ignore this testing things

.codesandbox/ci.json

@@ -6,7 +6,8 @@
     "internals-js",
     "query-graphs-js",
     "query-planner-js",
-    "subgraph-js"
+    "subgraph-js",
+    "testing-wasm"
   ],
   "sandboxes": [],
   "node": "18"

composition-js/package.json

@@ -28,7 +28,8 @@
   },
   "dependencies": {
     "@apollo/federation-internals": "2.7.2",
-    "@apollo/query-graphs": "2.7.2"
+    "@apollo/query-graphs": "2.7.2",
+    "fake-composition-wasm": "0.1.0"
   },
   "peerDependencies": {
     "graphql": "^16.5.0"

composition-js/src/compose.ts

@@ -46,6 +46,13 @@ function validateCompositionOptions(options: CompositionOptions) {
 }
 
 export function compose(subgraphs: Subgraphs, options: CompositionOptions = {}): CompositionResult {
+  const { validate_graph_composition_wasm } = require('fake-composition-wasm');
+  // try {
+  //   console.log(validate_graph_composition_wasm("type Query { hello: String }"));
+  //   console.log(validate_graph_composition_wasm("type Query { hello: NotARealScalar }"));
+  // } catch (e) {
+  //   console.log(e);
+  // }
   validateCompositionOptions(options);
 
   const upgradeResult = upgradeSubgraphsIfNecessary(subgraphs);
@@ -55,6 +62,11 @@ export function compose(subgraphs: Subgraphs, options: CompositionOptions = {}):
 
   const toMerge = upgradeResult.subgraphs;
   const validationErrors = toMerge.validate();
+
+  // toMerge.values().forEach(subgraph => {
+  //   const sdl = printSchema(subgraph.schema);
+  //   console.log(validate_graph_composition_wasm(sdl));
+  // });
   if (validationErrors) {
     return { errors: validationErrors };
   }
@@ -86,6 +98,12 @@ export function compose(subgraphs: Subgraphs, options: CompositionOptions = {}):
     return { errors: [err] };
   }
 
+  try {
+    console.log(validate_graph_composition_wasm(supergraphSdl));
+  } catch(err) {
+    return { errors: [err] };
+  }
+
   return {
     schema: supergraph.schema,
     supergraphSdl,

composition-js/tsconfig.json

@@ -8,6 +8,7 @@
   "exclude": ["**/__tests__"],
   "references": [
     { "path": "../internals-js" },
-    { "path": "../query-graphs-js" }
+    { "path": "../query-graphs-js" },
+    { "path": "../testing-wasm" }
   ]
 }

package.json

@@ -44,7 +44,8 @@
     "query-planner-js",
     "query-graphs-js",
     "subgraph-js",
-    "federation-integration-testsuite-js"
+    "federation-integration-testsuite-js",
+    "testing-wasm"
   ],
   "devDependencies": {
     "@apollo/cache-control-types": "1.0.3",

testing-wasm/fake_composition_wasm.d.ts

@@ -0,0 +1,7 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+* @param {string} sdl
+* @returns {any}
+*/
+export function validate_graph_composition_wasm(sdl: string): any;

