@apollo/client
Version:
A fully-featured caching GraphQL client.
1,341 lines (1,307 loc) • 314 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var tslib = require('tslib');
var tsInvariant = require('ts-invariant');
var equality = require('@wry/equality');
var zenObservableTs = require('zen-observable-ts');
require('symbol-observable');
var graphql = require('graphql');
var optimism = require('optimism');
var context = require('@wry/context');
var trie = require('@wry/trie');
var graphqlTag = require('graphql-tag');
var React = require('react');
function _interopNamespace(e) {
if (e && e.__esModule) return e;
var n = Object.create(null);
if (e) {
for (var k in e) {
n[k] = e[k];
}
}
n["default"] = e;
return Object.freeze(n);
}
var React__namespace = /*#__PURE__*/_interopNamespace(React);
function maybe(thunk) {
try {
return thunk();
}
catch (_a) { }
}
function shouldInclude(_a, variables) {
var directives = _a.directives;
if (!directives || !directives.length) {
return true;
}
return getInclusionDirectives(directives).every(function (_a) {
var directive = _a.directive, ifArgument = _a.ifArgument;
var evaledValue = false;
if (ifArgument.value.kind === 'Variable') {
evaledValue = variables && variables[ifArgument.value.name.value];
__DEV__ ? tsInvariant.invariant(evaledValue !== void 0, "Invalid variable referenced in @".concat(directive.name.value, " directive.")) : tsInvariant.invariant(evaledValue !== void 0, 40);
}
else {
evaledValue = ifArgument.value.value;
}
return directive.name.value === 'skip' ? !evaledValue : evaledValue;
});
}
function hasDirectives(names, root, all) {
var nameSet = new Set(names);
var uniqueCount = nameSet.size;
graphql.visit(root, {
Directive: function (node) {
if (nameSet.delete(node.name.value) &&
(!all || !nameSet.size)) {
return graphql.BREAK;
}
},
});
return all ? !nameSet.size : nameSet.size < uniqueCount;
}
function hasClientExports(document) {
return document && hasDirectives(['client', 'export'], document, true);
}
function isInclusionDirective(_a) {
var value = _a.name.value;
return value === 'skip' || value === 'include';
}
function getInclusionDirectives(directives) {
var result = [];
if (directives && directives.length) {
directives.forEach(function (directive) {
if (!isInclusionDirective(directive))
return;
var directiveArguments = directive.arguments;
var directiveName = directive.name.value;
__DEV__ ? tsInvariant.invariant(directiveArguments && directiveArguments.length === 1, "Incorrect number of arguments for the @".concat(directiveName, " directive.")) : tsInvariant.invariant(directiveArguments && directiveArguments.length === 1, 41);
var ifArgument = directiveArguments[0];
__DEV__ ? tsInvariant.invariant(ifArgument.name && ifArgument.name.value === 'if', "Invalid argument for the @".concat(directiveName, " directive.")) : tsInvariant.invariant(ifArgument.name && ifArgument.name.value === 'if', 42);
var ifValue = ifArgument.value;
__DEV__ ? tsInvariant.invariant(ifValue &&
(ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), "Argument for the @".concat(directiveName, " directive must be a variable or a boolean value.")) : tsInvariant.invariant(ifValue &&
(ifValue.kind === 'Variable' || ifValue.kind === 'BooleanValue'), 43);
result.push({ directive: directive, ifArgument: ifArgument });
});
}
return result;
}
function getFragmentQueryDocument(document, fragmentName) {
var actualFragmentName = fragmentName;
var fragments = [];
document.definitions.forEach(function (definition) {
if (definition.kind === 'OperationDefinition') {
throw __DEV__ ? new tsInvariant.InvariantError("Found a ".concat(definition.operation, " operation").concat(definition.name ? " named '".concat(definition.name.value, "'") : '', ". ") +
'No operations are allowed when using a fragment as a query. Only fragments are allowed.') : new tsInvariant.InvariantError(44);
}
if (definition.kind === 'FragmentDefinition') {
fragments.push(definition);
}
});
if (typeof actualFragmentName === 'undefined') {
__DEV__ ? tsInvariant.invariant(fragments.length === 1, "Found ".concat(fragments.length, " fragments. `fragmentName` must be provided when there is not exactly 1 fragment.")) : tsInvariant.invariant(fragments.length === 1, 45);
actualFragmentName = fragments[0].name.value;
}
var query = tslib.__assign(tslib.__assign({}, document), { definitions: tslib.__spreadArray([
{
kind: 'OperationDefinition',
operation: 'query',
selectionSet: {
kind: 'SelectionSet',
selections: [
{
kind: 'FragmentSpread',
name: {
kind: 'Name',
value: actualFragmentName,
},
},
],
},
}
], document.definitions, true) });
return query;
}
function createFragmentMap(fragments) {
if (fragments === void 0) { fragments = []; }
var symTable = {};
fragments.forEach(function (fragment) {
symTable[fragment.name.value] = fragment;
});
return symTable;
}
function getFragmentFromSelection(selection, fragmentMap) {
switch (selection.kind) {
