@urql/exchange-graphcache - npm Package Compare versions

Comparing version 1.0.0-beta.4 to 1.0.0-rc.0

dist/types/operations/index.d.ts

@@ -1,2 +0,2 @@
-export { query } from './query';
+export { query, readOperation } from './query';
 export { write, writeOptimistic, writeFragment } from './write';

dist/types/operations/query.d.ts

@@ -1,2 +0,2 @@
-import { Data, Completeness, OperationRequest } from '../types';
+import { Fragments, Variables, Data, Completeness, OperationRequest } from '../types';
 import { Store } from '../store';
@@ -8,4 +8,13 @@ export interface QueryResult {
 }
+interface Context {
+    result: QueryResult;
+    store: Store;
+    variables: Variables;
+    fragments: Fragments;
+}
 /** Reads a request entirely from the store */
 export declare const query: (store: Store, request: OperationRequest) => QueryResult;
 export declare const startQuery: (store: Store, request: OperationRequest) => QueryResult;
+export declare const readOperation: (store: Store, request: OperationRequest, data: Data) => QueryResult;
+export declare const readRoot: (ctx: Context, entityKey: string, select: readonly import("graphql").SelectionNode[], originalData: Data) => Data;
+export {};

dist/types/operations/shared.d.ts

 import { FieldNode } from 'graphql';
-import { Fragments, Variables, SelectionSet } from '../types';
+import { Fragments, Variables, SelectionSet, Scalar } from '../types';
 import { Store } from '../store';
@@ -18,2 +18,3 @@ interface Context {
 }
+export declare const isScalar: (x: any) => x is string | number | boolean | import("../types").ScalarObject | Scalar[] | null;
 export {};

dist/urql-exchange-graphcache.es.js

@@ -273,2 +273,9 @@ import warning from "warning";
 
+var isScalar = function(x) {
+  if (Array.isArray(x)) {
+    return x.some(isScalar);
+  }
+  return "object" != typeof x || null !== x && "string" != typeof x.__typename;
+};
+
 var write = function(store, request, data) {
@@ -386,3 +393,4 @@ initStoreState(0);
     } else if (!isScalar(fieldValue)) {
-      var link = writeField(ctx, fieldKey, node.selectionSet.selections, fieldValue);
+      var fieldSelect = getSelectionSet(node);
+      var link = writeField(ctx, fieldKey, fieldSelect, fieldValue);
       store.writeLink(link, fieldKey);
@@ -426,3 +434,4 @@ store.removeRecord(fieldKey);
     if (void 0 !== node.selectionSet && null !== fieldValue && !isScalar(fieldValue)) {
-      writeRootField(ctx, fieldValue, node.selectionSet.selections);
+      var fieldSelect = getSelectionSet(node);
+      writeRootField(ctx, fieldValue, fieldSelect);
     }
@@ -456,9 +465,2 @@ if ("Mutation" === typename || "Subscription" === typename) {
 
-var isScalar = function(x) {
-  if (Array.isArray(x)) {
-    return x.some(isScalar);
-  }
-  return "object" != typeof x || null !== x && "string" != typeof x.__typename;
-};
-
 var invalidateSelection = function(ctx, entityKey, select) {
@@ -691,2 +693,60 @@ var store = ctx.store;
 
+var readOperation = function(store, request, data) {
+  initStoreState(0);
+  var operation = getMainOperation(request.query);
+  var result = {
+    completeness: "FULL",
+    dependencies: getCurrentDependencies(),
+    data: null
+  };
+  var ctx = {
+    variables: normalizeVariables(operation, request.variables),
+    fragments: getFragments(request.query),
+    result: result,
+    store: store
+  };
+  result.data = readRoot(ctx, getOperationName(operation), getSelectionSet(operation), data);
+  clearStoreState();
+  return result;
+};
+
+var readRoot = function(ctx, entityKey, select, originalData) {
+  if ("string" != typeof originalData.__typename) {
+    return originalData;
+  }
+  var data = Object.create(null);
+  data.__typename = originalData.__typename;
+  var iter = new SelectionIterator(entityKey, entityKey, select, ctx);
+  var node;
+  while (void 0 !== (node = iter.next())) {
+    var fieldAlias = getFieldAlias(node);
+    var fieldValue = originalData[fieldAlias];
+    if (void 0 !== node.selectionSet && null !== fieldValue && !isScalar(fieldValue)) {
+      data[fieldAlias] = readRootField(ctx, getSelectionSet(node), fieldValue);
+    } else {
+      data[fieldAlias] = fieldValue;
+    }
+  }
+  return data;
+};
+
+var readRootField = function(ctx, select, originalData) {
+  if (Array.isArray(originalData)) {
+    var newData = new Array(originalData.length);
+    for (var i = 0, l = originalData.length; i < l; i++) {
+      newData[i] = readRootField(ctx, select, originalData[i]);
+    }
+    return newData;
+  } else if (null === originalData) {
+    return null;
+  }
+  var entityKey = ctx.store.keyOfEntity(originalData);
+  if (null !== entityKey) {
+    var data = Object.create(null);
+    return readSelection(ctx, entityKey, select, data);
+  } else {
+    return readRoot(ctx, originalData.__typename, select, originalData);
+  }
+};
+
 var readSelection = function(ctx, entityKey, select, data) {
@@ -718,2 +778,5 @@ var isQuery = "Query" === entityKey;
     if (void 0 !== resolvers && resolvers.hasOwnProperty(fieldName)) {
+      if (void 0 !== fieldValue) {
+        data[fieldAlias] = fieldValue;
+      }
       var resolverValue = resolvers[fieldName](data, fieldArgs || {}, store, ctx);
@@ -926,9 +989,8 @@ if (void 0 === node.selectionSet) {
     };
-    var updateCacheWithResult = function(ref) {
-      var data = ref.data;
-      var operation = ref.operation;
-      var dependencies;
-      if (null != data) {
-        dependencies = write(store, operation, data).dependencies;
-      }
+    var updateCacheWithResult = function(result) {
+      var operation = result.operation;
+      var error = result.error;
+      var extensions = result.extensions;
+      var isQuery = isQueryOperation(operation);
+      var data = result.data;
       var key = operation.key;
@@ -939,8 +1001,25 @@ if (optimisticKeys.has(key)) {
       }
-      if (void 0 !== dependencies) {
-        processDependencies(operation, dependencies);
-        if (isQueryOperation(operation)) {
-          updateDependencies(operation, dependencies);
+      var writeDependencies, queryDependencies;
+      if (null != data) {
+        writeDependencies = write(store, operation, data).dependencies;
+        if (isQuery) {
+          var queryResult = query(store, operation);
+          data = queryResult.data;
+          queryDependencies = queryResult.dependencies;
+        } else {
+          data = readOperation(store, operation, data).data;
         }
       }
+      if (void 0 !== writeDependencies) {
+        processDependencies(result.operation, writeDependencies);
+      }
+      if (isQuery && void 0 !== queryDependencies) {
+        updateDependencies(result.operation, queryDependencies);
+      }
+      return {
+        data: data,
+        error: error,
+        extensions: extensions,
+        operation: operation
+      };
     };
@@ -959,3 +1038,3 @@ function _ref6(ref) {
       var cacheResult$ = pipe(cache$, filter(_ref5), tap(_ref6), map(addCacheOutcome("hit")));
-      var result$ = pipe(forward(merge([ pipe(sharedOps$, filter(_ref7)), cacheOps$ ])), tap(updateCacheWithResult), map(addCacheOutcome("miss")));
+      var result$ = pipe(forward(merge([ pipe(sharedOps$, filter(_ref7)), cacheOps$ ])), map(updateCacheWithResult), map(addCacheOutcome("miss")));
       return merge([ result$, cacheResult$ ]);
@@ -966,3 +1045,3 @@ };
 
-export { Store, cacheExchange, keyOfEntity as defaultKeyOfEntity, query, write, writeFragment, writeOptimistic };
+export { Store, cacheExchange, keyOfEntity as defaultKeyOfEntity, query, readOperation, write, writeFragment, writeOptimistic };
 //# sourceMappingURL=urql-exchange-graphcache.es.js.map

