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Use json-with-bigint via npm
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This commit is contained in:
Sainan 2025-03-19 09:11:28 +01:00
parent cf070a4f16
commit 9667b6f72c
4 changed files with 9 additions and 54 deletions
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7
package-lock.json generated
View File

@ -14,6 +14,7 @@
"copyfiles": "^2.4.1",
"crc-32": "^1.2.2",
"express": "^5",
"json-with-bigint": "^3.2.1",
"mongoose": "^8.11.0",
"morgan": "^1.10.0",
"typescript": ">=5.5 <5.6.0",
@ -2346,6 +2347,12 @@
"dev": true,
"license": "MIT"
},
"node_modules/json-with-bigint": {
"version": "3.2.1",
"resolved": "https://registry.npmjs.org/json-with-bigint/-/json-with-bigint-3.2.1.tgz",
"integrity": "sha512-0f8RHpU1AwBFwIPmtm71W+cFxzlXdiBmzc3JqydsNDSKSAsr0Lso6KXRbz0h2LRwTIRiHAk/UaD+xaAN5f577w==",
"license": "MIT"
},
"node_modules/json5": {
"version": "2.2.3",
"resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",

1
package.json
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@ -19,6 +19,7 @@
"copyfiles": "^2.4.1",
"crc-32": "^1.2.2",
"express": "^5",
"json-with-bigint": "^3.2.1",
"mongoose": "^8.11.0",
"morgan": "^1.10.0",
"typescript": ">=5.5 <5.6.0",

2
src/helpers/stringHelpers.ts
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@ -1,4 +1,4 @@
import { JSONParse } from "../json-with-bigint";
import { JSONParse } from "json-with-bigint";
export const getJSONfromString = <T>(str: string): T => {
const jsonSubstring = str.substring(0, str.lastIndexOf("}") + 1);

53
src/json-with-bigint.ts
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@ -1,53 +0,0 @@
// Based on the json-with-bigint library: https://github.com/Ivan-Korolenko/json-with-bigint/blob/main/json-with-bigint.js
// Sadly we can't use it directly: https://github.com/Ivan-Korolenko/json-with-bigint/issues/15
/* eslint-disable */
const noiseValue = /^-?\d+n+$/; // Noise - strings that match the custom format before being converted to it
export const JSONParse = (json: any) => {
if (!json) return JSON.parse(json);
const MAX_INT = Number.MAX_SAFE_INTEGER.toString();
const MAX_DIGITS = MAX_INT.length;
const stringsOrLargeNumbers =
/"(?:\\.|[^"])*"|-?(0|[1-9][0-9]*)(\.[0-9]+)?([eE][+-]?[0-9]+)?/g;
const noiseValueWithQuotes = /^"-?\d+n+"$/; // Noise - strings that match the custom format before being converted to it
const customFormat = /^-?\d+n$/;
// Find and mark big numbers with "n"
const serializedData = json.replace(
stringsOrLargeNumbers,
(text: any, digits: any, fractional: any, exponential: any) => {
const isString = text[0] === '"';
const isNoise = isString && Boolean(text.match(noiseValueWithQuotes));
if (isNoise) return text.substring(0, text.length - 1) + 'n"'; // Mark noise values with additional "n" to offset the deletion of one "n" during the processing
const isFractionalOrExponential = fractional || exponential;
const isLessThanMaxSafeInt =
digits &&
(digits.length < MAX_DIGITS ||
(digits.length === MAX_DIGITS && digits <= MAX_INT)); // With a fixed number of digits, we can correctly use lexicographical comparison to do a numeric comparison
if (isString || isFractionalOrExponential || isLessThanMaxSafeInt)
return text;
return '"' + text + 'n"';
}
);
// Convert marked big numbers to BigInt
return JSON.parse(serializedData, (_, value) => {
const isCustomFormatBigInt =
typeof value === "string" && Boolean(value.match(customFormat));
if (isCustomFormatBigInt)
return BigInt(value.substring(0, value.length - 1));
const isNoiseValue =
typeof value === "string" && Boolean(value.match(noiseValue));
if (isNoiseValue) return value.substring(0, value.length - 1); // Remove one "n" off the end of the noisy string
return value;
});
};