image-js/lib/utils/validators/assert.js

Image processing and manipulation in JavaScript

/**
 * Asserts that value is truthy.
 * @param value - Value to check.
 * @param message - Optional error message to throw.
 */
export function assert(value, message) {
    if (!value) {
        throw new Error(message || 'unreachable');
    }
}
/**
 * Makes sure that all cases are handled
 * @param x - cases of value to check
 */
export function assertUnreachable(x) {
    throw new Error(`unreachable: ${String(x)}`);
}
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