case 'InlineFragment':
return selection;
case 'FragmentSpread': {
var fragmentName = selection.name.value;
if (typeof fragmentMap === "function") {
return fragmentMap(fragmentName);
}
var fragment = fragmentMap && fragmentMap[fragmentName];
__DEV__ ? tsInvariant.invariant(fragment, "No fragment named ".concat(fragmentName)) : tsInvariant.invariant(fragment, 46);
return fragment || null;
}
default:
return null;
}
}
function isNonNullObject(obj) {
return obj !== null && typeof obj === 'object';
}
function makeReference(id) {
return { __ref: String(id) };
}
function isReference(obj) {
return Boolean(obj && typeof obj === 'object' && typeof obj.__ref === 'string');
}
function isDocumentNode(value) {
return (isNonNullObject(value) &&
value.kind === "Document" &&
Array.isArray(value.definitions));
}
function isStringValue(value) {
return value.kind === 'StringValue';
}
function isBooleanValue(value) {
return value.kind === 'BooleanValue';
}
function isIntValue(value) {
return value.kind === 'IntValue';
}
function isFloatValue(value) {
return value.kind === 'FloatValue';
}
function isVariable(value) {
return value.kind === 'Variable';
}
function isObjectValue(value) {
return value.kind === 'ObjectValue';
}
function isListValue(value) {
return value.kind === 'ListValue';
}
function isEnumValue(value) {
return value.kind === 'EnumValue';
}
function isNullValue(value) {
return value.kind === 'NullValue';
}
function valueToObjectRepresentation(argObj, name, value, variables) {
if (isIntValue(value) || isFloatValue(value)) {
argObj[name.value] = Number(value.value);
}
else if (isBooleanValue(value) || isStringValue(value)) {
argObj[name.value] = value.value;
}
else if (isObjectValue(value)) {
var nestedArgObj_1 = {};
value.fields.map(function (obj) {
return valueToObjectRepresentation(nestedArgObj_1, obj.name, obj.value, variables);
});
argObj[name.value] = nestedArgObj_1;
}
else if (isVariable(value)) {
var variableValue = (variables || {})[value.name.value];
argObj[name.value] = variableValue;
}
else if (isListValue(value)) {
argObj[name.value] = value.values.map(function (listValue) {
var nestedArgArrayObj = {};
valueToObjectRepresentation(nestedArgArrayObj, name, listValue, variables);
return nestedArgArrayObj[name.value];
});
}
else if (isEnumValue(value)) {
argObj[name.value] = value.value;
}
else if (isNullValue(value)) {
argObj[name.value] = null;
}
else {
throw __DEV__ ? new tsInvariant.InvariantError("The inline argument \"".concat(name.value, "\" of kind \"").concat(value.kind, "\"") +
'is not supported. Use variables instead of inline arguments to ' +
'overcome this limitation.') : new tsInvariant.InvariantError(55);
}
}
function storeKeyNameFromField(field, variables) {
var directivesObj = null;
if (field.directives) {
directivesObj = {};
field.directives.forEach(function (directive) {
directivesObj[directive.name.value] = {};
if (directive.arguments) {
directive.arguments.forEach(function (_a) {
var name = _a.name, value = _a.value;
return valueToObjectRepresentation(directivesObj[directive.name.value], name, value, variables);
});
}
});
}
var argObj = null;
if (field.arguments && field.arguments.length) {
argObj = {};
field.arguments.forEach(function (_a) {
var name = _a.name, value = _a.value;
return valueToObjectRepresentation(argObj, name, value, variables);
});
}
return getStoreKeyName(field.name.value, argObj, directivesObj);
}
var KNOWN_DIRECTIVES = [
'connection',
'include',
'skip',
'client',
'rest',
'export',
];
var getStoreKeyName = Object.assign(function (fieldName, args, directives) {
if (args &&
directives &&
directives['connection'] &&
directives['connection']['key']) {
if (directives['connection']['filter'] &&
directives['connection']['filter'].length > 0) {
var filterKeys = directives['connection']['filter']
? directives['connection']['filter']
: [];
filterKeys.sort();
var filteredArgs_1 = {};
filterKeys.forEach(function (key) {
filteredArgs_1[key] = args[key];
});
return "".concat(directives['connection']['key'], "(").concat(stringify(filteredArgs_1), ")");
}
else {
return directives['connection']['key'];
}
}
var completeFieldName = fieldName;
if (args) {
var stringifiedArgs = stringify(args);
completeFieldName += "(".concat(stringifiedArgs, ")");
}
if (directives) {
Object.keys(directives).forEach(function (key) {
if (KNOWN_DIRECTIVES.indexOf(key) !== -1)
return;
if (directives[key] && Object.keys(directives[key]).length) {
completeFieldName += "@".concat(key, "(").concat(stringify(directives[key]), ")");
}
else {
completeFieldName += "@".concat(key);
}
});
}
return completeFieldName;
}, {
setStringify: function (s) {
var previous = stringify;
stringify = s;
return previous;
},
});
var stringify = function defaultStringify(value) {
return JSON.stringify(value, stringifyReplacer);
};
function stringifyReplacer(_key, value) {
if (isNonNullObject(value) && !Array.isArray(value)) {
