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Remove the isRef helper function

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This helper function is not really needed, since it's just a wrapper around a simple `instanceof` check, and it only adds unnecessary indirection in the code.
This commit is contained in:
Jonas Jenwald 2022-02-18 12:11:45 +01:00
parent df0aa1a9c4
commit 2cb2f633ac
10 changed files with 55 additions and 67 deletions
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24
src/core/struct_tree.js
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@ -13,7 +13,7 @@
* limitations under the License.
*/
import { isDict, isName, isRef } from "./primitives.js";
import { isDict, isName, Ref } from "./primitives.js";
import { isString, stringToPDFString, warn } from "../shared/util.js";
import { NumberTree } from "./name_number_tree.js";
@ -75,7 +75,7 @@ class StructElementNode {
parseKids() {
let pageObjId = null;
const objRef = this.dict.getRaw("Pg");
if (isRef(objRef)) {
if (objRef instanceof Ref) {
pageObjId = objRef.toString();
}
const kids = this.dict.get("K");
@ -110,7 +110,7 @@ class StructElementNode {
// Find the dictionary for the kid.
let kidDict = null;
if (isRef(kid)) {
if (kid instanceof Ref) {
kidDict = this.dict.xref.fetch(kid);
} else if (isDict(kid)) {
kidDict = kid;
@ -119,7 +119,7 @@ class StructElementNode {
return null;
}
const pageRef = kidDict.getRaw("Pg");
if (isRef(pageRef)) {
if (pageRef instanceof Ref) {
pageObjId = pageRef.toString();
}
@ -130,9 +130,10 @@ class StructElementNode {
}
return new StructElement({
type: StructElementType.STREAM_CONTENT,
refObjId: isRef(kidDict.getRaw("Stm"))
? kidDict.getRaw("Stm").toString()
: null,
refObjId:
kidDict.getRaw("Stm") instanceof Ref
? kidDict.getRaw("Stm").toString()
: null,
pageObjId,
mcid: kidDict.get("MCID"),
});
@ -144,9 +145,10 @@ class StructElementNode {
}
return new StructElement({
type: StructElementType.OBJECT,
refObjId: isRef(kidDict.getRaw("Obj"))
? kidDict.getRaw("Obj").toString()
: null,
refObjId:
kidDict.getRaw("Obj") instanceof Ref
? kidDict.getRaw("Obj").toString()
: null,
pageObjId,
});
}
@ -203,7 +205,7 @@ class StructTreePage {
}
const map = new Map();
for (const ref of parentArray) {
if (isRef(ref)) {
if (ref instanceof Ref) {
this.addNode(this.rootDict.xref.fetch(ref), map);
}
}