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[Utility & Helpers](/categories/utility) 4. / 5. zwernemann/magento2-minresolver ActiveMagento2-module[Utility & Helpers](/categories/utility) zwernemann/magento2-minresolver =============================== Fixes intermittent \*.min.js 404 errors (e.g. globals.js) caused by stale baseUrl and double-wrapping of the RequireJS min-resolver in Magento 2. 1.0.0(3mo ago)04MITPHPPHP >=7.4.0 Since Mar 24Pushed 3mo agoCompare [ Source](https://github.com/Zwernemann/magento2-minResolver)[ Packagist](https://packagist.org/packages/zwernemann/magento2-minresolver)[ RSS](/packages/zwernemann-magento2-minresolver/feed)WikiDiscussions main Synced 3w ago READMEChangelog (1)Dependencies (1)Versions (2)Used By (0) magento2-minResolver ==================== [](#magento2-minresolver) A drop-in patch for Magento 2 that fixes intermittent 404 errors caused by RequireJS loading plain `.js` files instead of `.min.js` when JavaScript minification is enabled in the Admin panel. Tested on Magento **2.4.7-p9**. --- The Problem ----------- [](#the-problem) ### What you see [](#what-you-see) With **Minify JavaScript Files** enabled (Admin → Stores → Config → Advanced → Developer → JavaScript Settings), Magento Admin works fine most of the time. But after navigating back and forth several times — for example between Sales → Orders and Create Order — the browser console suddenly shows: ``` GET /static/version.../adminhtml/.../mage/adminhtml/globals.js net::ERR_ABORTED 404 (Not Found) ``` The page may partially break: grids don’t load, buttons stop responding, or JavaScript errors cascade. A hard reload fixes it temporarily — until it happens again. ### Why is it intermittent? [](#why-is-it-intermittent) The bug does not appear on the first page load. It surfaces only after several AJAX navigations within the same browser session. A single smoke test is unlikely to catch it. --- Root Causes ----------- [](#root-causes) Magento ships a small script called `requirejs-min-resolver.min.js` that is injected into every Admin page. Its job is to force RequireJS to always request `.min.js` URLs. The original implementation contains two defects. ### Defect 1 — Stale `baseUrl` closure [](#defect-1--stale-baseurl-closure) ``` // Original Magento code (function() { var ctx = require.s.contexts._, origNameToUrl = ctx.nameToUrl, baseUrl = ctx.config.baseUrl; // captured ONCE at script-load time ctx.nameToUrl = function() { var url = origNameToUrl.apply(ctx, arguments); if (url.indexOf(baseUrl) === 0 // compared against the stale value && !url.match(/\/hugerte\//) && !url.match(/\/v1\/songbird/)) { url = url.replace(/(\.min)?\.js$/, '.min.js'); } return url; }; }()); ``` `baseUrl` is captured once when the script first runs. During AJAX navigation Magento can reconfigure RequireJS. After reconfiguration `ctx.config.baseUrl` has a new value, but the closed-over `baseUrl` variable is still the old one. The `indexOf` check fails for every URL, the `.min.js` rewrite is skipped, and the browser requests the plain `.js` file — which does not exist — resulting in a 404. ### Defect 2 — Double-wrapping on re-evaluation [](#defect-2--double-wrapping-on-re-evaluation) On AJAX navigation the Admin can re-inject and re-evaluate `requirejs-min-resolver.min.js`. Each evaluation runs `ctx.nameToUrl = function() { ... origNameToUrl ... }` where `origNameToUrl`was captured from the *current* `ctx.nameToUrl` — which is already the patched version from the previous evaluation. The result is a growing chain: ``` patch3( patch2( patch1( original ) ) ) ``` With no idempotency guard, each additional wrapper can alter the URL differently, potentially producing wrong paths or double-suffixed filenames like `globals.min.min.js`. --- The Fix ------- [](#the-fix) A single self-contained IIFE that closes both gaps: ``` (function(){ function patchCtx(c){ if(!c||c.__mRF)return; // idempotency guard — never patch twice c.__mRF=true; var p=c.nameToUrl; c.nameToUrl=function(){ // baseUrl read dynamically on every call — never goes stale var u=p.apply(c,arguments),b=c.config&&c.config.baseUrl; if(b&&u.indexOf(b)===0 &&!/\.min\.js$/.test(u) &&!/\/hugerte\//.test(u) &&!/\/v1\/songbird/.test(u)){ u=u.replace(/\.js$/,'.min.js'); } return u; }; } // Layer 1 — patch every context that exists right now (including _) var ctxs=require.s.contexts; for(var n in ctxs){ if(Object.prototype.hasOwnProperty.call(ctxs,n))patchCtx(ctxs[n]); } // Layer 2 — patch every context created from this point on if(!require.s.__mNCF){ require.s.