vuetify-wcag
Version:
VuetifyJS but then WCAG/A11Y compatible
204 lines (156 loc) • 8.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = mergeData;
exports.mergeStyles = mergeStyles;
exports.mergeClasses = mergeClasses;
exports.mergeListeners = mergeListeners;
var _helpers = require("./helpers");
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
var pattern = {
styleList: /;(?![^(]*\))/g,
styleProp: /:(.*)/
};
function parseStyle(style) {
var styleMap = {};
var _iterator = _createForOfIteratorHelper(style.split(pattern.styleList)),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var s = _step.value;
var _s$split = s.split(pattern.styleProp),
_s$split2 = _slicedToArray(_s$split, 2),
key = _s$split2[0],
val = _s$split2[1];
key = key.trim();
if (!key) {
continue;
} // May be undefined if the `key: value` pair is incomplete.
if (typeof val === 'string') {
val = val.trim();
}
styleMap[(0, _helpers.camelize)(key)] = val;
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return styleMap;
}
function mergeData() {
var mergeTarget = {};
var i = arguments.length;
var prop; // Allow for variadic argument length.
while (i--) {
// Iterate through the data properties and execute merge strategies
// Object.keys eliminates need for hasOwnProperty call
for (var _i2 = 0, _Object$keys = Object.keys(arguments[i]); _i2 < _Object$keys.length; _i2++) {
prop = _Object$keys[_i2];
switch (prop) {
// Array merge strategy (array concatenation)
case 'class':
case 'directives':
if (arguments[i][prop]) {
mergeTarget[prop] = mergeClasses(mergeTarget[prop], arguments[i][prop]);
}
break;
case 'style':
if (arguments[i][prop]) {
mergeTarget[prop] = mergeStyles(mergeTarget[prop], arguments[i][prop]);
}
break;
// Space delimited string concatenation strategy
case 'staticClass':
if (!arguments[i][prop]) {
break;
}
if (mergeTarget[prop] === undefined) {
mergeTarget[prop] = '';
}
if (mergeTarget[prop]) {
// Not an empty string, so concatenate
mergeTarget[prop] += ' ';
}
mergeTarget[prop] += arguments[i][prop].trim();
break;
// Object, the properties of which to merge via array merge strategy (array concatenation).
// Callback merge strategy merges callbacks to the beginning of the array,
// so that the last defined callback will be invoked first.
// This is done since to mimic how Object.assign merging
// uses the last given value to assign.
case 'on':
case 'nativeOn':
if (arguments[i][prop]) {
mergeTarget[prop] = mergeListeners(mergeTarget[prop], arguments[i][prop]);
}
break;
// Object merge strategy
case 'attrs':
case 'props':
case 'domProps':
case 'scopedSlots':
case 'staticStyle':
case 'hook':
case 'transition':
if (!arguments[i][prop]) {
break;
}
if (!mergeTarget[prop]) {
mergeTarget[prop] = {};
}
mergeTarget[prop] = _objectSpread(_objectSpread({}, arguments[i][prop]), mergeTarget[prop]);
break;
// Reassignment strategy (no merge)
default:
// slot, key, ref, tag, show, keepAlive
if (!mergeTarget[prop]) {
mergeTarget[prop] = arguments[i][prop];
}
}
}
}
return mergeTarget;
}
function mergeStyles(target, source) {
if (!target) return source;
if (!source) return target;
target = (0, _helpers.wrapInArray)(typeof target === 'string' ? parseStyle(target) : target);
return target.concat(typeof source === 'string' ? parseStyle(source) : source);
}
function mergeClasses(target, source) {
if (!source) return target;
if (!target) return source;
return target ? (0, _helpers.wrapInArray)(target).concat(source) : source;
}
function mergeListeners() {
if (!(arguments.length <= 0 ? undefined : arguments[0])) return arguments.length <= 1 ? undefined : arguments[1];
if (!(arguments.length <= 1 ? undefined : arguments[1])) return arguments.length <= 0 ? undefined : arguments[0];
var dest = {};
for (var i = 2; i--;) {
var arg = i < 0 || arguments.length <= i ? undefined : arguments[i];
for (var event in arg) {
if (!arg[event]) continue;
if (dest[event]) {
// Merge current listeners before (because we are iterating backwards).
// Note that neither "target" or "source" must be altered.
dest[event] = [].concat(arg[event], dest[event]);
} else {
// Straight assign.
dest[event] = arg[event];
}
}
}
return dest;
}
//# sourceMappingURL=mergeData.js.map