/**
 * converts a list of change objects to the format returned by Google's [diff-match-patch](https://github.com/google/diff-match-patch) library
 */
export function convertChangesToDMP(changes) {
    const ret = [];
    let change, operation;
    for (let i = 0; i < changes.length; i++) {
        change = changes[i];
        if (change.added) {
            operation = 1;
        }
        else if (change.removed) {
            operation = -1;
        }
        else {
            operation = 0;
        }
        ret.push([operation, change.value]);
    }
    return ret;
}