%PDF-
%PDF-
Mini Shell
Mini Shell
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
var patternParts = {
value: '[-+]?(?:Infinity|[[0-9]*\\.?\\d*(?:[eE][-+]?\\d+)?)',
leftBrace: '[\\(\\]\\[]',
delimeter: ',',
rightBrace: '[\\)\\]\\[]',
};
var PATTERN = new RegExp("(" + patternParts.leftBrace + ")" +
("(" + patternParts.value + ")?") +
("(" + patternParts.delimeter + ")?") +
("(" + patternParts.value + ")?") +
("(" + patternParts.rightBrace + ")"));
function execPattern(str) {
var match = PATTERN.exec(str);
if (!match) {
return null;
}
var _ = match[0], leftBrace = match[1], fromValue = match[2], delimeter = match[3], toValue = match[4], rightBrace = match[5];
return {
leftBrace: leftBrace,
fromValue: fromValue,
delimeter: delimeter,
toValue: toValue,
rightBrace: rightBrace,
};
}
function parse(str) {
var match = execPattern(str);
if (!match) {
return null;
}
return {
from: {
value: match.fromValue !== undefined ?
+match.fromValue :
-Infinity,
included: match.leftBrace === '['
},
to: {
value: match.toValue !== undefined ?
+match.toValue :
(match.delimeter ?
+Infinity :
match.fromValue !== undefined ?
+match.fromValue :
NaN),
included: match.rightBrace === ']'
}
};
}
function check(interval) {
if (interval.from.value === interval.to.value) {
return interval.from.included && interval.to.included;
}
return Math.min(interval.from.value, interval.to.value) === interval.from.value;
}
function entry(str) {
var interval = parse(str);
if (!interval || !check(interval)) {
return null;
}
return interval;
}
exports.default = entry;
Zerion Mini Shell 1.0