misc-utils-of-mine-generic
Version:
Miscellaneous utilities for JavaScript/TypeScript that I often use
36 lines • 1.9 kB
JavaScript
var __spreadArrays = (this && this.__spreadArrays) || function () {
for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
for (var r = Array(s), k = 0, i = 0; i < il; i++)
for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
r[k] = a[j];
return r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.arrayDifference = exports.arrayInterception = exports.arrayUnion = exports.unionEquals = void 0;
var filter_1 = require("./filter");
function unionEquals(a, b, predicate, output) {
if (predicate === void 0) { predicate = function (a, b) { return a === b; }; }
var r = filter_1.dedup(__spreadArrays(a, b), predicate);
output && output.push.apply(output, filter_1.dedup(__spreadArrays(r, output), predicate));
return r;
}
exports.unionEquals = unionEquals;
exports.arrayUnion = unionEquals;
function arrayInterception(a, b, predicate, output) {
if (predicate === void 0) { predicate = function (a, b) { return a === b; }; }
var r = a.filter(function (a) { return b.find(function (b) { return predicate(a, b); }); });
r = filter_1.dedup(r, predicate);
output && output.push.apply(output, filter_1.dedup(__spreadArrays(r, output), predicate));
return r;
}
exports.arrayInterception = arrayInterception;
function arrayDifference(a, b, predicate, output) {
if (predicate === void 0) { predicate = function (a, b) { return a === b; }; }
var r = a.filter(function (a) { return !b.find(function (b) { return predicate(a, b); }); }).concat(b.filter(function (b) { return !a.find(function (a) { return predicate(b, a); }); }));
r = filter_1.dedup(r, predicate);
output && output.push.apply(output, filter_1.dedup(__spreadArrays(r, output), predicate));
return r;
}
exports.arrayDifference = arrayDifference;
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