@graphql-mesh/cache-file
Version:
51 lines (50 loc) • 1.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const dataloader_1 = tslib_1.__importDefault(require("dataloader"));
const cross_helpers_1 = require("@graphql-mesh/cross-helpers");
const utils_1 = require("@graphql-mesh/utils");
class FileCache {
constructor({ path, importFn }) {
this.absolutePath = cross_helpers_1.path.isAbsolute(path) ? path : cross_helpers_1.path.join(process.cwd(), path);
this.json$ = (0, utils_1.pathExists)(this.absolutePath).then(async (isExists) => {
if (isExists) {
const existingData = await importFn(this.absolutePath);
return {
...existingData,
};
}
return {};
});
this.writeDataLoader = new dataloader_1.default(async (keys) => {
const json = await this.json$;
await (0, utils_1.writeJSON)(this.absolutePath, json);
return keys;
});
}
async getKeysByPrefix(prefix) {
const json = await this.json$;
return Object.keys(json).filter(key => key.startsWith(prefix));
}
async get(name) {
const json = await this.json$;
return json[name];
}
async set(name, value) {
const json = await this.json$;
json[name] = value;
await this.writeDataLoader.load(name);
}
async delete(name) {
const json = await this.json$;
delete json[name];
try {
await this.writeDataLoader.load(name);
return true;
}
catch {
return false;
}
}
}
exports.default = FileCache;