacer for [Id] => ]Id]

IdentReplacer

IdentUsageFinder

Finds usage of ident

LiteralVisitor

NodeIgnoringSpan

A newtype that will ignore Span while doing eq or hash.

RefRewriter

Replace foo with bar or bar.baz

Remapper

Variable remapper

RestPatVisitor

ThisVisitor

TopLevelAwait

Enums

Purity

Type

Type of value.

Value

Runtime value.

Traits

ExprExt

Extension methods for [Expr].

ExprFactory

Extension methods for [Expr].

FunctionFactory

IntoIndirectCall

IsDirective

IsEmpty

Merge

ModuleItemLike

QueryRef

StmtExt

StmtLike

StmtLikeInjector

Prepends statements after directive statements.

StmtOrModuleItem

Functions

alias_ident_for

Used to determine super_class_ident

alias_ident_for_simple_assign_tatget

Used to determine super_class_ident

alias_if_required

Returns (ident, aliased)

calc_literal_cost

class_has_side_effect

collect_decls

Collects binding identifiers.

collect_decls_with_ctxt

Collects binding identifiers, but only if it has a context which is identical to ctxt.

contains_arguments

contains_ident_ref

contains_this_expr

This does not recurse into a function if this is changed by it.

contains_top_level_await

default_constructor_with_span

super_call_span should be the span of the class definition Use value of [Class::span].

drop_span

extract_var_ids

Extracts hoisted variables

find_pat_ids

Finds all binding idents of node.

for_each_binding_ident

Finds all binding idents of node. Any nested identifiers in expressions are ignored.

has_rest_pat

is_literal

is_maybe_branch_directive

If the stmt is maybe a directive like "use strict";

is_rest_arguments

Check if e is ...arguments

is_simple_pure_expr

is_simple_pure_member_expr

is_valid_ident

is_valid_prop_ident

num_from_str

opt_chain_test

prepend_stmt

inject branch after directives

prepend_stmts

inject stmts after directives

prop_name_eq

prop_name_to_expr

prop_name_to_expr_value

Similar to prop_name_to_expr, but used for value position.

prop_name_to_member_prop

replace_ident

Replace all from in expr with to.

to_int32

Cast to javascript’s int32

Type Aliases

BoolValue