coffee-script-1.7.1.helpers.js Maven / Gradle / Ivy

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A Maven 2.0 plugin for compiling coffeescript into javascript
There is a newer version: 1.4.18
// Generated by CoffeeScript 1.7.1
(function() {
  var buildLocationData, extend, flatten, last, repeat, syntaxErrorToString, _ref;

  exports.starts = function(string, literal, start) {
    return literal === string.substr(start, literal.length);
  };

  exports.ends = function(string, literal, back) {
    var len;
    len = literal.length;
    return literal === string.substr(string.length - len - (back || 0), len);
  };

  exports.repeat = repeat = function(str, n) {
    var res;
    res = '';
    while (n > 0) {
      if (n & 1) {
        res += str;
      }
      n >>>= 1;
      str += str;
    }
    return res;
  };

  exports.compact = function(array) {
    var item, _i, _len, _results;
    _results = [];
    for (_i = 0, _len = array.length; _i < _len; _i++) {
      item = array[_i];
      if (item) {
        _results.push(item);
      }
    }
    return _results;
  };

  exports.count = function(string, substr) {
    var num, pos;
    num = pos = 0;
    if (!substr.length) {
      return 1 / 0;
    }
    while (pos = 1 + string.indexOf(substr, pos)) {
      num++;
    }
    return num;
  };

  exports.merge = function(options, overrides) {
    return extend(extend({}, options), overrides);
  };

  extend = exports.extend = function(object, properties) {
    var key, val;
    for (key in properties) {
      val = properties[key];
      object[key] = val;
    }
    return object;
  };

  exports.flatten = flatten = function(array) {
    var element, flattened, _i, _len;
    flattened = [];
    for (_i = 0, _len = array.length; _i < _len; _i++) {
      element = array[_i];
      if (element instanceof Array) {
        flattened = flattened.concat(flatten(element));
      } else {
        flattened.push(element);
      }
    }
    return flattened;
  };

  exports.del = function(obj, key) {
    var val;
    val = obj[key];
    delete obj[key];
    return val;
  };

  exports.last = last = function(array, back) {
    return array[array.length - (back || 0) - 1];
  };

  exports.some = (_ref = Array.prototype.some) != null ? _ref : function(fn) {
    var e, _i, _len;
    for (_i = 0, _len = this.length; _i < _len; _i++) {
      e = this[_i];
      if (fn(e)) {
        return true;
      }
    }
    return false;
  };

  exports.invertLiterate = function(code) {
    var line, lines, maybe_code;
    maybe_code = true;
    lines = (function() {
      var _i, _len, _ref1, _results;
      _ref1 = code.split('\n');
      _results = [];
      for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
        line = _ref1[_i];
        if (maybe_code && /^([ ]{4}|[ ]{0,3}\t)/.test(line)) {
          _results.push(line);
        } else if (maybe_code = /^\s*$/.test(line)) {
          _results.push(line);
        } else {
          _results.push('# ' + line);
        }
      }
      return _results;
    })();
    return lines.join('\n');
  };

  buildLocationData = function(first, last) {
    if (!last) {
      return first;
    } else {
      return {
        first_line: first.first_line,
        first_column: first.first_column,
        last_line: last.last_line,
        last_column: last.last_column
      };
    }
  };

  exports.addLocationDataFn = function(first, last) {
    return function(obj) {
      if (((typeof obj) === 'object') && (!!obj['updateLocationDataIfMissing'])) {
        obj.updateLocationDataIfMissing(buildLocationData(first, last));
      }
      return obj;
    };
  };

  exports.locationDataToString = function(obj) {
    var locationData;
    if (("2" in obj) && ("first_line" in obj[2])) {
      locationData = obj[2];
    } else if ("first_line" in obj) {
      locationData = obj;
    }
    if (locationData) {
      return ("" + (locationData.first_line + 1) + ":" + (locationData.first_column + 1) + "-") + ("" + (locationData.last_line + 1) + ":" + (locationData.last_column + 1));
    } else {
      return "No location data";
    }
  };

  exports.baseFileName = function(file, stripExt, useWinPathSep) {
    var parts, pathSep;
    if (stripExt == null) {
      stripExt = false;
    }
    if (useWinPathSep == null) {
      useWinPathSep = false;
    }
    pathSep = useWinPathSep ? /\\|\// : /\//;
    parts = file.split(pathSep);
    file = parts[parts.length - 1];
    if (!(stripExt && file.indexOf('.') >= 0)) {
      return file;
    }
    parts = file.split('.');
    parts.pop();
    if (parts[parts.length - 1] === 'coffee' && parts.length > 1) {
      parts.pop();
    }
    return parts.join('.');
  };

  exports.isCoffee = function(file) {
    return /\.((lit)?coffee|coffee\.md)$/.test(file);
  };

  exports.isLiterate = function(file) {
    return /\.(litcoffee|coffee\.md)$/.test(file);
  };

  exports.throwSyntaxError = function(message, location) {
    var error;
    error = new SyntaxError(message);
    error.location = location;
    error.toString = syntaxErrorToString;
    error.stack = error.toString();
    throw error;
  };

  exports.updateSyntaxError = function(error, code, filename) {
    if (error.toString === syntaxErrorToString) {
      error.code || (error.code = code);
      error.filename || (error.filename = filename);
      error.stack = error.toString();
    }
    return error;
  };

  syntaxErrorToString = function() {
    var codeLine, colorize, colorsEnabled, end, filename, first_column, first_line, last_column, last_line, marker, start, _ref1, _ref2;
    if (!(this.code && this.location)) {
      return Error.prototype.toString.call(this);
    }
    _ref1 = this.location, first_line = _ref1.first_line, first_column = _ref1.first_column, last_line = _ref1.last_line, last_column = _ref1.last_column;
    if (last_line == null) {
      last_line = first_line;
    }
    if (last_column == null) {
      last_column = first_column;
    }
    filename = this.filename || '[stdin]';
    codeLine = this.code.split('\n')[first_line];
    start = first_column;
    end = first_line === last_line ? last_column + 1 : codeLine.length;
    marker = repeat(' ', start) + repeat('^', end - start);
    if (typeof process !== "undefined" && process !== null) {
      colorsEnabled = process.stdout.isTTY && !process.env.NODE_DISABLE_COLORS;
    }
    if ((_ref2 = this.colorful) != null ? _ref2 : colorsEnabled) {
      colorize = function(str) {
        return "\x1B[1;31m" + str + "\x1B[0m";
      };
      codeLine = codeLine.slice(0, start) + colorize(codeLine.slice(start, end)) + codeLine.slice(end);
      marker = colorize(marker);
    }
    return "" + filename + ":" + (first_line + 1) + ":" + (first_column + 1) + ": error: " + this.message + "\n" + codeLine + "\n" + marker;
  };

  exports.nameWhitespaceCharacter = function(string) {
    switch (string) {
      case ' ':
        return 'space';
      case '\n':
        return 'newline';
      case '\r':
        return 'carriage return';
      case '\t':
        return 'tab';
      default:
        return string;
    }
  };

}).call(this);