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feat(compiler): descriptions in generated JSON schemas #7190

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feat(compiler): descriptions in generated JSON schemas #7190

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bc99274
feat(compiler): descriptions in generated JSON schemas
Chriscbr Oct 1, 2024
281de2c
fallback if no description to the type's description
Chriscbr Oct 1, 2024
6d87c16
chore: self mutation (e2e-1of2.diff)
monadabot Oct 1, 2024
fd34d03
chore: self mutation (e2e-2of2.diff)
monadabot Oct 1, 2024
83be5fc
handle docstrings
Chriscbr Oct 2, 2024
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2 changes: 1 addition & 1 deletion packages/@winglang/wingc/src/jsify.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -380,7 +380,7 @@ impl<'a> JSifier<'a> {

code.line(format!(
"const {flat_name} = $stdlib.std.Struct._createJsonSchema({});",
schema_code.to_string().replace("\n", "").replace(" ", "")
schema_code.to_string()
));
}
code
Expand Down
123 changes: 82 additions & 41 deletions packages/@winglang/wingc/src/json_schema_generator.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
use crate::{
docs::Docs,
jsify::{codemaker::CodeMaker, JSifier},
type_check::{symbol_env::SymbolEnv, Struct, Type, UnsafeRef},
};
Expand All @@ -13,107 +14,147 @@ impl JsonSchemaGenerator {
fn get_struct_env_properties(&self, env: &SymbolEnv) -> CodeMaker {
let mut code = CodeMaker::default();
for (field_name, entry) in env.symbol_map.iter() {
code.line(format!(
"{}: {},",
let var_info = entry.kind.as_variable().unwrap();
let docs = var_info.docs.clone();
code.append(format!(
"{}:{},",
field_name,
self.get_struct_schema_field(&entry.kind.as_variable().unwrap().type_)
self.get_struct_schema_field(&entry.kind.as_variable().unwrap().type_, docs)
));
}
code
}

fn get_struct_schema_required_fields(&self, env: &SymbolEnv) -> CodeMaker {
let mut code = CodeMaker::default();
code.open("required: [");
code.append("required:[");
for (field_name, entry) in env.symbol_map.iter() {
if !matches!(*entry.kind.as_variable().unwrap().type_, Type::Optional(_)) {
code.line(format!("\"{}\",", field_name));
code.append(format!("\"{}\",", field_name));
}
}
code.close("]");
code.append("]");
code
}

fn get_struct_schema_field(&self, typ: &UnsafeRef<Type>) -> String {
fn get_struct_schema_field(&self, typ: &UnsafeRef<Type>, docs: Option<Docs>) -> String {
match **typ {
Type::String | Type::Number | Type::Boolean => {
format!("{{ type: \"{}\" }}", JSifier::jsify_type(typ).unwrap())
let jsified_type = JSifier::jsify_type(typ).unwrap();
match docs {
Some(docs) => format!(
"{{type:\"{}\",description:\"{}\"}}",
jsified_type,
docs.summary.unwrap_or_default()
),
None => format!("{{type:\"{}\"}}", jsified_type),
}
}
Type::Struct(ref s) => {
let mut code = CodeMaker::default();
code.open("{");
code.line("type: \"object\",");
code.open("properties: {");
code.add_code(self.get_struct_env_properties(&s.env));
code.close("},");
code.add_code(self.get_struct_schema_required_fields(&s.env));
code.close("}");
code.append("{");
code.append("type:\"object\",");
code.append("properties:{");
code.append(self.get_struct_env_properties(&s.env));
code.append("},");
code.append(self.get_struct_schema_required_fields(&s.env));
let docs = docs.unwrap_or(s.docs.clone());
code.append(format!(",description:\"{}\"", docs.summary.unwrap_or_default()));
code.append("}");
code.to_string()
}
Type::Array(ref t) | Type::Set(ref t) => {
let mut code = CodeMaker::default();
code.open("{");
code.append("{");

code.line("type: \"array\",");
code.append("type:\"array\"");

if matches!(**typ, Type::Set(_)) {
code.line("uniqueItems: true,");
code.append(",uniqueItems:true");
}

code.line(format!("items: {}", self.get_struct_schema_field(t)));
code.append(format!(",items:{}", self.get_struct_schema_field(t, None)));

