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23 lines
843 B
JavaScript
23 lines
843 B
JavaScript
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// general helpers, not related to the DOM and usable in different contexts
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// turn a list of key=value pairs (like tuples) into data that can be sent via AJAX
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// taken from https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Sending_forms_through_JavaScript
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// but requiring an array as input rather than a hash, to preserve order of pairs
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function getFormDataFromPairs (pairs) {
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const urlEncodedDataPairs = [];
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pairs.forEach(pair => {
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urlEncodedDataPairs.push(`${window.encodeURIComponent(pair[0])}=${window.encodeURIComponent(pair[1])}`);
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});
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// Combine the pairs into a single string and replace all %-encoded spaces to
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// the '+' character; matches the behaviour of browser form submissions.
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return urlEncodedDataPairs.join('&').replace(/%20/g, '+');
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};
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exports.getFormDataFromPairs = getFormDataFromPairs;
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