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37 lines
1.4 KiB
Plaintext
37 lines
1.4 KiB
Plaintext
import { GraphQLScalarType, Kind } from 'graphql';
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import { createGraphQLError } from '../error.js';
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const SEMVER_REGEX = /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/;
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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 string: ${value}`, ast ? { nodes: ast } : undefined);
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}
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if (!SEMVER_REGEX.test(value)) {
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throw createGraphQLError(`Value is not a valid Semantic Version: ${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 GraphQLSemVer = /*#__PURE__*/ new GraphQLScalarType({
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name: `SemVer`,
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description: `A field whose value is a Semantic Version: https://semver.org`,
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serialize(value) {
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return validate(value);
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},
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parseValue(value) {
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return validate(value);
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},
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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 as Semantic Version 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: 'SemVer',
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type: 'string',
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pattern: SEMVER_REGEX.source,
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},
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},
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});
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