dist/urql-exchange-graphcache.es.min.js

@@ -1,2 +0,2 @@
-import"warning";import{Kind as e}from"graphql";import{asMutable as t,make as r,clearOptimistic as n,get as i,setOptimistic as o,remove as u}from"pessimism";import a from"fast-json-stable-stringify";import{formatDocument as s}from"urql";import{pipe as c,map as l,tap as f,share as v,filter as d,merge as p}from"wonka";var y=function(e){return e.name.value},h=function(e){switch(e.operation){case"query":return"Query";case"mutation":return"Mutation";case"subscription":return"Subscription"}},m=function(e){return void 0!==e.alias?e.alias.value:y(e)},k=function(e){return void 0!==e.selectionSet?e.selectionSet.selections:[]},g=function(t){return t.kind===e.FIELD},b=function(t){return t.kind===e.INLINE_FRAGMENT},w=function(t,r){switch(t.kind){case e.NULL:return null;case e.INT:return parseInt(t.value,10);case e.FLOAT:return parseFloat(t.value);case e.LIST:for(var n=new Array(t.values.length),i=0,o=t.values.length;i<o;i++)n[i]=w(t.values[i],r);return n;case e.OBJECT:for(var u=Object.create(null),a=0,s=t.fields.length;a<s;a++){var c=t.fields[a];u[y(c)]=w(c.value,r)}return u;case e.VARIABLE:var l=r[y(t)];return void 0!==l?l:null;default:return t.value}},O=function(e,t){if(void 0===e.arguments||0===e.arguments.length)return null;for(var r=Object.create(null),n=0,i=e.arguments.length;n<i;n++){var o=e.arguments[n];r[y(o)]=w(o.value,t)}return r},_=function(e,t){if(void 0===e.variableDefinitions)return{};var r=t||{};return e.variableDefinitions.reduce(function(e,t){var n=y(t.variable),i=r[n];if(void 0===i){if(void 0===t.defaultValue)return e;i=w(t.defaultValue,r)}return e[n]=i,e},Object.create(null))},S=function(t){return t.kind===e.FRAGMENT_DEFINITION};function L(t){return t.kind===e.OPERATION_DEFINITION}var x=function(e){return e.definitions.find(L)};function E(e,t){return e[y(t)]=t,e}var A=function(e){return e.definitions.filter(S).reduce(E,{})},F=function(e,t){if(void 0===e.directives)return!0;for(var r=e.directives,n=0,i=r.length;n<i;n++){var o=r[n],u=y(o),a="include"===u;if(a||"skip"===u){var s=o.arguments?o.arguments[0]:null;if(s&&"if"===y(s)){var c=w(s.value,t);if("boolean"==typeof c||null===c)return a?!!c:!c}}}return!0},q=function(e){var t=e.__typename,r=void 0===e.id?e._id:e.id;return null==t?null:"Query"===t||"Mutation"===t||"Subscription"===t?t:null==r?null:t+":"+r},R=function(e,t){return t?e+"("+a(t)+")":e},M=function(e,t){return e+"."+t};function j(){return(j=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e}).apply(this,arguments)}var T=function(e,t,r,n){return!(!t||t!==(void 0!==(i=e.typeCondition)?y(i):null)&&k(e).some(function(e){if(!g(e))return!1;var t=y(e),i=O(e,n.variables),o=R(t,i);return!n.store.hasField(M(r,o))}));var i},I=function(e,t,r,n){this.typename=e,this.entityKey=t,this.context=n,this.indexStack=[0],this.selectionStack=[r]};I.prototype.next=function(){for(;0!==this.indexStack.length;){var e=this.indexStack[this.indexStack.length-1]++,t=this.selectionStack[this.selectionStack.length-1];if(e>=t.length)this.indexStack.pop(),this.selectionStack.pop();else{var r=t[e];if(F(r,this.context.variables)){if(g(r)){if("__typename"===y(r))continue;return r}var n=b(r)?r:this.context.fragments[y(r)];void 0!==n&&T(n,this.typename,this.entityKey,this.context)&&(this.indexStack.push(0),this.selectionStack.push(k(n)))}}}};var N=function(e,t,r){J(0);var n=P(e,t,r);return H(),n},P=function(e,t,r){var n=x(t.query),i={dependencies:W()},o={variables:_(n,t.variables),fragments:A(t.query),result:i,store:e},u=k(n),a=h(n);return"Query"===a?V(o,a,u,r):D(o,a,u,r),i},Q=function(e,t,r){J(r);var n=x(t.query),i={dependencies:W()},o={variables:_(n,t.variables),fragments:A(t.query),result:i,store:e},u=h(n);if("Mutation"===u)for(var a,s=k(n),c=new I(u,u,s,o);void 0!==(a=c.next());)if(void 0!==a.selectionSet){var l=y(a),f=o.store.optimisticMutations[l];if(void 0!==f){var v=O(a,o.variables),d=k(a),p=f(v||{},o.store,o);K(p)||C(o,p,d)}}return H(),i},U=function(e,t,r){var n=A(t),i=n[Object.keys(n)[0]];if(void 0!==i){var o=k(i),u=j({},r,{__typename:i.typeCondition.name.value}),a=e.keyOfEntity(u);if(a){var s={variables:{},fragments:n,result:{dependencies:W()},store:e};V(s,a,o,u)}}},V=function(e,t,r,n){var i=e.store,o=e.variables,u="Query"===t,a=n.__typename;u||X(t),i.writeField(u?t:a,t,"__typename");for(var s,c=new I(a,t,r,e);void 0!==(s=c.next());){var l=y(s),f=O(s,o),v=M(t,R(l,f)),d=n[m(s)];if(u&&X(v),void 0===s.selectionSet)i.writeRecord(d,v);else if(K(d))i.writeRecord(d,v);else{var p=Y(e,v,s.selectionSet.selections,d);i.writeLink(p,v),i.removeRecord(v)}}},Y=function(e,t,r,n){if(Array.isArray(n)){for(var i=new Array(n.length),o=0,u=n.length;o<u;o++){var a=n[o],s=M(t,""+o),c=Y(e,s,r,a);i[o]=c}return i}if(null===n)return null;var l=e.store.keyOfEntity(n),f=null!==l?l:t;return V(e,f,r,n),f},D=function(e,t,r,n){for(var i,o=new I(t,t,r,e);void 0!==(i=o.next());){var u=y(i),a=m(i),s=O(i,e.variables),c=n[a];if(void 0===i.selectionSet||null===c||K(c)||C(e,c,i.selectionSet.selections),"Mutation"===t||"Subscription"===t){var l=e.store.updates[t][u];void 0!==l&&l(n,s||{},e.store,e)}}},C=function(e,t,r){if(Array.isArray(t)){for(var n=new Array(t.length),i=0,o=t.length;i<o;i++)n[i]=C(e,t[i],r);return n}if(null!==t){var u=e.store.keyOfEntity(t);null!==u?V(e,u,r,t):D(e,t.__typename,r,t)}},K=function(e){return Array.isArray(e)?e.some(K):"object"!=typeof e||null!==e&&"string"!=typeof e.__typename},B=function(e,t,r){var n,i=e.store,o=e.variables,u="Query"===t;if(u)n=t;else{if(X(t),"string"!=typeof(n=i.getField(t,"__typename")))return;i.removeRecord(M(t,R("__typename")))}for(var a,s=new I(n,t,r,e);void 0!==(a=s.next());){var c=y(a),l=O(a,o),f=M(t,R(c,l));if(u&&X(f),void 0===a.selectionSet)i.removeRecord(f);else{var v=k(a),d=i.getLink(f);if(i.removeLink(f),void 0===d)void 0!==i.getRecord(f)&&i.removeRecord(f);else if(Array.isArray(d))for(var p=0,h=d.length;p<h;p++){var m=d[p];null!==m&&B(e,m,v)}else null!==d&&B(e,d,v)}}},G={current:null},z={current:null},J=function(e){G.current=new Set,z.current=e},H=function(){G.current=null,z.current=null},W=function(){return G.current},X=function(e){G.current.add(e)},Z=function(e,t,r){return o(e,t,r,z.current||0)},$=function(e,t){var r=z.current||0;return r?o(e,t,void 0,r):u(e,t)},ee=function(e,n,i,o){this.records=t(r()),this.links=t(r()),this.resolvers=e||{},this.updates={Mutation:n&&n.Mutation||{},Subscription:n&&n.Subscription||{}},this.optimisticMutations=i||{},this.keys=o||{}};ee.prototype.keyOfEntity=function(e){var t=e.__typename;return void 0!==t&&void 0!==this.keys[t]?this.keys[t](e):q(e)},ee.prototype.clearOptimistic=function(e){this.records=n(this.records,e),this.links=n(this.links,e)},ee.prototype.getRecord=function(e){return i(this.records,e)},ee.prototype.removeRecord=function(e){return this.records=$(this.records,e)},ee.prototype.writeRecord=function(e,t){return this.records=Z(this.records,t,e)},ee.prototype.getField=function(e,t,r){var n=M(e,R(t,r));return this.getRecord(n)},ee.prototype.writeField=function(e,t,r,n){var i=M(t,R(r,n));return this.records=Z(this.records,i,e)},ee.prototype.getLink=function(e){return i(this.links,e)},ee.prototype.removeLink=function(e){return this.links=$(this.links,e)},ee.prototype.writeLink=function(e,t){return this.links=Z(this.links,t,e)},ee.prototype.resolveValueOrLink=function(e){var t=this.getRecord(e);return void 0!==t?t:this.getLink(e)||null},ee.prototype.resolve=function(e,t,r){if("string"==typeof e)return X(e),this.resolveValueOrLink(M(e,R(t,r)));var n=this.keyOfEntity(e);return null===n?null:(X(n),this.resolveValueOrLink(M(n,R(t,r))))},ee.prototype.invalidateQuery=function(e,t){!function(e,t){J(0);var r=x(t.query),n={variables:_(r,t.variables),fragments:A(t.query),store:e};B(n,"Query",k(r)),H()}(this,{query:e,variables:t})},ee.prototype.hasField=function(e){return void 0!==this.getRecord(e)||void 0!==this.getLink(e)},ee.prototype.updateQuery=function(e,t){var r=re(this,e),n=t("EMPTY"===r.completeness?null:r.data);null!==n&&P(this,e,n)},ee.prototype.writeFragment=function(e,t){U(this,e,t)};var te=function(e,t){J(0);var r=re(e,t);return H(),r},re=function(e,t){var r=x(t.query),n=Object.create(null),i={completeness:"FULL",dependencies:W(),data:n},o={variables:_(r,t.variables),fragments:A(t.query),result:i,store:e};return i.data=ne(o,"Query",k(r),n),i},ne=function(e,t,r,n){var i="Query"===t;i||X(t);var o=e.store,u=e.variables,a=i?"Query":o.getField(t,"__typename");if("string"!