@lewiswright/vitest-plugin-vis/esm/client/page/has_image_snapshot.js

Vitest visual testing plugin

import { commands } from '@vitest/browser/context';
import { ctx } from "../ctx.js";
import { toTaskId } from "../task_id.js";
/**
 * Check if the snapshot image exists.
 */
export function hasImageSnapshot(options) {
    const test = ctx.getCurrentTest();
    if (!test) {
        throw new Error('`hasImageSnapshot()` must be called in a test.');
    }
    if (test.concurrent) {
        throw new Error('`hasImageSnapshot()` cannot be called in a concurrent test because ' +
            "concurrent tests run at the same time in the same iframe and affect each other's environment. ");
    }
    const taskId = toTaskId(test);
    const isAutoSnapshot = !!test.meta.vis?.isAutoSnapshot;
    if (options?.customizeSnapshotId) {
        return commands
            .imageSnapshotNextIndex(taskId)
            .then((index) => commands.hasImageSnapshot(taskId, options.customizeSnapshotId({ id: taskId, index, isAutoSnapshot }), isAutoSnapshot));
    }
    return commands.hasImageSnapshot(taskId, undefined, isAutoSnapshot);
}