@eggjs/controller-decorator/dist/src/util/HTTPPriorityUtil.js

tegg controller decorator

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.HTTPPriorityUtil = void 0;
const path_to_regexp_1 = require("path-to-regexp");
class HTTPPriorityUtil {
    /**
     * | Path | RegExp index | priority |
     * | --- | --- | --- |
     * | /* | [0] | 0 |
     * | /hello/:name | [1] | 1000 |
     * | /hello/world/message/:message | [3] | 3000 |
     * | /hello/:name/message/:message | [1, 3] | 4000 |
     * | /hello/world | [] | 100000/Infinity？ |
     *
     * priority = hasRegExp
     *   : regexpIndex.reduce((p,c) => p + c * 1000, 0)
     *   : 100000;
     * @param {string} path -
     */
    static calcPathPriority(path) {
        const tokens = (0, path_to_regexp_1.parse)(path);
        let priority = 0;
        let hasRegExp = false;
        let index = 0;
        let token;
        while ((token = tokens.shift())) {
            if (typeof token === 'string') {
                // /view/users/*
                // token is [ '/view/users', '*' ]
                index += (token.split('/').length - 1);
            }
            else {
                hasRegExp = true;
                priority += index++ * this.TOKEN_PRIORITY;
            }
        }
        if (!hasRegExp) {
            return this.DEFAULT_PRIORITY;
        }
        return priority;
    }
}
exports.HTTPPriorityUtil = HTTPPriorityUtil;
HTTPPriorityUtil.DEFAULT_PRIORITY = 100000;
HTTPPriorityUtil.TOKEN_PRIORITY = 1000;
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