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- import extend from './extend';
- import { hooks } from './hooks';
- import hasOwnProp from './has-own-prop';
- function warn(msg) {
- if (
- hooks.suppressDeprecationWarnings === false &&
- typeof console !== 'undefined' &&
- console.warn
- ) {
- console.warn('Deprecation warning: ' + msg);
- }
- }
- export function deprecate(msg, fn) {
- var firstTime = true;
- return extend(function () {
- if (hooks.deprecationHandler != null) {
- hooks.deprecationHandler(null, msg);
- }
- if (firstTime) {
- var args = [],
- arg,
- i,
- key,
- argLen = arguments.length;
- for (i = 0; i < argLen; i++) {
- arg = '';
- if (typeof arguments[i] === 'object') {
- arg += '\n[' + i + '] ';
- for (key in arguments[0]) {
- if (hasOwnProp(arguments[0], key)) {
- arg += key + ': ' + arguments[0][key] + ', ';
- }
- }
- arg = arg.slice(0, -2); // Remove trailing comma and space
- } else {
- arg = arguments[i];
- }
- args.push(arg);
- }
- warn(
- msg +
- '\nArguments: ' +
- Array.prototype.slice.call(args).join('') +
- '\n' +
- new Error().stack
- );
- firstTime = false;
- }
- return fn.apply(this, arguments);
- }, fn);
- }
- var deprecations = {};
- export function deprecateSimple(name, msg) {
- if (hooks.deprecationHandler != null) {
- hooks.deprecationHandler(name, msg);
- }
- if (!deprecations[name]) {
- warn(msg);
- deprecations[name] = true;
- }
- }
- hooks.suppressDeprecationWarnings = false;
- hooks.deprecationHandler = null;
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