60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
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// @ts-check
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/**
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* Convert Camel Joined Text to Camel Spaced Text
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* ==============================================================================
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* @description this function takes a camel cased text without spaces, and returns
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* a camel-case-spaced text
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*
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* @param {string} text - text string without spaces
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*
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* @returns {string | null}
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*/
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module.exports = function camelJoinedtoCamelSpace(text) {
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if (!text?.match(/./)) {
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return "";
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}
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if (text?.match(/ /)) {
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return text;
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}
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if (text) {
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let textArray = text.split("");
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let capIndexes = [];
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for (let i = 0; i < textArray.length; i++) {
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const char = textArray[i];
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if (i === 0) continue;
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if (char.match(/[A-Z]/)) {
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capIndexes.push(i);
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}
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}
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let textChunks = [
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`${textArray[0].toUpperCase()}${text.substring(1, capIndexes[0])}`,
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];
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for (let j = 0; j < capIndexes.length; j++) {
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const capIndex = capIndexes[j];
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if (capIndex === 0) continue;
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const startIndex = capIndex + 1;
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const endIndex = capIndexes[j + 1];
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textChunks.push(
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`${textArray[capIndex].toUpperCase()}${text.substring(
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startIndex,
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endIndex
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)}`
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);
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}
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return textChunks.join(" ");
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} else {
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return null;
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}
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};
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