91 lines
2.2 KiB
JavaScript
91 lines
2.2 KiB
JavaScript
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'use strict';
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var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d:\d\d)?$/i;
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var DATE_TIME_SEPARATOR = /t|\s/i;
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var COMPARE_FORMATS = {
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date: compareDate,
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time: compareTime,
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'date-time': compareDateTime
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};
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module.exports = function (minMax) {
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var keyword = 'format' + minMax;
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return function defFunc(ajv) {
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defFunc.definition = {
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type: 'string',
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inline: require('./dotjs/_formatLimit'),
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statements: true,
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errors: 'full',
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metaSchema: {
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anyOf: [
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{ type: 'string' },
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{
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type: 'object',
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required: [ '$data' ],
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properties: {
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$data: {
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type: 'string',
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anyOf: [
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{ format: 'relative-json-pointer' },
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{ format: 'json-pointer' }
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]
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}
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},
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additionalProperties: false
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}
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]
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}
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};
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ajv.addKeyword(keyword, defFunc.definition);
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ajv.addKeyword('formatExclusive' + minMax);
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extendFormats(ajv);
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return ajv;
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};
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};
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function extendFormats(ajv) {
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var formats = ajv._formats;
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for (var name in COMPARE_FORMATS) {
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var format = formats[name];
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// the last condition is needed if it's RegExp from another window
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if (typeof format != 'object' || format instanceof RegExp || !format.validate)
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format = formats[name] = { validate: format };
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if (!format.compare)
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format.compare = COMPARE_FORMATS[name];
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}
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}
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function compareDate(d1, d2) {
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if (!(d1 && d2)) return;
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if (d1 > d2) return 1;
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if (d1 < d2) return -1;
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if (d1 === d2) return 0;
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}
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function compareTime(t1, t2) {
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if (!(t1 && t2)) return;
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t1 = t1.match(TIME);
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t2 = t2.match(TIME);
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if (!(t1 && t2)) return;
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t1 = t1[1] + t1[2] + t1[3] + (t1[4]||'');
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t2 = t2[1] + t2[2] + t2[3] + (t2[4]||'');
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if (t1 > t2) return 1;
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if (t1 < t2) return -1;
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if (t1 === t2) return 0;
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}
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function compareDateTime(dt1, dt2) {
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if (!(dt1 && dt2)) return;
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dt1 = dt1.split(DATE_TIME_SEPARATOR);
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dt2 = dt2.split(DATE_TIME_SEPARATOR);
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var res = compareDate(dt1[0], dt2[0]);
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if (res === undefined) return;
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return res || compareTime(dt1[1], dt2[1]);
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}
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