if let Some(docs) = docs {
code.append(format!(",description:\"{}\"", docs.summary.unwrap_or_default()));
}

code.close("}");
code.append("}");
code.to_string()
}
Type::Map(ref t) => {
let mut code = CodeMaker::default();
code.open("{");
code.append("{");

code.line("type: \"object\",");
code.line(format!(
"patternProperties: {{ \".*\": {} }}",
self.get_struct_schema_field(t)
code.append("type:\"object\",");
code.append(format!(
"patternProperties: {{\".*\":{}}}",
self.get_struct_schema_field(t, None)
));

code.close("}");
if let Some(docs) = docs {
code.append(format!("description:\"{}\",", docs.summary.unwrap_or_default()));
}

code.append("}");
code.to_string()
}
Type::Optional(t) => self.get_struct_schema_field(&t),
Type::Json(_) => "{ type: [\"object\", \"string\", \"boolean\", \"number\", \"array\"] }".to_string(),
Type::Optional(ref t) => self.get_struct_schema_field(t, docs),
Type::Json(_) => match docs {
Some(docs) => format!(
"{{type:[\"object\",\"string\",\"boolean\",\"number\",\"array\"],description:\"{}\"}}",
docs.summary.unwrap_or_default()
),
None => "{type:[\"object\",\"string\",\"boolean\",\"number\",\"array\"]}".to_string(),
},
Type::Enum(ref enu) => {
let choices = enu
.values
.iter()
.map(|(s, _)| format!("\"{}\"", s))
.collect::<Vec<String>>()
.join(", ");
format!("{{ type: \"string\", enum: [{}] }}", choices)
let docs = docs.unwrap_or(enu.docs.clone());
format!(
"{{type:\"string\",enum:[{}],description:\"{}\"}}",
choices,
docs.summary.unwrap_or_default()
)
}
_ => "{ type: \"null\" }".to_string(),
_ => match docs {
Some(docs) => format!(
"{{type:\"null\",description:\"{}\" }}",
docs.summary.unwrap_or_default()
),
None => "{type:\"null\"}".to_string(),
},
}
}

pub fn create_from_struct(&self, struct_: &Struct) -> CodeMaker {
let mut code = CodeMaker::default();

code.open("{");
code.line(format!("$id: \"/{}\",", struct_.name));
code.line("type: \"object\",".to_string());
code.append("{");
code.append(format!("$id:\"/{}\",", struct_.name));
code.append("type:\"object\",".to_string());

code.open("properties: {");
code.append("properties:{");

code.add_code(self.get_struct_env_properties(&struct_.env));
code.append(self.get_struct_env_properties(&struct_.env));

//close properties
code.close("},");
code.append("},");

code.add_code(self.get_struct_schema_required_fields(&struct_.env));
code.append(self.get_struct_schema_required_fields(&struct_.env));

// close schema
code.close("}");
code.append(format!(
",description:\"{}\"",
struct_.docs.summary.as_ref().unwrap_or(&String::new())
));

let cleaned = code.to_string().replace("\n", "").replace(" ", "");
// close schema
code.append("}");

CodeMaker::one_line(cleaned)
code
}
}
30 changes: 29 additions & 1 deletion tests/valid/struct_from_json.test.w
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Expand Up @@ -263,9 +263,13 @@ bring "./subdir/structs_2.w" as otherExternalStructs;

enum Color { red, green, blue }

/// MyStruct docs
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Is it possible to support @doctags?

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Can you be more specific? I'm not sure what you have in mind

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I took a guess and added some code to the example to test the case when docstrings are multi-line or have doctags.

struct MyStruct {
/// m1 docs
m1: externalStructs.MyStruct;
/// m2 docs
m2: otherExternalStructs.MyStruct;
/// color docs
color: Color;
}

