All files / tardis node.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function runWalker(walker, path, state) {
    if (walker) {
        return walker(path, state);
    }
    return new Promise(function syncWalker(resolve, reject) {
        try {
            resolve(walker(path, state));
        }
        catch (err) {
            reject(err);
        }
    });
}
function mergeWalkers(...walkers) {
    return function mergedWalker(path, state) {
        return Promise.all(walkers.map(function (walker) {
            return runWalker(walker, path, state);
        })).then(function () {
            return;
        });
    };
}
exports.mergeWalkers = mergeWalkers;
function mergeVisitors(...visitors) {
    const visitor = {};
    for (const mergableVisitor of visitors) {
        for (const nodeType in mergableVisitor) {
            if (mergableVisitor.hasOwnProperty(nodeType)) {
                if (visitor[nodeType]) {
                    visitor[nodeType] = mergeWalkers(visitor[nodeType], mergableVisitor[nodeType]);
                }
                else {
                    visitor[nodeType] = mergableVisitor[nodeType];
                }
            }
        }
    }
    return visitor;
}
exports.mergeVisitors = mergeVisitors;
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