=typeof a)return e.result.completeness="EMPTY",null;n.__typename=a;for(var s,c=new I(a,t,r,e);void 0!==(s=c.next());){var l=y(s),f=O(s,u),v=m(s),d=M(t,R(l,f)),p=o.getRecord(d);i&&X(d);var h=o.resolvers[a];if(void 0!==h&&h.hasOwnProperty(l)){var g=h[l](n,f||{},o,e);if(void 0===s.selectionSet)n[v]=void 0!==g?g:null;else{var b=k(s);n[v]=ie(e,g,d,b,n[v])}}else if(void 0===s.selectionSet)void 0===p?(e.result.completeness="EMPTY",n[v]=null):n[v]=p;else{var w=k(s),_=o.getLink(d);void 0===_?"object"==typeof p&&null!==p?n[v]=p:(e.result.completeness="EMPTY",n[v]=null):n[v]=oe(e,_,w,n[v])}}return n},ie=function(e,t,r,n,i){if(Array.isArray(t))return t.map(function(t,o){var u=void 0!==i?i[o]:void 0,a=M(r,""+o);return ie(e,t,a,n,u)});if(null===t)return null;if(ue(t)){var o=void 0===i?Object.create(null):i,u=("string"==typeof t?t:e.store.keyOfEntity(t))||r,a=ne(e,u,n,o);if(null!==a&&"object"==typeof t)for(r in t)"__typename"!==r&&t.hasOwnProperty(r)&&(a[r]=t[r]);return a}return e.result.completeness="EMPTY",null},oe=function(e,t,r,n){if(Array.isArray(t)){for(var i=new Array(t.length),o=0,u=t.length;o<u;o++)i[o]=oe(e,t[o],r,void 0!==n?n[o]:void 0);return i}if(null===t)return null;var a=void 0===n?Object.create(null):n;return ne(e,t,r,a)},ue=function(e){return"string"==typeof e||"object"==typeof e&&null!==e&&"string"==typeof e.__typename},ae=function(e){return function(t){return{data:t.data,error:t.error,extensions:t.extensions,operation:j({},t.operation,{context:j({},t.operation.context,{meta:j({},t.operation.context.meta,{cacheOutcome:e})})})}}},se=function(e){return j({},e,{query:s(e.query)})},ce=function(e){return e.context.requestPolicy},le=function(e){return"query"===e.operationName},fe=function(e){var t=ce(e);return le(e)&&"network-only"!==t},ve=function(e,t){return j({},e,{context:j({},e.context,{requestPolicy:t})})};function de(e){return fe(e)}function pe(e){return"FULL"!==e.completeness}function ye(e){return e.operation}function he(e){return"FULL"===e.completeness}function me(e){return!fe(e)}var ke=function(e){return function(t){var r=t.forward,n=t.client;e||(e={});var i=new ee(e.resolvers,e.updates,e.optimistic,e.keys),o=new Set,u=new Map,a=Object.create(null),s=function(e,t){var r=new Set;function i(e){return r.add(e)}t.forEach(function(e){var t=a[e];void 0!==t&&(a[e]=[],t.forEach(i))}),r.forEach(function(t){if(t!==e.key){var r=u.get(t);u.delete(t),n.reexecuteOperation(r)}})},y=function(e){if(u=ce(n=e),function(e){return"mutation"===e.operationName}(n)&&"network-only"!==u){var t=e.key,r=Q(i,e,t).dependencies;0!==r.size&&(o.add(t),s(e,r))}var n,u},h=function(e,t){t.forEach(function(t){(a[t]||(a[t]=[])).push(e.key),u.has(e.key)||u.set(e.key,"network-only"===e.context.requestPolicy?ve(e,"cache-and-network"):e)})},m=function(e){var t=ce(e),r=te(i,e),n="cache-only"===t||"FULL"===r.completeness;return n&&h(e,r.dependencies),{operation:e,completeness:n?"FULL":"EMPTY",data:r.data}},k=function(e){var t,r=e.data,n=e.operation;null!=r&&(t=N(i,n,r).dependencies);var u=n.key;o.has(u)&&(o.delete(u),i.clearOptimistic(u)),void 0!==t&&(s(n,t),le(n)&&h(n,t))};function g(e){var t=e.operation;if("cache-and-network"===ce(t)){var r=ve(t,"network-only");n.reexecuteOperation(r)}}return function(e){var t=c(e,l(se),f(y),v),n=c(t,d(de),l(m),v),i=c(n,d(pe),l(ye)),o=c(n,d(he),f(g),l(ae("hit"))),u=c(r(p([c(t,d(me)),i])),f(k),l(ae("miss")));return p([u,o])}}};export{ee as Store,ke as cacheExchange,q as defaultKeyOfEntity,te as query,N as write,U as writeFragment,Q as writeOptimistic};
+import"warning";import{Kind as e}from"graphql";import{asMutable as t,make as r,clearOptimistic as n,get as i,setOptimistic as o,remove as u}from"pessimism";import a from"fast-json-stable-stringify";import{formatDocument as s}from"urql";import{pipe as l,map as c,tap as f,share as v,filter as d,merge as p}from"wonka";var y=function(e){return e.name.value},h=function(e){switch(e.operation){case"query":return"Query";case"mutation":return"Mutation";case"subscription":return"Subscription"}},m=function(e){return void 0!==e.alias?e.alias.value:y(e)},k=function(e){return void 0!==e.selectionSet?e.selectionSet.selections:[]},g=function(t){return t.kind===e.FIELD},b=function(t){return t.kind===e.INLINE_FRAGMENT},_=function(t,r){switch(t.kind){case e.NULL:return null;case e.INT:return parseInt(t.value,10);case e.FLOAT:return parseFloat(t.value);case e.LIST:for(var n=new Array(t.values.length),i=0,o=t.values.length;i<o;i++)n[i]=_(t.values[i],r);return n;case e.OBJECT:for(var u=Object.create(null),a=0,s=t.fields.length;a<s;a++){var l=t.fields[a];u[y(l)]=_(l.value,r)}return u;case e.VARIABLE:var c=r[y(t)];return void 0!==c?c:null;default:return t.value}},w=function(e,t){if(void 0===e.arguments||0===e.arguments.length)return null;for(var r=Object.create(null),n=0,i=e.arguments.length;n<i;n++){var o=e.arguments[n];r[y(o)]=_(o.value,t)}return r},O=function(e,t){if(void 0===e.variableDefinitions)return{};var r=t||{};return e.variableDefinitions.reduce(function(e,t){var n=y(t.variable),i=r[n];if(void 0===i){if(void 0===t.defaultValue)return e;i=_(t.defaultValue,r)}return e[n]=i,e},Object.create(null))},x=function(t){return t.kind===e.FRAGMENT_DEFINITION};function L(t){return t.kind===e.OPERATION_DEFINITION}var S=function(e){return e.definitions.find(L)};function E(e,t){return e[y(t)]=t,e}var A=function(e){return e.definitions.filter(x).reduce(E,{})},F=function(e,t){if(void 0===e.directives)return!0;for(var r=e.directives,n=0,i=r.length;n<i;n++){var o=r[n],u=y(o),a="include"===u;if(a||"skip"===u){var s=o.arguments?o.arguments[0]:null;if(s&&"if"===y(s)){var l=_(s.value,t);if("boolean"==typeof l||null===l)return a?!!l:!l}}}return!0},q=function(e){var t=e.__typename,r=void 0===e.id?e._id:e.id;return null==t?null:"Query"===t||"Mutation"===t||"Subscription"===t?t:null==r?null:t+":"+r},R=function(e,t){return t?e+"("+a(t)+")":e},j=function(e,t){return e+"."+t};function M(){return(M=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e}).apply(this,arguments)}var T=function(e,t,r,n){return!(!t||t!==(void 0!==(i=e.typeCondition)?y(i):null)&&k(e).some(function(e){if(!g(e))return!1;var t=y(e),i=w(e,n.variables),o=R(t,i);return!n.store.hasField(j(r,o))}));var i},I=function(e,t,r,n){this.typename=e,this.entityKey=t,this.context=n,this.indexStack=[0],this.selectionStack=[r]};I.prototype.next=function(){for(;0!==this.indexStack.length;){var e=this.indexStack[this.indexStack.length-1]++,t=this.selectionStack[this.selectionStack.length-1];if(e>=t.length)this.indexStack.pop(),this.selectionStack.pop();else{var r=t[e];if(F(r,this.context.variables)){if(g(r)){if("__typename"===y(r))continue;return r}var n=b(r)?r:this.context.fragments[y(r)];void 0!==n&&T(n,this.typename,this.entityKey,this.context)&&(this.indexStack.push(0),this.selectionStack.push(k(n)))}}}};var N=function(e){return Array.isArray(e)?e.some(N):"object"!=typeof e||null!==e&&"string"!=typeof e.__typename},P=function(e,t,r){J(0);var n=Q(e,t,r);return H(),n},Q=function(e,t,r){var n=S(t.query),i={dependencies:W()},o={variables:O(n,t.variables),fragments:A(t.query),result:i,store:e},u=k(n),a=h(n);return"Query"===a?Y(o,a,u,r):C(o,a,u,r),i},U=function(e,t,r){J(r);var n=S(t.query),i={dependencies:W()},o={variables:O(n,t.variables),fragments:A(t.query),result:i,store:e},u=h(n);if("Mutation"===u)for(var a,s=k(n),l=new I(u,u,s,o);void 0!==(a=l.next());)if(void 0!==a.selectionSet){var c=y(a),f=o.store.optimisticMutations[c];if(void 0!==f){var v=w(a,o.variables),d=k(a),p=f(v||{},o.store,o);N(p)||K(o,p,d)}}return H(),i},V=function(e,t,r){var n=A(t),i=n[Object.keys(n)[0]];if(void 0!==i){var o=k(i),u=M({},r,{__typename:i.typeCondition.name.value}),a=e.keyOfEntity(u);if(a){var s={variables:{},fragments:n,result:{dependencies:W()},store:e};Y(s,a,o,u)}}},Y=function(e,t,r,n){var i=e.store,o=e.variables,u="Query"===t,a=n.__typename;u||X(t),i.writeField(u?t:a,t,"__typename");for(var s,l=new I(a,t,r,e);void 0!