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34 lines
809 B
JavaScript
34 lines
809 B
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Generator for unique element IDs.
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* For UUIDs use Blockly.utils.genUid. The ID generator should primarily be
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* used for IDs that end up in the DOM.
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* @author samelh@google.com (Sam El-Husseini)
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*/
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'use strict';
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goog.provide('Blockly.utils.IdGenerator');
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/**
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* Next unique ID to use.
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* @type {number}
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* @private
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*/
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Blockly.utils.IdGenerator.nextId_ = 0;
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/**
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* Gets the next unique ID.
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* IDs are compatible with the HTML4 id attribute restrictions:
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* Use only ASCII letters, digits, '_', '-' and '.'
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* @return {string} The next unique identifier.
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*/
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Blockly.utils.IdGenerator.getNextUniqueId = function() {
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return 'blockly-' + (Blockly.utils.IdGenerator.nextId_++).toString(36);
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};
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