Merge branch 'plugin' of github.com:coralproject/talk into plugin

2026-07-02 22:31:10 +08:00 · 2017-03-30 19:05:35 -03:00
parent 2d99206b51 492d919053
commit b7e00f1da4
3 changed files with 172 additions and 21 deletions
@@ -1,4 +1,7 @@
-const {forEachField} = require('graphql-tools');
+const {
+  GraphQLObjectType,
+  GraphQLInterfaceType
+} = require('graphql');
 const debug = require('debug')('talk:graph:schema');

 /**
@@ -22,6 +25,33 @@ const defaultResolveFn = (source, args, context, {fieldName}) => {
  }
 };

+// This function is pretty much copied verbatim from the graphql-tools repo:
+// https://github.com/apollographql/graphql-tools/blob/b12973c86e00be209d04af0184780998056051c4/src/schemaGenerator.ts#L180-L194
+// With the small alteration that we look for the `resolveType` function on the
+// schema so we can wrap post hooks around it to provide additional resolve
+// points.
+const forEachField = (schema, fn) => {
+  const typeMap = schema.getTypeMap();
+  Object.keys(typeMap).forEach((typeName) => {
+    const type = typeMap[typeName];
+
+    if (type instanceof GraphQLObjectType || type instanceof GraphQLInterfaceType) {
+
+      // Here we capture the change to extract the resolve type. We pass this
+      // with the `isResolveType = true` to introduce the specific beheviour.
+      if ('resolveType' in type) {
+        fn(type, typeName, '__resolveType', true);
+      }
+
+      const fields = type.getFields();
+      Object.keys(fields).forEach((fieldName) => {
+        const field = fields[fieldName];
+        fn(field, typeName, fieldName);
+      });
+    }
+  });
+};
+
 /**
 * Decorates the schema with pre and post hooks as provided by the Plugin
 * Manager.
@@ -29,7 +59,7 @@ const defaultResolveFn = (source, args, context, {fieldName}) => {
 * @param  {Array}         hooks  hooks to apply to the schema
 * @return {void}
 */
-const decorateWithHooks = (schema, hooks) => forEachField(schema, (field, typeName, fieldName) => {
+const decorateWithHooks = (schema, hooks) => forEachField(schema, (field, typeName, fieldName, isResolveType = false) => {

  // Pull out the pre/post hooks from the available hooks.
  const {
@@ -85,6 +115,48 @@ const decorateWithHooks = (schema, hooks) => forEachField(schema, (field, typeNa
    return;
  }

+  // If this is a resolve type, we need to do some specific things to handle
+  // this type of field.
+  if (isResolveType) {
+
+    // Warn if we have any pre hooks.
+    if (pre.length !== 0) {
+      throw new Error(`invalid pre hooks were found for ${typeName}.${fieldName}, only post hooks are supported on the __resolveType hook`);
+    }
+
+    // This only needs to do something if post hooks are defined.
+    if (post.length === 0) {
+      return;
+    }
+
+    // Cache the original resolverType function.
+    let resolveType = field.resolveType;
+
+    // Return the function to handle the resolveType hooks.
+    field.resolveType = (obj, context, info) => {
+      let type = resolveType(obj, context, info);
+
+      // Only if a previous resolver was unable to resolve the field type do we
+      // progress to the hooks (in order!) to resolve the field name until we
+      // have resolved it.
+      if (typeof type !== 'undefined' && type != null) {
+        return type;
+      }
+
+      // We will walk through the post hooks until we find the right one. This
+      // follows what redux does to combine existing reducers.
+      for (let i = 0; i < post.length; i++) {
+        let resolveType = post[i];
+        type = resolveType(obj, context, info);
+        if (typeof type !== 'undefined' && type != null) {
+          return type;
+        }
+      }
+    };
+
+    return;
+  }
+
  // Cache the original resolve function, this emulates the beheviour found in
  // graphql-tools: https://github.com/apollographql/graphql-tools/blob/6e9cc124b10d673448386041e6c3d058bc205a02/src/schemaGenerator.ts#L423-L425
  let resolve = field.resolve;
@@ -102,7 +174,7 @@ const decorateWithHooks = (schema, hooks) => forEachField(schema, (field, typeNa
    await Promise.all(pre.map((pre) => pre(obj, args, context, info)));

    // Resolve the field.
-    let result = resolve(obj, args, context, info);
+    let result = await resolve(obj, args, context, info);

    // Insure all post hooks after we've resolved the field with the result
    // passed in as the fifth argument.
@@ -356,6 +356,27 @@ aws4@^1.2.1:
  version "1.5.0"
  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.5.0.tgz#0a29ffb79c31c9e712eeb087e8e7a64b4a56d755"

