-
-
Notifications
You must be signed in to change notification settings - Fork 483
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
refactor: separate route parsing utilities (#3236)
- Loading branch information
1 parent
1dfb809
commit ea7aa14
Showing
4 changed files
with
159 additions
and
157 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| /** | ||
| * segment parser, forked from the below: | ||
| * - original repository url: https://github.com/nuxt/nuxt | ||
| * - code url: https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/pages/utils.ts | ||
| * - author: Nuxt Framework Team | ||
| * - license: MIT | ||
| */ | ||
|
|
||
| import { encodePath } from 'ufo' | ||
|
|
||
| enum SegmentParserState { | ||
| initial, | ||
| static, | ||
| dynamic, | ||
| optional, | ||
| catchall, | ||
| group | ||
| } | ||
|
|
||
| enum SegmentTokenType { | ||
| static, | ||
| dynamic, | ||
| optional, | ||
| catchall, | ||
| group | ||
| } | ||
|
|
||
| interface SegmentToken { | ||
| type: SegmentTokenType | ||
| value: string | ||
| } | ||
|
|
||
| const COLON_RE = /:/g | ||
| export function getRoutePath(tokens: SegmentToken[]): string { | ||
| return tokens.reduce((path, token) => { | ||
| return ( | ||
| path + | ||
| (token.type === SegmentTokenType.optional | ||
| ? `:${token.value}?` | ||
| : token.type === SegmentTokenType.dynamic | ||
| ? `:${token.value}()` | ||
| : token.type === SegmentTokenType.catchall | ||
| ? `:${token.value}(.*)*` | ||
| : token.type === SegmentTokenType.group | ||
| ? '' | ||
| : encodePath(token.value).replace(COLON_RE, '\\:')) | ||
| ) | ||
| }, '/') | ||
| } | ||
|
|
||
| const PARAM_CHAR_RE = /[\w.]/ | ||
|
|
||
| export function parseSegment(segment: string) { | ||
| let state: SegmentParserState = SegmentParserState.initial | ||
| let i = 0 | ||
|
|
||
| let buffer = '' | ||
| const tokens: SegmentToken[] = [] | ||
|
|
||
| function consumeBuffer() { | ||
| if (!buffer) { | ||
| return | ||
| } | ||
| if (state === SegmentParserState.initial) { | ||
| throw new Error('wrong state') | ||
| } | ||
|
|
||
| tokens.push({ | ||
| type: | ||
| state === SegmentParserState.static | ||
| ? SegmentTokenType.static | ||
| : state === SegmentParserState.dynamic | ||
| ? SegmentTokenType.dynamic | ||
| : state === SegmentParserState.optional | ||
| ? SegmentTokenType.optional | ||
| : state === SegmentParserState.catchall | ||
| ? SegmentTokenType.catchall | ||
| : SegmentTokenType.group, | ||
| value: buffer | ||
| }) | ||
|
|
||
| buffer = '' | ||
| } | ||
|
|
||
| while (i < segment.length) { | ||
| const c = segment[i] | ||
|
|
||
| switch (state) { | ||
| case SegmentParserState.initial: | ||
| buffer = '' | ||
| if (c === '[') { | ||
| state = SegmentParserState.dynamic | ||
| } else if (c === '(') { | ||
| state = SegmentParserState.group | ||
| } else { | ||
| i-- | ||
| state = SegmentParserState.static | ||
| } | ||
| break | ||
|
|
||
| case SegmentParserState.static: | ||
| if (c === '[') { | ||
| consumeBuffer() | ||
| state = SegmentParserState.dynamic | ||
| } else if (c === '(') { | ||
| consumeBuffer() | ||
| state = SegmentParserState.group | ||
| } else { | ||
| buffer += c | ||
| } | ||
| break | ||
|
|
||
| case SegmentParserState.catchall: | ||
| case SegmentParserState.dynamic: | ||
| case SegmentParserState.optional: | ||
| case SegmentParserState.group: | ||
| if (buffer === '...') { | ||
| buffer = '' | ||
| state = SegmentParserState.catchall | ||
| } | ||
| if (c === '[' && state === SegmentParserState.dynamic) { | ||
| state = SegmentParserState.optional | ||
| } | ||
| if (c === ']' && (state !== SegmentParserState.optional || segment[i - 1] === ']')) { | ||
| if (!buffer) { | ||
| throw new Error('Empty param') | ||
| } else { | ||
| consumeBuffer() | ||
| } | ||
| state = SegmentParserState.initial | ||
| } else if (c === ')' && state === SegmentParserState.group) { | ||
| if (!buffer) { | ||
| throw new Error('Empty group') | ||
| } else { | ||
| consumeBuffer() | ||
| } | ||
| state = SegmentParserState.initial | ||
| } else if (c && PARAM_CHAR_RE.test(c)) { | ||
| buffer += c | ||
| } else { | ||
| // console.debug(`[pages]Ignored character "${c}" while building param "${buffer}" from "segment"`) | ||
| } | ||
| break | ||
| } | ||
| i++ | ||
| } | ||
|
|
||
| if (state === SegmentParserState.dynamic) { | ||
| throw new Error(`Unfinished param "${buffer}"`) | ||
| } | ||
|
|
||
| consumeBuffer() | ||
|
|
||
| return tokens | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters