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@esbuild/win32-ia32
Advanced tools
The @esbuild/win32-ia32 npm package is a binary distribution of esbuild for Windows (32-bit) systems. Esbuild is an extremely fast JavaScript bundler and minifier. It compiles TypeScript and JavaScript into code that can run in the browser, and it can bundle many files into a single output file. It's designed to be very fast and efficient.
Bundling JavaScript
This feature allows you to bundle multiple JavaScript files into a single file, which can be useful for reducing the number of HTTP requests needed to load a web page.
require('esbuild').build({
entryPoints: ['app.js'],
bundle: true,
outfile: 'out.js',
}).catch(() => process.exit(1))
Minifying JavaScript
This feature enables the minification of JavaScript code, which reduces file size by removing unnecessary characters without changing its functionality.
require('esbuild').build({
entryPoints: ['app.js'],
minify: true,
outfile: 'out.js',
}).catch(() => process.exit(1))
Transpiling TypeScript
This feature allows you to transpile TypeScript code into JavaScript, making it possible to use TypeScript's features while still targeting environments that only support JavaScript.
require('esbuild').build({
entryPoints: ['app.ts'],
outfile: 'out.js',
}).catch(() => process.exit(1))
Webpack is a powerful module bundler that can transform front-end assets like HTML, CSS, and JavaScript. It's more configurable than esbuild but generally slower due to its complexity and feature-rich nature.
Parcel is a web application bundler that offers a zero-configuration experience. It's known for its simplicity and speed, but esbuild typically outperforms it in terms of build times.
Rollup is another module bundler for JavaScript which is best known for its tree-shaking capabilities, allowing for the creation of smaller bundles. It's more focused on bundling for libraries and has a different scope compared to esbuild's focus on speed.
Terser is a JavaScript parser, mangler and compressor toolkit for ES6+. It's specifically focused on minification and is often used in conjunction with other bundling tools rather than as a standalone bundler like esbuild.
This is the Windows 32-bit binary for esbuild, a JavaScript bundler and minifier. See https://github.com/evanw/esbuild for details.
0.20.1
Fix a bug with the CSS nesting transform (#3648)
This release fixes a bug with the CSS nesting transform for older browsers where the generated CSS could be incorrect if a selector list contained a pseudo element followed by another selector. The bug was caused by incorrectly mutating the parent rule's selector list when filtering out pseudo elements for the child rules:
/* Original code */
.foo {
&:after,
& .bar {
color: red;
}
}
/* Old output (with --supported:nesting=false) */
.foo .bar,
.foo .bar {
color: red;
}
/* New output (with --supported:nesting=false) */
.foo:after,
.foo .bar {
color: red;
}
Constant folding for JavaScript inequality operators (#3645)
This release introduces constant folding for the < > <= >=
operators. The minifier will now replace these operators with true
or false
when both sides are compile-time numeric or string constants:
// Original code
console.log(1 < 2, '🍕' > '🧀')
// Old output (with --minify)
console.log(1<2,"🍕">"🧀");
// New output (with --minify)
console.log(!0,!1);
Better handling of __proto__
edge cases (#3651)
JavaScript object literal syntax contains a special case where a non-computed property with a key of __proto__
sets the prototype of the object. This does not apply to computed properties or to properties that use the shorthand property syntax introduced in ES6. Previously esbuild didn't correctly preserve the "sets the prototype" status of properties inside an object literal, meaning a property that sets the prototype could accidentally be transformed into one that doesn't and vice versa. This has now been fixed:
// Original code
function foo(__proto__) {
return { __proto__: __proto__ } // Note: sets the prototype
}
function bar(__proto__, proto) {
{
let __proto__ = proto
return { __proto__ } // Note: doesn't set the prototype
}
}
// Old output
function foo(__proto__) {
return { __proto__ }; // Note: no longer sets the prototype (WRONG)
}
function bar(__proto__, proto) {
{
let __proto__2 = proto;
return { __proto__: __proto__2 }; // Note: now sets the prototype (WRONG)
}
}
// New output
function foo(__proto__) {
return { __proto__: __proto__ }; // Note: sets the prototype (correct)
}
function bar(__proto__, proto) {
{
let __proto__2 = proto;
return { ["__proto__"]: __proto__2 }; // Note: doesn't set the prototype (correct)
}
}
Fix cross-platform non-determinism with CSS color space transformations (#3650)
The Go compiler takes advantage of "fused multiply and add" (FMA) instructions on certain processors which do the operation x*y + z
without intermediate rounding. This causes esbuild's CSS color space math to differ on different processors (currently ppc64le
and s390x
), which breaks esbuild's guarantee of deterministic output. To avoid this, esbuild's color space math now inserts a float64()
cast around every single math operation. This tells the Go compiler not to use the FMA optimization.
Fix a crash when resolving a path from a directory that doesn't exist (#3634)
This release fixes a regression where esbuild could crash when resolving an absolute path if the source directory for the path resolution operation doesn't exist. While this situation doesn't normally come up, it could come up when running esbuild concurrently with another operation that mutates the file system as esbuild is doing a build (such as using git
to switch branches). The underlying problem was a regression that was introduced in version 0.18.0.
FAQs
The Windows 32-bit binary for esbuild, a JavaScript bundler.
The npm package @esbuild/win32-ia32 receives a total of 3,564,220 weekly downloads. As such, @esbuild/win32-ia32 popularity was classified as popular.
We found that @esbuild/win32-ia32 demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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