type-r2/lib/traversable.js

Serializable, validated, and observable data layer for modern JS applications

var referenceMask = /\^|(store\.[^.]+)|([^.]+)/g;
var CompiledReference = (function () {
    function CompiledReference(reference, splitTail) {
        if (splitTail === void 0) { splitTail = false; }
        var path = reference
            .match(referenceMask)
            .map(function (key) {
            if (key === '^' || key === 'owner')
                return 'getOwner()';
            if (key[0] === '~')
                return "getStore().get(\"".concat(key.substr(1), "\")");
            if (key.indexOf('store.') === 0)
                return "getStore().get(\"".concat(key.substr(6), "\")");
            return key;
        });
        this.tail = splitTail && path.pop();
        this.local = !path.length;
        this.resolve = new Function('self', "\n            var v = self.".concat(path.shift(), ";\n                           \n            ").concat(path.map(function (x) { return "\n                v = v && v.".concat(x, ";\n            "); }).join(''), "\n\n            return v;\n        "));
    }
    return CompiledReference;
}());
export { CompiledReference };
export function resolveReference(root, reference, action) {
    var path = reference.match(referenceMask), skip = path.length - 1;
    var self = root;
    for (var i = 0; i < skip; i++) {
        var key = path[i];
        switch (key) {
            case '~':
                self = self.getStore();
                break;
            case '^':
                self = self.getOwner();
                break;
            default: self = self.get(key);
        }
        if (!self)
            return;
    }
    return action(self, path[skip]);
}
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