1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
import Ajv from "ajv";
import addFormats from "ajv-formats";
import fs from "fs";
import path from "path";
const SchemaPath = path.join(__dirname, "..", "..", "..", "assets", "schemas.json");
const schemas = JSON.parse(fs.readFileSync(SchemaPath, { encoding: "utf8" }));
export const ajv = new Ajv({
allErrors: true,
parseDate: true,
allowDate: true,
schemas,
coerceTypes: true,
messages: true,
strict: true,
strictRequired: true
});
addFormats(ajv);
export function validateSchema<G>(schema: string, data: G): G {
const valid = ajv.validate(schema, normalizeBody(data));
if (!valid) throw ajv.errors;
return data;
}
// Normalizer is introduced to workaround https://github.com/ajv-validator/ajv/issues/1287
// this removes null values as ajv doesn't treat them as undefined
// normalizeBody allows to handle circular structures without issues
// taken from https://github.com/serverless/serverless/blob/master/lib/classes/ConfigSchemaHandler/index.js#L30 (MIT license)
export const normalizeBody = (body: any = {}) => {
const normalizedObjectsSet = new WeakSet();
const normalizeObject = (object: any) => {
if (normalizedObjectsSet.has(object)) return;
normalizedObjectsSet.add(object);
if (Array.isArray(object)) {
for (const [index, value] of object.entries()) {
if (typeof value === "object") normalizeObject(value);
}
} else {
for (const [key, value] of Object.entries(object)) {
if (value == null) {
if (key === "icon" || key === "avatar" || key === "banner" || key === "splash" || key === "discovery_splash") continue;
delete object[key];
} else if (typeof value === "object") {
normalizeObject(value);
}
}
}
};
normalizeObject(body);
return body;
};
|
