@opra/common/cjs/helpers/get-stack-filename.js

Opra common package

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getStackFileName = getStackFileName;
exports.getErrorStack = getErrorStack;
const PATH_PATTERN = /^(?:file:\/\/)?(.+)$/;
function getStackFileName(position = 1) {
    if (position >= Error.stackTraceLimit) {
        throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' +
            position +
            '` and Error.stackTraceLimit was: `' +
            Error.stackTraceLimit +
            '`');
    }
    const oldPrepareStackTrace = Error.prepareStackTrace;
    Error.prepareStackTrace = (_, stack) => stack;
    const stack = new Error().stack;
    Error.prepareStackTrace = oldPrepareStackTrace;
    if (stack !== null && typeof stack === 'object') {
        // stack[0] holds this file
        // stack[1] holds where this function was called
        const s = stack[position]
            ? stack[position].getFileName()
            : undefined;
        const m = s ? PATH_PATTERN.exec(s) : undefined;
        return m ? m[1] : '';
    }
    return '';
}
function getErrorStack(position = 1) {
    if (position >= Error.stackTraceLimit) {
        throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' +
            position +
            '` and Error.stackTraceLimit was: `' +
            Error.stackTraceLimit +
            '`');
    }
    const oldPrepareStackTrace = Error.prepareStackTrace;
    Error.prepareStackTrace = (_, stack) => stack;
    const stack = new Error().stack;
    Error.prepareStackTrace = oldPrepareStackTrace;
    if (stack !== null && typeof stack === 'object') {
        // stack[0] holds this file
        // stack[1] holds where this function was called
        const s = stack[position]
            ? stack[position].getFileName()
            : undefined;
        const m = s ? PATH_PATTERN.exec(s) : undefined;
        return m ? m[1] : '';
    }
    return '';
}