@signatu/common-lib/dist/lib/braces.js

Common Javascript/Typescript library for Signatu

"use strict";
// Adapted from https://gist.github.com/franvarney/22776beda2187f670a50
var __values = (this && this.__values) || function (o) {
    var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
    if (m) return m.call(o);
    return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.matchingBraces = function (braces) {
    var e_1, _a;
    if (!braces) {
        return true;
    }
    if (typeof braces !== 'string') {
        throw new Error("matchingBraces: argument must be a string");
    }
    if (braces.length === 1) {
        return false;
    }
    var leftBraces = ['{', '(', '['];
    var rightBraces = ['}', ')', ']'];
    var leftMatches = [];
    try {
        for (var braces_1 = __values(braces), braces_1_1 = braces_1.next(); !braces_1_1.done; braces_1_1 = braces_1.next()) {
            var char = braces_1_1.value;
            if (leftBraces.includes(char)) {
                leftMatches.push(char);
            }
            if (rightBraces.includes(char)) {
                if (leftMatches.length === 0) {
                    return false;
                }
                var last = leftMatches[leftMatches.length - 1];
                if (leftBraces.indexOf(last) === rightBraces.indexOf(char)) {
                    leftMatches.pop();
                }
                else {
                    return false;
                }
            }
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (braces_1_1 && !braces_1_1.done && (_a = braces_1.return)) _a.call(braces_1);
        }
        finally { if (e_1) throw e_1.error; }
    }
    return leftMatches.length === 0;
};
//# sourceMappingURL=braces.js.map