20848116288

Committed 09 Jan 2026 09:57AM UTC coverage: 78.307% (+0.2%) from 78.086%

Build # 20848116288

Build Type

push

github

Committed by

web-flow

Commit Message

feat: experimental recursive schema (#209)

* feat: recursive schemas

* wp

* wp

* feat: recursive typesafe implementation

* refactor: naming

* test: feat tests

* fix: rebase

* fix: thread safety

* docs: recursive

* docs: fixes

* fix: docs

Coverage Stats

25 of 27 new or added lines in 1 file covered. (92.59%)

2451 of 3130 relevant lines covered (78.31%)

64.59 hits per line

Source File
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92.59

/recursive.go

package zog

import (
        "sync"

        p "github.com/Oudwins/zog/internals"
        zss "github.com/Oudwins/zog/pkgs/zss/core"
        "github.com/Oudwins/zog/zconst"
)

type lazySchema struct {
        innerSchema ZogSchema
        fn          func() ZogSchema
        once        sync.Once
}

var _ ZogSchema = &lazySchema{}

func (l *lazySchema) get() ZogSchema {
        l.once.Do(func() {
                l.innerSchema = l.fn()
        })
        return l.innerSchema
}

func (l *lazySchema) process(ctx *p.SchemaCtx) {
        l.get().process(ctx)
}
func (l *lazySchema) validate(ctx *p.SchemaCtx) {
        l.get().validate(ctx)
}
func (l *lazySchema) getType() zconst.ZogType  { return l.get().getType() }
func (l *lazySchema) setCoercer(c CoercerFunc) { l.get().setCoercer(c) }
func (l *lazySchema) toZSS() *zss.ZSSSchema    { return l.get().toZSS() }

func lazy(fn func() ZogSchema) *lazySchema {
        return &lazySchema{fn: fn}
}

type RecursiveSchemaUpdater[T ZogSchema] func(self T) T
type RecursiveSchema[T ZogSchema] func(updaters ...RecursiveSchemaUpdater[T]) ZogSchema
type RecursiveSchemaBuilder[T ZogSchema] func(self RecursiveSchema[T]) T

// Experimental API.
// Do not use unless you know what you are doing.
func EXPERIMENTAL_RECURSIVE[T ZogSchema](build RecursiveSchemaBuilder[T]) T {
        var self T
        var lazyBuilder RecursiveSchema[T] = func(updaters ...RecursiveSchemaUpdater[T]) ZogSchema {
                return lazy(func() ZogSchema {
                        if len(updaters) > 0 {
                                return updaters[0](self)
                        }
                        return self
                })
        }
        self = build(lazyBuilder)
        return self
}

1	package zog
2
3	import (
4	"sync"
5
6	p "github.com/Oudwins/zog/internals"
7	zss "github.com/Oudwins/zog/pkgs/zss/core"
8	"github.com/Oudwins/zog/zconst"
9	)
10
11	type lazySchema struct {
12	innerSchema ZogSchema
13	fn func() ZogSchema
14	once sync.Once
15	}
16
17	var _ ZogSchema = &lazySchema{}
18
19	func (l *lazySchema) get() ZogSchema {	110✔
20	l.once.Do(func() {	131✔
21	l.innerSchema = l.fn()	21✔
22	})	21✔
23	return l.innerSchema	110✔
24	}
25
26	func (l lazySchema) process(ctx p.SchemaCtx) {	47✔
27	l.get().process(ctx)	47✔
28	}	47✔
29	func (l lazySchema) validate(ctx p.SchemaCtx) {	6✔
30	l.get().validate(ctx)	6✔
31	}	6✔
32	func (l *lazySchema) getType() zconst.ZogType { return l.get().getType() }	57✔
NEW 33	func (l *lazySchema) setCoercer(c CoercerFunc) { l.get().setCoercer(c) }	×
NEW 34	func (l lazySchema) toZSS() zss.ZSSSchema { return l.get().toZSS() }	×
35
36	func lazy(fn func() ZogSchema) *lazySchema {	23✔
37	return &lazySchema{fn: fn}	23✔
38	}	23✔
39
40	type RecursiveSchemaUpdater[T ZogSchema] func(self T) T
41	type RecursiveSchema[T ZogSchema] func(updaters ...RecursiveSchemaUpdater[T]) ZogSchema
42	type RecursiveSchemaBuilder[T ZogSchema] func(self RecursiveSchema[T]) T
43
44	// Experimental API.
45	// Do not use unless you know what you are doing.
46	func EXPERIMENTAL_RECURSIVE[T ZogSchema](build RecursiveSchemaBuilder[T]) T {	22✔
47	var self T	22✔
48	var lazyBuilder RecursiveSchema[T] = func(updaters ...RecursiveSchemaUpdater[T]) ZogSchema {	45✔
49	return lazy(func() ZogSchema {	44✔
50	if len(updaters) > 0 {	24✔
51	return updaters[0](self)	3✔
52	}	3✔
53	return self	18✔
54	})
55	}
56	self = build(lazyBuilder)	22✔
57	return self	22✔
58	}

Oudwins / zog / 20848116288

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