useEffect.js 678 B

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  1. "use strict";
  2. var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
  3. Object.defineProperty(exports, "__esModule", {
  4. value: true
  5. });
  6. exports.default = useEffect;
  7. var React = _interopRequireWildcard(require("react"));
  8. /** As `React.useEffect` but pass origin value in callback and not need care deps length change. */
  9. function useEffect(callback, deps) {
  10. var prevRef = React.useRef(deps);
  11. React.useEffect(function () {
  12. if (deps.length !== prevRef.current.length || deps.some(function (dep, index) {
  13. return dep !== prevRef.current[index];
  14. })) {
  15. callback(prevRef.current);
  16. }
  17. prevRef.current = deps;
  18. });
  19. }