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
16 lines
638 B
JavaScript
16 lines
638 B
JavaScript
'use strict';
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var $TypeError = require('es-errors/type');
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var isInteger = require('math-intrinsics/isInteger');
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var callBound = require('call-bound');
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var $slice = callBound('String.prototype.slice');
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// https://262.ecma-international.org/12.0/#substring
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module.exports = function substring(S, inclusiveStart, exclusiveEnd) {
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if (typeof S !== 'string' || !isInteger(inclusiveStart) || (arguments.length > 2 && !isInteger(exclusiveEnd))) {
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throw new $TypeError('`S` must be a String, and `inclusiveStart` and `exclusiveEnd` must be integers');
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}
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return $slice(S, inclusiveStart, arguments.length > 2 ? exclusiveEnd : S.length);
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};
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