Contrib.social

Refactor (if feasible) uses of the jQuery sizzle to use vanillaJS

Open on Drupal.org →
Created on 24 September 2021, about 3 years ago
Updated 5 September 2024, 3 months ago

Problem/Motivation

As mentioned in the parent issue #3238306: [META] Where possible, refactor existing jQuery uses to vanillaJS to reduce jQuery footprint → , we are working towards reducing our jQuery footprint. One of the ways to accomplish this is to reduce the number of jQuery features used in Drupal core. We have added eslint rules that identify specific features and fail tests when those features are in use.

There are (or will be) individual issues for each jQuery-use eslint rule. This one is specific to jquery/no-sizzle, which targets the selector extensions provided by Sizzle .

Steps to reproduce

Proposed resolution

Remaining tasks

  • In core/.eslintrc.jquery.json Change "jquery/no-sizzle": 0, to "jquery/no-sizzle": 2, to enable eslint checks for uses of Sizzle. With this change, you'll be able to see uses of the undesirable jQuery feature by running yarn lint:core-js-passing from the core directory
  • Add the following lines to core/scripts/dev/commit-code-check.sh so the DrupalCI testing script can catch this jQuery usage on all files, not just those which have changed
    # @todo Remove the next chunk of lines before committing. This script only lints
#  JavaScript files that have changed, so we add this to check all files for
#  jQuery-specific lint errors.
cd "$TOP_LEVEL/core"
node ./node_modules/eslint/bin/eslint.js --quiet --config=.eslintrc.passing.json .

CORRECTJQS=$?
if [ "$CORRECTJQS" -ne "0" ]; then
  # No need to write any output the node command will do this for us.
  printf "${red}FAILURE ${reset}: unsupported jQuery usage. See errors above."
  STATUS=1
  FINAL_STATUS=1
fi
cd $TOP_LEVEL
# @todo end lines to remove

    Add the block about 10 lines before the end of the file, just before if [[ "$FINAL_STATUS" == "1" ]] && [[ "$DRUPALCI" == "1" ]]; then, then remove it once all the jQuery uses have been refactored.

  • If it's determined to be feasible, refactor those uses of Sizzle to use Vanilla (native) JavaScript instead.

User interface changes

API changes

Data model changes

Release notes snippet

📌 Task
Status

Needs work

Version

11.0 🔥

Component
Javascript  →

Last updated 1 day ago

Created by

🇺🇸United States hooroomoo

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