value = Object.keys(value).sort().reduce(function (copy, key) {
copy[key] = value[key];
return copy;
}, {});
}
return value;
}
function argumentsObjectFromField(field, variables) {
if (field.arguments && field.arguments.length) {
var argObj_1 = {};
field.arguments.forEach(function (_a) {
var name = _a.name, value = _a.value;
return valueToObjectRepresentation(argObj_1, name, value, variables);
});
return argObj_1;
}
return null;
}
function resultKeyNameFromField(field) {
return field.alias ? field.alias.value : field.name.value;
}
function getTypenameFromResult(result, selectionSet, fragmentMap) {
if (typeof result.__typename === 'string') {
return result.__typename;
}
for (var _i = 0, _a = selectionSet.selections; _i < _a.length; _i++) {
var selection = _a[_i];
if (isField(selection)) {
if (selection.name.value === '__typename') {
return result[resultKeyNameFromField(selection)];
}
}
else {
var typename = getTypenameFromResult(result, getFragmentFromSelection(selection, fragmentMap).selectionSet, fragmentMap);
if (typeof typename === 'string') {
return typename;
}
}
}
}
function isField(selection) {
return selection.kind === 'Field';
}
function isInlineFragment(selection) {
return selection.kind === 'InlineFragment';
}
function checkDocument(doc) {
__DEV__ ? tsInvariant.invariant(doc && doc.kind === 'Document', "Expecting a parsed GraphQL document. Perhaps you need to wrap the query string in a \"gql\" tag? http://docs.apollostack.com/apollo-client/core.html#gql") : tsInvariant.invariant(doc && doc.kind === 'Document', 47);
var operations = doc.definitions
.filter(function (d) { return d.kind !== 'FragmentDefinition'; })
.map(function (definition) {
if (definition.kind !== 'OperationDefinition') {
throw __DEV__ ? new tsInvariant.InvariantError("Schema type definitions not allowed in queries. Found: \"".concat(definition.kind, "\"")) : new tsInvariant.InvariantError(48);
}
return definition;
});
__DEV__ ? tsInvariant.invariant(operations.length <= 1, "Ambiguous GraphQL document: contains ".concat(operations.length, " operations")) : tsInvariant.invariant(operations.length <= 1, 49);
return doc;
}
function getOperationDefinition(doc) {
checkDocument(doc);
return doc.definitions.filter(function (definition) {
return definition.kind === 'OperationDefinition';
})[0];
}
function getOperationName(doc) {
return (doc.definitions
.filter(function (definition) {
return definition.kind === 'OperationDefinition' && !!definition.name;
})
.map(function (x) { return x.name.value; })[0] || null);
}
function getFragmentDefinitions(doc) {
return doc.definitions.filter(function (definition) {
return definition.kind === 'FragmentDefinition';
});
}
function getQueryDefinition(doc) {
var queryDef = getOperationDefinition(doc);
__DEV__ ? tsInvariant.invariant(queryDef && queryDef.operation === 'query', 'Must contain a query definition.') : tsInvariant.invariant(queryDef && queryDef.operation === 'query', 50);
return queryDef;
}
function getFragmentDefinition(doc) {
__DEV__ ? tsInvariant.invariant(doc.kind === 'Document', "Expecting a parsed GraphQL document. Perhaps you need to wrap the query string in a \"gql\" tag? http://docs.apollostack.com/apollo-client/core.html#gql") : tsInvariant.invariant(doc.kind === 'Document', 51);
__DEV__ ? tsInvariant.invariant(doc.definitions.length <= 1, 'Fragment must have exactly one definition.') : tsInvariant.invariant(doc.definitions.length <= 1, 52);
var fragmentDef = doc.definitions[0];
__DEV__ ? tsInvariant.invariant(fragmentDef.kind === 'FragmentDefinition', 'Must be a fragment definition.') : tsInvariant.invariant(fragmentDef.kind === 'FragmentDefinition', 53);
return fragmentDef;
}
function getMainDefinition(queryDoc) {
checkDocument(queryDoc);
var fragmentDefinition;
for (var _i = 0, _a = queryDoc.definitions; _i < _a.length; _i++) {
var definition = _a[_i];
if (definition.kind === 'OperationDefinition') {
var operation = definition.operation;
if (operation === 'query' ||
operation === 'mutation' ||
operation === 'subscription') {
return definition;
}
}
if (definition.kind === 'FragmentDefinition' && !fragmentDefinition) {
fragmentDefinition = definition;
}
}
if (fragmentDefinition) {
return fragmentDefinition;
}
throw __DEV__ ? new tsInvariant.InvariantError('Expected a parsed GraphQL query with a query, mutation, subscription, or a fragment.') : new tsInvariant.InvariantError(54);
}
function getDefaultValues(definition) {
var defaultValues = Object.create(null);
var defs = definition && definition.variableDefinitions;
if (defs && defs.length) {
defs.forEach(function (def) {
if (def.defaultValue) {
valueToObjectRepresentation(defaultValues, def.variable.name, def.defaultValue);
}
});
}
return defaultValues;
}
var isArray = Array.isArray;
function isNonEmptyArray(value) {
return Array.isArray(value) && value.length > 0;
}
var TYPENAME_FIELD = {
kind: graphql.Kind.FIELD,
name: {
kind: graphql.Kind.NAME,
