@ima/core/dist/cjs/http/UrlTransformer.js

IMA.js framework for isomorphic javascript application

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "UrlTransformer", {
    enumerable: true,
    get: function() {
        return UrlTransformer;
    }
});
class UrlTransformer {
    _rules;
    static get $dependencies() {
        return [];
    }
    /**
   * Initializes the URL transformer.
   */ constructor(){
        this._rules = {};
    }
    /**
   * Adds the provided replacement rule to the rules used by this URL
   * transformer.
   *
   * @param pattern Regexp patter to look for (must be escaped as if
   *        for use in the {@link Regexp} constructor).
   * @param replacement The replacement of the matched patter in any
   *        matched URL.
   * @return This transformer.
   */ addRule(pattern, replacement) {
        this._rules[pattern] = replacement;
        return this;
    }
    /**
   * Clears all rules.
   */ clear() {
        this._rules = {};
        return this;
    }
    /**
   * Applies all rules registered with this URL transformer to the provided
   * URL and returns the result. The rules will be applied in the order they
   * were registered.
   *
   * @param url The URL for transformation.
   * @return Transformed URL.
   */ transform(url) {
        const rulesKey = Object.keys(this._rules);
        if (rulesKey.length === 0) {
            return url;
        }
        const reg = new RegExp(rulesKey.join('|'), 'g');
        return url.replace(reg, (ruleKey)=>this._rules[ruleKey]);
    }
}

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