| 1 | 'use strict';
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| 2 | const URL = require('url').URL;
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| 3 | const utils = require('handlebars-utils');
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| 4 | const common = require('./../lib/common');
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| 5 | const SafeString = require('handlebars').SafeString;
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| 6 |
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| 7 | function helper(paper) {
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| 8 | paper.handlebars.registerHelper('setURLQueryParam', function(string, key, value) {
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| 9 | string = common.unwrapIfSafeString(string);
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| 10 | key = common.unwrapIfSafeString(key);
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| 11 | value = common.unwrapIfSafeString(value);
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| 12 | if (!utils.isString(string) || !common.isValidURL(string)){
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| 13 | throw new TypeError("Invalid URL passed to setURLQueryParam");
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| 14 | } else if (!utils.isString(key)){
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| 15 | throw new TypeError("Invalid query parameter key passed to setURLQueryParam");
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| 16 | } else if(!utils.isString(value)) {
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| 17 | throw new TypeError("Invalid query parameter value passed to setURLQueryParam");
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| 18 | }
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| 19 |
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| 20 | const url = new URL(string);
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| 21 |
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| 22 | url.searchParams.set(encodeURIComponent(key), encodeURIComponent(value));
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| 23 |
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| 24 | return new SafeString(url.toString());
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| 25 | });
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| 26 | }
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| 27 |
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| 28 | module.exports = helper;
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