70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
'use strict';
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let rpc = require('./rpc');
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let util = require('./util');
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let idKey = Symbol();
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let realmKey = Symbol();
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let prototype = util.createListPrototype(getterForLength, getterForIndex, setterForIndex);
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exports.create = create;
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[
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'pop',
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'shift',
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'push',
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'unshift',
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'splice',
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].forEach(function(name, i) {
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let growthMethod = (i >= 2);
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Object.defineProperty(prototype, name, {
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value: function() {
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let listId = this[idKey];
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let realmId = this[realmKey];
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if (!listId || !realmId) {
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throw new TypeError(name + ' method was not called on a List!');
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}
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let result = rpc.callListMethod(realmId, listId, name, Array.from(arguments));
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// Since this method might have grown the list, ensure index properties are defined.
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if (growthMethod) {
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prototype[util.growListPrototypeKey](this.length);
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}
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return result;
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}
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});
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});
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function create(realmId, info) {
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let list = Object.create(prototype);
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let size = info.size;
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list[realmKey] = realmId;
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list[idKey] = info.id;
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list[util.growListPrototypeKey](size);
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return list;
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}
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function getterForLength() {
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return rpc.getListSize(this[realmKey], this[idKey]);
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}
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function getterForIndex(index) {
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return function() {
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let realmId = this[realmKey];
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return rpc.getListItem(realmId, this[idKey], index);
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};
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}
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function setterForIndex(index) {
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return function(value) {
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rpc.setListItem(this[realmKey], this[idKey], index, value);
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};
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}
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