| 1 | ;
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | exports.uid = exports.generateUID = void 0;
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| 4 | /**
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| 5 | * generates a UID factory
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| 6 | * @internal
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| 7 | * @example
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| 8 | * const uid = generateUID();
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| 9 | * uid(object) = 1;
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| 10 | * uid(object) = 1;
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| 11 | * uid(anotherObject) = 2;
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| 12 | */
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| 13 | var generateUID = function () {
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| 14 | var counter = 1;
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| 15 | var map = new WeakMap();
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| 16 | /**
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| 17 | * @borrows {uid}
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| 18 | */
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| 19 | var uid = function (item, index) {
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| 20 | if (typeof item === 'number' || typeof item === 'string') {
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| 21 | return index ? "idx-".concat(index) : "val-".concat(item);
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| 22 | }
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| 23 | if (!map.has(item)) {
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| 24 | map.set(item, counter++);
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| 25 | return uid(item);
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| 26 | }
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| 27 | return 'uid' + map.get(item);
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| 28 | };
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| 29 | return uid;
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| 30 | };
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| 31 | exports.generateUID = generateUID;
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| 32 | /**
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| 33 | * @name uid
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| 34 | * returns an UID associated with {item}
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| 35 | * @param {Object} item - object to generate UID for
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| 36 | * @param {Number} index, a fallback index
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| 37 | * @example
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| 38 | * uid(object) == 1;
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| 39 | * uid(object) == 1;
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| 40 | * uid(anotherObject) == 2;
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| 41 | * uid("not object", 42) == 42
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| 42 | *
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| 43 | * @see {@link useUID}
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| 44 | */
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| 45 | exports.uid = (0, exports.generateUID)();
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