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'use strict'; |
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2
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3
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1 |
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var floatify = function floatify(str) { |
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4
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231 |
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var toFloatFormat = function toFloatFormat(str, ts, ds) { |
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5
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177 |
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var string = str; |
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6
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177 |
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var decimalSeparator = ds || ''; |
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7
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8
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177 |
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string = string.split(ts || '').join(''); |
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9
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177 |
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if (decimalSeparator !== '') { |
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10
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145 |
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string = string.split(decimalSeparator).join('.'); |
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11
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} |
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12
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13
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177 |
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return parseFloat(string); |
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14
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}; |
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15
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16
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231 |
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var parseParts = function parseParts(str, ele, count) { |
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124 |
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var string = str; |
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124 |
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var element = ele; |
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124 |
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var parts = string.split(element); |
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21
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124 |
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for (var i = 1; i < parts.length; i++) { |
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22
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131 |
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var left = parts[i - 1]; |
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23
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131 |
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var leftVal = parseInt(left, 10); |
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24
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25
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131 |
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if (parts[i].length === 0) { |
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8 |
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return Number.NaN; |
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} |
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28
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29
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123 |
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if (parts[i].length === 3) { |
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30
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31 |
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if (left.length > 3 && parts.length - 1 !== i) { |
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31
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2 |
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return Number.NaN; |
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32
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} |
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33
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34
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29 |
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if ( |
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35
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(leftVal === 0 || isNaN(leftVal) || left.length > 3) |
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36
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&& parts.length - 1 === i |
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37
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) { |
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38
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13 |
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return toFloatFormat(string, '', element); |
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39
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} |
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40
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41
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16 |
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continue; |
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42
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} |
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43
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44
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92 |
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if (i < parts.length - 1) { |
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45
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// violation in midPart -> NaN |
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46
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12 |
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return Number.NaN; |
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47
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} |
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48
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49
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// violation in end -> Could be decimalSeparator |
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50
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80 |
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if (count === 1) { |
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51
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76 |
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return toFloatFormat(string, '', element); |
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52
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} |
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53
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54
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4 |
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return Number.NaN; |
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55
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} |
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56
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57
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9 |
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return toFloatFormat(string, element, ''); |
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58
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}; |
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59
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60
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231 |
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var parse = function parse(str) { |
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61
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231 |
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var string = str; |
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62
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var spacePos; |
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63
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var spaceSplit; |
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64
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var spaceCount; |
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65
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var dotPos; |
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66
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var commaPos; |
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67
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var lDotPos; |
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68
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var lCommaPos; |
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69
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var dotCount; |
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70
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var commaCount; |
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71
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72
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231 |
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string = string.trim(); |
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73
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74
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// 1st dot position |
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75
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231 |
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dotPos = string.indexOf('.'); |
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76
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// 1st comma position |
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77
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231 |
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commaPos = string.indexOf(','); |
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78
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// 1st space position |
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79
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231 |
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spacePos = string.indexOf(' '); |
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80
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81
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231 |
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if (dotPos + commaPos + spacePos === -3) { |
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// life is good, no separators |
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83
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18 |
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return toFloatFormat(string); |
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84
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} |
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85
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86
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213 |
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spaceSplit = string.split(' '); |
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87
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213 |
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spaceCount = spaceSplit.length - 1; |
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88
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213 |
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dotCount = string.split('.').length - 1; |
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89
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213 |
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commaCount = string.split(',').length - 1; |
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90
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91
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// only combination of 2 separators allowed |
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92
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213 |
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if (dotCount > 0 && commaCount > 0 && spaceCount > 0) { |
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93
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1 |
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return Number.NaN; |
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94
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} |
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95
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96
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// if there is any separator (space, comma, dot) found more than once, |
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97
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// all other must not be found more than once |
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98
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212 |
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if (dotCount > 1 && (commaCount > 1 || spaceCount > 1)) { |
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99
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4 |
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return Number.NaN; |
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100
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} |
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101
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208 |
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if (commaCount > 1 && (dotCount > 1 || spaceCount > 1)) { |
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102
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1 |
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return Number.NaN; |
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103
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} |
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104
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207 |
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if (spaceCount > 1 && (dotCount > 1 || commaCount > 1)) { |
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105
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return Number.NaN; |
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106
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} |
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107
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108
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207 |
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if (spaceCount > 0) { |
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109
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72 |
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if (!string.match(/^(\d{1,3})?(\s\d{3})*([,\.]\d+)?$/)) { |
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110
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17 |
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return Number.NaN; |
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111
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} |
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112
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55 |
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string = spaceSplit.join(''); |
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113
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} |
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114
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115
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190 |
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if (dotPos !== -1 && commaPos !== -1) { |
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116
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// format is using dot and comma |
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117
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118
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// last dot position |
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119
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61 |
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lDotPos = string.lastIndexOf('.'); |
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120
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// last comma position |
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121
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61 |
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lCommaPos = string.lastIndexOf(','); |
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122
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123
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// order of 1st dot -> comma must be same as last dot -> comma |
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124
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// 123.123.123,123 -> ok 123.123,123.123 -> not ok |
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125
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61 |
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if (Math.sign(dotPos - commaPos) !== Math.sign(lDotPos - lCommaPos)) { |
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126
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3 |
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return Number.NaN; |
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127
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} |
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128
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129
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// check positions to guess the thousands separator |
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130
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58 |
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if (dotPos > commaPos) { |
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131
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51 |
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if (dotCount > 1) { |
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132
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1 |
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return Number.NaN; |
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133
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} |
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134
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// best guess: . is thousands separator and , is decimal point |
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135
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50 |
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return toFloatFormat(string, ',', '.'); |
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136
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} |
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137
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138
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7 |
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if (commaCount > 1) { |
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139
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1 |
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return Number.NaN; |
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140
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} |
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141
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// best guess: , is thousands separator and . is decimal point |
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142
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6 |
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return toFloatFormat(string, '.', ','); |
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143
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} |
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144
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145
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129 |
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if (dotPos !== -1) { |
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146
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// only dot(s) in format |
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147
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85 |
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return parseParts(string, '.', dotCount); |
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148
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} |
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149
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150
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44 |
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if (commaPos !== -1) { |
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151
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// only comma(s) in format |
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152
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39 |
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return parseParts(string, ',', commaCount); |
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153
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} |
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154
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155
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5 |
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return toFloatFormat(string); |
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156
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}; |
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157
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158
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231 |
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return parse(str); |
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159
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}; |
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160
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161
|
2 |
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if (typeof exports !== 'undefined') { |
|
162
|
4 |
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if (typeof module !== 'undefined' && module.exports) { |
|
163
|
1 |
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exports = module.exports = floatify; |
|
164
|
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} |
|
165
|
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} |
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166
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pocketrocket /
floatify
