(identifier: string)
| 21 | const DECODE_REGEX = /^__TURBOPACK__([a-zA-Z0-9_$]+)__$/ |
| 22 | |
| 23 | export function decodeMagicIdentifier(identifier: string): string { |
| 24 | const matches = identifier.match(DECODE_REGEX) |
| 25 | if (!matches) { |
| 26 | return identifier |
| 27 | } |
| 28 | |
| 29 | const inner = matches[1] |
| 30 | |
| 31 | let output = '' |
| 32 | |
| 33 | let mode: Mode = Mode.Text |
| 34 | let buffer = '' |
| 35 | for (let i = 0; i < inner.length; i++) { |
| 36 | const char = inner[i] |
| 37 | |
| 38 | if (mode === Mode.Text) { |
| 39 | if (char === '_') { |
| 40 | mode = Mode.Underscore |
| 41 | } else if (char === '$') { |
| 42 | mode = Mode.Hex |
| 43 | } else { |
| 44 | output += char |
| 45 | } |
| 46 | } else if (mode === Mode.Underscore) { |
| 47 | if (char === '_') { |
| 48 | output += ' ' |
| 49 | mode = Mode.Text |
| 50 | } else if (char === '$') { |
| 51 | output += '_' |
| 52 | mode = Mode.Hex |
| 53 | } else { |
| 54 | output += char |
| 55 | mode = Mode.Text |
| 56 | } |
| 57 | } else if (mode === Mode.Hex) { |
| 58 | if (buffer.length === 2) { |
| 59 | output += decodeHex(buffer) |
| 60 | buffer = '' |
| 61 | } |
| 62 | |
| 63 | if (char === '_') { |
| 64 | if (buffer !== '') { |
| 65 | throw new Error(`invalid hex: \`${buffer}\``) |
| 66 | } |
| 67 | |
| 68 | mode = Mode.LongHex |
| 69 | } else if (char === '$') { |
| 70 | if (buffer !== '') { |
| 71 | throw new Error(`invalid hex: \`${buffer}\``) |
| 72 | } |
| 73 | |
| 74 | mode = Mode.Text |
| 75 | } else { |
| 76 | buffer += char |
| 77 | } |
| 78 | } else if (mode === Mode.LongHex) { |
| 79 | if (char === '_') { |
| 80 | throw new Error(`invalid hex: \`${buffer + char}\``) |
no test coverage detected