Initialisation

Added the packages and files for the backend server

node_modules/@graphql-tools/utils/esm/updateArgument.js

@@ -0,0 +1,49 @@
+import { Kind } from 'graphql';
+import { astFromType } from './astFromType.js';
+export function updateArgument(argumentNodes, variableDefinitionsMap, variableValues, argName, varName, type, value) {
+    argumentNodes[argName] = {
+        kind: Kind.ARGUMENT,
+        name: {
+            kind: Kind.NAME,
+            value: argName,
+        },
+        value: {
+            kind: Kind.VARIABLE,
+            name: {
+                kind: Kind.NAME,
+                value: varName,
+            },
+        },
+    };
+    variableDefinitionsMap[varName] = {
+        kind: Kind.VARIABLE_DEFINITION,
+        variable: {
+            kind: Kind.VARIABLE,
+            name: {
+                kind: Kind.NAME,
+                value: varName,
+            },
+        },
+        type: astFromType(type),
+    };
+    if (value !== undefined) {
+        variableValues[varName] = value;
+        return;
+    }
+    // including the variable in the map with value of `undefined`
+    // will actually be translated by graphql-js into `null`
+    // see https://github.com/graphql/graphql-js/issues/2533
+    if (varName in variableValues) {
+        delete variableValues[varName];
+    }
+}
+export function createVariableNameGenerator(variableDefinitionMap) {
+    let varCounter = 0;
+    return (argName) => {
+        let varName;
+        do {
+            varName = `_v${(varCounter++).toString()}_${argName}`;
+        } while (varName in variableDefinitionMap);
+        return varName;
+    };
+}