mirror of
https://github.com/denoland/deno.git
synced 2024-11-04 08:54:20 -05:00
43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.Trie = void 0;
|
||
|
|
const node_1 = require("./node");
|
||
|
|
class Trie {
|
||
|
|
constructor({ reverse } = { reverse: false }) {
|
||
|
|
this.context = { varIndex: 0 };
|
||
|
|
this.root = new node_1.Node({ reverse });
|
||
|
|
}
|
||
|
|
insert(path, index) {
|
||
|
|
const paramMap = [];
|
||
|
|
/**
|
||
|
|
* - pattern (:label, :label{0-9]+}, ...)
|
||
|
|
* - /* wildcard
|
||
|
|
* - character
|
||
|
|
*/
|
||
|
|
const tokens = path.match(/(?::[^\/]+)|(?:\/\*$)|./g);
|
||
|
|
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
|
||
|
|
// @ts-ignore
|
||
|
|
this.root.insert(tokens, index, paramMap, this.context);
|
||
|
|
return paramMap;
|
||
|
|
}
|
||
|
|
buildRegExp() {
|
||
|
|
let regexp = this.root.buildRegExpStr();
|
||
|
|
let captureIndex = 0;
|
||
|
|
const indexReplacementMap = [];
|
||
|
|
const paramReplacementMap = [];
|
||
|
|
regexp = regexp.replace(/#(\d+)|@(\d+)|\.\*\$/g, (_, handlerIndex, paramIndex) => {
|
||
|
|
if (typeof handlerIndex !== 'undefined') {
|
||
|
|
indexReplacementMap[++captureIndex] = Number(handlerIndex);
|
||
|
|
return '$()';
|
||
|
|
}
|
||
|
|
if (typeof paramIndex !== 'undefined') {
|
||
|
|
paramReplacementMap[Number(paramIndex)] = ++captureIndex;
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
return '';
|
||
|
|
});
|
||
|
|
return [new RegExp(`^${regexp}`), indexReplacementMap, paramReplacementMap];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.Trie = Trie;
|