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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.flattenArray = exports.merge = exports.copyOptions = exports.defaults = exports.clone = exports.copyArray = exports.getLocation = void 0;
var tslib_1 = require("tslib");
/* jshint proto: true */
var Constants = tslib_1.__importStar(require("./constants"));
var copy_anything_1 = require("copy-anything");
function getLocation(index, inputStream) {
var n = index + 1;
var line = null;
var column = -1;
while (--n >= 0 && inputStream.charAt(n) !== '\n') {
column++;
}
if (typeof index === 'number') {
line = (inputStream.slice(0, index).match(/\n/g) || '').length;
}
return {
line: line,
column: column
};
}
exports.getLocation = getLocation;
function copyArray(arr) {
var i;
var length = arr.length;
var copy = new Array(length);
for (i = 0; i < length; i++) {
copy[i] = arr[i];
}
return copy;
}
exports.copyArray = copyArray;
function clone(obj) {
var cloned = {};
for (var prop in obj) {
if (obj.hasOwnProperty(prop)) {
cloned[prop] = obj[prop];
}
}
return cloned;
}
exports.clone = clone;
function defaults(obj1, obj2) {
var newObj = obj2 || {};
if (!obj2._defaults) {
newObj = {};
var defaults_1 = copy_anything_1.copy(obj1);
newObj._defaults = defaults_1;
var cloned = obj2 ? copy_anything_1.copy(obj2) : {};
Object.assign(newObj, defaults_1, cloned);
}
return newObj;
}
exports.defaults = defaults;
function copyOptions(obj1, obj2) {
if (obj2 && obj2._defaults) {
return obj2;
}
var opts = defaults(obj1, obj2);
if (opts.strictMath) {
opts.math = Constants.Math.PARENS;
}
// Back compat with changed relativeUrls option
if (opts.relativeUrls) {
opts.rewriteUrls = Constants.RewriteUrls.ALL;
}
if (typeof opts.math === 'string') {
switch (opts.math.toLowerCase()) {
case 'always':
opts.math = Constants.Math.ALWAYS;
break;
case 'parens-division':
opts.math = Constants.Math.PARENS_DIVISION;
break;
case 'strict':
case 'parens':
opts.math = Constants.Math.PARENS;
break;
default:
opts.math = Constants.Math.PARENS;
}
}
if (typeof opts.rewriteUrls === 'string') {
switch (opts.rewriteUrls.toLowerCase()) {
case 'off':
opts.rewriteUrls = Constants.RewriteUrls.OFF;
break;
case 'local':
opts.rewriteUrls = Constants.RewriteUrls.LOCAL;
break;
case 'all':
opts.rewriteUrls = Constants.RewriteUrls.ALL;
break;
}
}
return opts;
}
exports.copyOptions = copyOptions;
function merge(obj1, obj2) {
for (var prop in obj2) {
if (obj2.hasOwnProperty(prop)) {
obj1[prop] = obj2[prop];
}
}
return obj1;
}
exports.merge = merge;
function flattenArray(arr, result) {
if (result === void 0) { result = []; }
for (var i = 0, length_1 = arr.length; i < length_1; i++) {
var value = arr[i];
if (Array.isArray(value)) {
flattenArray(value, result);
}
else {
if (value !== undefined) {
result.push(value);
}
}
}
return result;
}
exports.flattenArray = flattenArray;
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