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Use a Map and some minor regex tweaks

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Sindre Sorhus 2017-08-07 17:41:16 +02:00
parent 38f641a222
commit a9f0c77142
2 changed files with 16 additions and 16 deletions
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30
templates.js
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@ -1,28 +1,28 @@
'use strict';
const TEMPLATE_REGEX = /(?:\\(u[a-f0-9]{4}|x[a-f0-9]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
const TEMPLATE_REGEX = /(?:\\(u[a-f\d]{4}|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
const STYLE_REGEX = /(?:^|\.)(\w+)(?:\(([^)]*)\))?/g;
const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/;
const ESCAPE_REGEX = /\\(u[0-9a-f]{4}|x[0-9a-f]{2}|.)|([^\\])/gi;
const ESCAPE_REGEX = /\\(u[a-f\d]{4}|x[a-f\d]{2}|.)|([^\\])/gi;
const ESCAPES = {
n: '\n',
r: '\r',
t: '\t',
b: '\b',
f: '\f',
v: '\v',
0: '\0',
'\\': '\\',
e: '\u001b',
a: '\u0007'
};
const ESCAPES = new Map([
['n', '\n'],
['r', '\r'],
['t', '\t'],
['b', '\b'],
['f', '\f'],
['v', '\v'],
['0', '\0'],
['\\', '\\'],
['e', '\u001B'],
['a', '\u0007']
]);
function unescape(c) {
if ((c[0] === 'u' && c.length === 5) || (c[0] === 'x' && c.length === 3)) {
return String.fromCharCode(parseInt(c.slice(1), 16));
}
return ESCAPES[c] || c;
return ESCAPES.get(c) || c;
}
function parseArguments(name, args) {