swc_ecma_transforms_base 49.0.1

rust port of babel and closure compiler.
Documentation 
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// This file is generated by `cargo codegen helpers`. DO NOT MODIFY.

use super::{HelperDef, HelperName};

pub const DEF: HelperDef = HelperDef {
    name: HelperName::using,
    local: "_using",
    import_path: "@swc/helpers/_/_using",
    #[cfg(feature = "inline-helpers")]
    source: r#"/* @minVersion 7.22.0 */

function _using(stack, value, isAwait) {
    if (value === null || value === void 0) return value;
    if (Object(value) !== value) {
        throw new TypeError("using declarations can only be used with objects, functions, null, or undefined.");
    }
    // core-js-pure uses Symbol.for for polyfilling well-known symbols
    if (isAwait) {
        var dispose = value[Symbol.asyncDispose || Symbol.for("Symbol.asyncDispose")];
    }
    if (dispose === null || dispose === void 0) {
        dispose = value[Symbol.dispose || Symbol.for("Symbol.dispose")];
    }
    if (typeof dispose !== "function") {
        throw new TypeError(`Property [Symbol.dispose] is not a function.`);
    }
    stack.push({ v: value, d: dispose, a: isAwait });
    return value;
}
"#,
    #[cfg(feature = "inline-helpers")]
    deps: super::HelperBitmap::from_bits(0x00000010000000000000000000000000),
};

#[cfg(feature = "inline-helpers")]
pub fn stmts() -> &'static [swc_ecma_ast::Stmt] {
    static STMTS: once_cell::sync::Lazy<Vec<swc_ecma_ast::Stmt>> =
        once_cell::sync::Lazy::new(|| super::super::parse(DEF.source, DEF.import_path));
    &STMTS
}