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89 lines
3.3 KiB
89 lines
3.3 KiB
import { invariant, newInvariantError } from "../globals/index.js"; |
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import { valueToObjectRepresentation } from "./storeUtils.js"; |
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// Checks the document for errors and throws an exception if there is an error. |
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export function checkDocument(doc) { |
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invariant(doc && doc.kind === "Document", 74); |
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var operations = doc.definitions |
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.filter(function (d) { return d.kind !== "FragmentDefinition"; }) |
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.map(function (definition) { |
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if (definition.kind !== "OperationDefinition") { |
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throw newInvariantError(75, definition.kind); |
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} |
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return definition; |
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}); |
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invariant(operations.length <= 1, 76, operations.length); |
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return doc; |
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} |
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export function getOperationDefinition(doc) { |
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checkDocument(doc); |
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return doc.definitions.filter(function (definition) { |
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return definition.kind === "OperationDefinition"; |
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})[0]; |
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} |
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export function getOperationName(doc) { |
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return (doc.definitions |
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.filter(function (definition) { |
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return definition.kind === "OperationDefinition" && !!definition.name; |
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}) |
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.map(function (x) { return x.name.value; })[0] || null); |
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} |
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// Returns the FragmentDefinitions from a particular document as an array |
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export function getFragmentDefinitions(doc) { |
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return doc.definitions.filter(function (definition) { |
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return definition.kind === "FragmentDefinition"; |
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}); |
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} |
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export function getQueryDefinition(doc) { |
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var queryDef = getOperationDefinition(doc); |
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invariant(queryDef && queryDef.operation === "query", 77); |
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return queryDef; |
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} |
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export function getFragmentDefinition(doc) { |
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invariant(doc.kind === "Document", 78); |
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invariant(doc.definitions.length <= 1, 79); |
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var fragmentDef = doc.definitions[0]; |
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invariant(fragmentDef.kind === "FragmentDefinition", 80); |
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return fragmentDef; |
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} |
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/** |
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* Returns the first operation definition found in this document. |
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* If no operation definition is found, the first fragment definition will be returned. |
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* If no definitions are found, an error will be thrown. |
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*/ |
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export function getMainDefinition(queryDoc) { |
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checkDocument(queryDoc); |
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var fragmentDefinition; |
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for (var _i = 0, _a = queryDoc.definitions; _i < _a.length; _i++) { |
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var definition = _a[_i]; |
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if (definition.kind === "OperationDefinition") { |
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var operation = definition.operation; |
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if (operation === "query" || |
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operation === "mutation" || |
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operation === "subscription") { |
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return definition; |
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} |
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} |
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if (definition.kind === "FragmentDefinition" && !fragmentDefinition) { |
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// we do this because we want to allow multiple fragment definitions |
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// to precede an operation definition. |
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fragmentDefinition = definition; |
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} |
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} |
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if (fragmentDefinition) { |
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return fragmentDefinition; |
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} |
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throw newInvariantError(81); |
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} |
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export function getDefaultValues(definition) { |
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var defaultValues = Object.create(null); |
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var defs = definition && definition.variableDefinitions; |
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if (defs && defs.length) { |
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defs.forEach(function (def) { |
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if (def.defaultValue) { |
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valueToObjectRepresentation(defaultValues, def.variable.name, def.defaultValue); |
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} |
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}); |
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} |
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return defaultValues; |
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} |
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//# sourceMappingURL=getFromAST.js.map
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