perf: optimize webpack build — add externals, splitChunks, and slim production zip #2696
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…roduction zip - Add webpack externals for WordPress-provided packages (React, ReactDOM, lodash, @wordpress/element, @wordpress/components, @wordpress/api-fetch, @wordpress/hooks, @wordpress/i18n, @wordpress/dom-ready, @wordpress/dataviews) so they resolve from wp.* globals instead of being re-bundled. - Add optimization.splitChunks to extract shared Vue/Vuex vendor code into a single admin-vue-vendor chunk, eliminating duplication across admin-multi-directory-builder and admin-settings-manager. - Remove redundant dev (unminified) build from webpack.prod.js — dev output now only comes from webpack.dev.js and webpack.dev.vue.js where it belongs. - Restructure FileManagerPlugin copy rules to produce a leaner zip: only minified JS/CSS, icon woff2+css (no SVGs), block build output (no src). - Update PHP script dependencies in scripts.php: register admin-vue-vendor as a shared dep for both Vue admin scripts; declare all externalized WP packages for formgent-integration. Results: formgent-integration.min.js 1,976 KB → 117 KB (−94%) Total minified JS 3.89 MB → 1.87 MB (−52%) Production JS file count 78 → 40 (−49%) Zip size 14 MB → 6.48 MB (−54%)
…ntend compatibility
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PR Type
What kind of change does this PR introduce?
Description
Optimizes the Webpack build system to reduce bundle sizes and production zip weight by ~54%.
Problem
externalsconfigured — React, ReactDOM, lodash, and all@wordpress/*packages were re-bundled into output files instead of using WordPress-provided globals.formgent-integration.min.jsalone was 1,976 KB because it bundled the entire@wordpress/componentslibrary (which pulls in moment.js + moment-timezone).admin-multi-directory-builderandadmin-settings-manager(~776 KB each).assets/src/, and block source code.Changes
Webpack Config
webpack.common.js— Addedexternalsmap for jQuery, lodash, React, ReactDOM, and 7@wordpress/*packages.webpack.prod.js— Addedoptimization.splitChunksto extract shared Vue vendor code intoadmin-vue-vendor.min.js; removed redundant dev build; restructuredFileManagerPluginto only copy minified assets and icon font files (no SVGs).webpack.dev.vue.js— Added matchingsplitChunksconfig for dev consistency.PHP
includes/asset-loader/scripts.php— Registered newdirectorist-admin-vue-vendorscript; added it as dependency for both Vue admin scripts; updateddirectorist-formgent-integrationdeps to declare all externalized WP packages.Results
formgent-integration.min.jsadmin-multi-directory-builder.min.jsadmin-settings-manager.min.jsTesting
npx webpack --config webpack.prod.jscompletes with 0 errorsAny linked issues
Fixes #
Checklist