@schoenbergerb/logical-expression-parser/dist/tokenizer.js

Logical expression parser and evaluates result, suitable for permissions management

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Tokenizer = void 0;
const token_type_1 = require("./token-type");
const Tokenizer = (expression, customTokens) => {
    let literal = "";
    const tokens = [];
    for (const char of expression) {
        const token = (0, token_type_1.getTokenTypeByValue)(char, customTokens);
        switch (token) {
            case token_type_1.Token.PARENTHESES_OPEN:
            case token_type_1.Token.PARENTHESES_OPEN:
            case token_type_1.Token.PARENTHESES_CLOSE:
            case token_type_1.Token.OPERATOR_NOT:
            case token_type_1.Token.OPERATOR_AND:
            case token_type_1.Token.OPERATOR_OR:
                if (literal) {
                    tokens.push({
                        type: token_type_1.Token.LITERAL,
                        value: literal,
                    });
                    literal = "";
                }
                tokens.push({
                    type: token,
                    value: char,
                });
                break;
            default:
                literal += char;
        }
    }
    if (literal)
        tokens.push({
            type: token_type_1.Token.LITERAL,
            value: literal,
        });
    return tokens;
};
exports.Tokenizer = Tokenizer;
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