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#!/usr/bin/env node
const fs = require('fs/promises');
const path = require('path');
const assert = require('assert');
const ROOT_DIR = path.join(__dirname, '../../');
const GRAPHQL_SCHEMA = path.join(ROOT_DIR, 'tmp/tests/graphql/gitlab_schema.json');
const POSSIBLE_TYPES_REL = 'app/assets/javascripts/graphql_shared/possible_types.json';
const POSSIBLE_TYPES = path.join(ROOT_DIR, POSSIBLE_TYPES_REL);
function extractTypes(schema) {
return Object.fromEntries(
// eslint-disable-next-line no-underscore-dangle
schema.data.__schema.types
.filter((type) => type.possibleTypes)
.map(({ name, possibleTypes }) => [name, possibleTypes.map((subtype) => subtype.name)]),
);
}
async function main() {
let schema;
try {
schema = JSON.parse(await fs.readFile(GRAPHQL_SCHEMA, 'utf-8'));
} catch (e) {
console.error(
'Could not read the GraphQL Schema, make sure to run: bundle exec rake gitlab:graphql:schema:dump',
);
throw e;
}
const possibleTypes = extractTypes(schema);
if (process.argv.includes('--check')) {
const previousTypes = JSON.parse(await fs.readFile(POSSIBLE_TYPES, 'utf-8'));
assert.deepStrictEqual(
previousTypes,
possibleTypes,
`
${POSSIBLE_TYPES_REL} needs to be regenerated, please run:
node scripts/frontend/graphql_possible_types_extraction.js --write
and commit the changes!
`,
);
return;
}
if (process.argv.includes('--write')) {
const stringifiedPossibleTypes = JSON.stringify(possibleTypes, null, 2);
await fs.writeFile(POSSIBLE_TYPES, `${stringifiedPossibleTypes}\n`);
console.log(`Successfully updated ${POSSIBLE_TYPES_REL}`);
return;
}
throw new Error(`
ERROR: Please use the script correctly:
Usage: graphql_possible_types_extraction [options]
Options:
--check Check whether there are new Interface or Union types
--write Generate new possible types
`);
}
main().catch((error) => {
console.warn(error.message);
process.exitCode = 1;
});
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