fix(types): make properties optional

rollup.config.js

@@ -12,16 +12,10 @@ const base = {
     }),
   ],
   external: [
-    'lodash/has',
-    'lodash/cloneDeepWith',
-    'lodash/toArray',
-    'lodash/mapKeys',
-    'lodash/mapValues',
     'lodash/snakeCase',
     'lodash/camelCase',
     'toposort',
     'fn-name',
-    'synchronous-promise',
     'property-expr',
   ],
 };

src/Condition.ts

@@ -1,4 +1,3 @@
-import has from 'lodash/has';
 import isSchema from './util/isSchema';
 import Reference from './Reference';
 import { SchemaLike } from './types';
@@ -37,7 +36,7 @@ class Condition<T extends SchemaLike = SchemaLike> {
       return;
     }
 
-    if (!has(options, 'is'))
+    if (!('is' in options))
       throw new TypeError('`is:` is required for `when()` conditions');
 
     if (!options.then && !options.otherwise)

src/globals.d.ts

@@ -1,11 +1 @@
-declare module 'lodash/has' {
-  // eslint-disable-next-line no-inner-declarations
-  function has<T extends {}, Key extends PropertyKey>(
-    obj: T,
-    prop: Key,
-  ): obj is T & Record<Key, unknown> {
-    return has(obj, prop);
-  }
 
-  export default has;
-}

src/locale.ts

@@ -114,7 +114,7 @@ export let array: Required<ArrayLocale> = {
   length: '${path} must be have ${length} items',
 };
 
-export default Object.assign(Object.create(null), {
+export default Object.assign(Object.create(null) as {}, {
   mixed,
   string,
   number,

src/object.ts

@@ -1,8 +1,5 @@
-import has from 'lodash/has';
 import snakeCase from 'lodash/snakeCase';
 import camelCase from 'lodash/camelCase';
-import mapKeys from 'lodash/mapKeys';
-import mapValues from 'lodash/mapValues';
 import { getter } from 'property-expr';
 
 import { object as locale } from './locale';
@@ -26,6 +23,7 @@ import type {
   NotNull,
   ToggleDefault,
   _,
+  MakePartial,
 } from './util/types';
 import type Reference from './Reference';
 import Lazy from './Lazy';
@@ -73,13 +71,11 @@ export type TypeOfShape<Shape extends ObjectShape> = {
 //     : never
 //   : K;
 
-export type AssertsShape<S extends ObjectShape> = {
-  [K in keyof S]: S[K] extends TypedSchema
-    ? S[K]['__outputType']
-    : S[K] extends Reference
-    ? unknown
-    : never;
-};
+export type AssertsShape<S extends ObjectShape> = MakePartial<
+  {
+    [K in keyof S]: FieldType<S[K], '__outputType'>;
+  }
+>;
 
 export type PartialSchema<S extends ObjectShape> = {
   [K in keyof S]: S[K] extends BaseSchema ? ReturnType<S[K]['optional']> : S[K];
@@ -176,7 +172,7 @@ export default class ObjectSchema<
     let isChanged = false;
     for (const prop of props) {
       let field = fields[prop];
-      let exists = has(value!, prop);
+      let exists = prop in value!;
 
       if (field) {
         let fieldValue;
@@ -446,9 +442,9 @@ export default class ObjectSchema<
     let fromGetter = getter(from, true);
 
     return this.transform((obj) => {
-      if (obj == null) return obj;
+      if (!obj) return obj;
       let newObj = obj;
-      if (has(obj, from)) {
+      if (from in obj) {
         newObj = { ...obj };
         if (!alias) delete newObj[from];
 
@@ -490,7 +486,12 @@ export default class ObjectSchema<
   }
 
   transformKeys(fn: (key: string) => string) {
-    return this.transform((obj) => obj && mapKeys(obj, (__, key) => fn(key)));
+    return this.transform((obj) => {
+      if (!obj) return obj;
+      const result: AnyObject = {};
+      for (const key of Object.keys(obj)) result[fn(key)] = obj[key];
+      return result;
+    });
   }
 
   camelCase() {
@@ -507,7 +508,8 @@ export default class ObjectSchema<
 
   describe(options?: ResolveOptions<TConfig['context']>) {
     let base = super.describe(options) as SchemaObjectDescription;
-    base.fields = mapValues(this.fields, (value, key) => {
+    base.fields = {};
+    for (const [key, value] of Object.entries(this.fields)) {
       let innerOptions = options;
       if (innerOptions?.value) {
         innerOptions = {
@@ -516,9 +518,8 @@ export default class ObjectSchema<
           value: innerOptions.value[key],
         };
       }
-
-      return value.describe(innerOptions);
-    });
+      base.fields[key] = value.describe(innerOptions);
+    }
     return base;
   }
 }

src/schema.ts

@@ -168,7 +168,6 @@ export default abstract class BaseSchema<
       recursive: true,
       nullable: false,
       optional: true,
-      // presence: 'nonnullable',
       ...options?.spec,
     };
 
