{"version":3,"file":"ssr.cjs","sources":["RenderPromises.js","getDataFromTree.js","renderToStringWithData.js"],"sourcesContent":["function makeDefaultQueryInfo() {\n    return {\n        seen: false,\n        observable: null,\n    };\n}\nvar RenderPromises = /** @class */ (function () {\n    function RenderPromises() {\n        // Map from Query component instances to pending fetchData promises.\n        this.queryPromises = new Map();\n        // Two-layered map from (query document, stringified variables) to QueryInfo\n        // objects. These QueryInfo objects are intended to survive through the whole\n        // getMarkupFromTree process, whereas specific Query instances do not survive\n        // beyond a single call to renderToStaticMarkup.\n        this.queryInfoTrie = new Map();\n        this.stopped = false;\n    }\n    RenderPromises.prototype.stop = function () {\n        if (!this.stopped) {\n            this.queryPromises.clear();\n            this.queryInfoTrie.clear();\n            this.stopped = true;\n        }\n    };\n    // Registers the server side rendered observable.\n    RenderPromises.prototype.registerSSRObservable = function (observable) {\n        if (this.stopped)\n            return;\n        this.lookupQueryInfo(observable.options).observable = observable;\n    };\n    // Get's the cached observable that matches the SSR Query instances query and variables.\n    RenderPromises.prototype.getSSRObservable = function (props) {\n        return this.lookupQueryInfo(props).observable;\n    };\n    RenderPromises.prototype.addQueryPromise = function (queryInstance, finish) {\n        if (!this.stopped) {\n            var info = this.lookupQueryInfo(queryInstance.getOptions());\n            if (!info.seen) {\n                this.queryPromises.set(queryInstance.getOptions(), new Promise(function (resolve) {\n                    resolve(queryInstance.fetchData());\n                }));\n                // Render null to abandon this subtree for this rendering, so that we\n                // can wait for the data to arrive.\n                return null;\n            }\n        }\n        return finish ? finish() : null;\n    };\n    RenderPromises.prototype.addObservableQueryPromise = function (obsQuery) {\n        return this.addQueryPromise({\n            // The only options which seem to actually be used by the\n            // RenderPromises class are query and variables.\n            getOptions: function () { return obsQuery.options; },\n            fetchData: function () {\n                return new Promise(function (resolve) {\n                    var sub = obsQuery.subscribe({\n                        next: function (result) {\n                            if (!result.loading) {\n                                resolve();\n                                sub.unsubscribe();\n                            }\n                        },\n                        error: function () {\n                            resolve();\n                            sub.unsubscribe();\n                        },\n                        complete: function () {\n                            resolve();\n                        },\n                    });\n                });\n            },\n        });\n    };\n    RenderPromises.prototype.hasPromises = function () {\n        return this.queryPromises.size > 0;\n    };\n    RenderPromises.prototype.consumeAndAwaitPromises = function () {\n        var _this = this;\n        var promises = [];\n        this.queryPromises.forEach(function (promise, queryInstance) {\n            // Make sure we never try to call fetchData for this query document and\n            // these variables again. Since the queryInstance objects change with\n            // every rendering, deduplicating them by query and variables is the\n            // best we can do. If a different Query component happens to have the\n            // same query document and variables, it will be immediately rendered\n            // by calling finish() in addQueryPromise, which could result in the\n            // rendering of an unwanted loading state, but that's not nearly as bad\n            // as getting stuck in an infinite rendering loop because we kept calling\n            // queryInstance.fetchData for the same Query component indefinitely.\n            _this.lookupQueryInfo(queryInstance).seen = true;\n            promises.push(promise);\n        });\n        this.queryPromises.clear();\n        return Promise.all(promises);\n    };\n    RenderPromises.prototype.lookupQueryInfo = function (props) {\n        var queryInfoTrie = this.queryInfoTrie;\n        var query = props.query, variables = props.variables;\n        var varMap = queryInfoTrie.get(query) || new Map();\n        if (!queryInfoTrie.has(query))\n            queryInfoTrie.set(query, varMap);\n        var variablesString = JSON.stringify(variables);\n        var info = varMap.get(variablesString) || makeDefaultQueryInfo();\n        if (!varMap.has(variablesString))\n            varMap.set(variablesString, info);\n        return info;\n    };\n    return RenderPromises;\n}());\nexport { RenderPromises };\n//# sourceMappingURL=RenderPromises.js.map","import { __assign } from \"tslib\";\nimport * as React from \"rehackt\";\nimport { getApolloContext } from \"../context/index.js\";\nimport { RenderPromises } from \"./RenderPromises.js\";\nimport { renderToStaticMarkup } from \"react-dom/server\";\nexport function getDataFromTree(tree, context) {\n    if (context === void 0) { context = {}; }\n    return getMarkupFromTree({\n        tree: tree,\n        context: context,\n        // If you need to configure this renderFunction, call getMarkupFromTree\n        // directly instead of getDataFromTree.\n        renderFunction: renderToStaticMarkup,\n    });\n}\nexport function getMarkupFromTree(_a) {\n    var tree = _a.tree, _b = _a.context, context = _b === void 0 ? {} : _b, \n    // The rendering function is configurable! We use renderToStaticMarkup as\n    // the default, because it's a little less expensive than renderToString,\n    // and legacy usage of getDataFromTree ignores the return value anyway.\n    _c = _a.renderFunction, \n    // The rendering function is configurable! We use renderToStaticMarkup as\n    // the default, because it's a little less expensive than renderToString,\n    // and legacy usage of getDataFromTree ignores the return value anyway.\n    renderFunction = _c === void 0 ? renderToStaticMarkup : _c;\n    var renderPromises = new RenderPromises();\n    function process() {\n        // Always re-render from the rootElement, even though it might seem\n        // better to render the children of the component responsible for the\n        // promise, because it is not possible to reconstruct the full context\n        // of the original rendering (including all unknown context provider\n        // elements) for a subtree of the original component tree.\n        var ApolloContext = getApolloContext();\n        return new Promise(function (resolve) {\n            var element = React.createElement(ApolloContext.Provider, { value: __assign(__assign({}, context), { renderPromises: renderPromises }) }, tree);\n            resolve(renderFunction(element));\n        })\n            .then(function (html) {\n            return renderPromises.hasPromises() ?\n                renderPromises.consumeAndAwaitPromises().then(process)\n                : html;\n        })\n            .finally(function () {\n            renderPromises.stop();\n        });\n    }\n    return Promise.resolve().then(process);\n}\n//# sourceMappingURL=getDataFromTree.js.map","import { getMarkupFromTree } from \"./getDataFromTree.js\";\nimport { renderToString } from \"react-dom/server\";\nexport function renderToStringWithData(component) {\n    return getMarkupFromTree({\n        tree: component,\n        renderFunction: renderToString,\n    });\n}\n//# 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