+babel-cli@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-cli/-/babel-cli-6.24.0.tgz#a05ffd210dca0c288a26d5319c5ac8669a265ad0"
+  dependencies:
+    babel-core "^6.24.0"
+    babel-polyfill "^6.23.0"
+    babel-register "^6.24.0"
+    babel-runtime "^6.22.0"
+    commander "^2.8.1"
+    convert-source-map "^1.1.0"
+    fs-readdir-recursive "^1.0.0"
+    glob "^7.0.0"
+    lodash "^4.2.0"
+    output-file-sync "^1.1.0"
+    path-is-absolute "^1.0.0"
+    slash "^1.0.0"
+    source-map "^0.5.0"
+    v8flags "^2.0.10"
+  optionalDependencies:
+    chokidar "^1.6.1"
+
 babel-code-frame@^6.11.0, babel-code-frame@^6.16.0, babel-code-frame@^6.22.0:
  version "6.22.0"
  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
@@ -618,11 +639,15 @@ babel-plugin-syntax-export-extensions@^6.8.0:
  version "6.13.0"
  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-export-extensions/-/babel-plugin-syntax-export-extensions-6.13.0.tgz#70a1484f0f9089a4e84ad44bac353c95b9b12721"

+babel-plugin-syntax-flow@^6.18.0:
+  version "6.18.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
+
 babel-plugin-syntax-function-bind@^6.8.0:
  version "6.13.0"
  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-function-bind/-/babel-plugin-syntax-function-bind-6.13.0.tgz#48c495f177bdf31a981e732f55adc0bdd2601f46"

-babel-plugin-syntax-jsx@^6.8.0:
+babel-plugin-syntax-jsx@^6.3.13, babel-plugin-syntax-jsx@^6.8.0:
  version "6.18.0"
  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"

@@ -875,6 +900,13 @@ babel-plugin-transform-export-extensions@^6.22.0:
    babel-plugin-syntax-export-extensions "^6.8.0"
    babel-runtime "^6.22.0"

+babel-plugin-transform-flow-strip-types@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-flow-strip-types/-/babel-plugin-transform-flow-strip-types-6.22.0.tgz#84cb672935d43714fdc32bce84568d87441cf7cf"
+  dependencies:
+    babel-plugin-syntax-flow "^6.18.0"
+    babel-runtime "^6.22.0"
+
 babel-plugin-transform-function-bind@^6.22.0:
  version "6.22.0"
  resolved "https://registry.yarnpkg.com/babel-plugin-transform-function-bind/-/babel-plugin-transform-function-bind-6.22.0.tgz#c6fb8e96ac296a310b8cf8ea401462407ddf6a97"
@@ -895,6 +927,26 @@ babel-plugin-transform-object-rest-spread@^6.22.0, babel-plugin-transform-object
    babel-plugin-syntax-object-rest-spread "^6.8.0"
    babel-runtime "^6.22.0"

+babel-plugin-transform-react-display-name@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-react-display-name/-/babel-plugin-transform-react-display-name-6.23.0.tgz#4398910c358441dc4cef18787264d0412ed36b37"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-react-jsx-self@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-react-jsx-self/-/babel-plugin-transform-react-jsx-self-6.22.0.tgz#df6d80a9da2612a121e6ddd7558bcbecf06e636e"
+  dependencies:
+    babel-plugin-syntax-jsx "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-react-jsx-source@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-react-jsx-source/-/babel-plugin-transform-react-jsx-source-6.22.0.tgz#66ac12153f5cd2d17b3c19268f4bf0197f44ecd6"
+  dependencies:
+    babel-plugin-syntax-jsx "^6.8.0"
+    babel-runtime "^6.22.0"
+
 babel-plugin-transform-react-jsx@^6.23.0:
  version "6.23.0"
  resolved "https://registry.yarnpkg.com/babel-plugin-transform-react-jsx/-/babel-plugin-transform-react-jsx-6.23.0.tgz#23e892f7f2e759678eb5e4446a8f8e94e81b3470"
@@ -953,12 +1005,29 @@ babel-preset-es2015@^6.24.0:
    babel-plugin-transform-es2015-unicode-regex "^6.22.0"
    babel-plugin-transform-regenerator "^6.22.0"

+babel-preset-flow@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-flow/-/babel-preset-flow-6.23.0.tgz#e71218887085ae9a24b5be4169affb599816c49d"
+  dependencies:
+    babel-plugin-transform-flow-strip-types "^6.22.0"
+
 babel-preset-jest@^19.0.0:
  version "19.0.0"
  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-19.0.0.tgz#22d67201d02324a195811288eb38294bb3cac396"
  dependencies:
    babel-plugin-jest-hoist "^19.0.0"

