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32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
import { GraphQLScalarType, Kind } from 'graphql';
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import { createGraphQLError } from '../error.js';
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const validate = (value, ast) => {
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if (typeof value !== 'string') {
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throw createGraphQLError(`Value is not a string: ${value}`, ast ? { nodes: ast } : undefined);
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}
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if (!value.trim().length) {
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throw createGraphQLError(`Value cannot be an empty string: ${value}`, ast ? { nodes: ast } : undefined);
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}
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return value;
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};
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export const GraphQLNonEmptyString = /*#__PURE__*/ new GraphQLScalarType({
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name: 'NonEmptyString',
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description: 'A string that cannot be passed as an empty value',
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serialize: validate,
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parseValue: validate,
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parseLiteral(ast) {
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if (ast.kind !== Kind.STRING) {
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throw createGraphQLError(`Can only validate strings but got a: ${ast.kind}`, { nodes: ast });
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}
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return validate(ast.value, ast);
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},
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extensions: {
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codegenScalarType: 'string',
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jsonSchema: {
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title: 'NonEmptyString',
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type: 'string',
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minLength: 1,
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},
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},
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});
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