| | |
| | | var uncurryThis = require('../internals/function-uncurry-this'); |
| | | var toObject = require('../internals/to-object'); |
| | | |
| | | var floor = Math.floor; |
| | | var replace = ''.replace; |
| | | var charAt = uncurryThis(''.charAt); |
| | | var replace = uncurryThis(''.replace); |
| | | var stringSlice = uncurryThis(''.slice); |
| | | var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d{1,2}|<[^>]*>)/g; |
| | | var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d{1,2})/g; |
| | | |
| | |
| | | namedCaptures = toObject(namedCaptures); |
| | | symbols = SUBSTITUTION_SYMBOLS; |
| | | } |
| | | return replace.call(replacement, symbols, function (match, ch) { |
| | | return replace(replacement, symbols, function (match, ch) { |
| | | var capture; |
| | | switch (ch.charAt(0)) { |
| | | switch (charAt(ch, 0)) { |
| | | case '$': return '$'; |
| | | case '&': return matched; |
| | | case '`': return str.slice(0, position); |
| | | case "'": return str.slice(tailPos); |
| | | case '`': return stringSlice(str, 0, position); |
| | | case "'": return stringSlice(str, tailPos); |
| | | case '<': |
| | | capture = namedCaptures[ch.slice(1, -1)]; |
| | | capture = namedCaptures[stringSlice(ch, 1, -1)]; |
| | | break; |
| | | default: // \d\d? |
| | | var n = +ch; |
| | |
| | | if (n > m) { |
| | | var f = floor(n / 10); |
| | | if (f === 0) return match; |
| | | if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1); |
| | | if (f <= m) return captures[f - 1] === undefined ? charAt(ch, 1) : captures[f - 1] + charAt(ch, 1); |
| | | return match; |
| | | } |
| | | capture = captures[n - 1]; |