Add packages to optimize svgs dynamically
These packages will be used to dynamically optimize SVG images
during the build.
R=jacktfranklin@chromium.org
Bug: 1216402
Change-Id: I04e95aa7d79c9d67beaf8a7861182c52b16b7d0f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2939992
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
diff --git a/node_modules/nth-check/lib/parse.js b/node_modules/nth-check/lib/parse.js
new file mode 100644
index 0000000..f98d920
--- /dev/null
+++ b/node_modules/nth-check/lib/parse.js
@@ -0,0 +1,39 @@
+"use strict";
+// Following http://www.w3.org/TR/css3-selectors/#nth-child-pseudo
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.parse = void 0;
+// [ ['-'|'+']? INTEGER? {N} [ S* ['-'|'+'] S* INTEGER ]?
+var RE_NTH_ELEMENT = /^([+-]?\d*n)?\s*(?:([+-]?)\s*(\d+))?$/;
+/**
+ * Parses an expression.
+ *
+ * @throws An `Error` if parsing fails.
+ * @returns An array containing the integer step size and the integer offset of the nth rule.
+ * @example nthCheck.parse("2n+3"); // returns [2, 3]
+ */
+function parse(formula) {
+ formula = formula.trim().toLowerCase();
+ if (formula === "even") {
+ return [2, 0];
+ }
+ else if (formula === "odd") {
+ return [2, 1];
+ }
+ var parsed = formula.match(RE_NTH_ELEMENT);
+ if (!parsed) {
+ throw new Error("n-th rule couldn't be parsed ('" + formula + "')");
+ }
+ var a;
+ if (parsed[1]) {
+ a = parseInt(parsed[1], 10);
+ if (isNaN(a)) {
+ a = parsed[1].startsWith("-") ? -1 : 1;
+ }
+ }
+ else
+ a = 0;
+ var b = (parsed[2] === "-" ? -1 : 1) *
+ (parsed[3] ? parseInt(parsed[3], 10) : 0);
+ return [a, b];
+}
+exports.parse = parse;