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var OverpassLayer = require('overpass-layer') var tagLang = null
OverpassLayer.twig.extendFunction('keyTrans', function () { return tagTranslationsTrans.apply(this, arguments) }) OverpassLayer.twig.extendFunction('tagTrans', function () { return tagTranslationsTrans.apply(this, arguments) }) OverpassLayer.twig.extendFunction('tagTransList', function () { return tagTranslationsTransList.apply(this, arguments) }) OverpassLayer.twig.extendFunction('localizedTag', function (tags, id) { if (tagLang && id + ':' + tagLang in tags) { return tags[id + ':' + tagLang] }
return tags[id] }) OverpassLayer.twig.extendFunction('trans', function () { return lang.apply(this, arguments) })
function tagTranslationsTrans () { var tag = arguments[0] var value var count if (arguments.length > 1) { value = typeof arguments[1] === 'undefined' ? null : arguments[1] } if (arguments.length > 2) { count = arguments[2] }
if (typeof value === 'undefined') { return lang('tag:' + tag, count) } else { return lang('tag:' + tag + '=' + value, count) } }
function tagTranslationsTransList (key, values) { if (typeof values === 'undefined') { return null }
values = values.split(';')
values = values.map(function (key, value) { return tagTranslationsTrans(key, value.trim()) }.bind(this, key))
if (values.length > 1) { return values.slice(0, -1).join(', ') + ' and ' + values.slice(-1)[0] }
return values[0] }
module.exports = { trans: tagTranslationsTrans, setTagLanguage: function (lang) { tagLang = lang } }
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