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Replace the isArray helper function with the native Array.isArray function

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*Follow-up to PR 8813.*
This commit is contained in:
Jonas Jenwald 2017-09-01 20:27:13 +02:00
parent 22ade754cc
commit cfb4955a92
17 changed files with 77 additions and 87 deletions
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14
src/core/document.js
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@ -16,8 +16,8 @@
import { Catalog, ObjectLoader, XRef } from './obj';
import { Dict, isDict, isName, isStream } from './primitives';
import {
info, isArray, isArrayBuffer, isNum, isSpace, isString, MissingDataException,
OPS, shadow, stringToBytes, stringToPDFString, Util, warn
info, isArrayBuffer, isNum, isSpace, isString, MissingDataException, OPS,
shadow, stringToBytes, stringToPDFString, Util, warn
} from '../shared/util';
import { NullStream, Stream, StreamsSequenceStream } from './stream';
import { OperatorList, PartialEvaluator } from './evaluator';
@ -107,7 +107,7 @@ var Page = (function PageClosure() {
get mediaBox() {
var mediaBox = this.getInheritedPageProp('MediaBox', true);
// Reset invalid media box to letter size.
if (!isArray(mediaBox) || mediaBox.length !== 4) {
if (!Array.isArray(mediaBox) || mediaBox.length !== 4) {
return shadow(this, 'mediaBox', LETTER_SIZE_MEDIABOX);
}
return shadow(this, 'mediaBox', mediaBox);
@ -116,7 +116,7 @@ var Page = (function PageClosure() {
get cropBox() {
var cropBox = this.getInheritedPageProp('CropBox', true);
// Reset invalid crop box to media box.
if (!isArray(cropBox) || cropBox.length !== 4) {
if (!Array.isArray(cropBox) || cropBox.length !== 4) {
return shadow(this, 'cropBox', this.mediaBox);
}
return shadow(this, 'cropBox', cropBox);
@ -161,7 +161,7 @@ var Page = (function PageClosure() {
getContentStream: function Page_getContentStream() {
var content = this.content;
var stream;
if (isArray(content)) {
if (Array.isArray(content)) {
// fetching items
var xref = this.xref;
var i, n = content.length;
@ -413,7 +413,7 @@ var PDFDocument = (function PDFDocumentClosure() {
if (this.acroForm) {
this.xfa = this.acroForm.get('XFA');
var fields = this.acroForm.get('Fields');
if ((!fields || !isArray(fields) || fields.length === 0) &&
if ((!fields || !Array.isArray(fields) || fields.length === 0) &&
!this.xfa) {
// no fields and no XFA -- not a form (?)
this.acroForm = null;
@ -576,7 +576,7 @@ var PDFDocument = (function PDFDocumentClosure() {
var xref = this.xref, hash, fileID = '';
var idArray = xref.trailer.get('ID');
if (idArray && isArray(idArray) && idArray[0] && isString(idArray[0]) &&
if (Array.isArray(idArray) && idArray[0] && isString(idArray[0]) &&
idArray[0] !== EMPTY_FINGERPRINT) {
hash = stringToBytes(idArray[0]);
} else {