value: '__typename',
},
};
function isEmpty(op, fragmentMap) {
return !op || op.selectionSet.selections.every(function (selection) { return selection.kind === graphql.Kind.FRAGMENT_SPREAD &&
isEmpty(fragmentMap[selection.name.value], fragmentMap); });
}
function nullIfDocIsEmpty(doc) {
return isEmpty(getOperationDefinition(doc) || getFragmentDefinition(doc), createFragmentMap(getFragmentDefinitions(doc)))
? null
: doc;
}
function getDirectiveMatcher(directives) {
var nameSet = new Set();
var tests = [];
directives.forEach(function (directive) {
if (directive.name) {
nameSet.add(directive.name);
}
else if (directive.test) {
tests.push(directive.test);
}
});
return function (directive) { return (nameSet.has(directive.name.value) ||
tests.some(function (test) { return test(directive); })); };
}
function makeInUseGetterFunction(defaultKey) {
var map = new Map();
return function inUseGetterFunction(key) {
if (key === void 0) { key = defaultKey; }
var inUse = map.get(key);
if (!inUse) {
map.set(key, inUse = {
variables: new Set,
fragmentSpreads: new Set,
});
}
return inUse;
};
}
function removeDirectivesFromDocument(directives, doc) {
var getInUseByOperationName = makeInUseGetterFunction("");
var getInUseByFragmentName = makeInUseGetterFunction("");
var getInUse = function (ancestors) {
for (var p = 0, ancestor = void 0; p < ancestors.length && (ancestor = ancestors[p]); ++p) {
if (isArray(ancestor))
continue;
if (ancestor.kind === graphql.Kind.OPERATION_DEFINITION) {
return getInUseByOperationName(ancestor.name && ancestor.name.value);
}
if (ancestor.kind === graphql.Kind.FRAGMENT_DEFINITION) {
return getInUseByFragmentName(ancestor.name.value);
}
}
__DEV__ && tsInvariant.invariant.error("Could not find operation or fragment");
return null;
};
var operationCount = 0;
for (var i = doc.definitions.length - 1; i >= 0; --i) {
if (doc.definitions[i].kind === graphql.Kind.OPERATION_DEFINITION) {
++operationCount;
}
}
var directiveMatcher = getDirectiveMatcher(directives);
var hasRemoveDirective = directives.some(function (directive) { return directive.remove; });
var shouldRemoveField = function (nodeDirectives) { return (hasRemoveDirective &&
nodeDirectives &&
nodeDirectives.some(directiveMatcher)); };
var originalFragmentDefsByPath = new Map();
var firstVisitMadeChanges = false;
var fieldOrInlineFragmentVisitor = {
enter: function (node) {
if (shouldRemoveField(node.directives)) {
firstVisitMadeChanges = true;
return null;
}
},
};
var docWithoutDirectiveSubtrees = graphql.visit(doc, {
Field: fieldOrInlineFragmentVisitor,
InlineFragment: fieldOrInlineFragmentVisitor,
VariableDefinition: {
enter: function () {
return false;
},
},
Variable: {
enter: function (node, _key, _parent, _path, ancestors) {
var inUse = getInUse(ancestors);
if (inUse) {
inUse.variables.add(node.name.value);
}
},
},
FragmentSpread: {
enter: function (node, _key, _parent, _path, ancestors) {
if (shouldRemoveField(node.directives)) {
firstVisitMadeChanges = true;
return null;
}
var inUse = getInUse(ancestors);
if (inUse) {
inUse.fragmentSpreads.add(node.name.value);
}
},
},
FragmentDefinition: {
enter: function (node, _key, _parent, path) {
originalFragmentDefsByPath.set(JSON.stringify(path), node);
},
leave: function (node, _key, _parent, path) {
var originalNode = originalFragmentDefsByPath.get(JSON.stringify(path));
if (node === originalNode) {
return node;
}
if (operationCount > 0 &&
node.selectionSet.selections.every(function (selection) { return (selection.kind === graphql.Kind.FIELD &&
selection.name.value === '__typename'); })) {
getInUseByFragmentName(node.name.value).removed = true;
firstVisitMadeChanges = true;
return null;
}
},
},
Directive: {
leave: function (node) {
if (directiveMatcher(node)) {
firstVisitMadeChanges = true;
return null;
}
},
},
});
if (!firstVisitMadeChanges) {
return doc;
}
var populateTransitiveVars = function (inUse) {
if (!inUse.transitiveVars) {
inUse.transitiveVars = new Set(inUse.variables);
if (!inUse.removed) {
inUse.fragmentSpreads.forEach(function (childFragmentName) {
populateTransitiveVars(getInUseByFragmentName(childFragmentName)).transitiveVars.forEach(function (varName) {
inUse.transitiveVars.add(varName);
});
});
}
}
return inUse;
};
var allFragmentNamesUsed = new Set();
docWithoutDirectiveSubtrees.definitions.forEach(function (def) {
if (def.kind === graphql.Kind.OPERATION_DEFINITION) {
populateTransitiveVars(getInUseByOperationName(def.name && def.name.value)).fragmentSpreads.forEach(function (childFragmentName) {
allFragmentNamesUsed.add(childFragmentName);
});
}
else if (def.kind === graphql.Kind.FRAGMENT_DEFINITION &&
operationCount === 0 &&
!getInUseByFragmentName(def.name.value).removed) {
allFragmentNamesUsed.add(def.name.value);
}
});
allFragmentNamesUsed.forEach(function (fragmentName) {
populateTransitiveVars(getInUseByFragmentName(fragmentName)).fragmentSpreads.forEach(function (childFragmentName) {
