@aziontech/opennextjs-azion/dist/core/build/utils/apply-patches.js

Azion builder for next apps

/**
 * Applies multiple code patches in order to a given piece of code, at each step it validates that the code
 * has actually been patched/changed, if not an error is thrown
 *
 * @param code the code to apply the patches to
 * @param patches array of tuples, containing a string indicating the target of the patching (for logging) and
 *                a patching function that takes a string (pre-patch code) and returns a string (post-patch code)
 * @returns the patched code
 */
export async function patchCodeWithValidations(code, patches) {
    console.log(`Applying code patches:`);
    let patchedCode = code;
    for (const [target, patchFunction, opts] of patches) {
        console.log(` - patching ${target}`);
        const prePatchCode = patchedCode;
        patchedCode = await patchFunction(patchedCode);
        if (!opts?.isOptional && prePatchCode === patchedCode) {
            console.log(` - ${target} patch failed, no changes made`);
            // throw new Error(`Failed to patch ${target}`);
        }
    }
    console.log(`All ${patches.length} patches applied\n`);
    return patchedCode;
}