Expand All @@ -288,7 +292,31 @@ expect.equal(myStruct.color, Color.red);
let schema = MyStruct.schema();
schema.validate(jMyStruct); // Should not throw exception

let expectedSchema = {"$id":"/MyStruct","type":"object","properties":{"color":{"type":"string","enum":["red","green","blue"]},"m1":{"type":"object","properties":{"val":{"type":"number"}},"required":["val"]},"m2":{"type":"object","properties":{"val":{"type":"string"}},"required":["val"]}},"required":["color","m1","m2"]};
let expectedSchema = {
"$id": "/MyStruct",
"type": "object",
"properties": {
"color": {
"type": "string",
"enum": ["red", "green", "blue"],
"description": "color docs",
},
"m1": {
"type": "object",
"properties": { "val": { "type": "number", "description": "val docs" } },
"required": ["val"],
"description": "m1 docs",
},
"m2": {
"type": "object",
"properties": { "val": { "type": "string" } },
"required": ["val"],
"description": "m2 docs",
},
},
"required": ["color", "m1", "m2"],
"description": "MyStruct docs",
};

expect.equal(schema.asStr(), Json.stringify(expectedSchema));

Expand Down
2 changes: 2 additions & 0 deletions tests/valid/subdir/structs.w
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
/// MyStruct docs in subdir
pub struct MyStruct {
/// val docs
val: num;
}

