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32 lines
728 B
JavaScript
32 lines
728 B
JavaScript
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/**
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* Code functions.
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*
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* @author n1474335 [n1474335@gmail.com]
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*
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* @copyright Crown Copyright 2018
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* @license Apache-2.0
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*
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*/
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/**
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* This tries to rename variable names in a code snippet according to a function.
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*
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* @param {string} input
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* @param {function} replacer - this function will be fed the token which should be renamed.
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* @returns {string}
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*/
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export function replaceVariableNames(input, replacer) {
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const tokenRegex = /\\"|"(?:\\"|[^"])*"|(\b[a-z0-9\-_]+\b)/ig;
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return input.replace(tokenRegex, (...args) => {
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const match = args[0],
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quotes = args[1];
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if (!quotes) {
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return match;
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} else {
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return replacer(match);
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}
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});
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}
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