@evojs/callsite/index.js

Nodejs callsite loader

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Callsite = void 0;
var source_map_support_1 = require("source-map-support");
(0, source_map_support_1.install)();
var INTERNAL_CALLSITES_SHIFT = 2;
var NATIVE_PREPARE_STACK_TRACE = Error.prepareStackTrace;
var OVERRIDED_PREPARE_STACK_TRACE = function (err, callsites) { return callsites; };
var Callsite = /** @class */ (function () {
	function Callsite(nodeCallsite) {
		var _a, _b, _c, _d, _e, _f;
		this.source = (_a = nodeCallsite.getFileName()) !== null && _a !== void 0 ? _a : undefined;
		this.line = (_b = nodeCallsite.getLineNumber()) !== null && _b !== void 0 ? _b : undefined;
		this.column = (_c = nodeCallsite.getColumnNumber()) !== null && _c !== void 0 ? _c : undefined;
		this.typeName = (_d = nodeCallsite.getTypeName()) !== null && _d !== void 0 ? _d : undefined;
		this.functionName = (_f = (_e = nodeCallsite.getMethodName()) !== null && _e !== void 0 ? _e : nodeCallsite.getFunctionName()) !== null && _f !== void 0 ? _f : undefined;
	}
	/**
	 * Get callsites
	 */
	Callsite.get = function (depth, count) {
		if (depth === void 0) { depth = 0; }
		if (count === void 0) { count = this.DEFAULT_CALLSITES_COUNT; }
		var nodeCallsites = this._getNodeCallsites(depth + count);
		var callsites = nodeCallsites.slice(depth).map(function (cs) { return new Callsite(cs); });
		return callsites;
	};
	Callsite._getNodeCallsites = function (limit) {
		var prevStackTraceLimit = Error.stackTraceLimit;
		Error.stackTraceLimit = INTERNAL_CALLSITES_SHIFT + limit;
		Error.prepareStackTrace = OVERRIDED_PREPARE_STACK_TRACE;
		var nodeCallsites = new Error().stack;
		Error.prepareStackTrace = NATIVE_PREPARE_STACK_TRACE;
		Error.stackTraceLimit = prevStackTraceLimit;
		return nodeCallsites.slice(INTERNAL_CALLSITES_SHIFT).map(function (cs) { return (0, source_map_support_1.wrapCallSite)(cs); });
	};
	Callsite.DEFAULT_CALLSITES_COUNT = 1;
	return Callsite;
}());
exports.Callsite = Callsite;
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