initial update

node_modules/graphql/utilities/coerceInputValue.js

@@ -0,0 +1,217 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.coerceInputValue = coerceInputValue;
+
+var _didYouMean = require('../jsutils/didYouMean.js');
+
+var _inspect = require('../jsutils/inspect.js');
+
+var _invariant = require('../jsutils/invariant.js');
+
+var _isIterableObject = require('../jsutils/isIterableObject.js');
+
+var _isObjectLike = require('../jsutils/isObjectLike.js');
+
+var _Path = require('../jsutils/Path.js');
+
+var _printPathArray = require('../jsutils/printPathArray.js');
+
+var _suggestionList = require('../jsutils/suggestionList.js');
+
+var _GraphQLError = require('../error/GraphQLError.js');
+
+var _definition = require('../type/definition.js');
+
+/**
+ * Coerces a JavaScript value given a GraphQL Input Type.
+ */
+function coerceInputValue(inputValue, type, onError = defaultOnError) {
+  return coerceInputValueImpl(inputValue, type, onError, undefined);
+}
+
+function defaultOnError(path, invalidValue, error) {
+  let errorPrefix = 'Invalid value ' + (0, _inspect.inspect)(invalidValue);
+
+  if (path.length > 0) {
+    errorPrefix += ` at "value${(0, _printPathArray.printPathArray)(path)}"`;
+  }
+
+  error.message = errorPrefix + ': ' + error.message;
+  throw error;
+}
+
+function coerceInputValueImpl(inputValue, type, onError, path) {
+  if ((0, _definition.isNonNullType)(type)) {
+    if (inputValue != null) {
+      return coerceInputValueImpl(inputValue, type.ofType, onError, path);
+    }
+
+    onError(
+      (0, _Path.pathToArray)(path),
+      inputValue,
+      new _GraphQLError.GraphQLError(
+        `Expected non-nullable type "${(0, _inspect.inspect)(
+          type,
+        )}" not to be null.`,
+      ),
+    );
+    return;
+  }
+
+  if (inputValue == null) {
+    // Explicitly return the value null.
+    return null;
+  }
+
+  if ((0, _definition.isListType)(type)) {
+    const itemType = type.ofType;
+
+    if ((0, _isIterableObject.isIterableObject)(inputValue)) {
+      return Array.from(inputValue, (itemValue, index) => {
+        const itemPath = (0, _Path.addPath)(path, index, undefined);
+        return coerceInputValueImpl(itemValue, itemType, onError, itemPath);
+      });
+    } // Lists accept a non-list value as a list of one.
+
+    return [coerceInputValueImpl(inputValue, itemType, onError, path)];
+  }
+
+  if ((0, _definition.isInputObjectType)(type)) {
+    if (
+      !(0, _isObjectLike.isObjectLike)(inputValue) ||
+      Array.isArray(inputValue)
+    ) {
+      onError(
+        (0, _Path.pathToArray)(path),
+        inputValue,
+        new _GraphQLError.GraphQLError(
+          `Expected type "${type.name}" to be an object.`,
+        ),
+      );
+      return;
+    }
+
+    const coercedValue = {};
+    const fieldDefs = type.getFields();
+
+    for (const field of Object.values(fieldDefs)) {
+      const fieldValue = inputValue[field.name];
+
+      if (fieldValue === undefined) {
+        if (field.defaultValue !== undefined) {
+          coercedValue[field.name] = field.defaultValue;
+        } else if ((0, _definition.isNonNullType)(field.type)) {
+          const typeStr = (0, _inspect.inspect)(field.type);
+          onError(
+            (0, _Path.pathToArray)(path),
+            inputValue,
+            new _GraphQLError.GraphQLError(
+              `Field "${field.name}" of required type "${typeStr}" was not provided.`,
+            ),
+          );
+        }
+
+        continue;
+      }
+
+      coercedValue[field.name] = coerceInputValueImpl(
+        fieldValue,
+        field.type,
+        onError,
+        (0, _Path.addPath)(path, field.name, type.name),
+      );
+    } // Ensure every provided field is defined.
+
+    for (const fieldName of Object.keys(inputValue)) {
+      if (!fieldDefs[fieldName]) {
+        const suggestions = (0, _suggestionList.suggestionList)(
+          fieldName,
+          Object.keys(type.getFields()),
+        );
+        onError(
+          (0, _Path.pathToArray)(path),
+          inputValue,
+          new _GraphQLError.GraphQLError(
+            `Field "${fieldName}" is not defined by type "${type.name}".` +
+              (0, _didYouMean.didYouMean)(suggestions),
+          ),
+        );
+      }
+    }
+
+    if (type.isOneOf) {
+      const keys = Object.keys(coercedValue);
+
+      if (keys.length !== 1) {
+        onError(
+          (0, _Path.pathToArray)(path),
+          inputValue,
+          new _GraphQLError.GraphQLError(
+            `Exactly one key must be specified for OneOf type "${type.name}".`,
+          ),
+        );
+      }
+
+      const key = keys[0];
+      const value = coercedValue[key];
+
+      if (value === null) {
+        onError(
+          (0, _Path.pathToArray)(path).concat(key),
+          value,
+          new _GraphQLError.GraphQLError(`Field "${key}" must be non-null.`),
+        );
+      }
+    }
+
+    return coercedValue;
+  }
+
+  if ((0, _definition.isLeafType)(type)) {
+    let parseResult; // Scalars and Enums determine if a input value is valid via parseValue(),
+    // which can throw to indicate failure. If it throws, maintain a reference
+    // to the original error.
+
+    try {
+      parseResult = type.parseValue(inputValue);
+    } catch (error) {
+      if (error instanceof _GraphQLError.GraphQLError) {
+        onError((0, _Path.pathToArray)(path), inputValue, error);
+      } else {
+        onError(
+          (0, _Path.pathToArray)(path),
+          inputValue,
+          new _GraphQLError.GraphQLError(
+            `Expected type "${type.name}". ` + error.message,
+            {
+              originalError: error,
+            },
+          ),
+        );
+      }
+
+      return;
+    }
+
+    if (parseResult === undefined) {
+      onError(
+        (0, _Path.pathToArray)(path),
+        inputValue,
+        new _GraphQLError.GraphQLError(`Expected type "${type.name}".`),
+      );
+    }
+
+    return parseResult;
+  }
+  /* c8 ignore next 3 */
+  // Not reachable, all possible types have been considered.
+
+  false ||
+    (0, _invariant.invariant)(
+      false,
+      'Unexpected input type: ' + (0, _inspect.inspect)(type),
+    );
+}