@babel/plugin-transform-literals
Advanced tools
Package description
The @babel/plugin-transform-literals package is a plugin for Babel, a JavaScript compiler, that transforms modern JavaScript literal syntax into a form compatible with older JavaScript engines. This includes transforming template literals, binary literals, octal literals, and Unicode string literals into strings and numbers that can be understood by environments that do not support these features natively.
Template Literals Transformation
Converts template literals into string concatenation to ensure compatibility with older JavaScript engines.
`Hello, ${name}!` -> 'Hello, ' + name + '!'Binary Literals Transformation
Transforms binary literals into their decimal number equivalents.
0b101001 -> 41Octal Literals Transformation
Converts octal literals into their decimal number equivalents.
0o755 -> 493Unicode String Literals Transformation
Transforms Unicode string literals into escaped sequences compatible with older JavaScript engines.
'\u{1F680}' -> '\uD83D\uDE80'This package specifically focuses on transforming template literals into string concatenation. While @babel/plugin-transform-literals covers a broader range of literal transformations, @babel/plugin-transform-template-literals provides a more focused approach on template literals, offering optimizations for cases where tagged templates are not used.
Similar to the Unicode string literals transformation provided by @babel/plugin-transform-literals, this package transforms Unicode escapes in string literals and identifiers. It offers a more specialized focus on Unicode transformations, potentially providing more detailed handling of edge cases in Unicode escape sequences.
Readme
Compile ES2015 unicode string and number literals to ES5
In
var b = 0b11; // binary integer literal
var o = 0o7; // octal integer literal
const u = 'Hello\u{000A}\u{0009}!'; // unicode string literals, newline and tab
Out
var b = 3; // binary integer literal
var o = 7; // octal integer literal
const u = 'Hello\n\t!'; // unicode string literals, newline and tab
npm install --save-dev @babel/plugin-transform-literals
.babelrc (Recommended).babelrc
{
"plugins": ["@babel/plugin-transform-literals"]
}
babel --plugins @babel/plugin-transform-literals script.js
require("@babel/core").transform("code", {
plugins: ["@babel/plugin-transform-literals"]
});
FAQs
Compile ES2015 unicode string and number literals to ES5
The npm package @babel/plugin-transform-literals receives a total of 22,658,894 weekly downloads. As such, @babel/plugin-transform-literals popularity was classified as popular.
We found that @babel/plugin-transform-literals demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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