55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
/**
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* Return true, if the value is a valid vehicle identification number (VIN).
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*
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* Works with all kind of text inputs.
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*
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* @example <input type="text" size="20" name="VehicleID" class="{required:true,vinUS:true}" />
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* @desc Declares a required input element whose value must be a valid vehicle identification number.
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*
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* @name $.validator.methods.vinUS
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* @type Boolean
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* @cat Plugins/Validate/Methods
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*/
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$.validator.addMethod("vinUS", function(v) {
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if (v.length !== 17) {
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return false;
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}
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var LL = [ "A", "B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", "N", "P", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" ],
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VL = [ 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 7, 9, 2, 3, 4, 5, 6, 7, 8, 9 ],
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FL = [ 8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2 ],
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rs = 0,
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i, n, d, f, cd, cdv;
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for (i = 0; i < 17; i++) {
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f = FL[i];
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d = v.slice(i, i + 1);
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if (i === 8) {
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cdv = d;
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}
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if (!isNaN(d)) {
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d *= f;
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} else {
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for (n = 0; n < LL.length; n++) {
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if (d.toUpperCase() === LL[n]) {
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d = VL[n];
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d *= f;
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if (isNaN(cdv) && n === 8) {
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cdv = LL[n];
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}
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break;
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}
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}
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}
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rs += d;
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}
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cd = rs % 11;
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if (cd === 10) {
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cd = "X";
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}
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if (cd === cdv) {
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return true;
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}
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return false;
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}, "The specified vehicle identification number (VIN) is invalid.");
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