use deno_ast::ParsedSource;
use deno_ast::SourceRangedForSpanned;
use serde::Deserialize;
use serde::Serialize;
use crate::params::ts_fn_param_to_param_def;
use crate::ts_type::CallSignatureDef;
use crate::ts_type::ConstructorDef;
use crate::ts_type::IndexSignatureDef;
use crate::ts_type::MethodDef;
use crate::ts_type::PropertyDef;
use crate::ts_type::TsTypeDef;
use crate::ts_type_param::maybe_type_param_decl_to_type_param_defs;
use crate::ts_type_param::TsTypeParamDef;
use crate::util::swc::get_location;
use crate::util::swc::js_doc_for_range;
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct InterfaceDef {
#[serde(skip_serializing_if = "Option::is_none", default)]
pub def_name: Option<String>,
pub extends: Vec<TsTypeDef>,
#[serde(default)]
pub constructors: Vec<ConstructorDef>,
pub methods: Vec<MethodDef>,
pub properties: Vec<PropertyDef>,
pub call_signatures: Vec<CallSignatureDef>,
pub index_signatures: Vec<IndexSignatureDef>,
pub type_params: Vec<TsTypeParamDef>,
}
pub fn expr_to_name(expr: &deno_ast::swc::ast::Expr) -> String {
use deno_ast::swc::ast::Expr::*;
use deno_ast::swc::ast::MemberProp;
match expr {
Ident(ident) => ident.sym.to_string(),
Member(member_expr) => {
let left = expr_to_name(&member_expr.obj);
let right = match &member_expr.prop {
MemberProp::Ident(ident) => format!(".{}", ident.sym),
MemberProp::Computed(_) | MemberProp::PrivateName(_) => {
"[UNSUPPORTED]".to_string()
}
};
format!("[{}{}]", left, right)
}
Lit(lit) => {
use deno_ast::swc::ast::BigInt;
use deno_ast::swc::ast::Bool;
use deno_ast::swc::ast::JSXText;
use deno_ast::swc::ast::Lit;
use deno_ast::swc::ast::Number;
use deno_ast::swc::ast::Regex;
use deno_ast::swc::ast::Str;
match lit {
Lit::Str(Str { ref value, .. }) => value.to_string(),
Lit::Bool(Bool { ref value, .. }) => {
let str_val = if *value { "true" } else { "false" };
str_val.to_string()
}
Lit::Null(_) => "null".to_string(),
Lit::Num(Number { ref value, .. }) => value.to_string(),
Lit::BigInt(BigInt { ref value, .. }) => value.to_string(),
Lit::Regex(Regex { ref exp, .. }) => format!("/{}/", exp),
Lit::JSXText(JSXText { ref raw, .. }) => raw.to_string(),
}
}
_ => "[UNSUPPORTED]".to_string(),
}
}
pub fn get_doc_for_ts_interface_decl(
parsed_source: &ParsedSource,
interface_decl: &deno_ast::swc::ast::TsInterfaceDecl,
def_name: Option<String>,
) -> (String, InterfaceDef) {
let interface_name = interface_decl.id.sym.to_string();
let mut constructors = vec![];
let mut methods = vec![];
let mut properties = vec![];
let mut call_signatures = vec![];
let mut index_signatures = vec![];
for type_element in &interface_decl.body.body {
use deno_ast::swc::ast::TsTypeElement::*;
match &type_element {
TsMethodSignature(ts_method_sig) => {
if let Some(method_js_doc) =
js_doc_for_range(parsed_source, &ts_method_sig.range())
{
let mut params = vec![];
for param in &ts_method_sig.params {
let param_def = ts_fn_param_to_param_def(parsed_source, param);
params.push(param_def);
}
let name = expr_to_name(&ts_method_sig.key);
let maybe_return_type = ts_method_sig
.type_ann
.as_deref()
.map(|type_ann| TsTypeDef::new(parsed_source, &type_ann.type_ann));
let type_params = maybe_type_param_decl_to_type_param_defs(
parsed_source,
ts_method_sig.type_params.as_deref(),
);
let method_def = MethodDef {
name,
kind: deno_ast::swc::ast::MethodKind::Method,
js_doc: method_js_doc,
location: get_location(parsed_source, ts_method_sig.start()),
computed: ts_method_sig.computed,
optional: ts_method_sig.optional,
params,
return_type: maybe_return_type,
type_params,
};
methods.push(method_def);
}
}
TsGetterSignature(ts_getter_sig) => {
if let Some(method_js_doc) =
js_doc_for_range(parsed_source, &ts_getter_sig.range())
{
let name = expr_to_name(&ts_getter_sig.key);
let maybe_return_type = ts_getter_sig
.type_ann
.as_deref()
.map(|type_ann| TsTypeDef::new(parsed_source, &type_ann.type_ann));
let method_def = MethodDef {
name,
kind: deno_ast::swc::ast::MethodKind::Getter,
js_doc: method_js_doc,
location: get_location(parsed_source, ts_getter_sig.start()),