testing-wasm/fake_composition_wasm.js

@@ -0,0 +1,155 @@
+let imports = {};
+imports['__wbindgen_placeholder__'] = module.exports;
+let wasm;
+const { TextDecoder, TextEncoder } = require(`util`);
+
+let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
+
+cachedTextDecoder.decode();
+
+let cachedUint8Memory0 = null;
+
+function getUint8Memory0() {
+    if (cachedUint8Memory0 === null || cachedUint8Memory0.byteLength === 0) {
+        cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
+    }
+    return cachedUint8Memory0;
+}
+
+function getStringFromWasm0(ptr, len) {
+    ptr = ptr >>> 0;
+    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
+}
+
+const heap = new Array(128).fill(undefined);
+
+heap.push(undefined, null, true, false);
+
+let heap_next = heap.length;
+
+function addHeapObject(obj) {
+    if (heap_next === heap.length) heap.push(heap.length + 1);
+    const idx = heap_next;
+    heap_next = heap[idx];
+
+    heap[idx] = obj;
+    return idx;
+}
+
+let WASM_VECTOR_LEN = 0;
+
+let cachedTextEncoder = new TextEncoder('utf-8');
+
+const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
+    ? function (arg, view) {
+    return cachedTextEncoder.encodeInto(arg, view);
+}
+    : function (arg, view) {
+    const buf = cachedTextEncoder.encode(arg);
+    view.set(buf);
+    return {
+        read: arg.length,
+        written: buf.length
+    };
+});
+
+function passStringToWasm0(arg, malloc, realloc) {
+
+    if (realloc === undefined) {
+        const buf = cachedTextEncoder.encode(arg);
+        const ptr = malloc(buf.length, 1) >>> 0;
+        getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
+        WASM_VECTOR_LEN = buf.length;
+        return ptr;
+    }
+
+    let len = arg.length;
+    let ptr = malloc(len, 1) >>> 0;
+
+    const mem = getUint8Memory0();
+
+    let offset = 0;
+
+    for (; offset < len; offset++) {
+        const code = arg.charCodeAt(offset);
+        if (code > 0x7F) break;
+        mem[ptr + offset] = code;
+    }
+
+    if (offset !== len) {
+        if (offset !== 0) {
+            arg = arg.slice(offset);
+        }
+        ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
+        const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
+        const ret = encodeString(arg, view);
+
+        offset += ret.written;
+        ptr = realloc(ptr, len, offset, 1) >>> 0;
+    }
+
+    WASM_VECTOR_LEN = offset;
+    return ptr;
+}
+
+let cachedInt32Memory0 = null;
+
+function getInt32Memory0() {
+    if (cachedInt32Memory0 === null || cachedInt32Memory0.byteLength === 0) {
+        cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
+    }
+    return cachedInt32Memory0;
+}
+
+function getObject(idx) { return heap[idx]; }
+
+function dropObject(idx) {
+    if (idx < 132) return;
+    heap[idx] = heap_next;
+    heap_next = idx;
+}
+
+function takeObject(idx) {
+    const ret = getObject(idx);
+    dropObject(idx);
+    return ret;
+}
+/**
+* @param {string} sdl
+* @returns {any}
+*/
+module.exports.validate_graph_composition_wasm = function(sdl) {
+    try {
+        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+        const ptr0 = passStringToWasm0(sdl, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        wasm.validate_graph_composition_wasm(retptr, ptr0, len0);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        var r2 = getInt32Memory0()[retptr / 4 + 2];
+        if (r2) {
+            throw takeObject(r1);
+        }
+        return takeObject(r0);
+    } finally {
+        wasm.__wbindgen_add_to_stack_pointer(16);
+    }
+};
+
+module.exports.__wbg_log_9176428602472795 = function(arg0, arg1) {
+    console.log(getStringFromWasm0(arg0, arg1));
+};
+
+module.exports.__wbindgen_string_new = function(arg0, arg1) {
+    const ret = getStringFromWasm0(arg0, arg1);
+    return addHeapObject(ret);
+};
+
+const path = require('path').join(__dirname, 'fake_composition_wasm_bg.wasm');
+const bytes = require('fs').readFileSync(path);
+
+const wasmModule = new WebAssembly.Module(bytes);
+const wasmInstance = new WebAssembly.Instance(wasmModule, imports);
+wasm = wasmInstance.exports;
+module.exports.__wasm = wasm;
+

testing-wasm/fake_composition_wasm_bg.wasm.d.ts

@@ -0,0 +1,7 @@
+/* tslint:disable */
+/* eslint-disable */
+export const memory: WebAssembly.Memory;
+export function validate_graph_composition_wasm(a: number, b: number, c: number): void;
+export function __wbindgen_add_to_stack_pointer(a: number): number;
+export function __wbindgen_malloc(a: number, b: number): number;
+export function __wbindgen_realloc(a: number, b: number, c: number, d: number): number;

testing-wasm/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "fake-composition-wasm",
+  "collaborators": [
+    "Lenny Burdette <[email protected]>"
+  ],
+  "version": "0.1.0",
+  "files": [
+    "fake_composition_wasm_bg.wasm",
+    "fake_composition_wasm.js",
+    "fake_composition_wasm.d.ts"
+  ],
+  "main": "fake_composition_wasm.js",
+  "types": "fake_composition_wasm.d.ts"
+}

testing-wasm/tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "extends": "../tsconfig.base",
+}

tsconfig.base.json

@@ -17,7 +17,7 @@
     "noUnusedLocals": true,
     "useUnknownInCatchVariables": false,
     "forceConsistentCasingInFileNames": true,
-    "lib": ["es2019", "esnext.asynciterable"],
+    "lib": ["esnext", "dom"],
     "types": ["node"],
     "baseUrl": ".",
     "paths": {

tsconfig.build.json

@@ -10,5 +10,6 @@
     { "path": "./gateway-js" },
     { "path": "./federation-integration-testsuite-js" },
     { "path": "./subgraph-js" },
+    { "path": "./testing-wasm" },
   ]
 }