103 lines
2.8 KiB
JavaScript
103 lines
2.8 KiB
JavaScript
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import React from "react";
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import PropTypes from "prop-types";
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import { createLocation, createPath } from "history";
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import invariant from "tiny-invariant";
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import warning from "tiny-warning";
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import Router from "./Router";
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function addLeadingSlash(path) {
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return path.charAt(0) === "/" ? path : "/" + path;
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}
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function addBasename(basename, location) {
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if (!basename) return location;
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return {
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...location,
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pathname: addLeadingSlash(basename) + location.pathname
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};
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}
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function stripBasename(basename, location) {
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if (!basename) return location;
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const base = addLeadingSlash(basename);
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if (location.pathname.indexOf(base) !== 0) return location;
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return {
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...location,
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pathname: location.pathname.substr(base.length)
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};
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}
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function createURL(location) {
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return typeof location === "string" ? location : createPath(location);
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}
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function staticHandler(methodName) {
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return () => {
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invariant(false, "You cannot %s with <StaticRouter>", methodName);
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};
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}
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function noop() {}
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/**
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* The public top-level API for a "static" <Router>, so-called because it
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* can't actually change the current location. Instead, it just records
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* location changes in a context object. Useful mainly in testing and
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* server-rendering scenarios.
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*/
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class StaticRouter extends React.Component {
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navigateTo(location, action) {
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const { basename = "", context = {} } = this.props;
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context.action = action;
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context.location = addBasename(basename, createLocation(location));
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context.url = createURL(context.location);
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}
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handlePush = location => this.navigateTo(location, "PUSH");
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handleReplace = location => this.navigateTo(location, "REPLACE");
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handleListen = () => noop;
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handleBlock = () => noop;
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render() {
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const { basename = "", context = {}, location = "/", ...rest } = this.props;
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const history = {
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createHref: path => addLeadingSlash(basename + createURL(path)),
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action: "POP",
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location: stripBasename(basename, createLocation(location)),
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push: this.handlePush,
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replace: this.handleReplace,
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go: staticHandler("go"),
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goBack: staticHandler("goBack"),
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goForward: staticHandler("goForward"),
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listen: this.handleListen,
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block: this.handleBlock
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};
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return <Router {...rest} history={history} staticContext={context} />;
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}
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}
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if (__DEV__) {
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StaticRouter.propTypes = {
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basename: PropTypes.string,
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context: PropTypes.object,
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location: PropTypes.oneOfType([PropTypes.string, PropTypes.object])
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};
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StaticRouter.prototype.componentDidMount = function() {
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warning(
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!this.props.history,
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"<StaticRouter> ignores the history prop. To use a custom history, " +
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"use `import { Router }` instead of `import { StaticRouter as Router }`."
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);
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};
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}
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export default StaticRouter;
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