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Introduce more optional chaining in the src/core/ folder

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After PR 12563 we're now free to use optional chaining in the worker-thread as well. (This patch also fixes one previously "missed" case in the `web/` folder.)

For the MOZCENTRAL build-target this patch reduces the total bundle-size by `1.6` kilobytes.
This commit is contained in:
Jonas Jenwald 2023-05-15 12:38:28 +02:00
parent c20c1b3362
commit 1b4a7c5965
27 changed files with 90 additions and 137 deletions
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6
src/core/xml_parser.js
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@ -302,7 +302,7 @@ class SimpleDOMNode {
}
get firstChild() {
return this.childNodes && this.childNodes[0];
return this.childNodes?.[0];
}
get nextSibling() {
@ -333,7 +333,7 @@ class SimpleDOMNode {
}
hasChildNodes() {
return this.childNodes && this.childNodes.length > 0;
return this.childNodes?.length > 0;
}
/**
@ -383,7 +383,7 @@ class SimpleDOMNode {
}
}
if (node.childNodes && node.childNodes.length !== 0) {
if (node.childNodes?.length > 0) {
stack.push([node, 0]);
node = node.childNodes[0];
} else if (stack.length === 0) {