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authorDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
committerDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/balanced-match/index.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
Diffstat (limited to 'node_modules/balanced-match/index.js')
-rw-r--r--node_modules/balanced-match/index.js59
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/balanced-match/index.js b/node_modules/balanced-match/index.js
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+++ b/node_modules/balanced-match/index.js
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+'use strict';
+module.exports = balanced;
+function balanced(a, b, str) {
+ if (a instanceof RegExp) a = maybeMatch(a, str);
+ if (b instanceof RegExp) b = maybeMatch(b, str);
+
+ var r = range(a, b, str);
+
+ return r && {
+ start: r[0],
+ end: r[1],
+ pre: str.slice(0, r[0]),
+ body: str.slice(r[0] + a.length, r[1]),
+ post: str.slice(r[1] + b.length)
+ };
+}
+
+function maybeMatch(reg, str) {
+ var m = str.match(reg);
+ return m ? m[0] : null;
+}
+
+balanced.range = range;
+function range(a, b, str) {
+ var begs, beg, left, right, result;
+ var ai = str.indexOf(a);
+ var bi = str.indexOf(b, ai + 1);
+ var i = ai;
+
+ if (ai >= 0 && bi > 0) {
+ begs = [];
+ left = str.length;
+
+ while (i >= 0 && !result) {
+ if (i == ai) {
+ begs.push(i);
+ ai = str.indexOf(a, i + 1);
+ } else if (begs.length == 1) {
+ result = [ begs.pop(), bi ];
+ } else {
+ beg = begs.pop();
+ if (beg < left) {
+ left = beg;
+ right = bi;
+ }
+
+ bi = str.indexOf(b, i + 1);
+ }
+
+ i = ai < bi && ai >= 0 ? ai : bi;
+ }
+
+ if (begs.length) {
+ result = [ left, right ];
+ }
+ }
+
+ return result;
+}