==(s=l.next());){var c=y(s),f=w(s,o),v=j(t,R(c,f)),d=n[m(s)];if(u&&X(v),void 0===s.selectionSet)i.writeRecord(d,v);else if(N(d))i.writeRecord(d,v);else{var p=k(s),h=D(e,v,p,d);i.writeLink(h,v),i.removeRecord(v)}}},D=function(e,t,r,n){if(Array.isArray(n)){for(var i=new Array(n.length),o=0,u=n.length;o<u;o++){var a=n[o],s=j(t,""+o),l=D(e,s,r,a);i[o]=l}return i}if(null===n)return null;var c=e.store.keyOfEntity(n),f=null!==c?c:t;return Y(e,f,r,n),f},C=function(e,t,r,n){for(var i,o=new I(t,t,r,e);void 0!==(i=o.next());){var u=y(i),a=m(i),s=w(i,e.variables),l=n[a];if(void 0!==i.selectionSet&&null!==l&&!N(l)){var c=k(i);K(e,l,c)}if("Mutation"===t||"Subscription"===t){var f=e.store.updates[t][u];void 0!==f&&f(n,s||{},e.store,e)}}},K=function(e,t,r){if(Array.isArray(t)){for(var n=new Array(t.length),i=0,o=t.length;i<o;i++)n[i]=K(e,t[i],r);return n}if(null!==t){var u=e.store.keyOfEntity(t);null!==u?Y(e,u,r,t):C(e,t.__typename,r,t)}},B=function(e,t,r){var n,i=e.store,o=e.variables,u="Query"===t;if(u)n=t;else{if(X(t),"string"!=typeof(n=i.getField(t,"__typename")))return;i.removeRecord(j(t,R("__typename")))}for(var a,s=new I(n,t,r,e);void 0!==(a=s.next());){var l=y(a),c=w(a,o),f=j(t,R(l,c));if(u&&X(f),void 0===a.selectionSet)i.removeRecord(f);else{var v=k(a),d=i.getLink(f);if(i.removeLink(f),void 0===d)void 0!==i.getRecord(f)&&i.removeRecord(f);else if(Array.isArray(d))for(var p=0,h=d.length;p<h;p++){var m=d[p];null!==m&&B(e,m,v)}else null!==d&&B(e,d,v)}}},G={current:null},z={current:null},J=function(e){G.current=new Set,z.current=e},H=function(){G.current=null,z.current=null},W=function(){return G.current},X=function(e){G.current.add(e)},Z=function(e,t,r){return o(e,t,r,z.current||0)},$=function(e,t){var r=z.current||0;return r?o(e,t,void 0,r):u(e,t)},ee=function(e,n,i,o){this.records=t(r()),this.links=t(r()),this.resolvers=e||{},this.updates={Mutation:n&&n.Mutation||{},Subscription:n&&n.Subscription||{}},this.optimisticMutations=i||{},this.keys=o||{}};ee.prototype.keyOfEntity=function(e){var t=e.__typename;return void 0!==t&&void 0!==this.keys[t]?this.keys[t](e):q(e)},ee.prototype.clearOptimistic=function(e){this.records=n(this.records,e),this.links=n(this.links,e)},ee.prototype.getRecord=function(e){return i(this.records,e)},ee.prototype.removeRecord=function(e){return this.records=$(this.records,e)},ee.prototype.writeRecord=function(e,t){return this.records=Z(this.records,t,e)},ee.prototype.getField=function(e,t,r){var n=j(e,R(t,r));return this.getRecord(n)},ee.prototype.writeField=function(e,t,r,n){var i=j(t,R(r,n));return this.records=Z(this.records,i,e)},ee.prototype.getLink=function(e){return i(this.links,e)},ee.prototype.removeLink=function(e){return this.links=$(this.links,e)},ee.prototype.writeLink=function(e,t){return this.links=Z(this.links,t,e)},ee.prototype.resolveValueOrLink=function(e){var t=this.getRecord(e);return void 0!==t?t:this.getLink(e)||null},ee.prototype.resolve=function(e,t,r){if("string"==typeof e)return X(e),this.resolveValueOrLink(j(e,R(t,r)));var n=this.keyOfEntity(e);return null===n?null:(X(n),this.resolveValueOrLink(j(n,R(t,r))))},ee.prototype.invalidateQuery=function(e,t){!function(e,t){J(0);var r=S(t.query),n={variables:O(r,t.variables),fragments:A(t.query),store:e};B(n,"Query",k(r)),H()}(this,{query:e,variables:t})},ee.prototype.hasField=function(e){return void 0!==this.getRecord(e)||void 0!==this.getLink(e)},ee.prototype.updateQuery=function(e,t){var r=re(this,e),n=t("EMPTY"===r.completeness?null:r.data);null!==n&&Q(this,e,n)},ee.prototype.writeFragment=function(e,t){V(this,e,t)};var te=function(e,t){J(0);var r=re(e,t);return H(),r},re=function(e,t){var r=S(t.query),n=Object.create(null),i={completeness:"FULL",dependencies:W(),data:n},o={variables:O(r,t.variables),fragments:A(t.query),result:i,store:e};return i.data=ue(o,"Query",k(r),n),i},ne=function(e,t,r){J(0);var n=S(t.query),i={completeness:"FULL",dependencies:W(),data:null},o={variables:O(n,t.variables),fragments:A(t.query),result:i,store:e};return i.data=ie(o,h(n),k(n),r),H(),i},ie=function(e,t,r,n){if("string"!=typeof n.__typename)return n;var i=Object.create(null);i.__typename=n.__typename;for(var o,u=new I(t,t,r,e);void 0!==(o=u.next());){var a=m(o),s=n[a];i[a]=void 0===o.selectionSet||null===s||N(s)?s:oe(e,k(o),s)}return i},oe=function(e,t,r){if(Array.isArray(r)){for(var n=new Array(r.length),i=0,o=r.length;i<o;i++)n[i]=oe(e,t,r[i]);return n}if(null===r)return null;var u=e.store.keyOfEntity(r);if(null!==u){var a=Object.create(null);return ue(e,u,t,a)}return ie(e,r.__typename,t,r)},ue=function(e,t,r,n){var i="Query"===t;i||X(t);var o=e.store,u=e.variables,a=i?"Query":o.getField(t,"__typename");if("string"!=typeof a)return e.result.completeness="EMPTY",null;n.__typename=a;for(var s,l=new I(a,t,r,e);void 0!==(s=l.next());){var c=y(s),f=w(s,u),v=m(s),d=j(t,R(c,f)),p=o.getRecord(d);i&&X(d);var h=o.resolvers[a];if(void 0!==h&&h.hasOwnProperty(c)){void 0!==p&&(n[v]=p);var g=h[c](n,f||{},o,e);if(void 0===s.selectionSet)n[v]=void 0!==g?g:null;else{var b=k(s);n[v]=ae(e,g,d,b,n[v])}}else if(void 0===s.selectionSet)void 0===p?(e.result.completeness="EMPTY",n[v]=null):n[v]=p;else{var _=k(s),O=o.getLink(d);void 0===O?"object"==typeof p&&null!==p?n[v]=p:(e.result.completeness="EMPTY",n[v]=null):n[v]=se(e,O,_,n[v])}}return n},ae=function(e,t,r,n,i){if(Array.isArray(t))return t.map(function(t,o){var u=void 0!==i?i[o]:void 0,a=j(r,""+o);return ae(e,t,a,n,u)});if(null===t)return null;if(le(t)){var o=void 0===i?Object.create(null):i,u=("string"==typeof t?t:e.store.keyOfEntity(t))||r,a=ue(e,u,n,o);if(null!==a&&"object"==typeof t)for(r in t)"__typename"!==r&&t.hasOwnProperty(r)&&(a[r]=t[r]);return a}return e.result.completeness="EMPTY",null},se=function(e,t,r,n){if(Array.isArray(t)){for(var i=new Array(t.length),o=0,u=t.length;o<u;o++)i[o]=se(e,t[o],r,void 0!==n?n[o]:void 0);return i}if(null===t)return null;var a=void 0===n?Object.create(null):n;return ue(e,t,r,a)},le=function(e){return"string"==typeof e||"object"==typeof e&&null!==e&&"string"==typeof e.__typename},ce=function(e){return function(t){return{data:t.data,error:t.error,extensions:t.extensions,operation:M({},t.operation,{context:M({},t.operation.context,{meta:M({},t.operation.context.meta,{cacheOutcome:e})})})}}},fe=function(e){return M({},e,{query:s(e.query)})},ve=function(e){return e.context.requestPolicy},de=function(e){return"query"===e.operationName},pe=function(e){var t=ve(e);return de(e)&&"network-only"!==t},ye=function(e,t){return M({},e,{context:M({},e.context,{requestPolicy:t})})};function he(e){return pe(e)}function me(e){return"FULL"!==e.completeness}function ke(e){return e.operation}function ge(e){return"FULL"===e.completeness}function be(e){return!pe(e)}var _e=function(e){return function(t){var r=t.forward,n=t.client;e||(e={});var i=new ee(e.resolvers,e.updates,e.optimistic,e.keys),o=new Set,u=new Map,a=Object.create(null),s=function(e,t){var r=new Set;function i(e){return r.add(e)}t.forEach(function(e){var t=a[e];void 0!==t&&(a[e]=[],t.forEach(i))}),r.forEach(function(t){if(t!==e.key){var r=u.get(t);u.delete(t),n.reexecuteOperation(r)}})},y=function(e){if(u=ve(n=e),function(e){return"mutation"===e.operationName}(n)&&"network-only"!==u){var t=e.key,r=U(i,e,t).dependencies;0!==r.size&&(o.add(t),s(e,r))}var n,u},h=function(e,t){t.forEach(function(t){(a[t]||(a[t]=[])).push(e.key),u.has(e.key)||u.set(e.key,"network-only"===e.context.requestPolicy?ye(e,"cache-and-network"):e)})},m=function(e){var t=ve(e),r=te(i,e),n="cache-only"===t||"FULL"===r.completeness;return n&&h(e,r.dependencies),{operation:e,completeness:n?"FULL":"EMPTY",data:r.data}},k=function(e){var t,r,n=e.operation,u=e.error,a=e.extensions,l=de(n),c=e.data,f=n.key;if(o.has(f)&&(o.delete(f),i.clearOptimistic(f)),null!=c)if(t=P(i,n,c).dependencies,l){var v=te(i,n);c=v.data,r=v.dependencies}else c=ne(i,n,c).data;return void 0!==t&&s(e.operation,t),l&&void 0!==r&&h(e.operation,r),{data:c,error:u,extensions:a,operation:n}};function g(e){var t=e.operation;if("cache-and-network"===ve(t)){var r=ye(t,"network-only");n.reexecuteOperation(r)}}return function(e){var t=l(e,c(fe),f(y),v),n=l(t,d(he),c(m),v),i=l(n,d(me),c(ke)),o=l(n,d(ge),f(g),c(ce("hit"))),u=l(r(p([l(t,d(be)),i])),c(k),c(ce("miss")));return p([u,o])}}};export{ee as Store,_e as cacheExchange,q as defaultKeyOfEntity,te as query,ne as readOperation,P as write,V as writeFragment,U as writeOptimistic};
 //# sourceMappingURL=urql-exchange-graphcache.es.min.js.map

