74 lines
3.3 KiB
JavaScript
74 lines
3.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getArgumentValues = void 0;
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const jsutils_js_1 = require("./jsutils.js");
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const graphql_1 = require("graphql");
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const errors_js_1 = require("./errors.js");
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const inspect_js_1 = require("./inspect.js");
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/**
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* Prepares an object map of argument values given a list of argument
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* definitions and list of argument AST nodes.
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*
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* Note: The returned value is a plain Object with a prototype, since it is
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* exposed to user code. Care should be taken to not pull values from the
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* Object prototype.
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*/
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function getArgumentValues(def, node, variableValues = {}) {
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var _a;
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const coercedValues = {};
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const argumentNodes = (_a = node.arguments) !== null && _a !== void 0 ? _a : [];
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const argNodeMap = argumentNodes.reduce((prev, arg) => ({
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...prev,
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[arg.name.value]: arg,
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}), {});
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for (const { name, type: argType, defaultValue } of def.args) {
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const argumentNode = argNodeMap[name];
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if (!argumentNode) {
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if (defaultValue !== undefined) {
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coercedValues[name] = defaultValue;
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}
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else if ((0, graphql_1.isNonNullType)(argType)) {
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throw (0, errors_js_1.createGraphQLError)(`Argument "${name}" of required type "${(0, inspect_js_1.inspect)(argType)}" ` + 'was not provided.', {
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nodes: [node],
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});
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}
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continue;
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}
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const valueNode = argumentNode.value;
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let isNull = valueNode.kind === graphql_1.Kind.NULL;
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if (valueNode.kind === graphql_1.Kind.VARIABLE) {
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const variableName = valueNode.name.value;
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if (variableValues == null || !(0, jsutils_js_1.hasOwnProperty)(variableValues, variableName)) {
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if (defaultValue !== undefined) {
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coercedValues[name] = defaultValue;
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}
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else if ((0, graphql_1.isNonNullType)(argType)) {
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throw (0, errors_js_1.createGraphQLError)(`Argument "${name}" of required type "${(0, inspect_js_1.inspect)(argType)}" ` +
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`was provided the variable "$${variableName}" which was not provided a runtime value.`, {
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nodes: [valueNode],
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});
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}
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continue;
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}
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isNull = variableValues[variableName] == null;
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}
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if (isNull && (0, graphql_1.isNonNullType)(argType)) {
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throw (0, errors_js_1.createGraphQLError)(`Argument "${name}" of non-null type "${(0, inspect_js_1.inspect)(argType)}" ` + 'must not be null.', {
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nodes: [valueNode],
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});
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}
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const coercedValue = (0, graphql_1.valueFromAST)(valueNode, argType, variableValues);
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if (coercedValue === undefined) {
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// Note: ValuesOfCorrectTypeRule validation should catch this before
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// execution. This is a runtime check to ensure execution does not
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// continue with an invalid argument value.
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throw (0, errors_js_1.createGraphQLError)(`Argument "${name}" has invalid value ${(0, graphql_1.print)(valueNode)}.`, {
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nodes: [valueNode],
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});
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}
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coercedValues[name] = coercedValue;
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}
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return coercedValues;
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}
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exports.getArgumentValues = getArgumentValues;
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