81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.composeRef = composeRef;
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exports.fillRef = fillRef;
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exports.supportNodeRef = supportNodeRef;
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exports.supportRef = supportRef;
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exports.useComposeRef = useComposeRef;
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var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
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var _react = require("react");
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var _reactIs = require("react-is");
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var _useMemo = _interopRequireDefault(require("./hooks/useMemo"));
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/* eslint-disable no-param-reassign */
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function fillRef(ref, node) {
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if (typeof ref === 'function') {
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ref(node);
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} else if ((0, _typeof2.default)(ref) === 'object' && ref && 'current' in ref) {
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ref.current = node;
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}
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}
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/**
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* Merge refs into one ref function to support ref passing.
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*/
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function composeRef() {
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for (var _len = arguments.length, refs = new Array(_len), _key = 0; _key < _len; _key++) {
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refs[_key] = arguments[_key];
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}
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var refList = refs.filter(function (ref) {
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return ref;
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});
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if (refList.length <= 1) {
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return refList[0];
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}
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return function (node) {
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refs.forEach(function (ref) {
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fillRef(ref, node);
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});
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};
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}
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function useComposeRef() {
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for (var _len2 = arguments.length, refs = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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refs[_key2] = arguments[_key2];
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}
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return (0, _useMemo.default)(function () {
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return composeRef.apply(void 0, refs);
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}, refs, function (prev, next) {
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return prev.length !== next.length || prev.every(function (ref, i) {
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return ref !== next[i];
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});
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});
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}
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function supportRef(nodeOrComponent) {
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var _type$prototype, _nodeOrComponent$prot;
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var type = (0, _reactIs.isMemo)(nodeOrComponent) ? nodeOrComponent.type.type : nodeOrComponent.type;
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// Function component node
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if (typeof type === 'function' && !((_type$prototype = type.prototype) !== null && _type$prototype !== void 0 && _type$prototype.render)) {
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return false;
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}
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// Class component
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if (typeof nodeOrComponent === 'function' && !((_nodeOrComponent$prot = nodeOrComponent.prototype) !== null && _nodeOrComponent$prot !== void 0 && _nodeOrComponent$prot.render)) {
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return false;
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}
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return true;
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}
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function supportNodeRef(node) {
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if (! /*#__PURE__*/(0, _react.isValidElement)(node)) {
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return false;
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}
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if ((0, _reactIs.isFragment)(node)) {
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return false;
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}
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return supportRef(node);
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}
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/* eslint-enable */ |