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| 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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | 44x 44x 44x 44x 44x 44x 44x 44x 44x 4x 4x 1x 44x 4x 3x 1x 44x 44x 44x | import { BuildInfo } from '../Http';
import { CACHE_TTL_LOWER_LIMIT, CACHE_TTL_UPPER_LIMIT } from '../InMemoryCache';
import { Range, throwIfOutsideRange } from '@cardano-sdk/util';
import { validate } from 'jsonschema';
import fs from 'fs';
const buildInfoSchema = {
additionalProperties: false,
properties: {
extra: { type: 'object' },
lastModified: { type: 'number' },
lastModifiedDate: { type: 'string' },
rev: { type: 'string' },
shortRev: { type: 'string' }
},
type: 'object'
};
export const buildInfoValidator = (buildInfo: string): BuildInfo => {
let result: BuildInfo;
try {
result = JSON.parse(buildInfo || '{}');
} catch (error) {
throw new Error(`Invalid JSON format of build-info: ${error}`);
}
validate(result, buildInfoSchema, { throwError: true });
return result;
};
export const existingFileValidator = (filePath: string) => {
Iif (fs.existsSync(filePath)) {
return filePath;
}
throw new Error(`No file exists at ${filePath}`);
};
export const floatValidator = (description: string) => (float: string) => {
const parsed = Number.parseFloat(float);
Iif (parsed.toString() === float || (float.startsWith('.') && parsed.toString() === `0${float}`)) return parsed;
throw new TypeError(`${description} - "${float}" is not a number`);
};
export const integerValidator = (description: string) => (integer: string) => {
const parsed = Number.parseInt(integer, 10);
if (parsed.toString() === integer) return parsed;
throw new TypeError(`${description} - "${integer}" is not an integer`);
};
export const cacheTtlValidator = (ttlInSecs: string, range: Required<Range<number>>, description: string) => {
const cacheTtlInSecs = integerValidator(description)(ttlInSecs);
throwIfOutsideRange(cacheTtlInSecs, range, description);
return cacheTtlInSecs;
};
export const dbCacheValidator = (description: string) => (ttl: string) =>
cacheTtlValidator(ttl, { lowerBound: CACHE_TTL_LOWER_LIMIT, upperBound: CACHE_TTL_UPPER_LIMIT }, description);
export const urlValidator =
(description: string, toString = false) =>
(url: string) => {
try {
const parsed = new URL(url);
return toString ? parsed.toString() : parsed;
} catch {
throw new Error(`${description} - "${url}" is not an URL`);
}
};
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