dist/urql-exchange-graphcache.js

@@ -279,2 +279,9 @@ "use strict";
 
+var isScalar = function(x) {
+  if (Array.isArray(x)) {
+    return x.some(isScalar);
+  }
+  return "object" != typeof x || null !== x && "string" != typeof x.__typename;
+};
+
 var write = function(store, request, data) {
@@ -392,3 +399,4 @@ initStoreState(0);
     } else if (!isScalar(fieldValue)) {
-      var link = writeField(ctx, fieldKey, node.selectionSet.selections, fieldValue);
+      var fieldSelect = getSelectionSet(node);
+      var link = writeField(ctx, fieldKey, fieldSelect, fieldValue);
       store.writeLink(link, fieldKey);
@@ -432,3 +440,4 @@ store.removeRecord(fieldKey);
     if (void 0 !== node.selectionSet && null !== fieldValue && !isScalar(fieldValue)) {
-      writeRootField(ctx, fieldValue, node.selectionSet.selections);
+      var fieldSelect = getSelectionSet(node);
+      writeRootField(ctx, fieldValue, fieldSelect);
     }
@@ -462,9 +471,2 @@ if ("Mutation" === typename || "Subscription" === typename) {
 
-var isScalar = function(x) {
-  if (Array.isArray(x)) {
-    return x.some(isScalar);
-  }
-  return "object" != typeof x || null !== x && "string" != typeof x.__typename;
-};
-
 var invalidateSelection = function(ctx, entityKey, select) {
@@ -697,2 +699,60 @@ var store = ctx.store;
 
+var readOperation = function(store, request, data) {
+  initStoreState(0);
+  var operation = getMainOperation(request.query);
+  var result = {
+    completeness: "FULL",
+    dependencies: getCurrentDependencies(),
+    data: null
+  };
+  var ctx = {
+    variables: normalizeVariables(operation, request.variables),
+    fragments: getFragments(request.query),
+    result: result,
+    store: store
+  };
+  result.data = readRoot(ctx, getOperationName(operation), getSelectionSet(operation), data);
+  clearStoreState();
+  return result;
+};
+
+var readRoot = function(ctx, entityKey, select, originalData) {
+  if ("string" != typeof originalData.__typename) {
+    return originalData;
+  }
+  var data = Object.create(null);
+  data.__typename = originalData.__typename;
+  var iter = new SelectionIterator(entityKey, entityKey, select, ctx);
+  var node;
+  while (void 0 !== (node = iter.next())) {
+    var fieldAlias = getFieldAlias(node);
+    var fieldValue = originalData[fieldAlias];
+    if (void 0 !== node.selectionSet && null !== fieldValue && !isScalar(fieldValue)) {
+      data[fieldAlias] = readRootField(ctx, getSelectionSet(node), fieldValue);
+    } else {
+      data[fieldAlias] = fieldValue;
+    }
+  }
+  return data;
+};
+
+var readRootField = function(ctx, select, originalData) {
+  if (Array.isArray(originalData)) {
+    var newData = new Array(originalData.length);
+    for (var i = 0, l = originalData.length; i < l; i++) {
+      newData[i] = readRootField(ctx, select, originalData[i]);
+    }
+    return newData;
+  } else if (null === originalData) {
+    return null;
+  }
+  var entityKey = ctx.store.keyOfEntity(originalData);
+  if (null !== entityKey) {
+    var data = Object.create(null);
+    return readSelection(ctx, entityKey, select, data);
+  } else {
+    return readRoot(ctx, originalData.__typename, select, originalData);
+  }
+};
+
 var readSelection = function(ctx, entityKey, select, data) {
@@ -724,2 +784,5 @@ var isQuery = "Query" === entityKey;
     if (void 0 !== resolvers && resolvers.hasOwnProperty(fieldName)) {
+      if (void 0 !== fieldValue) {
+        data[fieldAlias] = fieldValue;
+      }
       var resolverValue = resolvers[fieldName](data, fieldArgs || {}, store, ctx);
@@ -934,9 +997,8 @@ if (void 0 === node.selectionSet) {
     };
-    var updateCacheWithResult = function(ref) {
-      var data = ref.data;
-      var operation = ref.operation;
-      var dependencies;
-      if (null != data) {
-        dependencies = write(store, operation, data).dependencies;
-      }
+    var updateCacheWithResult = function(result) {
+      var operation = result.operation;
+      var error = result.error;
+      var extensions = result.extensions;
+      var isQuery = isQueryOperation(operation);
+      var data = result.data;
       var key = operation.key;
@@ -947,8 +1009,25 @@ if (optimisticKeys.has(key)) {
       }
-      if (void 0 !== dependencies) {
-        processDependencies(operation, dependencies);
-        if (isQueryOperation(operation)) {
-          updateDependencies(operation, dependencies);
+      var writeDependencies, queryDependencies;
+      if (null != data) {
+        writeDependencies = write(store, operation, data).dependencies;
+        if (isQuery) {
+          var queryResult = query(store, operation);
+          data = queryResult.data;
+          queryDependencies = queryResult.dependencies;
+        } else {
+          data = readOperation(store, operation, data).data;
         }
       }
+      if (void 0 !== writeDependencies) {
+        processDependencies(result.operation, writeDependencies);
+      }
+      if (isQuery && void 0 !== queryDependencies) {
+        updateDependencies(result.operation, queryDependencies);
+      }
+      return {
+        data: data,
+        error: error,
+        extensions: extensions,
+        operation: operation
+      };
     };
@@ -967,3 +1046,3 @@ function _ref6(ref) {
       var cacheResult$ = wonka.pipe(cache$, wonka.filter(_ref5), wonka.tap(_ref6), wonka.map(addCacheOutcome("hit")));
-      var result$ = wonka.pipe(forward(wonka.merge([ wonka.pipe(sharedOps$, wonka.filter(_ref7)), cacheOps$ ])), wonka.tap(updateCacheWithResult), wonka.map(addCacheOutcome("miss")));
+      var result$ = wonka.pipe(forward(wonka.merge([ wonka.pipe(sharedOps$, wonka.filter(_ref7)), cacheOps$ ])), wonka.map(updateCacheWithResult), wonka.map(addCacheOutcome("miss")));
       return wonka.merge([ result$, cacheResult$ ]);
@@ -978,2 +1057,4 @@ };
 
