| 1 | import React from "react";
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| 2 | import invariant from "tiny-invariant";
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| 3 |
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| 4 | import Context from "./RouterContext.js";
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| 5 | import HistoryContext from "./HistoryContext.js";
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| 6 | import matchPath from "./matchPath.js";
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| 7 |
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| 8 | const useContext = React.useContext;
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| 9 |
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| 10 | export function useHistory() {
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| 11 | if (__DEV__) {
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| 12 | invariant(
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| 13 | typeof useContext === "function",
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| 14 | "You must use React >= 16.8 in order to use useHistory()"
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| 15 | );
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| 16 | }
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| 17 |
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| 18 | return useContext(HistoryContext);
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| 19 | }
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| 20 |
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| 21 | export function useLocation() {
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| 22 | if (__DEV__) {
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| 23 | invariant(
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| 24 | typeof useContext === "function",
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| 25 | "You must use React >= 16.8 in order to use useLocation()"
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| 26 | );
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| 27 | }
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| 28 |
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| 29 | return useContext(Context).location;
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| 30 | }
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| 31 |
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| 32 | export function useParams() {
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| 33 | if (__DEV__) {
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| 34 | invariant(
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| 35 | typeof useContext === "function",
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| 36 | "You must use React >= 16.8 in order to use useParams()"
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| 37 | );
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| 38 | }
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| 39 |
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| 40 | const match = useContext(Context).match;
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| 41 | return match ? match.params : {};
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| 42 | }
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| 43 |
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| 44 | export function useRouteMatch(path) {
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| 45 | if (__DEV__) {
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| 46 | invariant(
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| 47 | typeof useContext === "function",
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| 48 | "You must use React >= 16.8 in order to use useRouteMatch()"
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| 49 | );
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| 50 | }
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| 51 |
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| 52 | const location = useLocation();
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| 53 | const match = useContext(Context).match;
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| 54 |
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| 55 | return path ? matchPath(location.pathname, path) : match;
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| 56 | }
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