40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
"use strict";
|
|
var __read = (this && this.__read) || function (o, n) {
|
|
var m = typeof Symbol === "function" && o[Symbol.iterator];
|
|
if (!m) return o;
|
|
var i = m.call(o), r, ar = [], e;
|
|
try {
|
|
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
|
|
}
|
|
catch (error) { e = { error: error }; }
|
|
finally {
|
|
try {
|
|
if (r && !r.done && (m = i["return"])) m.call(i);
|
|
}
|
|
finally { if (e) throw e.error; }
|
|
}
|
|
return ar;
|
|
};
|
|
var __spread = (this && this.__spread) || function () {
|
|
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
|
|
return ar;
|
|
};
|
|
exports.__esModule = true;
|
|
function mergeUnique(key, uniques, getter) {
|
|
var uniquesSet = new Set(uniques);
|
|
return function (a, b, k) {
|
|
return (k === key) && Array.from(__spread(a, b).map(function (it) { return ({ key: getter(it), value: it }); })
|
|
.map(function (_a) {
|
|
var key = _a.key, value = _a.value;
|
|
return ({ key: (uniquesSet.has(key) ? key : value), value: value });
|
|
})
|
|
.reduce(function (m, _a) {
|
|
var key = _a.key, value = _a.value;
|
|
m["delete"](key); // This is required to preserve backward compatible order of elements after a merge.
|
|
return m.set(key, value);
|
|
}, new Map())
|
|
.values());
|
|
};
|
|
}
|
|
exports["default"] = mergeUnique;
|
|
//# sourceMappingURL=unique.js.map
|