+babel-preset-react@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-react/-/babel-preset-react-6.23.0.tgz#eb7cee4de98a3f94502c28565332da9819455195"
+  dependencies:
+    babel-plugin-syntax-jsx "^6.3.13"
+    babel-plugin-transform-react-display-name "^6.23.0"
+    babel-plugin-transform-react-jsx "^6.23.0"
+    babel-plugin-transform-react-jsx-self "^6.22.0"
+    babel-plugin-transform-react-jsx-source "^6.22.0"
+    babel-preset-flow "^6.23.0"
+
 babel-preset-stage-0@^6.16.0:
  version "6.22.0"
  resolved "https://registry.yarnpkg.com/babel-preset-stage-0/-/babel-preset-stage-0-6.22.0.tgz#707eeb5b415da769eff9c42f4547f644f9296ef9"
@@ -1479,7 +1548,7 @@ cheerio@^0.22.0:
    lodash.reject "^4.4.0"
    lodash.some "^4.4.0"

-chokidar@^1.4.3:
+chokidar@^1.4.3, chokidar@^1.6.1:
  version "1.6.1"
  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.6.1.tgz#2f4447ab5e96e50fb3d789fd90d4c72e0e4c70c2"
  dependencies:
@@ -1679,7 +1748,7 @@ commander@2.8.x:
  dependencies:
    graceful-readlink ">= 1.0.0"

-commander@2.9.0, commander@^2.5.0, commander@^2.9.0:
+commander@2.9.0, commander@^2.5.0, commander@^2.8.1, commander@^2.9.0:
  version "2.9.0"
  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
  dependencies:
@@ -3067,6 +3136,10 @@ fs-promise@^0.3.1:
  dependencies:
    any-promise "~0.1.0"

+fs-readdir-recursive@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.0.0.tgz#8cd1745c8b4f8a29c8caec392476921ba195f560"
+
 fs.realpath@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -3360,7 +3433,7 @@ gql-utils@^0.0.2:
    bluebird "^3.4.6"
    glob "^7.1.1"

-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
  version "4.1.11"
  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"

@@ -5475,6 +5548,14 @@ osenv@^0.1.0:
    os-homedir "^1.0.0"
    os-tmpdir "^1.0.0"

+output-file-sync@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-1.1.2.tgz#d0a33eefe61a205facb90092e826598d5245ce76"
+  dependencies:
+    graceful-fs "^4.1.4"
+    mkdirp "^0.5.1"
+    object-assign "^4.1.0"
+
 p-limit@^1.1.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
@@ -6487,11 +6568,7 @@ react-apollo@^0.10.0:
  optionalDependencies:
    react-dom "0.14.x || 15.* || ^15.0.0"

-"react-dom@0.14.x || 15.* || ^15.0.0", react-dom@^15.3.1:
-  version "15.3.2"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.3.2.tgz#c46b0aa5380d7b838e7a59c4a7beff2ed315531f"
-
-react-dom@^15.4.2:
+"react-dom@0.14.x || 15.* || ^15.0.0", react-dom@^15.3.1, react-dom@^15.4.2:
  version "15.4.2"
  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.4.2.tgz#015363f05b0a1fd52ae9efdd3a0060d90695208f"
  dependencies:
@@ -6561,15 +6638,7 @@ react-tagsinput@^3.14.0:
  version "3.14.0"
  resolved "https://registry.yarnpkg.com/react-tagsinput/-/react-tagsinput-3.14.0.tgz#6729f8d5b313ed8fbb35496205ec2a97654af6bc"

-react@^15.3.1:
-  version "15.3.2"
-  resolved "https://registry.yarnpkg.com/react/-/react-15.3.2.tgz#a7bccd2fee8af126b0317e222c28d1d54528d09e"
-  dependencies:
-    fbjs "^0.8.4"
-    loose-envify "^1.1.0"
-    object-assign "^4.1.0"
-
-react@^15.4.2:
+react@^15.3.1, react@^15.4.2:
  version "15.4.2"
  resolved "https://registry.yarnpkg.com/react/-/react-15.4.2.tgz#41f7991b26185392ba9bae96c8889e7e018397ef"
  dependencies:
@@ -7806,6 +7875,10 @@ url@^0.11.0:
    punycode "1.3.2"
    querystring "0.2.0"

+user-home@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+
 user-home@^2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
@@ -7834,6 +7907,12 @@ uuid@^3.0.0, uuid@^3.0.1:
  version "3.0.1"
  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"

+v8flags@^2.0.10:
+  version "2.0.11"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.0.11.tgz#bca8f30f0d6d60612cc2c00641e6962d42ae6881"
+  dependencies:
+    user-home "^1.1.1"
+
 validate-commit-msg@2.5.0:
  version "2.5.0"
  resolved "https://registry.yarnpkg.com/validate-commit-msg/-/validate-commit-msg-2.5.0.tgz#a7d0a68aa3917171b560664689a2ac59c25908b6"