You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
840 B
29 lines
840 B
/** Returns a regular expression quantifier with an upper and lower limit. */
|
|
export function limit(lower, upper) {
|
|
if (lower < 0 || upper <= 0 || upper < lower) {
|
|
throw new TypeError();
|
|
}
|
|
|
|
return "{".concat(lower, ",").concat(upper, "}");
|
|
}
|
|
/**
|
|
* Trims away any characters after the first match of {@code pattern} in {@code candidate},
|
|
* returning the trimmed version.
|
|
*/
|
|
|
|
export function trimAfterFirstMatch(regexp, string) {
|
|
var index = string.search(regexp);
|
|
|
|
if (index >= 0) {
|
|
return string.slice(0, index);
|
|
}
|
|
|
|
return string;
|
|
}
|
|
export function startsWith(string, substring) {
|
|
return string.indexOf(substring) === 0;
|
|
}
|
|
export function endsWith(string, substring) {
|
|
return string.indexOf(substring, string.length - substring.length) === string.length - substring.length;
|
|
}
|
|
//# sourceMappingURL=util.js.map
|