flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
'use strict';
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var PROPER_FUNCTION_NAME = require('../internals/function-name').PROPER;
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var defineBuiltIn = require('../internals/define-built-in');
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var anObject = require('../internals/an-object');
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var $toString = require('../internals/to-string');
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var fails = require('../internals/fails');
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var getRegExpFlags = require('../internals/regexp-get-flags');
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var TO_STRING = 'toString';
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var RegExpPrototype = RegExp.prototype;
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var nativeToString = RegExpPrototype[TO_STRING];
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var NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) !== '/a/b'; });
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// FF44- RegExp#toString has a wrong name
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var INCORRECT_NAME = PROPER_FUNCTION_NAME && nativeToString.name !== TO_STRING;
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// `RegExp.prototype.toString` method
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// https://tc39.es/ecma262/#sec-regexp.prototype.tostring
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if (NOT_GENERIC || INCORRECT_NAME) {
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defineBuiltIn(RegExpPrototype, TO_STRING, function toString() {
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var R = anObject(this);
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var pattern = $toString(R.source);
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var flags = $toString(getRegExpFlags(R));
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return '/' + pattern + '/' + flags;
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}, { unsafe: true });
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}
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