From dca33f70a2d455ce49194ef76fc19fed5d945c82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20Unneb=C3=A4ck?= <linus@folkdatorn.se>
Date: Thu, 21 Dec 2017 00:39:13 +0000
Subject: [PATCH] Fix Node.js 0.x compatibility

---
 lib/parse-font.js | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/lib/parse-font.js b/lib/parse-font.js
index cf91b6e61..5d1854cbf 100644
--- a/lib/parse-font.js
+++ b/lib/parse-font.js
@@ -4,7 +4,7 @@
  * Font RegExp helpers.
  */
 
-const weights = 'bold|bolder|lighter|[1-9]00'
+var weights = 'bold|bolder|lighter|[1-9]00'
   , styles = 'italic|oblique'
   , variants = 'small-caps'
   , stretches = 'ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded'
@@ -14,11 +14,11 @@ const weights = 'bold|bolder|lighter|[1-9]00'
 // [ [ <‘font-style’> || <font-variant-css21> || <‘font-weight’> || <‘font-stretch’> ]?
 //    <‘font-size’> [ / <‘line-height’> ]? <‘font-family’> ]
 // https://drafts.csswg.org/css-fonts-3/#font-prop
-const weightRe = new RegExp(`(${weights}) +`, 'i')
-const styleRe = new RegExp(`(${styles}) +`, 'i')
-const variantRe = new RegExp(`(${variants}) +`, 'i')
-const stretchRe = new RegExp(`(${stretches}) +`, 'i')
-const sizeFamilyRe = new RegExp(
+var weightRe = new RegExp('(' + weights + ') +', 'i')
+var styleRe = new RegExp('(' + styles + ') +', 'i')
+var variantRe = new RegExp('(' + variants + ') +', 'i')
+var stretchRe = new RegExp('(' + stretches + ') +', 'i')
+var sizeFamilyRe = new RegExp(
   '([\\d\\.]+)(' + units + ') *'
   + '((?:' + string + ')( *, *(?:' + string + '))*)')
 
@@ -26,9 +26,9 @@ const sizeFamilyRe = new RegExp(
  * Cache font parsing.
  */
 
-const cache = {}
+var cache = {}
 
-const defaultHeight = 16 // pt, common browser default
+var defaultHeight = 16 // pt, common browser default
 
 /**
  * Parse font `str`.
@@ -44,11 +44,11 @@ module.exports = function (str) {
   if (cache[str]) return cache[str]
 
   // Try for required properties first.
-  const sizeFamily = sizeFamilyRe.exec(str)
+  var sizeFamily = sizeFamilyRe.exec(str)
   if (!sizeFamily) return // invalid
 
   // Default values and required properties
-  const font = {
+  var font = {
     weight: 'normal',
     style: 'normal',
     stretch: 'normal',
@@ -59,9 +59,9 @@ module.exports = function (str) {
   }
 
   // Optional, unordered properties.
-  let weight, style, variant, stretch
+  var weight, style, variant, stretch
   // Stop search at `sizeFamily.index`
-  let substr = str.substring(0, sizeFamily.index)
+  var substr = str.substring(0, sizeFamily.index)
   if ((weight = weightRe.exec(substr))) font.weight = weight[1]
   if ((style = styleRe.exec(substr))) font.style = style[1]
   if ((variant = variantRe.exec(substr))) font.variant = variant[1]