wct-mocha
Version:
Client-side library for testing web-components with Mocha.
91 lines • 2.88 kB
JavaScript
;
/**
* @license
* Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
*
* This code may only be used under the BSD style license found at
* polymer.github.io/LICENSE.txt The complete set of authors may be found at
* polymer.github.io/AUTHORS.txt The complete set of contributors may be found
* at polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as part of
* the polymer project is also subject to an additional IP rights grant found at
* polymer.github.io/PATENTS.txt
*/
Object.defineProperty(exports, "__esModule", { value: true });
function parse(stack) {
var rawLines = stack.split('\n');
var stackyLines = compact(rawLines.map(parseStackyLine));
if (stackyLines.length === rawLines.length) {
return stackyLines;
}
var v8Lines = compact(rawLines.map(parseV8Line));
if (v8Lines.length > 0) {
return v8Lines;
}
var geckoLines = compact(rawLines.map(parseGeckoLine));
if (geckoLines.length > 0) {
return geckoLines;
}
throw new Error('Unknown stack format: ' + stack);
}
exports.parse = parse;
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/Stack
var GECKO_LINE = /^(?:([^@]*)@)?(.*?):(\d+)(?::(\d+))?$/;
function parseGeckoLine(line) {
var match = line.match(GECKO_LINE);
if (!match) {
return null;
}
return {
method: match[1] || '',
location: match[2] || '',
line: parseInt(match[3]) || 0,
column: parseInt(match[4]) || 0,
};
}
exports.parseGeckoLine = parseGeckoLine;
// https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
var V8_OUTER1 = /^\s*(eval )?at (.*) \((.*)\)$/;
var V8_OUTER2 = /^\s*at()() (\S+)$/;
var V8_INNER = /^\(?([^\(]+):(\d+):(\d+)\)?$/;
function parseV8Line(line) {
var outer = line.match(V8_OUTER1) || line.match(V8_OUTER2);
if (!outer) {
return null;
}
var inner = outer[3].match(V8_INNER);
if (!inner) {
return null;
}
var method = outer[2] || '';
if (outer[1]) {
method = 'eval at ' + method;
}
return {
method: method,
location: inner[1] || '',
line: parseInt(inner[2]) || 0,
column: parseInt(inner[3]) || 0,
};
}
exports.parseV8Line = parseV8Line;
var STACKY_LINE = /^\s*(.+) at (.+):(\d+):(\d+)$/;
function parseStackyLine(line) {
var match = line.match(STACKY_LINE);
if (!match) {
return null;
}
return {
method: match[1] || '',
location: match[2] || '',
line: parseInt(match[3]) || 0,
column: parseInt(match[4]) || 0,
};
}
exports.parseStackyLine = parseStackyLine;
// Helpers
function compact(array) {
var result = [];
array.forEach(function (value) { return value && result.push(value); });
return result;
}
//# sourceMappingURL=parsing.js.map