expression-language/lib/SyntaxError.js

Javascript implementation of symfony/expression-language

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _Levenshtein = require("./lib/Levenshtein");
class SyntaxError extends Error {
  constructor(message, cursor, expression, subject, proposals) {
    super(message);
    this.name = "SyntaxError";
    this.cursor = cursor;
    this.expression = expression;
    this.subject = subject;
    this.proposals = proposals;
  }
  toString() {
    let message = `${this.name}: ${this.message} around position ${this.cursor}`;
    if (this.expression) {
      message = message + ` for expression \`${this.expression}\``;
    }
    message += ".";
    if (this.subject && this.proposals) {
      let minScore = Number.MAX_SAFE_INTEGER,
        guess = null;
      for (let proposal of this.proposals) {
        let distance = (0, _Levenshtein.getEditDistance)(this.subject, proposal);
        if (distance < minScore) {
          guess = proposal;
          minScore = distance;
        }
      }
      if (guess !== null && minScore < 3) {
        message += ` Did you mean "${guess}"?`;
      }
    }
    return message;
  }
}
exports.default = SyntaxError;