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0a4047ab31
Unfortunately the babel minify-mangle plugin seems to be abandoned and in certain circumstances can be very buggy. The only safe options are to disable it, or to switch to a different minification library. Not minifying our javascript is not ideal, so this commit updates the javascript tasks to use a rollup, combined with babel, and terser. Babel still converts code from ES/UMD/AMD to AMD modules with the relevant browser support, whilst terser minifies the code. The rollup bundler handles tracking and creation of sourcemaps, and supports better parallelisation of the tasks. Since the upgrade to Node LTS/Gallium requires an upgrade to @babel/core and eslint, which change the built files anyway, this seems like the ideal time to make this change.
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{"version":3,"file":"showhidesettings.min.js","sources":["../src/showhidesettings.js"],"sourcesContent":["/**\n * Show/hide admin settings based on other settings selected\n *\n * @copyright 2018 Davo Smith, Synergy Learning\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n var dependencies;\n\n // -------------------------------------------------\n // Support functions, used by dependency functions.\n // -------------------------------------------------\n\n /**\n * Check to see if the given element is the hidden element that makes sure checkbox\n * elements always submit a value.\n * @param {jQuery} $el\n * @returns {boolean}\n */\n function isCheckboxHiddenElement($el) {\n return ($el.is('input[type=hidden]') && $el.siblings('input[type=checkbox][name=\"' + $el.attr('name') + '\"]').length);\n }\n\n /**\n * Check to see if this is a radio button with the wrong value (i.e. a radio button from\n * the group we are interested in, but not the specific one we wanted).\n * @param {jQuery} $el\n * @param {string} value\n * @returns {boolean}\n */\n function isWrongRadioButton($el, value) {\n return ($el.is('input[type=radio]') && $el.attr('value') !== value);\n }\n\n /**\n * Is this element relevant when we're looking for checked / not checked status?\n * @param {jQuery} $el\n * @param {string} value\n * @returns {boolean}\n */\n function isCheckedRelevant($el, value) {\n return (!isCheckboxHiddenElement($el) && !isWrongRadioButton($el, value));\n }\n\n /**\n * Is this an unchecked radio button? 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