Marc Mintel
5397309103
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73 lines
3.4 KiB
Plaintext
73 lines
3.4 KiB
Plaintext
import { GraphQLScalarType, Kind } from 'graphql';
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import { createGraphQLError } from '../../error.js';
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// original implementation
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// https://stackoverflow.com/questions/32044846/regex-for-iso-8601-durations
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// const ISO_DURATION_NEGATIVE_ALLOWED = /^-?P(?!$)(-?\d+(?:\.\d+)?Y)?(-?\d+(?:\.\d+)?M)?(-?\d+(?:\.\d+)?W)?(-?\d+(?:\.\d+)?D)?(T(?=-?\d)(-?\d+(?:\.\d+)?H)?(-?\d+(?:\.\d+)?M)?(-?\d+(?:\.\d+)?S)?)?$/
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// const ISO_DURATION_WITHOUT_SIGN = /^P(?!$)(\d+(?:\.\d+)?Y)?(\d+(?:\.\d+)?M)?(\d+(?:\.\d+)?W)?(\d+(?:\.\d+)?D)?(T(?=\d)(\d+(?:\.\d+)?H)?(\d+(?:\.\d+)?M)?(\d+(?:\.\d+)?S)?)?$/
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// negative and positive durations allowed, commas and decimal points valid for fractions
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const ISO_DURATION = /^(-|\+)?P(?!$)((-|\+)?\d+(?:(\.|,)\d+)?Y)?((-|\+)?\d+(?:(\.|,)\d+)?M)?((-|\+)?\d+(?:(\.|,)\d+)?W)?((-|\+)?\d+(?:(\.|,)\d+)?D)?(T(?=(-|\+)?\d)((-|\+)?\d+(?:(\.|,)\d+)?H)?((-|\+)?\d+(?:(\.|,)\d+)?M)?((-|\+)?\d+(?:(\.|,)\d+)?S)?)?$/;
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export const GraphQLDurationConfig = /*#__PURE__*/ {
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name: 'Duration',
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description: `
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A string representing a duration conforming to the ISO8601 standard,
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such as: P1W1DT13H23M34S
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P is the duration designator (for period) placed at the start of the duration representation.
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Y is the year designator that follows the value for the number of years.
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M is the month designator that follows the value for the number of months.
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W is the week designator that follows the value for the number of weeks.
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D is the day designator that follows the value for the number of days.
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T is the time designator that precedes the time components of the representation.
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H is the hour designator that follows the value for the number of hours.
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M is the minute designator that follows the value for the number of minutes.
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S is the second designator that follows the value for the number of seconds.
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Note the time designator, T, that precedes the time value.
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Matches moment.js, Luxon and DateFns implementations
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,/. is valid for decimal places and +/- is a valid prefix
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`,
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serialize(value) {
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if (typeof value !== 'string') {
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throw createGraphQLError(`Value is not string: ${value}`);
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}
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if (!ISO_DURATION.test(value)) {
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throw createGraphQLError(`Value is not a valid ISO Duration: ${value}`);
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}
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return value;
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},
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parseValue(value) {
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if (typeof value !== 'string') {
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throw createGraphQLError(`Value is not string: ${value}`);
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}
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if (!ISO_DURATION.test(value)) {
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throw createGraphQLError(`Value is not a valid ISO Duration: ${value}`);
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}
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return 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 ISO Durations but got a: ${ast.kind}`, { nodes: ast });
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}
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if (!ISO_DURATION.test(ast.value)) {
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throw createGraphQLError(`Value is not a valid ISO Duration: ${ast.value}`, { nodes: ast });
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}
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return ast.value;
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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: 'Duration',
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type: 'string',
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pattern: ISO_DURATION.source,
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},
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},
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};
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export const GraphQLISO8601Duration = /*#__PURE__*/ new GraphQLScalarType({
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...GraphQLDurationConfig,
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name: 'ISO8601Duration',
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});
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export const GraphQLDuration = /*#__PURE__*/ new GraphQLScalarType({
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...GraphQLDurationConfig,
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name: 'Duration',
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});
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