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42 |
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43 | var assert = require('assert');
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44 |
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45 | module.exports = function() {};
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46 |
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47 | module.exports.prototype = {
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48 | configure: function(options) {
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49 | assert(
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50 | typeof options === 'object',
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51 | this.getOptionName() + ' option must be an object'
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52 | );
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53 |
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54 | if ('beforeStar' in options) {
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55 | assert(
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56 | options.beforeStar === true,
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57 | this.getOptionName() + '.beforeStar ' +
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58 | 'property requires true value or should be removed'
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59 | );
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60 | }
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61 | if ('afterStar' in options) {
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62 | assert(
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63 | options.afterStar === true,
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64 | this.getOptionName() + '.afterStar ' +
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65 | 'property requires true value or should be removed'
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66 | );
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67 | }
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68 |
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69 | assert(
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70 | options.beforeStar || options.afterStar,
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71 | this.getOptionName() + ' must have beforeStar or afterStar property'
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72 | );
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73 |
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74 | this._beforeStar = options.beforeStar;
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75 | this._afterStar = options.afterStar;
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76 | },
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77 |
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78 | getOptionName: function() {
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79 | return 'disallowSpacesInGenerator';
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80 | },
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81 |
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82 | check: function(file, errors) {
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83 | var beforeStar = this._beforeStar;
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84 | var afterStar = this._afterStar;
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85 |
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86 | file.iterateNodesByType(['FunctionDeclaration', 'FunctionExpression'], function(node) {
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87 | if (!node.generator) {
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88 | return;
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89 | }
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90 |
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91 | var parent = node.parentElement;
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92 | var shorthand = node.shorthand;
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93 |
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94 |
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95 | if (parent.method || parent.type === 'MethodDefinition') {
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96 | node = parent.key;
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97 | }
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98 |
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99 | var currentToken = file.getFirstNodeToken(node);
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100 |
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101 | if (node.async && currentToken.value === 'async') {
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102 | currentToken = file.getNextToken(currentToken);
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103 | }
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104 |
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105 | if (beforeStar && !shorthand) {
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106 |
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107 | errors.assert.noWhitespaceBetween({
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108 | token: currentToken,
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109 | nextToken: file.getNextToken(currentToken),
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110 | message: 'Illegal space before star'
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111 | });
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112 | }
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113 |
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114 | if (afterStar) {
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115 | if (shorthand) {
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116 | currentToken = file.getPrevToken(currentToken);
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117 | } else {
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118 |
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119 | currentToken = file.getNextToken(currentToken);
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120 | }
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121 |
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122 | errors.assert.noWhitespaceBetween({
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123 | token: currentToken,
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124 | nextToken: file.getNextToken(currentToken),
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125 | message: 'Illegal space after star'
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126 | });
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127 | }
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128 | });
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129 | }
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130 | };
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