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42 lines
1.0 KiB
42 lines
1.0 KiB
3 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.endsWith = endsWith;
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exports.limit = limit;
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exports.startsWith = startsWith;
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exports.trimAfterFirstMatch = trimAfterFirstMatch;
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/** Returns a regular expression quantifier with an upper and lower limit. */
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function limit(lower, upper) {
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if (lower < 0 || upper <= 0 || upper < lower) {
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throw new TypeError();
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}
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return "{".concat(lower, ",").concat(upper, "}");
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}
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/**
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* Trims away any characters after the first match of {@code pattern} in {@code candidate},
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* returning the trimmed version.
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*/
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function trimAfterFirstMatch(regexp, string) {
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var index = string.search(regexp);
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if (index >= 0) {
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return string.slice(0, index);
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}
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return string;
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}
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function startsWith(string, substring) {
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return string.indexOf(substring) === 0;
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}
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function endsWith(string, substring) {
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return string.indexOf(substring, string.length - substring.length) === string.length - substring.length;
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}
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//# sourceMappingURL=util.js.map
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