| 1 | // refToken mirrors the Go @-token grammar in internal/control/refs.go: a token |
| 2 | // is a run of non-whitespace, except that a backslash-escaped space or tab |
| 3 | // stays inside the token. Any other backslash is literal so Windows separators |
| 4 | // keep their meaning. escapeRefPath/unescapeRefPath are the inverse pair the |
| 5 | // control layer applies when resolving refs on submit. |
| 6 | |
| 7 | // One token character: an escaped space/tab pair, or any non-whitespace byte. |
| 8 | const TOKEN_CHAR = String.raw`(?:\\[ \t]|[^\s])`; |
| 9 | |
| 10 | // The @token ending at the cursor (token may be empty while still typing). |
| 11 | export const activeRefTokenRe = new RegExp(`(?:^|\\s)@(${TOKEN_CHAR}*)$`); |
| 12 | |
| 13 | // All @tokens in a text, for display badge extraction. |
| 14 | export function refTokenRe(): RegExp { |
| 15 | return new RegExp(`(^|\\s)@(${TOKEN_CHAR}+)`, "g"); |
| 16 | } |
| 17 | |
| 18 | export function escapeRefPath(path: string): string { |
| 19 | return path.replace(/[ \t]/g, (ws) => "\\" + ws); |
| 20 | } |
| 21 | |
| 22 | export function unescapeRefPath(token: string): string { |
| 23 | return token.replace(/\\([ \t])/g, "$1"); |
| 24 | } |
| 25 |