allFragmentNamesUsed.add(childFragmentName);
});
});
var fragmentWillBeRemoved = function (fragmentName) { return !!(!allFragmentNamesUsed.has(fragmentName) ||
getInUseByFragmentName(fragmentName).removed); };
var enterVisitor = {
enter: function (node) {
if (fragmentWillBeRemoved(node.name.value)) {
return null;
}
},
};
return nullIfDocIsEmpty(graphql.visit(docWithoutDirectiveSubtrees, {
FragmentSpread: enterVisitor,
FragmentDefinition: enterVisitor,
OperationDefinition: {
leave: function (node) {
if (node.variableDefinitions) {
var usedVariableNames_1 = populateTransitiveVars(getInUseByOperationName(node.name && node.name.value)).transitiveVars;
if (usedVariableNames_1.size < node.variableDefinitions.length) {
return tslib.__assign(tslib.__assign({}, node), { variableDefinitions: node.variableDefinitions.filter(function (varDef) { return usedVariableNames_1.has(varDef.variable.name.value); }) });
}
}
},
},
}));
}
var addTypenameToDocument = Object.assign(function (doc) {
return graphql.visit(doc, {
SelectionSet: {
enter: function (node, _key, parent) {
if (parent &&
parent.kind === graphql.Kind.OPERATION_DEFINITION) {
return;
}
var selections = node.selections;
if (!selections) {
return;
}
var skip = selections.some(function (selection) {
return (isField(selection) &&
(selection.name.value === '__typename' ||
selection.name.value.lastIndexOf('__', 0) === 0));
});
if (skip) {
return;
}
var field = parent;
if (isField(field) &&
field.directives &&
field.directives.some(function (d) { return d.name.value === 'export'; })) {
return;
}
return tslib.__assign(tslib.__assign({}, node), { selections: tslib.__spreadArray(tslib.__spreadArray([], selections, true), [TYPENAME_FIELD], false) });
},
},
});
}, {
added: function (field) {
return field === TYPENAME_FIELD;
},
});
var connectionRemoveConfig = {
test: function (directive) {
var willRemove = directive.name.value === 'connection';
if (willRemove) {
if (!directive.arguments ||
!directive.arguments.some(function (arg) { return arg.name.value === 'key'; })) {
__DEV__ && tsInvariant.invariant.warn('Removing an @connection directive even though it does not have a key. ' +
'You may want to use the key parameter to specify a store key.');
}
}
return willRemove;
},
};
function removeConnectionDirectiveFromDocument(doc) {
return removeDirectivesFromDocument([connectionRemoveConfig], checkDocument(doc));
}
function buildQueryFromSelectionSet(document) {
var definition = getMainDefinition(document);
var definitionOperation = definition.operation;
if (definitionOperation === 'query') {
return document;
}
var modifiedDoc = graphql.visit(document, {
OperationDefinition: {
enter: function (node) {
return tslib.__assign(tslib.__assign({}, node), { operation: 'query' });
},
},
});
return modifiedDoc;
}
function removeClientSetsFromDocument(document) {
checkDocument(document);
var modifiedDoc = removeDirectivesFromDocument([
{
test: function (directive) { return directive.name.value === 'client'; },
remove: true,
},
], document);
return modifiedDoc;
}
var hasOwnProperty$4 = Object.prototype.hasOwnProperty;
function mergeDeep() {
var sources = [];
for (var _i = 0; _i < arguments.length; _i++) {
sources[_i] = arguments[_i];
}
return mergeDeepArray(sources);
}
function mergeDeepArray(sources) {
var target = sources[0] || {};
var count = sources.length;
if (count > 1) {
var merger = new DeepMerger();
for (var i = 1; i < count; ++i) {
target = merger.merge(target, sources[i]);
}
}
return target;
}
var defaultReconciler = function (target, source, property) {
return this.merge(target[property], source[property]);
};
var DeepMerger = (function () {
function DeepMerger(reconciler) {
if (reconciler === void 0) { reconciler = defaultReconciler; }
this.reconciler = reconciler;
this.isObject = isNonNullObject;
this.pastCopies = new Set();
}
DeepMerger.prototype.merge = function (target, source) {
var _this = this;
var context = [];
for (var _i = 2; _i < arguments.length; _i++) {
context[_i - 2] = arguments[_i];
}
if (isNonNullObject(source) && isNonNullObject(target)) {
Object.keys(source).forEach(function (sourceKey) {
if (hasOwnProperty$4.call(target, sourceKey)) {
var targetValue = target[sourceKey];
if (source[sourceKey] !== targetValue) {
var result = _this.reconciler.apply(_this, tslib.__spreadArray([target, source, sourceKey], context, false));
if (result !== targetValue) {
target = _this.shallowCopyForMerge(target);
target[sourceKey] = result;
}
}
}
else {
target = _this.shallowCopyForMerge(target);
target[sourceKey] = source[sourceKey];
}
});
return target;
}
return source;
};
DeepMerger.prototype.shallowCopyForMerge = function (value) {
if (isNonNullObject(value)) {
if (!this.pastCopies.has(value)) {
if (Array.isArray(value)) {
value = value.slice(0);
}
else {
value = tslib.__assign({ __proto__: Object.getPrototypeOf(value) }, value);
}
this.pastCopies.add(value);
}
}
return value;
