codebuild_highlight.user.js

// ==UserScript==
// @name         CodeBuild Highlight
// @namespace    https://gist.github.com/mohno007/4532f9f342cc75480fc86064ba34172b
// @version      0.2
// @description  Codebuild Highlight
// @author       mohno007
// @match        https://*.console.aws.amazon.com/codesuite/codebuild/projects/*
// @grant        none
// @licence      CC0 1.0
// @updateURL    https://gist.githubusercontent.com/mohno007/4532f9f342cc75480fc86064ba34172b/raw/codebuild_highlight.user.js
// @downloadURL  https://gist.githubusercontent.com/mohno007/4532f9f342cc75480fc86064ba34172b/raw/codebuild_highlight.user.js
// ==/UserScript==

(function() {
    'use strict';

    const styles = [
      [/\[success\]/, { color: '#32cd32' }],
      [/\[warn\]/, { color: '#ffa500' }],
      [/\[error\]/, { color: '#f14949' }],
    ];

    setInterval(() => {
      const lines = [...document.querySelectorAll('.ace_line')];
      lines.forEach(line => {
        styles.forEach(([regex, style]) => {
          if (regex.test(line.textContent)) {
            Object.assign(line.style, style);
          }
        });
      });
    }, 5000);
})();