Expand Down
2 changes: 1 addition & 1 deletion tools/hangar/__snapshots__/test_corpus/valid/optionals.test.w_compile_tf-aws.md
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Expand Up @@ -158,7 +158,7 @@ class $Root extends $stdlib.std.Resource {
$helpers.nodeof(this).root.$preflightTypesMap = { };
let $preflightTypesMap = {};
const cloud = $stdlib.cloud;
const Person = $stdlib.std.Struct._createJsonSchema({$id:"/Person",type:"object",properties:{age:{type:"number"},name:{type:"string"},},required:["age","name",]});
const Person = $stdlib.std.Struct._createJsonSchema({$id:"/Person",type:"object",properties:{age:{type:"number"},name:{type:"string"},},required:["age","name",],description:""});
$helpers.nodeof(this).root.$preflightTypesMap = $preflightTypesMap;
class Super extends $stdlib.std.Resource {
constructor($scope, $id, ) {
Expand Down
2 changes: 1 addition & 1 deletion ...shots__/test_corpus/valid/parameters/nested/parameters.test.w_compile_tf-aws.md
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Expand Up @@ -36,7 +36,7 @@ class $Root extends $stdlib.std.Resource {
super($scope, $id);
$helpers.nodeof(this).root.$preflightTypesMap = { };
let $preflightTypesMap = {};
const MyParams = $stdlib.std.Struct._createJsonSchema({$id:"/MyParams",type:"object",properties:{houses:{type:"array",items:{type:"object",properties:{address:{type:"string"},residents:{type:"array",items:{type:"object",properties:{age:{type:"number"},name:{type:"string"},},required:["age","name",]}},},required:["address","residents",]}},},required:["houses",]});
const MyParams = $stdlib.std.Struct._createJsonSchema({$id:"/MyParams",type:"object",properties:{houses:{type:"array",items:{type:"object",properties:{address:{type:"string"},residents:{type:"array",items:{type:"object",properties:{age:{type:"number"},name:{type:"string"},},required:["age","name",],description:""}},},required:["address","residents",],description:""}},},required:["houses",],description:""});
$helpers.nodeof(this).root.$preflightTypesMap = $preflightTypesMap;
const myParams = $macros.__Struct_fromJson(false, MyParams, ($helpers.nodeof(this).app.parameters.read({ schema: $macros.__Struct_schema(false, MyParams, ) })));
$helpers.assert($helpers.eq(myParams.houses.length, 2), "myParams.houses.length == 2");
Expand Down
2 changes: 1 addition & 1 deletion ...shots__/test_corpus/valid/parameters/simple/parameters.test.w_compile_tf-aws.md
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Expand Up @@ -36,7 +36,7 @@ class $Root extends $stdlib.std.Resource {
super($scope, $id);
$helpers.nodeof(this).root.$preflightTypesMap = { };
let $preflightTypesMap = {};
const MyParams = $stdlib.std.Struct._createJsonSchema({$id:"/MyParams",type:"object",properties:{foo:{type:"string"},meaningOfLife:{type:"number"},},required:["meaningOfLife",]});
const MyParams = $stdlib.std.Struct._createJsonSchema({$id:"/MyParams",type:"object",properties:{foo:{type:"string"},meaningOfLife:{type:"number"},},required:["meaningOfLife",],description:""});
$helpers.nodeof(this).root.$preflightTypesMap = $preflightTypesMap;
const myParams = $macros.__Struct_fromJson(false, MyParams, ($helpers.nodeof(this).app.parameters.read({ schema: $macros.__Struct_schema(false, MyParams, ) })));
{
Expand Down
18 changes: 9 additions & 9 deletions ...angar/__snapshots__/test_corpus/valid/struct_from_json.test.w_compile_tf-aws.md
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Expand Up @@ -197,13 +197,13 @@ class $Root extends $stdlib.std.Resource {
const expect = $stdlib.expect;
const externalStructs = $helpers.bringJs(`${__dirname}/preflight.structs-1.cjs`, $preflightTypesMap);
const otherExternalStructs = $helpers.bringJs(`${__dirname}/preflight.structs2-2.cjs`, $preflightTypesMap);
const Bar = $stdlib.std.Struct._createJsonSchema({$id:"/Bar",type:"object",properties:{b:{type:"number"},f:{type:"string"},},required:["b","f",]});
const Foo = $stdlib.std.Struct._createJsonSchema({$id:"/Foo",type:"object",properties:{f:{type:"string"},},required:["f",]});
const Foosible = $stdlib.std.Struct._createJsonSchema({$id:"/Foosible",type:"object",properties:{f:{type:"string"},},required:[]});
const MyStruct = $stdlib.std.Struct._createJsonSchema({$id:"/MyStruct",type:"object",properties:{color:{type:"string",enum:["red","green","blue"]},m1:{type:"object",properties:{val:{type:"number"},},required:["val",]},m2:{type:"object",properties:{val:{type:"string"},},required:["val",]},},required:["color","m1","m2",]});
const Student = $stdlib.std.Struct._createJsonSchema({$id:"/Student",type:"object",properties:{additionalData:{type:["object","string","boolean","number","array"]},advisor:{type:"object",properties:{dob:{type:"object",properties:{day:{type:"number"},month:{type:"number"},year:{type:"number"},},required:["day","month","year",]},employeeID:{type:"string"},firstName:{type:"string"},lastName:{type:"string"},},required:["dob","employeeID","firstName","lastName",]},coursesTaken:{type:"array",items:{type:"object",properties:{course:{type:"object",properties:{credits:{type:"number"},name:{type:"string"},},required:["credits","name",]},dateTaken:{type:"object",properties:{day:{type:"number"},month:{type:"number"},year:{type:"number"},},required:["day","month","year",]},grade:{type:"string"},},required:["course","dateTaken","grade",]}},dob:{type:"object",properties:{day:{type:"number"},month:{type:"number"},year:{type:"number"},},required:["day","month","year",]},enrolled:{type:"boolean"},enrolledCourses:{type:"array",uniqueItems:true,items:{type:"object",properties:{credits:{type:"number"},name:{type:"string"},},required:["credits","name",]}},firstName:{type:"string"},lastName:{type:"string"},schoolId:{type:"string"},},required:["dob","enrolled","firstName","lastName","schoolId",]});