};
return DeepMerger;
}());
var toString = Object.prototype.toString;
function cloneDeep(value) {
return cloneDeepHelper(value);
}
function cloneDeepHelper(val, seen) {
switch (toString.call(val)) {
case "[object Array]": {
seen = seen || new Map;
if (seen.has(val))
return seen.get(val);
var copy_1 = val.slice(0);
seen.set(val, copy_1);
copy_1.forEach(function (child, i) {
copy_1[i] = cloneDeepHelper(child, seen);
});
return copy_1;
}
case "[object Object]": {
seen = seen || new Map;
if (seen.has(val))
return seen.get(val);
var copy_2 = Object.create(Object.getPrototypeOf(val));
seen.set(val, copy_2);
Object.keys(val).forEach(function (key) {
copy_2[key] = cloneDeepHelper(val[key], seen);
});
return copy_2;
}
default:
return val;
}
}
function deepFreeze(value) {
var workSet = new Set([value]);
workSet.forEach(function (obj) {
if (isNonNullObject(obj) && shallowFreeze(obj) === obj) {
Object.getOwnPropertyNames(obj).forEach(function (name) {
if (isNonNullObject(obj[name]))
workSet.add(obj[name]);
});
}
});
return value;
}
function shallowFreeze(obj) {
if (__DEV__ && !Object.isFrozen(obj)) {
try {
Object.freeze(obj);
}
catch (e) {
if (e instanceof TypeError)
return null;
throw e;
}
}
return obj;
}
function maybeDeepFreeze(obj) {
if (__DEV__) {
deepFreeze(obj);
}
return obj;
}
function iterateObserversSafely(observers, method, argument) {
var observersWithMethod = [];
observers.forEach(function (obs) { return obs[method] && observersWithMethod.push(obs); });
observersWithMethod.forEach(function (obs) { return obs[method](argument); });
}
function asyncMap(observable, mapFn, catchFn) {
return new zenObservableTs.Observable(function (observer) {
var next = observer.next, error = observer.error, complete = observer.complete;
var activeCallbackCount = 0;
var completed = false;
var promiseQueue = {
then: function (callback) {
return new Promise(function (resolve) { return resolve(callback()); });
},
};
function makeCallback(examiner, delegate) {
if (examiner) {
return function (arg) {
++activeCallbackCount;
var both = function () { return examiner(arg); };
promiseQueue = promiseQueue.then(both, both).then(function (result) {
--activeCallbackCount;
next && next.call(observer, result);
if (completed) {
handler.complete();
}
}, function (error) {
--activeCallbackCount;
throw error;
}).catch(function (caught) {
error && error.call(observer, caught);
});
};
}
else {
return function (arg) { return delegate && delegate.call(observer, arg); };
}
}
var handler = {
next: makeCallback(mapFn, next),
error: makeCallback(catchFn, error),
complete: function () {
completed = true;
if (!activeCallbackCount) {
complete && complete.call(observer);
}
},
};
var sub = observable.subscribe(handler);
return function () { return sub.unsubscribe(); };
});
}
var canUseWeakMap = typeof WeakMap === 'function' &&
maybe(function () { return navigator.product; }) !== 'ReactNative';
var canUseWeakSet = typeof WeakSet === 'function';
var canUseSymbol = typeof Symbol === 'function' &&
typeof Symbol.for === 'function';
var canUseAsyncIteratorSymbol = canUseSymbol && Symbol.asyncIterator;
var canUseDOM = typeof maybe(function () { return window.document.createElement; }) === "function";
var usingJSDOM = maybe(function () { return navigator.userAgent.indexOf("jsdom") >= 0; }) || false;
var canUseLayoutEffect = canUseDOM && !usingJSDOM;
function fixObservableSubclass(subclass) {
function set(key) {
Object.defineProperty(subclass, key, { value: zenObservableTs.Observable });
}
if (canUseSymbol && Symbol.species) {
set(Symbol.species);
}
set("@@species");
return subclass;
}
function isPromiseLike(value) {
return value && typeof value.then === "function";
}
var Concast = (function (_super) {
tslib.__extends(Concast, _super);
function Concast(sources) {
var _this = _super.call(this, function (observer) {
_this.addObserver(observer);
return function () { return _this.removeObserver(observer); };
}) || this;
_this.observers = new Set();
_this.promise = new Promise(function (resolve, reject) {
_this.resolve = resolve;
_this.reject = reject;
});
_this.handlers = {
next: function (result) {
if (_this.sub !== null) {
_this.latest = ["next", result];
_this.notify("next", result);
iterateObserversSafely(_this.observers, "next", result);
}
},
error: function (error) {
var sub = _this.sub;
if (sub !== null) {
if (sub)
setTimeout(function () { return sub.unsubscribe(); });
_this.sub = null;
_this.latest = ["error", error];
_this.reject(error);
_this.notify("error", error);
iterateObserversSafely(_this.observers, "error", error);
}
},
complete: function () {
var _a = _this, sub = _a.sub, _b = _a.sources, sources = _b === void 0 ? [] : _b;
if (sub !== null) {
var value = sources.shift();
if (!value) {
if (sub)
setTimeout(function () { return sub.unsubscribe(); });
_this.sub = null;
if (_this.latest &&
_this.latest[0] === "next") {
_this.resolve(_this.latest[1]);
}
else {
