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fix: guard tagName.toLowerCase() against undefined element #56

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fix: guard tagName.toLowerCase() against undefined element #56

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2 changes: 1 addition & 1 deletion packages/react-grab/src/agent.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -177,7 +177,7 @@ export const createAgentManager = (
const element = document.elementFromPoint(centerX, centerY);
if (!element) return undefined;

if (tagName && element.tagName.toLowerCase() !== tagName) {
if (tagName && (element.tagName || "").toLowerCase() !== tagName) {
return undefined;
}

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4 changes: 2 additions & 2 deletions packages/react-grab/src/context.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,7 @@ export const getElementContext = async (
};

export const getHTMLPreview = (element: Element): string => {
const tagName = element.tagName.toLowerCase();
const tagName = (element.tagName || "").toLowerCase();
if (!(element instanceof HTMLElement)) {
return `<${tagName} />`;
}
Expand Down Expand Up @@ -180,7 +180,7 @@ export const getHTMLPreview = (element: Element): string => {
if (elements.length === 0) return "";
if (elements.length <= 2) {
return elements
.map((el) => `<${el.tagName.toLowerCase()} ...>`)
.map((el) => `<${(el.tagName || "").toLowerCase()} ...>`)
.join("\n ");
}
return `(${elements.length} elements)`;
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2 changes: 1 addition & 1 deletion packages/react-grab/src/utils/is-selection-inside-editable-element.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
const isEditableElement = (element: Element): boolean => {
const tagName = element.tagName.toLowerCase();
const tagName = (element.tagName || "").toLowerCase();
if (tagName === "input" || tagName === "textarea") {
return true;
}
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