const cloud_CounterProps = $stdlib.std.Struct._createJsonSchema({$id:"/CounterProps",type:"object",properties:{initial:{type:"number"},},required:[]});
const externalStructs_MyOtherStruct = $stdlib.std.Struct._createJsonSchema({$id:"/MyOtherStruct",type:"object",properties:{data:{type:"object",properties:{val:{type:"number"},},required:["val",]},},required:["data",]});
const Bar = $stdlib.std.Struct._createJsonSchema({$id:"/Bar",type:"object",properties:{b:{type:"number"},f:{type:"string"},},required:["b","f",],description:""});
const Foo = $stdlib.std.Struct._createJsonSchema({$id:"/Foo",type:"object",properties:{f:{type:"string"},},required:["f",],description:""});
const Foosible = $stdlib.std.Struct._createJsonSchema({$id:"/Foosible",type:"object",properties:{f:{type:"string"},},required:[],description:""});
const MyStruct = $stdlib.std.Struct._createJsonSchema({$id:"/MyStruct",type:"object",properties:{color:{type:"string",enum:["red", "green", "blue"],description:"color docs"},m1:{type:"object",properties:{val:{type:"number",description:"val docs"},},required:["val",],description:"m1 docs"},m2:{type:"object",properties:{val:{type:"string"},},required:["val",],description:"m2 docs"},},required:["color","m1","m2",],description:"MyStruct docs"});
const Student = $stdlib.std.Struct._createJsonSchema({$id:"/Student",type:"object",properties:{additionalData:{type:["object","string","boolean","number","array"]},advisor:{type:"object",properties:{dob:{type:"object",properties:{day:{type:"number"},month:{type:"number"},year:{type:"number"},},required:["day","month","year",],description:""},employeeID:{type:"string"},firstName:{type:"string"},lastName:{type:"string"},},required:["dob","employeeID","firstName","lastName",],description:""},coursesTaken:{type:"array",items:{type:"object",properties:{course:{type:"object",properties:{credits:{type:"number"},name:{type:"string"},},required:["credits","name",],description:""},dateTaken:{type:"object",properties:{day:{type:"number"},month:{type:"number"},year:{type:"number"},},required:["day","month","year",],description:""},grade:{type:"string"},},required:["course","dateTaken","grade",],description:""}},dob:{type:"object",properties:{day:{type:"number"},month:{type:"number"},year:{type:"number"},},required:["day","month","year",],description:""},enrolled:{type:"boolean"},enrolledCourses:{type:"array",uniqueItems:true,items:{type:"object",properties:{credits:{type:"number"},name:{type:"string"},},required:["credits","name",],description:""}},firstName:{type:"string"},lastName:{type:"string"},schoolId:{type:"string"},},required:["dob","enrolled","firstName","lastName","schoolId",],description:""});
const cloud_CounterProps = $stdlib.std.Struct._createJsonSchema({$id:"/CounterProps",type:"object",properties:{initial:{type:"number",description:"The initial value of the counter."},},required:[],description:"Options for `Counter`."});
const externalStructs_MyOtherStruct = $stdlib.std.Struct._createJsonSchema({$id:"/MyOtherStruct",type:"object",properties:{data:{type:"object",properties:{val:{type:"number",description:"val docs"},},required:["val",],description:"MyStruct docs in subdir"},},required:["data",],description:""});
$helpers.nodeof(this).root.$preflightTypesMap = $preflightTypesMap;
const Color =
(function (tmp) {
Expand Down Expand Up @@ -478,7 +478,7 @@ class $Root extends $stdlib.std.Resource {
(expect.Util.equal(myStruct.color, Color.red));
const schema = $macros.__Struct_schema(false, MyStruct, );
(schema.validate(jMyStruct));
const expectedSchema = ({"$id": "/MyStruct", "type": "object", "properties": ({"color": ({"type": "string", "enum": ["red", "green", "blue"]}), "m1": ({"type": "object", "properties": ({"val": ({"type": "number"})}), "required": ["val"]}), "m2": ({"type": "object", "properties": ({"val": ({"type": "string"})}), "required": ["val"]})}), "required": ["color", "m1", "m2"]});
const expectedSchema = ({"$id": "/MyStruct", "type": "object", "properties": ({"color": ({"type": "string", "enum": ["red", "green", "blue"], "description": "color docs"}), "m1": ({"type": "object", "properties": ({"val": ({"type": "number", "description": "val docs"})}), "required": ["val"], "description": "m1 docs"}), "m2": ({"type": "object", "properties": ({"val": ({"type": "string"})}), "required": ["val"], "description": "m2 docs"})}), "required": ["color", "m1", "m2"], "description": "MyStruct docs"});
(expect.Util.equal((schema.asStr()), $macros.__Json_stringify(false, std.Json, expectedSchema)));
globalThis.$ClassFactory.new("@winglang/sdk.std.Test", std.Test, this, "test:inflight schema usage", new $Closure4(this, "$Closure4"));
(std.String.fromJson(10, { unsafe: true }));
Expand Down Expand Up @@ -518,7 +518,7 @@ const $helpers = $stdlib.helpers;
const $extern = $helpers.createExternRequire(__dirname);
const $types = require("./types.cjs");
let $preflightTypesMap = {};
const SomeStruct = $stdlib.std.Struct._createJsonSchema({$id:"/SomeStruct",type:"object",properties:{foo:{type:"string"},},required:["foo",]});
const SomeStruct = $stdlib.std.Struct._createJsonSchema({$id:"/SomeStruct",type:"object",properties:{foo:{type:"string"},},required:["foo",],description:""});
class UsesStructInImportedFile extends $stdlib.std.Resource {
constructor($scope, $id, ) {
super($scope, $id);
Expand Down