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Add a console warning for defining a toolbox using JSON (#3937)

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alschmiedt
2020-06-10 11:11:28 -07:00
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parent 1349017c8a
commit b1211f6dd2
1 changed files with 2 additions and 0 deletions
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2
core/utils/toolbox.js
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@@ -99,6 +99,8 @@ Blockly.utils.toolbox.convertToolboxToJSON = function(toolboxDef) {
}
// If it is an array of JSON, then it is already in the correct format.
if (Array.isArray(toolboxDef) && toolboxDef.length && !(toolboxDef[0].nodeType)) {
console.warn('Due to some performance issues, defining a toolbox using JSON is not' +
' ready yet. Please define your toolbox using xml.');
return /** @type {!Array.<Blockly.utils.toolbox.Toolbox>} */ (toolboxDef);
}