Marc Mintel
5397309103
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39 lines
1.4 KiB
Plaintext
39 lines
1.4 KiB
Plaintext
import { GraphQLScalarType, Kind } from 'graphql';
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import { createGraphQLError } from '../error.js';
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const RGBA_REGEX = /^rgba\(\s*(-?\d+|-?\d*\.\d+(?=%))(%?)\s*,\s*(-?\d+|-?\d*\.\d+(?=%))(\2)\s*,\s*(-?\d+|-?\d*\.\d+(?=%))(\2)\s*,\s*(-?\d+|-?\d*.\d+)\s*\)$/;
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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 (!RGBA_REGEX.test(value)) {
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throw createGraphQLError(`Value is not a valid RGBA color: ${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 GraphQLRGBA = /*#__PURE__*/ new GraphQLScalarType({
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name: `RGBA`,
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description: `A field whose value is a CSS RGBA color: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#rgb()_and_rgba().`,
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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 RGBA colors but got a: ${ast.kind}`, {
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nodes: ast,
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});
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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: 'RGBA',
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type: 'string',
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pattern: RGBA_REGEX.source,
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},
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},
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});
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