+exports.readOperation = readOperation;
+
 exports.write = write;
@@ -980,0 +1061,0 @@

dist/urql-exchange-graphcache.min.js

@@ -1,2 +0,2 @@
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e=this.indexStack[this.indexStack.length-1]++,t=this.selectionStack[this.selectionStack.length-1];if(e>=t.length)this.indexStack.pop(),this.selectionStack.pop();else{var r=t[e];if(b(r,this.context.variables)){if(c(r)){if("__typename"===a(r))continue;return r}var n=f(r)?r:this.context.fragments[a(r)];void 0!==n&&L(n,this.typename,this.entityKey,this.context)&&(this.indexStack.push(0),this.selectionStack.push(l(n)))}}}};var E=function(e){return Array.isArray(e)?e.some(E):"object"!=typeof e||null!==e&&"string"!=typeof e.__typename},q=function(e,t,r){Q(0);var n=A(e,t,r);return U(),n},A=function(e,t,r){var n=m(t.query),i={dependencies:D()},o={variables:d(n,t.variables),fragments:k(t.query),result:i,store:e},a=l(n),s=u(n);return"Query"===s?j(o,s,a,r):T(o,s,a,r),i},F=function(e,t,r){Q(r);var n=m(t.query),i={dependencies:D()},o={variables:d(n,t.variables),fragments:k(t.query),result:i,store:e},s=u(n);if("Mutation"===s)for(var c,f=l(n),v=new S(s,s,f,o);void 0!==(c=v.next());)if(void 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j(e,f,r,n),f},T=function(e,t,r,n){for(var i,o=new S(t,t,r,e);void 0!==(i=o.next());){var u=a(i),c=s(i),f=p(i,e.variables),v=n[c];if(void 0!==i.selectionSet&&null!==v&&!E(v)){var d=l(i);I(e,v,d)}if("Mutation"===t||"Subscription"===t){var y=e.store.updates[t][u];void 0!==y&&y(n,f||{},e.store,e)}}},I=function(e,t,r){if(Array.isArray(t)){for(var n=new Array(t.length),i=0,o=t.length;i<o;i++)n[i]=I(e,t[i],r);return n}if(null!==t){var a=e.store.keyOfEntity(t);null!==a?j(e,a,r,t):T(e,t.__typename,r,t)}},P=function(e,t,r){var n,i=e.store,o=e.variables,u="Query"===t;if(u)n=t;else{if(V(t),"string"!=typeof(n=i.getField(t,"__typename")))return;i.removeRecord(w(t,_("__typename")))}for(var s,c=new S(n,t,r,e);void 0!==(s=c.next());){var f=a(s),v=p(s,o),d=w(t,_(f,v));if(u&&V(d),void 0===s.selectionSet)i.removeRecord(d);else{var y=l(s),h=i.getLink(d);if(i.removeLink(d),void 0===h)void 0!==i.getRecord(d)&&i.removeRecord(d);else if(Array.isArray(h))for(var m=0,g=h.length;m<g;m++){var k=h[m];null!==k&&P(e,k,y)}else null!==h&&P(e,h,y)}}},K={current:null},N={current:null},Q=function(e){K.current=new Set,N.current=e},U=function(){K.current=null,N.current=null},D=function(){return K.current},V=function(e){K.current.add(e)},Y=function(e,t,n){return r.setOptimistic(e,t,n,N.current||0)},C=function(e,t){var n=N.current||0;return n?r.setOptimistic(e,t,void 0,n):r.remove(e,t)},B=function(e,t,n,i){this.records=r.asMutable(r.make()),this.links=r.asMutable(r.make()),this.resolvers=e||{},this.updates={Mutation:t&&t.Mutation||{},Subscription:t&&t.Subscription||{}},this.optimisticMutations=n||{},this.keys=i||{}};B.prototype.keyOfEntity=function(e){var t=e.__typename;return void 0!==t&&void 0!==this.keys[t]?this.keys[t](e):O(e)},B.prototype.clearOptimistic=function(e){this.records=r.clearOptimistic(this.records,e),this.links=r.clearOptimistic(this.links,e)},B.prototype.getRecord=function(e){return r.get(this.records,e)},B.prototype.removeRecord=function(e){return this.records=C(this.records,e)},B.prototype.writeRecord=function(e,t){return this.records=Y(this.records,t,e)},B.prototype.getField=function(e,t,r){var n=w(e,_(t,r));return this.getRecord(n)},B.prototype.writeField=function(e,t,r,n){var i=w(t,_(r,n));return this.records=Y(this.records,i,e)},B.prototype.getLink=function(e){return r.get(this.links,e)},B.prototype.removeLink=function(e){return this.links=C(this.links,e)},B.prototype.writeLink=function(e,t){return this.links=Y(this.links,t,e)},B.prototype.resolveValueOrLink=function(e){var t=this.getRecord(e);return void 0!==t?t:this.getLink(e)||null},B.prototype.resolve=function(e,t,r){if("string"==typeof e)return V(e),this.resolveValueOrLink(w(e,_(t,r)));var n=this.keyOfEntity(e);return null===n?null:(V(n),this.resolveValueOrLink(w(n,_(t,r))))},B.prototype.invalidateQuery=function(e,t){!function(e,t){Q(0);var r=m(t.query),n={variables:d(r,t.variables),fragments:k(t.query),store:e};P(n,"Query",l(r)),U()}(this,{query:e,variables:t})},B.prototype.hasField=function(e){return void 0!==this.getRecord(e)||void 0!==this.getLink(e)},B.prototype.updateQuery=function(e,t){var r=z(this,e),n=t("EMPTY"===r.completeness?null:r.data);null!==n&&A(this,e,n)},B.prototype.writeFragment=function(e,t){M(this,e,t)};var G=function(e,t){Q(0);var r=z(e,t);return U(),r},z=function(e,t){var r=m(t.query),n=Object.create(null),i={completeness:"FULL",dependencies:D(),data:n},o={variables:d(r,t.variables),fragments:k(t.query),result:i,store:e};return i.data=X(o,"Query",l(r),n),i},J=function(e,t,r){Q(0);var n=m(t.query),i={completeness:"FULL",dependencies:D(),data:null},o={variables:d(n,t.variables),fragments:k(t.query),result:i,store:e};return i.data=H(o,u(n),l(n),r),U(),i},H=function(e,t,r,n){if("string"!=typeof n.__typename)return n;var i=Object.create(null);i.__typename=n.__typename;for(var o,a=new S(t,t,r,e);void 0!==(o=a.next());){var u=s(o),c=n[u];i[u]=void 0===o.selectionSet||null===c||E(c)?c:W(e,l(o),c)}return i},W=function(e,t,r){if(Array.isArray(r)){for(var n=new Array(r.length),i=0,o=r.length;i<o;i++)n[i]=W(e,t,r[i]);return n}if(null===r)return null;var a=e.store.keyOfEntity(r);if(null!==a){var u=Object.create(null);return X(e,a,t,u)}return H(e,r.__typename,t,r)},X=function(e,t,r,n){var i="Query"===t;i||V(t);var o=e.store,u=e.variables,c=i?"Query":o.getField(t,"__typename");if("string"!=typeof c)return e.result.completeness="EMPTY",null;n.__typename=c;for(var f,v=new S(c,t,r,e);void 0!==(f=v.next());){var d=a(f),y=p(f,u),h=s(f),m=w(t,_(d,y)),g=o.getRecord(m);i&&V(m);var k=o.resolvers[c];if(void 0!==k&&k.hasOwnProperty(d)){void 0!==g&&(n[h]=g);var b=k[d](n,y||{},o,e);if(void 0===f.selectionSet)n[h]=void 0!==b?b:null;else{var O=l(f);n[h]=Z(e,b,m,O,n[h])}}else if(void 0===f.selectionSet)void 0===g?(e.result.completeness="EMPTY",n[h]=null):n[h]=g;else{var x=l(f),L=o.getLink(m);void 0===L?"object"==typeof g&&null!==g?n[h]=g:(e.result.completeness="EMPTY",n[h]=null):n[h]=$(e,L,x,n[h])}}return n},Z=function(e,t,r,n,i){if(Array.isArray(t))return t.map(function(t,o){var a=void 0!==i?i[o]:void 0,u=w(r,""+o);return Z(e,t,u,n,a)});if(null===t)return null;if(ee(t)){var o=void 0===i?Object.create(null):i,a=("string"==typeof t?t:e.store.keyOfEntity(t))||r,u=X(e,a,n,o);if(null!==u&&"object"==typeof t)for(r in t)"__typename"!==r&&t.hasOwnProperty(r)&&(u[r]=t[r]);return u}return e.result.completeness="EMPTY",null},$=function(e,t,r,n){if(Array.isArray(t)){for(var i=new Array(t.length),o=0,a=t.length;o<a;o++)i[o]=$(e,t[o],r,void 0!==n?n[o]:void 0);return i}if(null===t)return null;var u=void 0===n?Object.create(null):n;return X(e,t,r,u)},ee=function(e){return"string"==typeof e||"object"==typeof e&&null!==e&&"string"==typeof e.__typename},te=function(e){return function(t){return{data:t.data,error:t.error,extensions:t.extensions,operation:x({},t.operation,{context:x({},t.operation.context,{meta:x({},t.operation.context.meta,{cacheOutcome:e})})})}}},re=function(e){return x({},e,{query:i.formatDocument(e.query)})},ne=function(e){return e.context.requestPolicy},ie=function(e){return"query"===e.operationName},oe=function(e){var t=ne(e);return ie(e)&&"network-only"!==t},ae=function(e,t){return x({},e,{context:x({},e.context,{requestPolicy:t})})};function ue(e){return oe(e)}function se(e){return"FULL"!==e.completeness}function le(e){return e.operation}function ce(e){return"FULL"===e.completeness}function fe(e){return!oe(e)}exports.Store=B,exports.cacheExchange=function(e){return function(t){var r=t.forward,n=t.client;e||(e={});var i=new B(e.resolvers,e.updates,e.optimistic,e.keys),a=new Set,u=new Map,s=Object.create(null),l=function(e,t){var r=new Set;function i(e){return r.add(e)}t.forEach(function(e){var t=s[e];void 0!==t&&(s[e]=[],t.forEach(i))}),r.forEach(function(t){if(t!==e.key){var r=u.get(t);u.delete(t),n.reexecuteOperation(r)}})},c=function(e){if(o=ne(n=e),function(e){return"mutation"===e.operationName}(n)&&"network-only"!==o){var t=e.key,r=F(i,e,t).dependencies;0!==r.size&&(a.add(t),l(e,r))}var n,o},f=function(e,t){t.forEach(function(t){(s[t]||(s[t]=[])).push(e.key),u.has(e.key)||u.set(e.key,"network-only"===e.context.requestPolicy?ae(e,"cache-and-network"):e)})},v=function(e){var t=ne(e),r=G(i,e),n="cache-only"===t||"FULL"===r.completeness;return n&&f(e,r.dependencies),{operation:e,completeness:n?"FULL":"EMPTY",data:r.data}},p=function(e){var t,r,n=e.operation,o=e.error,u=e.extensions,s=ie(n),c=e.data,v=n.key;if(a.has(v)&&(a.delete(v),i.clearOptimistic(v)),null!=c)if(t=q(i,n,c).dependencies,s){var p=G(i,n);c=p.data,r=p.dependencies}else c=J(i,n,c).data;return void 0!==t&&l(e.operation,t),s&&void 0!==r&&f(e.operation,r),{data:c,error:o,extensions:u,operation:n}};function d(e){var t=e.operation;if("cache-and-network"===ne(t)){var r=ae(t,"network-only");n.reexecuteOperation(r)}}return function(e){var t=o.pipe(e,o.map(re),o.tap(c),o.share),n=o.pipe(t,o.filter(ue),o.map(v),o.share),i=o.pipe(n,o.filter(se),o.map(le)),a=o.pipe(n,o.filter(ce),o.tap(d),o.map(te("hit"))),u=o.pipe(r(o.merge([o.pipe(t,o.filter(fe)),i])),o.map(p),o.map(te("miss")));return o.merge([u,a])}}},exports.defaultKeyOfEntity=O,exports.query=G,exports.readOperation=J,exports.write=q,exports.writeFragment=M,exports.writeOptimistic=F;
 //# sourceMappingURL=urql-exchange-graphcache.min.js.map

