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开源软件名称(OpenSource Name):excitement-engineer/graphql-iso-date开源软件地址(OpenSource Url):https://github.com/excitement-engineer/graphql-iso-date开源编程语言(OpenSource Language):JavaScript 98.8%开源软件介绍(OpenSource Introduction):GraphQL ISO DateNOTICE: The scalars defined in this repository have moved to the GraphQL-scalars repository where they will be maintained. GraphQL ISO Date is a set of RFC 3339 compliant date/time scalar types to be used with graphQL.js.
A basic understanding of GraphQL and of the graphQL.js implementation is needed to provide context for this library. This library contains the following scalars:
Getting startedInstall yarn add graphql-iso-date Or using npm npm install --save graphql-iso-date GraphQL ISO Date exposes 3 different date/time scalars that can be used in combination with graphQL.js. Let's build a simple schema using the scalars included in this library and execute a query: import {
graphql,
GraphQLObjectType,
GraphQLSchema,
} from 'graphql';
import {
GraphQLDate,
GraphQLTime,
GraphQLDateTime
} from 'graphql-iso-date';
const schema = new GraphQLSchema({
query: new GraphQLObjectType({
name: 'Query',
fields: {
birthdate: {
type: GraphQLDate,
//resolver can take a Date or date string.
resolve: () => new Date(1991, 11, 24)
},
openingNYSE: {
type: GraphQLTime,
//resolver can take a Date or time string.
resolve: () => new Date(Date.UTC(2017, 0, 10, 14, 30))
},
instant: {
type: GraphQLDateTime,
// resolver can take Date, date-time string or Unix timestamp (number).
resolve: () => new Date(Date.UTC(2017, 0, 10, 21, 33, 15, 233))
}
}
})
});
const query = `
{
birthdate
openingNYSE
instant
}
`;
graphql(schema, query).then(result => {
// Prints
// {
// data: {
// birthdate: '1991-12-24',
// openingNYSE: '14:30:00.000Z',
// instant: '2017-01-10T21:33:15.233Z'
// }
// }
console.log(result);
}); ExamplesThis project includes several examples in the folder Run the examples by downloading this project and running the following commands: Install dependencies using yarn yarn Or npm npm install Run the examples
ScalarsThis section provides a detailed description of each of the scalars.
DateA date string, such as 2007-12-03, compliant with the This scalar is a description of the date, as used for birthdays for example. It cannot represent an instant on the time-line. Result Coercion Javascript Date instances are coerced to an RFC 3339 compliant date string. Invalid Date instances raise a field error. Input Coercion When expected as an input type, only RFC 3339 compliant date strings are accepted. All other input values raise a query error indicating an incorrect type. TimeA time string at UTC, such as 10:15:30Z, compliant with the This scalar is a description of a time instant such as the opening bell of the New York Stock Exchange for example. It cannot represent an exact instant on the time-line. This scalar ignores leap seconds (thereby assuming that a minute constitutes of 59 seconds), in this respect it diverges from the RFC 3339 profile. Where an RFC 3339 compliant time string has a time-zone other than UTC, it is shifted to UTC. For example, the time string "14:10:20+01:00" is shifted to "13:10:20Z". Result Coercion Javascript Date instances are coerced to an RFC 3339 compliant time string by extracting the UTC time part. Invalid Date instances raise a field error. Input Coercion When expected as an input type, only RFC 3339 compliant time strings are accepted. All other input values raise a query error indicating an incorrect type. DateTimeA date-time string at UTC, such as 2007-12-03T10:15:30Z, compliant with the This scalar is a description of an exact instant on the time-line such as the instant that a user account was created. This scalar ignores leap seconds (thereby assuming that a minute constitutes of 59 seconds). In this respect it diverges from the RFC 3339 profile. Where an RFC 3339 compliant date-time string has a time-zone other than UTC, it is shifted to UTC. For example, the date-time string "2016-01-01T14:10:20+01:00" is shifted to "2016-01-01T13:10:20Z". Result Coercion JavaScript Date instances and Unix timestamps (represented as 32-bit signed integers) are coerced to RFC 3339 compliant date-time strings. Invalid Date instances raise a field error. Input Coercion When expected as an input type, only RFC 3339 compliant date-time strings are accepted. All other input values raise a query error indicating an incorrect type. |
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