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26 lines
717 B
JavaScript
26 lines
717 B
JavaScript
"use strict";
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const { validateArguments, required } = require("@validatem/core");
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const isString = require("@validatem/is-string");
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const isRegularExpression = require("@validatem/is-regular-expression");
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module.exports = function matchOrError(regex, string) {
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validateArguments(arguments, [
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[ "regex", required, isRegularExpression ],
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[ "string", required, isString ]
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]);
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let match = regex.exec(string);
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if (match == null) {
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throw new Error(`Regular expression ${regex.toString()} failed to match on string: ${string}`);
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} else {
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// NOTE: Follows `execall` format: https://www.npmjs.com/package/execall
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return {
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match: match[0],
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subMatches: match.slice(1),
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index: match.index
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};
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}
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};
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