package.json

 {
   "name": "@urql/exchange-graphcache",
-  "version": "1.0.0-beta.4",
+  "version": "1.0.0-rc.0",
   "description": "A normalized and configurable cache exchange for urql",
@@ -5,0 +5,0 @@ "repository": "https://github.com/FormidableLabs/urql-exchange-graphcache",

src/exchange.test.ts

@@ -299,1 +299,327 @@ import gql from 'graphql-tag';
 });
+
+it('follows resolvers on initial write', () => {
+  const client = createClient({ url: '' });
+  const [ops$, next] = makeSubject<Operation>();
+
+  const opOne = client.createRequestOperation('query', {
+    key: 1,
+    query: queryOne,
+  });
+
+  const response = jest.fn(
+    (forwardOp: Operation): OperationResult => {
+      if (forwardOp.key === 1) {
+        return { operation: opOne, data: queryOneData };
+      }
+
+      return undefined as any;
+    }
+  );
+
+  const forward: ExchangeIO = ops$ =>
+    pipe(
+      ops$,
+      map(response)
+    );
+
+  const result = jest.fn();
+  const fakeResolver = jest.fn();
+
+  pipe(
+    cacheExchange({
+      resolvers: {
+        Author: {
+          name: () => {
+            fakeResolver();
+            return 'newName';
+          },
+        },
+      },
+    })({ forward, client })(ops$),
+    tap(result),
+    publish
+  );
+
+  next(opOne);
+  expect(response).toHaveBeenCalledTimes(1);
+  expect(fakeResolver).toHaveBeenCalledTimes(1);
+  expect(result).toHaveBeenCalledTimes(1);
+  expect(result.mock.calls[0][0].data).toEqual({
+    __typename: 'Query',
+    author: {
+      __typename: 'Author',
+      id: '123',
+      name: 'newName',
+    },
+  });
+});
+
+it('follows resolvers for mutations', () => {
+  jest.useFakeTimers();
+
+  const mutation = gql`
+    mutation {
+      concealAuthor {
+        id
+        name
+        __typename
+      }
+    }
+  `;
+
+  const mutationData = {
+    __typename: 'Mutation',
+    concealAuthor: {
+      __typename: 'Author',
+      id: '123',
+      name: '[REDACTED ONLINE]',
+    },
+  };
+
+  const client = createClient({ url: '' });
+  const [ops$, next] = makeSubject<Operation>();
+
+  const opOne = client.createRequestOperation('query', {
+    key: 1,
+    query: queryOne,
+  });
+
+  const opMutation = client.createRequestOperation('mutation', {
+    key: 2,
+    query: mutation,
+  });
+
+  const response = jest.fn(
+    (forwardOp: Operation): OperationResult => {
+      if (forwardOp.key === 1) {
+        return { operation: opOne, data: queryOneData };
+      } else if (forwardOp.key === 2) {
+        return { operation: opMutation, data: mutationData };
+      }
+
+      return undefined as any;
+    }
+  );
+
+  const result = jest.fn();
+  const forward: ExchangeIO = ops$ =>
+    pipe(
+      ops$,
+      delay(1),
+      map(response)
+    );
+
+  const fakeResolver = jest.fn();
+
+  pipe(
+    cacheExchange({
+      resolvers: {
+        Author: {
+          name: () => {
+            fakeResolver();
+            return 'newName';
+          },
+        },
+      },
+    })({ forward, client })(ops$),
+    tap(result),
+    publish
+  );
+
+  next(opOne);
+  jest.runAllTimers();
+  expect(response).toHaveBeenCalledTimes(1);
+
+  next(opMutation);
+  expect(response).toHaveBeenCalledTimes(1);
+  expect(fakeResolver).toHaveBeenCalledTimes(1);
+
+  jest.runAllTimers();
+  expect(result.mock.calls[1][0].data).toEqual({
+    __typename: 'Mutation',
+    concealAuthor: {
+      __typename: 'Author',
+      id: '123',
+      name: 'newName',
+    },
+  });
+});
+
+it('follows nested resolvers for mutations', () => {
+  jest.useFakeTimers();
+
+  const mutation = gql`
+    mutation {
+      concealAuthors {
+        id
+        name
+        book {
+          id
+          title
+          __typename
+        }
+        __typename
+      }
+    }
+  `;
+
+  const client = createClient({ url: '' });
+  const [ops$, next] = makeSubject<Operation>();
+
+  const query = gql`
+    query {
+      authors {
+        id
+        name
+        book {
+          id
+          title
+          __typename
+        }
+        __typename
+      }
+    }
+  `;
+
+  const queryOperation = client.createRequestOperation('query', {
+    key: 1,
+    query,
+  });
+
+  const mutationOperation = client.createRequestOperation('mutation', {
+    key: 2,
+    query: mutation,
+  });
+
+  const mutationData = {
+    __typename: 'Mutation',
+    concealAuthors: [
+      {
+        __typename: 'Author',
+        id: '123',
+        name: '[REDACTED ONLINE]',
+      },
+      {
+        __typename: 'Author',
+        id: '456',
+        name: 'Formidable',
+        book: {
+          id: '1',
+          title: 'AwesomeGQL',
+          __typename: 'Book',
+        },
+      },
+    ],
+  };
+
+  const queryData = {
+    __typename: 'Query',
+    authors: [
+      {
+        __typename: 'Author',
+        id: '123',
+        name: '[REDACTED ONLINE]',
+      },
+      {
+        __typename: 'Author',
+        id: '456',
+        name: 'Formidable',
+        book: {
+          id: '1',
+          title: 'AwesomeGQL',
+          __typename: 'Book',
+        },
+      },
+    ],
+  };
+
+  const response = jest.fn(
+    (forwardOp: Operation): OperationResult => {
+      if (forwardOp.key === 1) {
+        return { operation: queryOperation, data: queryData };
+      }
+      if (forwardOp.key === 2) {
+        return { operation: mutationOperation, data: mutationData };
+      }
+
+      return undefined as any;
+    }
+  );
+
+  const result = jest.fn();
+  const forward: ExchangeIO = ops$ =>
+    pipe(
+      ops$,
+      delay(1),
+      map(response)
+    );
+
+  const fakeResolver = jest.fn();
+  const called: any[] = [];
+
+  pipe(
+    cacheExchange({
+      resolvers: {
+        Author: {
+          name: parent => {
+            called.push(parent.name);
+            fakeResolver();
+            return 'Secret Author';
+          },
+        },
+        Book: {
+          title: parent => {
+            called.push(parent.title);
+            fakeResolver();
+            return 'Secret Book';
+          },
+        },
+      },
+    })({ forward, client })(ops$),
+    tap(result),
+    publish
+  );
+
+  next(queryOperation);
+  jest.runAllTimers();
+  expect(response).toHaveBeenCalledTimes(1);
+  expect(fakeResolver).toHaveBeenCalledTimes(3);
+
+  next(mutationOperation);
+  jest.runAllTimers();
+  expect(response).toHaveBeenCalledTimes(2);
+  expect(fakeResolver).toHaveBeenCalledTimes(6);
+  expect(result.mock.calls[1][0].data).toEqual({
+    __typename: 'Mutation',
+    concealAuthors: [
+      {
+        __typename: 'Author',
+        id: '123',
+        book: null,
+        name: 'Secret Author',
+      },
+      {
+        __typename: 'Author',
+        id: '456',
+        name: 'Secret Author',
+        book: {
+          id: '1',
+          title: 'Secret Book',
+          __typename: 'Book',
+        },
+      },
+    ],
+  });
+
+  expect(called).toEqual([
+    // Query
+    '[REDACTED ONLINE]',
+    'Formidable',
+    'AwesomeGQL',
+    // Mutation
+    '[REDACTED ONLINE]',
+    'Formidable',
+    'AwesomeGQL',
+  ]);
+});