@@ -524,6 +523,7 @@ export default abstract class BaseSchema<
     if (defaultValue == null) {
       return defaultValue;
     }
+
     return typeof defaultValue === 'function'
       ? defaultValue.call(this)
       : cloneDeep(defaultValue);

src/setLocale.ts

@@ -0,0 +1,17 @@
+import locale from './locale';
+
+type DeepPartial<T> = {
+  [P in keyof T]?: DeepPartial<T[P]>;
+};
+
+type Locale = DeepPartial<typeof locale>;
+
+export default function setLocale(custom: Locale) {
+  Object.keys(custom).forEach((type) => {
+    // @ts-ignore
+    Object.keys(custom[type]!).forEach((method) => {
+      // @ts-ignore
+      locale[type][method] = custom[type][method];
+    });
+  });
+}

src/util/createValidation.ts

@@ -1,4 +1,3 @@
-import mapValues from 'lodash/mapValues';
 import ValidationError from '../ValidationError';
 import Ref from '../Reference';
 import {
@@ -81,17 +80,18 @@ export default function createValidation(config: {
     }
 
     function createError(overrides: CreateErrorOptions = {}) {
-      const nextParams = mapValues(
-        {
-          value,
-          originalValue,
-          label,
-          path: overrides.path || path,
-          ...params,
-          ...overrides.params,
-        },
-        resolve,
-      );
+      const nextParams = {
+        value,
+        originalValue,
+        label,
+        path: overrides.path || path,
+        ...params,
+        ...overrides.params,
+      };
+
+      type Keys = (keyof typeof nextParams)[];
+      for (const key of Object.keys(nextParams) as Keys)
+        nextParams[key] = resolve(nextParams[key]);
 
       const error = new ValidationError(
         ValidationError.formatError(overrides.message || message, nextParams),

src/util/sortFields.ts

@@ -1,4 +1,3 @@
-import has from 'lodash/has';
 // @ts-expect-error
 import toposort from 'toposort';
 import { split } from 'property-expr';
@@ -22,16 +21,15 @@ export default function sortFields(
     if (!~excludes.indexOf(`${key}-${node}`)) edges.push([key, node]);
   }
 
-  for (const key in fields)
-    if (has(fields, key)) {
-      let value = fields[key];
+  for (const key of Object.keys(fields)) {
+    let value = fields[key];
 
-      if (!~nodes.indexOf(key)) nodes.push(key);
+    if (!~nodes.indexOf(key)) nodes.push(key);
 
-      if (Ref.isRef(value) && value.isSibling) addNode(value.path, key);
-      else if (isSchema(value) && 'deps' in value)
-        value.deps.forEach((path) => addNode(path, key));
-    }
+    if (Ref.isRef(value) && value.isSibling) addNode(value.path, key);
+    else if (isSchema(value) && 'deps' in value)
+      value.deps.forEach((path) => addNode(path, key));
+  }
 
   return toposort.array(nodes, edges).reverse() as string[];
 }

src/util/types.ts

@@ -20,6 +20,17 @@ export type If<T, Y, N> = Exclude<T, undefined> extends never ? Y : N;
 /* this seems to force TS to show the full type instead of all the wrapped generics */
 export type _<T> = T extends {} ? { [k in keyof T]: _<T[k]> } : T;
 
+type OptionalKeys<T extends {}> = {
+  [k in keyof T]: undefined extends T[k] ? k : never;
+}[keyof T];
+
+type RequiredKeys<T extends object> = Exclude<keyof T, OptionalKeys<T>>;
+
+export type MakePartial<T extends object> = {
+  [k in OptionalKeys<T>]?: T[k];
+} &
+  { [k in RequiredKeys<T>]: T[k] };
+
 //
 // Schema Config
 //