collect.js

// Run on https://lexfridman.com/israel-palestine-debate-transcript

(function() {
    // Exclude rambles shorter than this value. There are points in the transcript
    // where norm speaks for a very short time, or speakers interrupt each-other.
    const NORM_RAMBLE_THRESHOLD = 5;

    let items = document.querySelectorAll(".ts-segment");
    
    // Collect to (speaker,start) pairs first to make processing easier
    let pairs = [];
    
    let start=0;
    let speaker;
    for (let item of items) {
        let new_speaker = item.querySelector(".ts-name").innerText;
        if (new_speaker != "") {
            if (speaker != null) {
                pairs.push({speaker,start});
            }
        
            speaker = new_speaker;
            
            let href = item.querySelector(".ts-timestamp a").href;
            
            let time = +href.split("t=")[1];
            
            start = time;
        }
    }
    
    let results = [];
    
    for (let i=0;i<pairs.length;i++) {
        let pair = pairs[i];
        switch (pair.speaker) {
            case "Lex Fridman":
            case "Benny Morris":
            case "Steven Bonnell":
            case "Mouin Rabbani":
                continue;
            case "Norman Finkelstein": {
                // thankfully norm isn't near the end so our shit logic is sufficient
                let start = pair.start;
                let end = pairs[i+1].start;
                
                if (end-start >= NORM_RAMBLE_THRESHOLD) {
                    results.push([start,end]);
                }
                
                break;
            }
            default: throw new Error("bad speaker: "+pair.speaker);
        }
    }
    
    console.log(JSON.stringify(results));
})();