testcontainers
Version:
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container
29 lines • 1.04 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.imageExists = void 0;
const async_lock_1 = __importDefault(require("async-lock"));
const existingImages = new Set();
const imageCheckLock = new async_lock_1.default();
async function imageExists(dockerode, imageName) {
return imageCheckLock.acquire(imageName.string, async () => {
if (existingImages.has(imageName.string)) {
return true;
}
try {
await dockerode.getImage(imageName.string).inspect();
existingImages.add(imageName.string);
return true;
}
catch (err) {
if (err instanceof Error && err.message.toLowerCase().includes("no such image")) {
return false;
}
throw err;
}
});
}
exports.imageExists = imageExists;
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