src/exchange.ts

@@ -11,3 +11,3 @@ import {
 import { filter, map, merge, pipe, share, tap } from 'wonka';
-import { query, write, writeOptimistic } from './operations';
+import { query, write, writeOptimistic, readOperation } from './operations';
 import { Store } from './store';
@@ -189,7 +189,6 @@
   // Take any OperationResult and update the cache with it
-  const updateCacheWithResult = ({ data, operation }: OperationResult) => {
-    let dependencies;
-    if (data !== null && data !== undefined) {
-      dependencies = write(store, operation, data).dependencies;
-    }
+  const updateCacheWithResult = (result: OperationResult): OperationResult => {
+    const { operation, error, extensions } = result;
+    const isQuery = isQueryOperation(operation);
+    let { data } = result;
 
@@ -203,11 +202,26 @@ // Clear old optimistic values from the store
 
-    if (dependencies !== undefined) {
-      // Update operations that depend on the updated data (except the current one)
-      processDependencies(operation, dependencies);
+    let writeDependencies, queryDependencies;
+    if (data !== null && data !== undefined) {
+      writeDependencies = write(store, operation, data).dependencies;
 
-      // Update this operation's dependencies if it's a query
-      if (isQueryOperation(operation)) {
-        updateDependencies(operation, dependencies);
+      if (isQuery) {
+        const queryResult = query(store, operation);
+        data = queryResult.data;
+        queryDependencies = queryResult.dependencies;
+      } else {
+        data = readOperation(store, operation, data).data;
       }
     }
+
+    if (writeDependencies !== undefined) {
+      // Update operations that depend on the updated data (except the current one)
+      processDependencies(result.operation, writeDependencies);
+    }
+
+    // Update this operation's dependencies if it's a query
+    if (isQuery && queryDependencies !== undefined) {
+      updateDependencies(result.operation, queryDependencies);
+    }
+
+    return { data, error, extensions, operation };
   };
@@ -265,3 +279,3 @@
       ),
-      tap(updateCacheWithResult),
+      map(updateCacheWithResult),
       map(addCacheOutcome('miss'))
@@ -268,0 +282,0 @@ );

src/operations/index.ts

@@ -1,2 +0,2 @@
-export { query } from './query';
+export { query, readOperation } from './query';
 export { write, writeOptimistic, writeFragment } from './write';

src/operations/query.ts

@@ -11,2 +11,3 @@ import warning from 'warning';
   getFieldAlias,
+  getOperationName,
 } from '../ast';
@@ -23,2 +24,3 @@
   OperationRequest,
+  NullArray,
 } from '../types';
@@ -34,3 +36,3 @@
 
-import { SelectionIterator } from './shared';
+import { SelectionIterator, isScalar } from './shared';
 import { joinKeys, keyOfField } from '../helpers';
@@ -77,5 +79,98 @@
   result.data = readSelection(ctx, 'Query', getSelectionSet(operation), root);
+
   return result;
 };
 
+export const readOperation = (
+  store: Store,
+  request: OperationRequest,
+  data: Data
+) => {
+  initStoreState(0);
+
+  const operation = getMainOperation(request.query);
+
+  const result: QueryResult = {
+    completeness: 'FULL',
+    dependencies: getCurrentDependencies(),
+    data: null,
+  };
+
+  const ctx: Context = {
+    variables: normalizeVariables(operation, request.variables),
+    fragments: getFragments(request.query),
+    result,
+    store,
+  };
+
+  result.data = readRoot(
+    ctx,
+    getOperationName(operation),
+    getSelectionSet(operation),
+    data
+  );
+
+  clearStoreState();
+  return result;
+};
+
+export const readRoot = (
+  ctx: Context,
+  entityKey: string,
+  select: SelectionSet,
+  originalData: Data
+): Data => {
+  if (typeof originalData.__typename !== 'string') {
+    return originalData;
+  }
+
+  const data = Object.create(null);
+  data.__typename = originalData.__typename;
+
+  const iter = new SelectionIterator(entityKey, entityKey, select, ctx);
+
+  let node;
+  while ((node = iter.next()) !== undefined) {
+    const fieldAlias = getFieldAlias(node);
+    const fieldValue = originalData[fieldAlias];
+
+    if (
+      node.selectionSet !== undefined &&
+      fieldValue !== null &&
+      !isScalar(fieldValue)
+    ) {
+      data[fieldAlias] = readRootField(ctx, getSelectionSet(node), fieldValue);
+    } else {
+      data[fieldAlias] = fieldValue;
+    }
+  }
+
+  return data;
+};
+
+const readRootField = (
+  ctx: Context,
+  select: SelectionSet,
+  originalData: null | Data | NullArray<Data>
+): Data | NullArray<Data> | null => {
+  if (Array.isArray(originalData)) {
+    const newData = new Array(originalData.length);
+    for (let i = 0, l = originalData.length; i < l; i++)
+      newData[i] = readRootField(ctx, select, originalData[i]);
+    return newData;
+  } else if (originalData === null) {
+    return null;
+  }
+
+  // Write entity to key that falls back to the given parentFieldKey
+  const entityKey = ctx.store.keyOfEntity(originalData);
+  if (entityKey !== null) {
+    const data: Data = Object.create(null);
+    return readSelection(ctx, entityKey, select, data);
+  } else {
+    const typename = originalData.__typename;
+    return readRoot(ctx, typename, select, originalData);
+  }
+};
+
 const readSelection = (
@@ -117,2 +212,5 @@ ctx: Context,
       // We have a resolver for this field.
+      if (fieldValue !== undefined) {
+        data[fieldAlias] = fieldValue;
+      }
       const resolverValue = resolvers[fieldName](
@@ -119,0 +217,0 @@ data,

src/operations/shared.ts

 import { FieldNode, InlineFragmentNode, FragmentDefinitionNode } from 'graphql';
-import { Fragments, Variables, SelectionSet } from '../types';
+import { Fragments, Variables, SelectionSet, Scalar } from '../types';
 import { Store } from '../store';
@@ -106,1 +106,15 @@ import { joinKeys, keyOfField } from '../helpers';
 }
+
+// Without a typename field on Data or Data[] the result must be a scalar
+// This effectively prevents us from writing Data into the store that
+// doesn't have a __typename field
+export const isScalar = (x: any): x is Scalar | Scalar[] => {
+  if (Array.isArray(x)) {
+    return x.some(isScalar);
+  }
+
+  return (
+    typeof x !== 'object' ||
+    (x !== null && typeof (x as any).__typename !== 'string')
+  );
+};

src/operations/write.ts

@@ -22,3 +22,2 @@ import warning from 'warning';
   Link,
-  Scalar,
   SelectionSet,
@@ -36,3 +35,3 @@ OperationRequest,
 
-import { SelectionIterator } from './shared';
+import { SelectionIterator, isScalar } from './shared';
 import { joinKeys, keyOfField } from '../helpers';
@@ -209,3 +208,3 @@
       // Process the field and write links for the child entities that have been written
-      const { selections: fieldSelect } = node.selectionSet;
+      const fieldSelect = getSelectionSet(node);
       const link = writeField(ctx, fieldKey, fieldSelect, fieldValue);
@@ -295,3 +294,3 @@ store.writeLink(link, fieldKey);
     ) {
-      const { selections: fieldSelect } = node.selectionSet;
+      const fieldSelect = getSelectionSet(node);
       writeRootField(ctx, fieldValue, fieldSelect);
@@ -335,15 +334,1 @@ }
 };
-
-// Without a typename field on Data or Data[] the result must be a scalar
-// This effectively prevents us from writing Data into the store that
-// doesn't have a __typename field
-const isScalar = (x: any): x is Scalar | Scalar[] => {
-  if (Array.isArray(x)) {
-    return x.some(isScalar);
-  }
-
-  return (
-    typeof x !== 'object' ||
-    (x !== null && typeof (x as any).__typename !== 'string')
-  );
-};

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increased by8.02%

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increased by12.04%

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