playwright-bdd/dist/ai/snippet.js

BDD Testing with Playwright runner

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCodeSnippet = getCodeSnippet;
const node_fs_1 = __importDefault(require("node:fs"));
const node_path_1 = __importDefault(require("node:path"));
const stripAnsiEscapes_1 = require("../utils/stripAnsiEscapes");
const stackTrace_1 = require("../playwright/stackTrace");
const filesCache = new Map();
/**
 * Get code snippet by the error stack.
 * See: https://github.com/microsoft/playwright/blob/release-1.49/packages/playwright/src/reporters/internalReporter.ts#L115
 *
 * Some downside here is that it's done in a test worker, not in the reporter process.
 */
function getCodeSnippet(error) {
    const location = getErrorLocation(error);
    if (!location?.file || !location.line)
        return;
    const source = getFileContent(location.file);
    const lines = source.split('\n');
    const startLine = Math.max(0, location.line - 3);
    const snippetLines = lines.slice(startLine, location.line + 4);
    return trimEmptyLines(snippetLines).join('\n');
}
/**
 * Extracts location of the first user's file in error stack trace.
 * See: https://github.com/microsoft/playwright/blob/release-1.49/packages/playwright/src/reporters/base.ts#L466
 */
// eslint-disable-next-line visual/complexity
function getErrorLocation(error) {
    const lines = (0, stripAnsiEscapes_1.stripAnsiEscapes)(error.stack || '').split('\n');
    let firstStackLine = lines.findIndex((line) => line.startsWith('    at '));
    if (firstStackLine === -1)
        firstStackLine = lines.length;
    const stackLines = lines.slice(firstStackLine);
    for (const line of stackLines) {
        const frame = (0, stackTrace_1.parseStackFrame)(line, node_path_1.default.sep, false);
        if (!frame || !frame.file || belongsToNodeModules(frame.file))
            continue;
        return { file: frame.file, column: frame.column || 0, line: frame.line || 0 };
    }
}
function getFileContent(file) {
    let content = filesCache.get(file);
    if (content === undefined) {
        content = readFileSyncSafe(file);
        filesCache.set(file, content);
    }
    return content;
}
function readFileSyncSafe(file) {
    try {
        return node_fs_1.default.readFileSync(file, 'utf8');
    }
    catch {
        return '';
    }
}
function belongsToNodeModules(file) {
    return file.includes(`${node_path_1.default.sep}node_modules${node_path_1.default.sep}`);
}
function trimEmptyLines(lines) {
    let start = 0;
    let end = lines.length - 1;
    while (start <= end && !lines[start].trim())
        start++;
    while (end >= start && !lines[end].trim())
        end--;
    return lines.slice(start, end + 1);
}
//# sourceMappingURL=snippet.js.map