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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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4
src/core/cff_font.js
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@ -55,7 +55,7 @@ class CFFFont {
if (properties.composite) {
let invCidToGidMap;
if (cidToGidMap && cidToGidMap.length > 0) {
if (cidToGidMap?.length > 0) {
invCidToGidMap = Object.create(null);
for (let i = 0, ii = cidToGidMap.length; i < ii; i++) {
const gid = cidToGidMap[i];
@ -74,7 +74,7 @@ class CFFFont {
const cid = charsets[glyphId];
charCode = cMap.charCodeOf(cid);
if (invCidToGidMap && invCidToGidMap[charCode] !== undefined) {
if (invCidToGidMap?.[charCode] !== undefined) {
// According to the PDF specification, see Table 117, it's not clear
// that a /CIDToGIDMap should be used with any non-TrueType fonts,
// however it's necessary to do so in order to fix issue 15559.