| 'use strict' |
| |
| var values = require('../character/values.js') |
| |
| function normalizeIdentifier(value) { |
| return ( |
| value |
| // Collapse Markdown whitespace. |
| .replace(/[\t\n\r ]+/g, values.space) |
| // Trim. |
| .replace(/^ | $/g, '') |
| // Some characters are considered “uppercase”, but if their lowercase |
| // counterpart is uppercased will result in a different uppercase |
| // character. |
| // Hence, to get that form, we perform both lower- and uppercase. |
| // Upper case makes sure keys will not interact with default prototypal |
| // methods: no object method is uppercase. |
| .toLowerCase() |
| .toUpperCase() |
| ) |
| } |
| |
| module.exports = normalizeIdentifier |
