@graphql-mesh/plugin-snapshot
Version:
70 lines (69 loc) • 3.17 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const minimatch_1 = require("minimatch");
const cross_helpers_1 = require("@graphql-mesh/cross-helpers");
const string_interpolation_1 = require("@graphql-mesh/string-interpolation");
const utils_1 = require("@graphql-mesh/utils");
const fetch_1 = require("@whatwg-node/fetch");
function calculateCacheKey(url, options) {
return (0, string_interpolation_1.hashObject)({
url,
options,
});
}
function useSnapshot(pluginOptions) {
if (typeof pluginOptions.if === 'boolean') {
if (!pluginOptions.if) {
return {};
}
}
if (typeof pluginOptions.if === 'string') {
// eslint-disable-next-line no-new-func
if (!new Function('env', 'return ' + pluginOptions.if)(cross_helpers_1.process.env)) {
return {};
}
}
const matches = pluginOptions.apply.map(glob => new minimatch_1.Minimatch(glob));
const snapshotsDir = pluginOptions.outputDir || '__snapshots__';
return {
async onFetch({ url, options, setFetchFn }) {
if (matches.some(matcher => matcher.match(url))) {
const snapshotFileName = calculateCacheKey(url, options);
const snapshotPath = cross_helpers_1.path.join(pluginOptions.baseDir || cross_helpers_1.process.cwd(), snapshotsDir, `${snapshotFileName}.json`);
if (await (0, utils_1.pathExists)(snapshotPath)) {
setFetchFn(async () => {
const snapshotFile = await cross_helpers_1.fs.promises.readFile(snapshotPath, 'utf-8');
const snapshot = JSON.parse(snapshotFile);
return new fetch_1.Response(snapshot.text, {
headers: snapshot.headersObj,
status: snapshot.status,
statusText: snapshot.statusText,
});
});
return () => { };
}
return async ({ response, setResponse }) => {
const contentType = response.headers.get('content-type');
if (contentType.includes('json') ||
contentType.includes('text') ||
contentType.includes('xml')) {
const snapshot = {
text: await response.text(),
headersObj: (0, utils_1.getHeadersObj)(response.headers),
status: response.status,
statusText: response.statusText,
};
await (0, utils_1.writeJSON)(snapshotPath, snapshot, null, 2);
setResponse(new fetch_1.Response(snapshot.text, {
headers: snapshot.headersObj,
status: snapshot.status,
statusText: snapshot.statusText,
}));
}
};
}
return () => { };
},
};
}
exports.default = useSnapshot;