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dewedev/node_modules/es-abstract/2021/substring.js
dwindown 7f2dd5260f Initial commit: Developer Tools MVP with visual editor
- Complete React app with 7 developer tools
- JSON Tool with visual structured editor
- Serialize Tool with visual structured editor
- URL, Base64, CSV/JSON, Beautifier, Diff tools
- Responsive navigation with dropdown menu
- Dark/light mode toggle
- Mobile-responsive design with sticky header
- All tools working with copy/paste functionality
2025-08-02 09:31:26 +07:00

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JavaScript

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