apollo-cache-inmemory
Version:
Core abstract of Caching layer for Apollo Client
318 lines • 14.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var apollo_utilities_1 = require("apollo-utilities");
var optimism_1 = require("optimism");
var depTrackingCache_1 = require("./depTrackingCache");
var ts_invariant_1 = require("ts-invariant");
var StoreReader = (function () {
function StoreReader(_a) {
var _this = this;
var _b = _a === void 0 ? {} : _a, _c = _b.cacheKeyRoot, cacheKeyRoot = _c === void 0 ? new optimism_1.KeyTrie(apollo_utilities_1.canUseWeakMap) : _c, _d = _b.freezeResults, freezeResults = _d === void 0 ? false : _d;
var _e = this, executeStoreQuery = _e.executeStoreQuery, executeSelectionSet = _e.executeSelectionSet, executeSubSelectedArray = _e.executeSubSelectedArray;
this.freezeResults = freezeResults;
this.executeStoreQuery = optimism_1.wrap(function (options) {
return executeStoreQuery.call(_this, options);
}, {
makeCacheKey: function (_a) {
var query = _a.query, rootValue = _a.rootValue, contextValue = _a.contextValue, variableValues = _a.variableValues, fragmentMatcher = _a.fragmentMatcher;
if (contextValue.store instanceof depTrackingCache_1.DepTrackingCache) {
return cacheKeyRoot.lookup(contextValue.store, query, fragmentMatcher, JSON.stringify(variableValues), rootValue.id);
}
}
});
this.executeSelectionSet = optimism_1.wrap(function (options) {
return executeSelectionSet.call(_this, options);
}, {
makeCacheKey: function (_a) {
var selectionSet = _a.selectionSet, rootValue = _a.rootValue, execContext = _a.execContext;
if (execContext.contextValue.store instanceof depTrackingCache_1.DepTrackingCache) {
return cacheKeyRoot.lookup(execContext.contextValue.store, selectionSet, execContext.fragmentMatcher, JSON.stringify(execContext.variableValues), rootValue.id);
}
}
});
this.executeSubSelectedArray = optimism_1.wrap(function (options) {
return executeSubSelectedArray.call(_this, options);
}, {
makeCacheKey: function (_a) {
var field = _a.field, array = _a.array, execContext = _a.execContext;
if (execContext.contextValue.store instanceof depTrackingCache_1.DepTrackingCache) {
return cacheKeyRoot.lookup(execContext.contextValue.store, field, array, JSON.stringify(execContext.variableValues));
}
}
});
}
StoreReader.prototype.readQueryFromStore = function (options) {
return this.diffQueryAgainstStore(tslib_1.__assign(tslib_1.__assign({}, options), { returnPartialData: false })).result;
};
StoreReader.prototype.diffQueryAgainstStore = function (_a) {
var store = _a.store, query = _a.query, variables = _a.variables, previousResult = _a.previousResult, _b = _a.returnPartialData, returnPartialData = _b === void 0 ? true : _b, _c = _a.rootId, rootId = _c === void 0 ? 'ROOT_QUERY' : _c, fragmentMatcherFunction = _a.fragmentMatcherFunction, config = _a.config;
var queryDefinition = apollo_utilities_1.getQueryDefinition(query);
variables = apollo_utilities_1.assign({}, apollo_utilities_1.getDefaultValues(queryDefinition), variables);
var context = {
store: store,
dataIdFromObject: config && config.dataIdFromObject,
cacheRedirects: (config && config.cacheRedirects) || {},
};
var execResult = this.executeStoreQuery({
query: query,
rootValue: {
type: 'id',
id: rootId,
generated: true,
typename: 'Query',
},
contextValue: context,
variableValues: variables,
fragmentMatcher: fragmentMatcherFunction,
});
var hasMissingFields = execResult.missing && execResult.missing.length > 0;
if (hasMissingFields && !returnPartialData) {
execResult.missing.forEach(function (info) {
if (info.tolerable)
return;
throw new ts_invariant_1.InvariantError("Can't find field " + info.fieldName + " on object " + JSON.stringify(info.object, null, 2) + ".");
});
}
if (previousResult) {
if (apollo_utilities_1.isEqual(previousResult, execResult.result)) {