__mNCF=true; var oNC=require.s.newContext; require.s.newContext=function(){ var c=oNC.apply(this,arguments); patchCtx(c); return c; }; } // Layer 3 — rewrite the URL at the last possible moment before the XHR fires if(!require.__mRL){ require.__mRL=true; var ol=require.load; require.load=function(c,m,u){ var b=c&&c.config&&c.config.baseUrl; if(b&&u&&u.indexOf(b)===0 &&/\.js$/.test(u)&&!/\.min\.js$/.test(u) &&!/\/hugerte\//.test(u)&&!/\/v1\/songbird/.test(u)){ u=u.replace(/\.js$/,'.min.js'); } return ol.call(this,c,m,u); }; } console.info('[rjsFix] v6 active'); }()); ``` ### How each defect is addressed [](#how-each-defect-is-addressed) DefectOriginalFixStale `baseUrl`Captured once in outer closureRead as `c.config.baseUrl` inside the function on every callDouble-wrappingNo guard`__mRF` flag on each context prevents patching more than once### Additional layers [](#additional-layers) LayerWhat it coversContext loop at load timeAll RequireJS contexts already present, including `_``newContext` hookEvery new named context created after the script runs`require.load` hookLast-resort safety net — rewrites the URL just before the XHR fires`__mNCF` / `__mRL` flagsEnsure the `newContext` and `load` hooks are installed exactly once### Exclusions [](#exclusions) `hugerte` and `v1/songbird` are third-party libraries that ship only as unminified JS and must not be rewritten. --- Compatibility ------------- [](#compatibility) - Magento 2.4.x (tested on 2.4.7-p9) - Only active when **Minify JavaScript Files** is enabled; has no effect otherwise --- Confirmed Magento Core Issues ----------------------------- [](#confirmed-magento-core-issues) IssueDescription[\#38829](https://github.com/magento/magento2/issues/38829)JS Minification & RequireJS loading in production 2.4.7 — both `.min` and non-min files are requested simultaneously[\#38117](https://github.com/magento/magento2/issues/38117)`requirejs-min-resolver.min.js` not generated on `setup:static-content:deploy` — navigation fails after first page load--- Installation ------------ [](#installation) ### Via Composer [](#via-composer) ``` composer require zwernemann/magento2-minresolver bin/magento module:enable Zwernemann_MinResolver bin/magento setup:upgrade bin/magento setup:static-content:deploy bin/magento cache:flush ``` ### Manually [](#manually) Copy `app/code/Zwernemann/MinResolver` to your Magento installation, then: ``` bin/magento module:enable Zwernemann_MinResolver bin/magento setup:upgrade bin/magento setup:static-content:deploy bin/magento cache:flush ``` Compatibility ------------- [](#compatibility-1) - Magento 2.3.x, 2.4.x - PHP 7.4+ License ------- [](#license) MIT Contact ------- [](#contact) **Zwernemann Medienentwicklung** Martin Zwernemann 79730 Murg, Germany [To the website](https://www.zwernemann.de/) If you have questions, problems, or ideas for new features – feel free to get in touch. ### Health Score 33 — LowBetter than 72% of packages Maintenance82 Actively maintained with recent releases Popularity4 Limited adoption so far Community6 Small or concentrated contributor base Maturity34 Early-stage or recently created project Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Unknown Total 1 Last Release 94d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/ab806201fa0b72cada23b094f57e8d6e96aca483badab47bf710dfd2f2e19f4b?d=identicon)[Zwernemann](/maintainers/Zwernemann) --- Top Contributors [![Zwernemann](https://avatars.githubusercontent.com/u/52236002?v=4)](https://github.com/Zwernemann "Zwernemann (15 commits)") --- Tags magento2magento2-module ### Embed Badge ![Health badge](/badges/zwernemann-magento2-minresolver/health.svg) ``` [![Health](https://phpackages.com/badges/zwernemann-magento2-minresolver/health.svg)](https://phpackages.com/packages/zwernemann-magento2-minresolver) ``` ### Alternatives [elgentos/regenerate-catalog-urls Regenerate Catalog URL Rewrites (products, categories, cms pages) 2842.6M](/packages/elgentos-regenerate-catalog-urls)[run-as-root/magento2-prometheus-exporter Magento2 Prometheus Exporter 68353.9k](/packages/run-as-root-magento2-prometheus-exporter)[myparcelnl/magento A Magento 2 module that creates MyParcel labels 1859.0k](/packages/myparcelnl-magento)[loki/magento2-components Core module for defining Alpine.js components with advanced AJAX features 1010.0k22](/packages/loki-magento2-components)[magepal/magento2-form-field-manager Customer and Address Form Fields Manager for Magento2 273.9k](/packages/magepal-magento2-form-field-manager)[mage-os/module-llm-txt AI-powered LLMs.txt generation for Magento 2 / Mage-OS stores. 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