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Remove the isString helper function

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The call-sites are replaced by direct `typeof`-checks instead, which removes unnecessary function calls. Note that in the `src/`-folder we already had more `typeof`-cases than `isString`-calls.
This commit is contained in:
Jonas Jenwald 2022-02-23 17:02:19 +01:00
parent 6bd4e0f5af
commit 99cd24ce3e
9 changed files with 47 additions and 75 deletions
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6
src/core/struct_tree.js
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@ -14,7 +14,7 @@
*/
import { Dict, isName, Name, Ref } from "./primitives.js";
import { isString, stringToPDFString, warn } from "../shared/util.js";
import { stringToPDFString, warn } from "../shared/util.js";
import { NumberTree } from "./name_number_tree.js";
const MAX_DEPTH = 40;
@ -295,11 +295,11 @@ class StructTreePage {
obj.children = [];
parent.children.push(obj);
const alt = node.dict.get("Alt");
if (isString(alt)) {
if (typeof alt === "string") {
obj.alt = stringToPDFString(alt);
}
const lang = node.dict.get("Lang");
if (isString(lang)) {
if (typeof lang === "string") {
obj.lang = stringToPDFString(lang);
}