_this.resolve();
}
_this.notify("complete");
iterateObserversSafely(_this.observers, "complete");
}
else if (isPromiseLike(value)) {
value.then(function (obs) { return _this.sub = obs.subscribe(_this.handlers); });
}
else {
_this.sub = value.subscribe(_this.handlers);
}
}
},
};
_this.nextResultListeners = new Set();
_this.cancel = function (reason) {
_this.reject(reason);
_this.sources = [];
_this.handlers.complete();
};
_this.promise.catch(function (_) { });
if (typeof sources === "function") {
sources = [new zenObservableTs.Observable(sources)];
}
if (isPromiseLike(sources)) {
sources.then(function (iterable) { return _this.start(iterable); }, _this.handlers.error);
}
else {
_this.start(sources);
}
return _this;
}
Concast.prototype.start = function (sources) {
if (this.sub !== void 0)
return;
this.sources = Array.from(sources);
this.handlers.complete();
};
Concast.prototype.deliverLastMessage = function (observer) {
if (this.latest) {
var nextOrError = this.latest[0];
var method = observer[nextOrError];
if (method) {
method.call(observer, this.latest[1]);
}
if (this.sub === null &&
nextOrError === "next" &&
observer.complete) {
observer.complete();
}
}
};
Concast.prototype.addObserver = function (observer) {
if (!this.observers.has(observer)) {
this.deliverLastMessage(observer);
this.observers.add(observer);
}
};
Concast.prototype.removeObserver = function (observer) {
if (this.observers.delete(observer) &&
this.observers.size < 1) {
this.handlers.complete();
}
};
Concast.prototype.notify = function (method, arg) {
var nextResultListeners = this.nextResultListeners;
if (nextResultListeners.size) {
this.nextResultListeners = new Set;
nextResultListeners.forEach(function (listener) { return listener(method, arg); });
}
};
Concast.prototype.beforeNext = function (callback) {
var called = false;
this.nextResultListeners.add(function (method, arg) {
if (!called) {
called = true;
callback(method, arg);
}
});
};
return Concast;
}(zenObservableTs.Observable));
fixObservableSubclass(Concast);
function isExecutionPatchIncrementalResult(value) {
return "incremental" in value;
}
function isExecutionPatchInitialResult(value) {
return "hasNext" in value && "data" in value;
}
function isExecutionPatchResult(value) {
return (isExecutionPatchIncrementalResult(value) ||
isExecutionPatchInitialResult(value));
}
function mergeIncrementalData(prevResult, result) {
var mergedData = prevResult;
var merger = new DeepMerger();
if (isExecutionPatchIncrementalResult(result) &&
isNonEmptyArray(result.incremental)) {
result.incremental.forEach(function (_a) {
var data = _a.data, path = _a.path;
for (var i = path.length - 1; i >= 0; --i) {
var key = path[i];
var isNumericKey = !isNaN(+key);
var parent_1 = isNumericKey ? [] : {};
parent_1[key] = data;
data = parent_1;
}
mergedData = merger.merge(mergedData, data);
});
}
return mergedData;
}
function graphQLResultHasError(result) {
var errors = getGraphQLErrorsFromResult(result);
return isNonEmptyArray(errors);
}
function getGraphQLErrorsFromResult(result) {
var graphQLErrors = isNonEmptyArray(result.errors)
? result.errors.slice(0)
: [];
if (isExecutionPatchIncrementalResult(result) &&
isNonEmptyArray(result.incremental)) {
result.incremental.forEach(function (incrementalResult) {
if (incrementalResult.errors) {
graphQLErrors.push.apply(graphQLErrors, incrementalResult.errors);
}
});
}
return graphQLErrors;
}
function compact() {
var objects = [];
for (var _i = 0; _i < arguments.length; _i++) {
objects[_i] = arguments[_i];
}
var result = Object.create(null);
objects.forEach(function (obj) {
if (!obj)
return;
Object.keys(obj).forEach(function (key) {
var value = obj[key];
if (value !== void 0) {
result[key] = value;
}
});
});
return result;
}
var prefixCounts = new Map();
function makeUniqueId(prefix) {
var count = prefixCounts.get(prefix) || 1;
prefixCounts.set(prefix, count + 1);
return "".concat(prefix, ":").concat(count, ":").concat(Math.random().toString(36).slice(2));
}
function stringifyForDisplay(value) {
var undefId = makeUniqueId("stringifyForDisplay");
return JSON.stringify(value, function (key, value) {
return value === void 0 ? undefId : value;
}).split(JSON.stringify(undefId)).join("<undefined>");
}
function mergeOptions(defaults, options) {
return compact(defaults, options, options.variables && {
variables: tslib.__assign(tslib.__assign({}, (defaults && defaults.variables)), options.variables),
});
}
function fromError(errorValue) {
return new zenObservableTs.Observable(function (observer) {
observer.error(errorValue);
});
}
function toPromise(observable) {
var completed = false;
return new Promise(function (resolve, reject) {
observable.subscribe({
next: function (data) {
if (completed) {
__DEV__ && tsInvariant.invariant.warn("Promise Wrapper does not support multiple results from Observable");
}
else {
completed = true;
resolve(data);
}
},
error: reject,
});
});
}
function fromPromise(promise) {
