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printj

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printj

Pure-JS printf

  • 1.3.1
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  • npm
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decreased by-12.57%
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What is printj?

The printj npm package is a library for formatting strings in JavaScript, similar to the printf function in C. It allows users to format strings with placeholders and provides various specifier characters for different data types.

What are printj's main functionalities?

String Formatting

This feature allows users to format strings using placeholders. The '%s' is used for string substitution, and '%d' is for integer substitution. The example code outputs 'Alice is 30 years old.'

const printj = require('printj');
console.log(printj.sprintf('%s is %d years old.', 'Alice', 30));

Localization and Internationalization

printj supports localization and internationalization, allowing numbers to be formatted according to different locale conventions. The example code sets the localization to French and formats the number with a comma as the decimal separator.

const printj = require('printj');
printj.setLocalization(printj.localization.FR);
console.log(printj.sprintf('%.2f', 1234567.89));

Parsing Formatted Strings

The package also provides functionality to parse formatted strings back into individual components. The sscanf function is used to parse the input string according to the format provided. The example code parses the string and returns an array with the extracted values.

const printj = require('printj');
const result = printj.sscanf('Alice is 30 years old.', '%s is %d years old.');
console.log(result);

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Package last updated on 24 Jan 2022

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