execResult.result = previousResult;
}
}
return {
result: execResult.result,
complete: !hasMissingFields,
};
};
StoreReader.prototype.executeStoreQuery = function (_a) {
var query = _a.query, rootValue = _a.rootValue, contextValue = _a.contextValue, variableValues = _a.variableValues, _b = _a.fragmentMatcher, fragmentMatcher = _b === void 0 ? defaultFragmentMatcher : _b;
var mainDefinition = apollo_utilities_1.getMainDefinition(query);
var fragments = apollo_utilities_1.getFragmentDefinitions(query);
var fragmentMap = apollo_utilities_1.createFragmentMap(fragments);
var execContext = {
query: query,
fragmentMap: fragmentMap,
contextValue: contextValue,
variableValues: variableValues,
fragmentMatcher: fragmentMatcher,
};
return this.executeSelectionSet({
selectionSet: mainDefinition.selectionSet,
rootValue: rootValue,
execContext: execContext,
});
};
StoreReader.prototype.executeSelectionSet = function (_a) {
var _this = this;
var selectionSet = _a.selectionSet, rootValue = _a.rootValue, execContext = _a.execContext;
var fragmentMap = execContext.fragmentMap, contextValue = execContext.contextValue, variables = execContext.variableValues;
var finalResult = { result: null };
var objectsToMerge = [];
var object = contextValue.store.get(rootValue.id);
var typename = (object && object.__typename) ||
(rootValue.id === 'ROOT_QUERY' && 'Query') ||
void 0;
function handleMissing(result) {
var _a;
if (result.missing) {
finalResult.missing = finalResult.missing || [];
(_a = finalResult.missing).push.apply(_a, result.missing);
}
return result.result;
}
selectionSet.selections.forEach(function (selection) {
var _a;
if (!apollo_utilities_1.shouldInclude(selection, variables)) {
return;
}
if (apollo_utilities_1.isField(selection)) {
var fieldResult = handleMissing(_this.executeField(object, typename, selection, execContext));
if (typeof fieldResult !== 'undefined') {
objectsToMerge.push((_a = {},
_a[apollo_utilities_1.resultKeyNameFromField(selection)] = fieldResult,
_a));
}
}
else {
var fragment = void 0;
if (apollo_utilities_1.isInlineFragment(selection)) {
fragment = selection;
}
else {
fragment = fragmentMap[selection.name.value];
if (!fragment) {
throw new ts_invariant_1.InvariantError("No fragment named " + selection.name.value);
}
}
var typeCondition = fragment.typeCondition && fragment.typeCondition.name.value;
var match = !typeCondition ||
execContext.fragmentMatcher(rootValue, typeCondition, contextValue);
if (match) {
var fragmentExecResult = _this.executeSelectionSet({
selectionSet: fragment.selectionSet,
rootValue: rootValue,
execContext: execContext,
});
if (match === 'heuristic' && fragmentExecResult.missing) {
fragmentExecResult = tslib_1.__assign(tslib_1.__assign({}, fragmentExecResult), { missing: fragmentExecResult.missing.map(function (info) {
return tslib_1.__assign(tslib_1.__assign({}, info), { tolerable: true });
}) });
}
objectsToMerge.push(handleMissing(fragmentExecResult));
}
}
});
finalResult.result = apollo_utilities_1.mergeDeepArray(objectsToMerge);
if (this.freezeResults && process.env.NODE_ENV !== 'production') {
Object.freeze(finalResult.result);
}
return finalResult;
};
StoreReader.prototype.executeField = function (object, typename, field, execContext) {
var variables = execContext.variableValues, contextValue = execContext.contextValue;
var fieldName = field.name.value;
var args = apollo_utilities_1.argumentsObjectFromField(field, variables);
var info = {
resultKey: apollo_utilities_1.resultKeyNameFromField(field),
directives: apollo_utilities_1.getDirectiveInfoFromField(field, variables),
};
var readStoreResult = readStoreResolver(object, typename, fieldName, args, contextValue, info);
if (Array.isArray(readStoreResult.result)) {
