| 1 | var Errors = function() {
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| 2 | this.errors = {};
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| 3 | };
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| 4 |
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| 5 | Errors.prototype = {
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| 6 | constructor: Errors,
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| 7 |
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| 8 | /**
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| 9 | * Add new error message for given attribute
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| 10 | *
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| 11 | * @param {string} attribute
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| 12 | * @param {string} message
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| 13 | * @return {void}
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| 14 | */
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| 15 | add: function(attribute, message) {
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| 16 | if (!this.has(attribute)) {
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| 17 | this.errors[attribute] = [];
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| 18 | }
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| 19 |
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| 20 | if (this.errors[attribute].indexOf(message) === -1) {
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| 21 | this.errors[attribute].push(message);
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| 22 | }
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| 23 | },
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| 24 |
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| 25 | /**
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| 26 | * Returns an array of error messages for an attribute, or an empty array
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| 27 | *
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| 28 | * @param {string} attribute A key in the data object being validated
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| 29 | * @return {array} An array of error messages
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| 30 | */
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| 31 | get: function(attribute) {
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| 32 | if (this.has(attribute)) {
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| 33 | return this.errors[attribute];
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| 34 | }
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| 35 |
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| 36 | return [];
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| 37 | },
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| 38 |
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| 39 | /**
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| 40 | * Returns the first error message for an attribute, false otherwise
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| 41 | *
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| 42 | * @param {string} attribute A key in the data object being validated
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| 43 | * @return {string|false} First error message or false
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| 44 | */
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| 45 | first: function(attribute) {
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| 46 | if (this.has(attribute)) {
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| 47 | return this.errors[attribute][0];
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| 48 | }
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| 49 |
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| 50 | return false;
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| 51 | },
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| 52 |
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| 53 | /**
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| 54 | * Get all error messages from all failing attributes
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| 55 | *
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| 56 | * @return {Object} Failed attribute names for keys and an array of messages for values
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| 57 | */
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| 58 | all: function() {
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| 59 | return this.errors;
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| 60 | },
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| 61 |
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| 62 | /**
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| 63 | * Determine if there are any error messages for an attribute
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| 64 | *
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| 65 | * @param {string} attribute A key in the data object being validated
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| 66 | * @return {boolean}
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| 67 | */
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| 68 | has: function(attribute) {
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| 69 | if (this.errors.hasOwnProperty(attribute)) {
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| 70 | return true;
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| 71 | }
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| 72 |
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| 73 | return false;
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| 74 | }
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| 75 | };
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| 76 |
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| 77 | module.exports = Errors;
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