@fromjs/backend/dist/src/fixOffByOneTraversalError.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function fixOffByOneTraversalError(step, nextStep) {
    if (typeof step.operationLog._result === "string" &&
        typeof nextStep.operationLog._result === "string") {
        let charBefore = step.operationLog._result[step.charIndex];
        let charNow = nextStep.operationLog._result[nextStep.charIndex];
        if (charNow !== charBefore) {
            let prevCharNow = nextStep.operationLog._result[nextStep.charIndex - 1];
            let nextCharNow = nextStep.operationLog._result[nextStep.charIndex + 1];
            console.log("char doesn't match after traversal step", {
                charNow,
                charBefore,
                prevCharNow,
                nextCharNow,
            });
            // YOLO: try to fix off-by-one errors
            if (prevCharNow === charBefore) {
                nextStep.charIndex -= 1;
                console.log("Auto-fixed off by one error");
            }
            else if (nextCharNow === charBefore) {
                nextStep.charIndex += 1;
                console.log("Auto-fixed off by one error");
            }
        }
    }
}
exports.fixOffByOneTraversalError = fixOffByOneTraversalError;