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js-stringify
Advanced tools
The js-stringify npm package is used to safely serialize JavaScript values to JSON strings. It ensures that the output is a valid JavaScript string literal, which can be useful for embedding data in HTML or JavaScript code.
Basic Stringify
This feature allows you to convert a JavaScript object into a JSON string. The output is a valid JavaScript string literal.
const stringify = require('js-stringify');
const obj = { key: 'value' };
const str = stringify(obj);
console.log(str); // Output: '{"key":"value"}'
Stringify with Special Characters
This feature ensures that special characters within the string are properly escaped, making the output safe for embedding in JavaScript code.
const stringify = require('js-stringify');
const obj = { key: 'value with special characters: \n \t' };
const str = stringify(obj);
console.log(str); // Output: '{"key":"value with special characters: \n \t"}'
Stringify Arrays
This feature allows you to convert arrays into JSON strings, ensuring that all elements are properly serialized.
const stringify = require('js-stringify');
const arr = [1, 'two', { three: 3 }];
const str = stringify(arr);
console.log(str); // Output: '[1,"two",{"three":3}]'
The json-stringify-safe package provides a safer version of JSON.stringify that can handle circular references without throwing errors. Unlike js-stringify, it focuses on preventing crashes due to circular structures rather than ensuring the output is a valid JavaScript string literal.
The fast-json-stringify package is designed for high performance JSON serialization. It uses JSON schema to generate optimized serialization code. While it is faster than js-stringify, it does not focus on ensuring the output is a valid JavaScript string literal.
The safe-stable-stringify package provides deterministic and safe JSON.stringify functionality, ensuring consistent output for the same input. It also handles circular references. Unlike js-stringify, it focuses on stability and safety rather than embedding data in JavaScript code.
Stringify an object so it can be safely inlined in JavaScript code
npm install js-stringify
var assert = require('assert');
var stringify = require('js-stringify');
assert(stringify('foo') === '"foo"');
assert(stringify('foo\u2028bar\u2029baz') === '"foo\\u2028bar\\u2029baz"');
assert(stringify(new Date('2014-12-19T03:42:00.000Z')) === 'new Date("2014-12-19T03:42:00.000Z")');
assert(stringify({foo: 'bar'}) === '{"foo":"bar"}');
MIT
FAQs
Stringify an object so it can be safely inlined in JavaScript code
The npm package js-stringify receives a total of 1,266,991 weekly downloads. As such, js-stringify popularity was classified as popular.
We found that js-stringify demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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