Function insertMention

webview-ui/src/utils/context-mentions.ts:27–76

(
	text: string,
	position: number,
	value: string,
	isSlashCommand: boolean = false,
)

}

export function insertMention(
	text: string,
	position: number,
	value: string,
	isSlashCommand: boolean = false,
): { newValue: string; mentionIndex: number } {
	// Handle slash command selection (only when explicitly selecting a slash command)
	if (isSlashCommand) {
		return {
			newValue: value,
			mentionIndex: 0,
		}
	}

	const beforeCursor = text.slice(0, position)
	const afterCursor = text.slice(position)

	// Find the position of the last '@' symbol before the cursor
	const lastAtIndex = beforeCursor.lastIndexOf("@")

	// Process the value - escape spaces if it's a file path
	let processedValue = value
	if (value && value.startsWith("/")) {
		// Only escape if the path contains spaces that aren't already escaped
		if (value.includes(" ") && !value.includes("\\ ")) {
			processedValue = escapeSpaces(value)
		}
	}

	let newValue: string
	let mentionIndex: number

	if (lastAtIndex !== -1) {
		// If there's an '@' symbol, replace everything after it with the new mention
		const beforeMention = text.slice(0, lastAtIndex)
		// Only replace if afterCursor is all alphanumerical
		// This is required to handle languages that don't use space as a word separator (chinese, japanese, korean, etc)
		const afterCursorContent = /^[a-zA-Z0-9\s]*$/.test(afterCursor)
			? afterCursor.replace(/^[^\s]*/, "")
			: afterCursor
		newValue = beforeMention + "@" + processedValue + " " + afterCursorContent
		mentionIndex = lastAtIndex
	} else {
		// If there's no '@' symbol, insert the mention at the cursor position
		newValue = beforeCursor + "@" + processedValue + " " + afterCursor
		mentionIndex = position
	}

	return { newValue, mentionIndex }
}

export function removeMention(text: string, position: number): { newText: string; newPosition: number } {
	const beforeCursor = text.slice(0, position)