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NaN option

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This commit is contained in:
Sebastian Seedorf
2020-05-26 20:35:54 +02:00
parent 836b1449bf
commit d33ce96d18
2 changed files with 12 additions and 2 deletions
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4
validators/number.test.ts
View File

@@ -19,6 +19,7 @@ Deno.test("isNumber (match)", async () => {
for (const value of values) { for (const value of values) {
assertEquals(await validate(value, isNumber()), []); assertEquals(await validate(value, isNumber()), []);
} }
assertEquals(await validate(NaN, isNumber({ allowNaN: true })), []);
}); });
Deno.test("isNumber (no match)", async () => { Deno.test("isNumber (no match)", async () => {
@@ -35,6 +36,7 @@ Deno.test("isNumber (no match)", async () => {
for (const value of values) { for (const value of values) {
assertNotEquals(await validate(value, isNumber()), []); assertNotEquals(await validate(value, isNumber()), []);
} }
assertNotEquals(await validate(NaN, isNumber({ allowNaN: false })), []);
}); });
Deno.test("isInteger (match)", async () => { Deno.test("isInteger (match)", async () => {
@@ -49,6 +51,7 @@ Deno.test("isInteger (match)", async () => {
for (const value of values) { for (const value of values) {
assertEquals(await validate(value, isInteger()), []); assertEquals(await validate(value, isInteger()), []);
} }
assertEquals(await validate(NaN, isInteger({ allowNaN: true })), []);
}); });
Deno.test("isInteger (no match)", async () => { Deno.test("isInteger (no match)", async () => {
@@ -66,4 +69,5 @@ Deno.test("isInteger (no match)", async () => {
for (const value of values) { for (const value of values) {
assertNotEquals(await validate(value, isInteger()), []); assertNotEquals(await validate(value, isInteger()), []);
} }
assertNotEquals(await validate(NaN, isInteger({ allowNaN: false })), []);
}); });

10
validators/number.ts
View File

@@ -1,10 +1,13 @@
import { Validator, Args } from "../mod.ts"; import { Validator, Args } from "../mod.ts";
export function isNumber(): Validator { export function isNumber(
{ allowNaN = false }: { allowNaN?: boolean } = {},
): Validator {
return { return {
type: "isNumber", type: "isNumber",
check: (value: any) => { check: (value: any) => {
if (value === null || value === undefined) return; if (value === null || value === undefined) return;
if (allowNaN && Number.isNaN(value)) return;
if (!Number.isFinite(value)) { if (!Number.isFinite(value)) {
return {}; return {};
} }
@@ -15,11 +18,14 @@ export function isNumber(): Validator {
}; };
} }
export function isInteger(): Validator { export function isInteger(
{ allowNaN = false }: { allowNaN?: boolean } = {},
): Validator {
return { return {
type: "isInteger", type: "isInteger",
check: (value: any) => { check: (value: any) => {
if (value === null || value === undefined) return; if (value === null || value === undefined) return;
if (allowNaN && Number.isNaN(value)) return;
if (!Number.isInteger(value)) { if (!Number.isInteger(value)) {
return {}; return {};
} }