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buildSchema.js
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buildSchema.js
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import fs from 'fs';
import path from 'path';
import { graphql } from 'graphql';
import { introspectionQuery, printSchema } from 'graphql/utilities';
import { getExampleNames, resolveExamplePath } from './config';
async function buildSchema(schemaPath) {
const Schema = require(`${schemaPath}/graphqlSchema`).default;
const result = await (graphql(Schema, introspectionQuery));
if (result.errors) {
console.error(
'ERROR introspecting schema: ',
JSON.stringify(result.errors, null, 2)
);
} else {
fs.writeFileSync(
path.join(schemaPath, './data/schema.graphql.json'),
JSON.stringify(result, null, 2)
);
console.log(` write file ${path.join(schemaPath, './data/schema.graphql.json')}`);
}
// Save user readable type system shorthand of schema
fs.writeFileSync(
path.join(schemaPath, './data/schema.graphql.txt'),
printSchema(Schema)
);
console.log(` write file ${path.join(schemaPath, './data/schema.graphql.txt')}`);
}
async function run() {
const exampleNames = getExampleNames();
for (let name of exampleNames) {
console.log(`Building schema for '${name}'...`);
await buildSchema(resolveExamplePath(name));
}
console.log('Building schemas competed!');
};
run().catch(e => {
console.log(e);
process.exit(0);
});