@bitblit/ratchet-common/lib/lang/composite-last-success-provider.js

Common tools for general use

export class CompositeLastSuccessProvider {
    sources;
    mostRecent;
    constructor(src, mostRecentSrc = true) {
        if (!src || src.length == 0) {
            throw Error('Cannot create composite provider with null/empty sources');
        }
        this.sources = src;
        this.mostRecent = mostRecentSrc;
    }
    lastSuccess() {
        let rval = null;
        this.sources.forEach((s) => {
            const val = s.lastSuccess();
            if (val != null) {
                if (rval == null) {
                    rval = val;
                }
                else {
                    rval = (val > rval && this.mostRecent) || (val < rval && !this.mostRecent) ? val : rval;
                }
            }
        });
        return rval;
    }
}
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