@beenotung/tslib/reflection.js

utils library in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.safeWrapFunction = exports.wrapFunction = void 0;
const array_1 = require("./array");
let f_name;
/* tslint:disable:ban-types */
/**
 * @description may not work after being minify due to scoped name collision
 * */
function wrapFunction(_host_function_, n = _host_function_.length, name = _host_function_.name) {
    /* tslint:enable:ban-types */
    const args = array_1.mapArray(new Array(n), (x, i) => 'a' + i).join(',');
    /* tslint:disable */
    let newF = undefined;
    eval(`newF=function ${name}(${args}){return ${f_name}.apply(null,arguments);}`);
    return newF;
    /* tslint:enable */
}
exports.wrapFunction = wrapFunction;
f_name = wrapFunction
    .toString()
    .split('(')[1]
    .split(',')[0];
/* tslint:disable:ban-types */
/**
 * @description safe under minify, but occur more call stack size
 * */
function safeWrapFunction(_host_function_, n = _host_function_.length, name = _host_function_.name) {
    /* tslint:enable:ban-types */
    const args = array_1.mapArray(new Array(n), (x, i) => 'a' + i).join(',');
    /* tslint:disable */
    return eval(`(function() {
    return function(f) {
      return function ${name}(${args}) {
        return f.apply(null, arguments);
      };
    };
  })()`)(_host_function_);
    /* tslint:enable */
}
exports.safeWrapFunction = safeWrapFunction;
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