beaverjs/dist/utilities.js

An abstraction around WebExtension messaging

export function assert(condition, message) {
    if (!condition) {
        throw new Error(message);
    }
}
export function tryParse(data, fallback = undefined) {
    if (!data)
        return fallback;
    try {
        return JSON.parse(data);
    }
    catch {
        return fallback;
    }
}
export function* filterMap(array, fn) {
    for (const item of array) {
        const result = fn(item);
        if (result !== null)
            yield result;
    }
}
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