return this.combineExecResults(readStoreResult, this.executeSubSelectedArray({
field: field,
array: readStoreResult.result,
execContext: execContext,
}));
}
if (!field.selectionSet) {
assertSelectionSetForIdValue(field, readStoreResult.result);
if (this.freezeResults && process.env.NODE_ENV !== 'production') {
apollo_utilities_1.maybeDeepFreeze(readStoreResult);
}
return readStoreResult;
}
if (readStoreResult.result == null) {
return readStoreResult;
}
return this.combineExecResults(readStoreResult, this.executeSelectionSet({
selectionSet: field.selectionSet,
rootValue: readStoreResult.result,
execContext: execContext,
}));
};
StoreReader.prototype.combineExecResults = function () {
var execResults = [];
for (var _i = 0; _i < arguments.length; _i++) {
execResults[_i] = arguments[_i];
}
var missing;
execResults.forEach(function (execResult) {
if (execResult.missing) {
missing = missing || [];
missing.push.apply(missing, execResult.missing);
}
});
return {
result: execResults.pop().result,
missing: missing,
};
};
StoreReader.prototype.executeSubSelectedArray = function (_a) {
var _this = this;
var field = _a.field, array = _a.array, execContext = _a.execContext;
var missing;
function handleMissing(childResult) {
if (childResult.missing) {
missing = missing || [];
missing.push.apply(missing, childResult.missing);
}
return childResult.result;
}
array = array.map(function (item) {
if (item === null) {
return null;
}
if (Array.isArray(item)) {
return handleMissing(_this.executeSubSelectedArray({
field: field,
array: item,
execContext: execContext,
}));
}
if (field.selectionSet) {
return handleMissing(_this.executeSelectionSet({
selectionSet: field.selectionSet,
rootValue: item,
execContext: execContext,
}));
}
assertSelectionSetForIdValue(field, item);
return item;
});
if (this.freezeResults && process.env.NODE_ENV !== 'production') {
Object.freeze(array);
}
return { result: array, missing: missing };
};
return StoreReader;
}());
exports.StoreReader = StoreReader;
function assertSelectionSetForIdValue(field, value) {
if (!field.selectionSet && apollo_utilities_1.isIdValue(value)) {
throw new ts_invariant_1.InvariantError("Missing selection set for object of type " + value.typename + " returned for query field " + field.name.value);
}
}
function defaultFragmentMatcher() {
return true;
}
function assertIdValue(idValue) {
ts_invariant_1.invariant(apollo_utilities_1.isIdValue(idValue), "Encountered a sub-selection on the query, but the store doesn't have an object reference. This should never happen during normal use unless you have custom code that is directly manipulating the store; please file an issue.");
}
exports.assertIdValue = assertIdValue;
function readStoreResolver(object, typename, fieldName, args, context, _a) {
var resultKey = _a.resultKey, directives = _a.directives;
var storeKeyName = fieldName;
if (args || directives) {
storeKeyName = apollo_utilities_1.getStoreKeyName(storeKeyName, args, directives);
}
var fieldValue = void 0;
if (object) {
fieldValue = object[storeKeyName];
if (typeof fieldValue === 'undefined' &&
context.cacheRedirects &&
typeof typename === 'string') {
var type = context.cacheRedirects[typename];
if (type) {
var resolver = type[fieldName];
if (resolver) {
fieldValue = resolver(object, args, {
getCacheKey: function (storeObj) {
var id = context.dataIdFromObject(storeObj);
return id && apollo_utilities_1.toIdValue({
id: id,
typename: storeObj.__typename,
});
},
});
}
}
}
}
if (typeof fieldValue === 'undefined') {
return {
result: fieldValue,
missing: [{
object: object,
fieldName: storeKeyName,
tolerable: false,
}],
};
}
if (apollo_utilities_1.isJsonValue(fieldValue)) {
fieldValue = fieldValue.json;
}
return {
result: fieldValue,
};
}
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