Jesus sucks

backend/frontend/node_modules/@mui/system/legacy/cssVars/cssVarsParser.js

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+import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
+import _extends from "@babel/runtime/helpers/esm/extends";
+import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
+import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
+import _typeof from "@babel/runtime/helpers/esm/typeof";
+/**
+ * This function create an object from keys, value and then assign to target
+ *
+ * @param {Object} obj : the target object to be assigned
+ * @param {string[]} keys
+ * @param {string | number} value
+ *
+ * @example
+ * const source = {}
+ * assignNestedKeys(source, ['palette', 'primary'], 'var(--palette-primary)')
+ * console.log(source) // { palette: { primary: 'var(--palette-primary)' } }
+ *
+ * @example
+ * const source = { palette: { primary: 'var(--palette-primary)' } }
+ * assignNestedKeys(source, ['palette', 'secondary'], 'var(--palette-secondary)')
+ * console.log(source) // { palette: { primary: 'var(--palette-primary)', secondary: 'var(--palette-secondary)' } }
+ */
+export var assignNestedKeys = function assignNestedKeys(obj, keys, value) {
+  var arrayKeys = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [];
+  var temp = obj;
+  keys.forEach(function (k, index) {
+    if (index === keys.length - 1) {
+      if (Array.isArray(temp)) {
+        temp[Number(k)] = value;
+      } else if (temp && _typeof(temp) === 'object') {
+        temp[k] = value;
+      }
+    } else if (temp && _typeof(temp) === 'object') {
+      if (!temp[k]) {
+        temp[k] = arrayKeys.includes(k) ? [] : {};
+      }
+      temp = temp[k];
+    }
+  });
+};
+
+/**
+ *
+ * @param {Object} obj : source object
+ * @param {Function} callback : a function that will be called when
+ *                   - the deepest key in source object is reached
+ *                   - the value of the deepest key is NOT `undefined` | `null`
+ *
+ * @example
+ * walkObjectDeep({ palette: { primary: { main: '#000000' } } }, console.log)
+ * // ['palette', 'primary', 'main'] '#000000'
+ */
+export var walkObjectDeep = function walkObjectDeep(obj, callback, shouldSkipPaths) {
+  function recurse(object) {
+    var parentKeys = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+    var arrayKeys = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
+    Object.entries(object).forEach(function (_ref) {
+      var _ref2 = _slicedToArray(_ref, 2),
+        key = _ref2[0],
+        value = _ref2[1];
+      if (!shouldSkipPaths || shouldSkipPaths && !shouldSkipPaths([].concat(_toConsumableArray(parentKeys), [key]))) {
+        if (value !== undefined && value !== null) {
+          if (_typeof(value) === 'object' && Object.keys(value).length > 0) {
+            recurse(value, [].concat(_toConsumableArray(parentKeys), [key]), Array.isArray(value) ? [].concat(_toConsumableArray(arrayKeys), [key]) : arrayKeys);
+          } else {
+            callback([].concat(_toConsumableArray(parentKeys), [key]), value, arrayKeys);
+          }
+        }
+      }
+    });
+  }
+  recurse(obj);
+};
+var getCssValue = function getCssValue(keys, value) {
+  if (typeof value === 'number') {
+    if (['lineHeight', 'fontWeight', 'opacity', 'zIndex'].some(function (prop) {
+      return keys.includes(prop);
+    })) {
+      // CSS property that are unitless
+      return value;
+    }
+    var lastKey = keys[keys.length - 1];
+    if (lastKey.toLowerCase().indexOf('opacity') >= 0) {
+      // opacity values are unitless
+      return value;
+    }
+    return "".concat(value, "px");
+  }
+  return value;
+};
+
+/**
+ * a function that parse theme and return { css, vars }
+ *
+ * @param {Object} theme
+ * @param {{
+ *  prefix?: string,
+ *  shouldSkipGeneratingVar?: (objectPathKeys: Array<string>, value: string | number) => boolean
+ * }} options.
+ *  `prefix`: The prefix of the generated CSS variables. This function does not change the value.
+ *
+ * @returns {{ css: Object, vars: Object }} `css` is the stylesheet, `vars` is an object to get css variable (same structure as theme).
+ *
+ * @example
+ * const { css, vars } = parser({
+ *   fontSize: 12,
+ *   lineHeight: 1.2,
+ *   palette: { primary: { 500: 'var(--color)' } }
+ * }, { prefix: 'foo' })
+ *
+ * console.log(css) // { '--foo-fontSize': '12px', '--foo-lineHeight': 1.2, '--foo-palette-primary-500': 'var(--color)' }
+ * console.log(vars) // { fontSize: 'var(--foo-fontSize)', lineHeight: 'var(--foo-lineHeight)', palette: { primary: { 500: 'var(--foo-palette-primary-500)' } } }
+ */
+export default function cssVarsParser(theme, options) {
+  var _ref3 = options || {},
+    prefix = _ref3.prefix,
+    shouldSkipGeneratingVar = _ref3.shouldSkipGeneratingVar;
+  var css = {};
+  var vars = {};
+  var varsWithDefaults = {};
+  walkObjectDeep(theme, function (keys, value, arrayKeys) {
+    if (typeof value === 'string' || typeof value === 'number') {
+      if (!shouldSkipGeneratingVar || !shouldSkipGeneratingVar(keys, value)) {
+        // only create css & var if `shouldSkipGeneratingVar` return false
+        var cssVar = "--".concat(prefix ? "".concat(prefix, "-") : '').concat(keys.join('-'));
+        _extends(css, _defineProperty({}, cssVar, getCssValue(keys, value)));
+        assignNestedKeys(vars, keys, "var(".concat(cssVar, ")"), arrayKeys);
+        assignNestedKeys(varsWithDefaults, keys, "var(".concat(cssVar, ", ").concat(value, ")"), arrayKeys);
+      }
+    }
+  }, function (keys) {
+    return keys[0] === 'vars';
+  } // skip 'vars/*' paths
+  );
+  return {
+    css: css,
+    vars: vars,
+    varsWithDefaults: varsWithDefaults
+  };
+}