computed: ts_getter_sig.computed,
optional: ts_getter_sig.optional,
params: vec![],
return_type: maybe_return_type,
type_params: vec![],
};
methods.push(method_def);
}
}
TsSetterSignature(ts_setter_sig) => {
if let Some(method_js_doc) =
js_doc_for_range(parsed_source, &ts_setter_sig.range())
{
let name = expr_to_name(&ts_setter_sig.key);
let param_def =
ts_fn_param_to_param_def(parsed_source, &ts_setter_sig.param);
let params = vec![param_def];
let method_def = MethodDef {
name,
kind: deno_ast::swc::ast::MethodKind::Setter,
js_doc: method_js_doc,
location: get_location(parsed_source, ts_setter_sig.start()),
computed: ts_setter_sig.computed,
optional: ts_setter_sig.optional,
params,
return_type: None,
type_params: vec![],
};
methods.push(method_def);
}
}
TsPropertySignature(ts_prop_sig) => {
if let Some(prop_js_doc) =
js_doc_for_range(parsed_source, &ts_prop_sig.range())
{
let name = expr_to_name(&ts_prop_sig.key);
let mut params = vec![];
for param in &ts_prop_sig.params {
let param_def = ts_fn_param_to_param_def(parsed_source, param);
params.push(param_def);
}
let ts_type = ts_prop_sig
.type_ann
.as_deref()
.map(|type_ann| TsTypeDef::new(parsed_source, &type_ann.type_ann));
let type_params = maybe_type_param_decl_to_type_param_defs(
parsed_source,
ts_prop_sig.type_params.as_deref(),
);
let prop_def = PropertyDef {
name,
js_doc: prop_js_doc,
location: get_location(parsed_source, ts_prop_sig.start()),
params,
ts_type,
readonly: ts_prop_sig.readonly,
computed: ts_prop_sig.computed,
optional: ts_prop_sig.optional,
type_params,
};
properties.push(prop_def);
}
}
TsCallSignatureDecl(ts_call_sig) => {
if let Some(call_sig_js_doc) =
js_doc_for_range(parsed_source, &ts_call_sig.range())
{
let mut params = vec![];
for param in &ts_call_sig.params {
let param_def = ts_fn_param_to_param_def(parsed_source, param);
params.push(param_def);
}
let ts_type = ts_call_sig
.type_ann
.as_deref()
.map(|type_ann| TsTypeDef::new(parsed_source, &type_ann.type_ann));
let type_params = maybe_type_param_decl_to_type_param_defs(
parsed_source,
ts_call_sig.type_params.as_deref(),
);
let call_sig_def = CallSignatureDef {
js_doc: call_sig_js_doc,
location: get_location(parsed_source, ts_call_sig.start()),
params,
ts_type,
type_params,
};
call_signatures.push(call_sig_def);
}
}
TsIndexSignature(ts_index_sig) => {
if let Some(js_doc) =
js_doc_for_range(parsed_source, &ts_index_sig.range())
{
let mut params = vec![];
for param in &ts_index_sig.params {
let param_def = ts_fn_param_to_param_def(parsed_source, param);
params.push(param_def);
}
let ts_type = ts_index_sig
.type_ann
.as_ref()
.map(|rt| TsTypeDef::new(parsed_source, &rt.type_ann));
let index_sig_def = IndexSignatureDef {
location: get_location(parsed_source, ts_index_sig.start()),
js_doc,
readonly: ts_index_sig.readonly,
params,
ts_type,
};
index_signatures.push(index_sig_def);
}
}
TsConstructSignatureDecl(ts_construct_sig) => {
if let Some(js_doc) =
js_doc_for_range(parsed_source, &ts_construct_sig.range())
{
let mut params = vec![];
for param in &ts_construct_sig.params {
let param_def = ts_fn_param_to_param_def(parsed_source, param);
params.push(param_def);
}
let type_params = maybe_type_param_decl_to_type_param_defs(
parsed_source,
ts_construct_sig.type_params.as_deref(),
);
let maybe_return_type = ts_construct_sig
.type_ann
.as_ref()
.map(|rt| TsTypeDef::new(parsed_source, &rt.type_ann));
let construct_sig_def = ConstructorDef {
js_doc,
location: get_location(parsed_source, ts_construct_sig.start()),
params,
return_type: maybe_return_type,
type_params,
};
constructors.push(construct_sig_def);
}
}
}
}
let type_params = maybe_type_param_decl_to_type_param_defs(
parsed_source,
interface_decl.type_params.as_deref(),
);
let extends = interface_decl
.extends
.iter()
.map(|expr| TsTypeDef::ts_expr_with_type_args(parsed_source, expr))
.collect::<Vec<TsTypeDef>>();
let interface_def = InterfaceDef {
def_name,
extends,
constructors,
methods,
properties,
call_signatures,
index_signatures,
type_params,
};
(interface_name, interface_def)
}