return new zenObservableTs.Observable(function (observer) {
promise
.then(function (value) {
observer.next(value);
observer.complete();
})
.catch(observer.error.bind(observer));
});
}
var throwServerError = function (response, result, message) {
var error = new Error(message);
error.name = 'ServerError';
error.response = response;
error.statusCode = response.status;
error.result = result;
throw error;
};
function validateOperation(operation) {
var OPERATION_FIELDS = [
'query',
'operationName',
'variables',
'extensions',
'context',
];
for (var _i = 0, _a = Object.keys(operation); _i < _a.length; _i++) {
var key = _a[_i];
if (OPERATION_FIELDS.indexOf(key) < 0) {
throw __DEV__ ? new tsInvariant.InvariantError("illegal argument: ".concat(key)) : new tsInvariant.InvariantError(27);
}
}
return operation;
}
function createOperation(starting, operation) {
var context = tslib.__assign({}, starting);
var setContext = function (next) {
if (typeof next === 'function') {
context = tslib.__assign(tslib.__assign({}, context), next(context));
}
else {
context = tslib.__assign(tslib.__assign({}, context), next);
}
};
var getContext = function () { return (tslib.__assign({}, context)); };
Object.defineProperty(operation, 'setContext', {
enumerable: false,
value: setContext,
});
Object.defineProperty(operation, 'getContext', {
enumerable: false,
value: getContext,
});
return operation;
}
function transformOperation(operation) {
var transformedOperation = {
variables: operation.variables || {},
extensions: operation.extensions || {},
operationName: operation.operationName,
query: operation.query,
};
if (!transformedOperation.operationName) {
transformedOperation.operationName =
typeof transformedOperation.query !== 'string'
? getOperationName(transformedOperation.query) || undefined
: '';
}
return transformedOperation;
}
function passthrough(op, forward) {
return (forward ? forward(op) : zenObservableTs.Observable.of());
}
function toLink(handler) {
return typeof handler === 'function' ? new ApolloLink(handler) : handler;
}
function isTerminating(link) {
return link.request.length <= 1;
}
var LinkError = (function (_super) {
tslib.__extends(LinkError, _super);
function LinkError(message, link) {
var _this = _super.call(this, message) || this;
_this.link = link;
return _this;
}
return LinkError;
}(Error));
var ApolloLink = (function () {
function ApolloLink(request) {
if (request)
this.request = request;
}
ApolloLink.empty = function () {
return new ApolloLink(function () { return zenObservableTs.Observable.of(); });
};
ApolloLink.from = function (links) {
if (links.length === 0)
return ApolloLink.empty();
return links.map(toLink).reduce(function (x, y) { return x.concat(y); });
};
ApolloLink.split = function (test, left, right) {
var leftLink = toLink(left);
var rightLink = toLink(right || new ApolloLink(passthrough));
if (isTerminating(leftLink) && isTerminating(rightLink)) {
return new ApolloLink(function (operation) {
return test(operation)
? leftLink.request(operation) || zenObservableTs.Observable.of()
: rightLink.request(operation) || zenObservableTs.Observable.of();
});
}
else {
return new ApolloLink(function (operation, forward) {
return test(operation)
? leftLink.request(operation, forward) || zenObservableTs.Observable.of()
: rightLink.request(operation, forward) || zenObservableTs.Observable.of();
});
}
};
ApolloLink.execute = function (link, operation) {
return (link.request(createOperation(operation.context, transformOperation(validateOperation(operation)))) || zenObservableTs.Observable.of());
};
ApolloLink.concat = function (first, second) {
var firstLink = toLink(first);
if (isTerminating(firstLink)) {
__DEV__ && tsInvariant.invariant.warn(new LinkError("You are calling concat on a terminating link, which will have no effect", firstLink));
return firstLink;
}
var nextLink = toLink(second);
if (isTerminating(nextLink)) {
return new ApolloLink(function (operation) {
return firstLink.request(operation, function (op) { return nextLink.request(op) || zenObservableTs.Observable.of(); }) || zenObservableTs.Observable.of();
});
}
else {
return new ApolloLink(function (operation, forward) {
return (firstLink.request(operation, function (op) {
return nextLink.request(op, forward) || zenObservableTs.Observable.of();
}) || zenObservableTs.Observable.of());
});
}
};
ApolloLink.prototype.split = function (test, left, right) {
return this.concat(ApolloLink.split(test, left, right || new ApolloLink(passthrough)));
};
ApolloLink.prototype.concat = function (next) {
return ApolloLink.concat(this, next);
};
ApolloLink.prototype.request = function (operation, forward) {
throw __DEV__ ? new tsInvariant.InvariantError('request is not implemented') : new tsInvariant.InvariantError(22);
};
ApolloLink.prototype.onError = function (error, observer) {
if (observer && observer.error) {
observer.error(error);
return false;
}
throw