cafe-grader-web Files · node_modules/es5-ext/string/#/code-point-at/shim.js

cafe-grader-web

Location: cafe-grader-web/node_modules/es5-ext/string/#/code-point-at/shim.js

Commit Description:

fix wrong merge

Commit Description:

fix wrong merge

References:

r846:4279bf26f98b algo

File last commit:

r789:8cd7e8db7e38 default

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                    node_modules/es5-ext/string/#/code-point-at/shim.js
                
             | 26 lines
             | 818 B
             | application/javascript 
             | JavascriptLexer
             | 
      
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      // Based on: https://github.com/mathiasbynens/String.prototype.codePointAt

      // Thanks @mathiasbynens !

      "use strict";

      var toInteger  = require("../../../number/to-integer")

        , validValue = require("../../../object/valid-value");

      module.exports = function (pos) {

      	var str = String(validValue(this)), length = str.length, first, second;

      	pos = toInteger(pos);

      	// Account for out-of-bounds indices:

      	if (pos < 0 || pos >= length) return undefined;

      	// Get the first code unit

      	first = str.charCodeAt(pos);

      	if (first >= 0xd800 && first <= 0xdbff && length > pos + 1) {

      		second = str.charCodeAt(pos + 1);

      		if (second >= 0xdc00 && second <= 0xdfff) {

      			// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae

      			return (first - 0xd800) * 0x400 + second - 0xdc00 + 0x10000;

      		}

      	}

      	return first;

      };

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				// Based on: https://github.com/mathiasbynens/String.prototype.codePointAt
				// Thanks @mathiasbynens !

				"use strict";

				var toInteger = require("../../../number/to-integer")
				, validValue = require("../../../object/valid-value");

				module.exports = function (pos) {
				var str = String(validValue(this)), length = str.length, first, second;
				pos = toInteger(pos);

				// Account for out-of-bounds indices:
				if (pos < 0 \|\| pos >= length) return undefined;

				// Get the first code unit
				first = str.charCodeAt(pos);
				if (first >= 0xd800 && first <= 0xdbff && length > pos + 1) {
				second = str.charCodeAt(pos + 1);
				if (second >= 0xdc00 && second <= 0xdfff) {
				// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
				return (first - 0xd800) * 0x400 + second - 0xdc00 + 0x10000;
				}
				}
				return first;
				};