• support poppler up to v22.06

Fixes

• @adrianfalleiro fixed the build for poppler v22.01 (see #46)

Improvemens

• error messages was improved for the case when there are no native modules found in the build directory (see #45)

• update for poppler v21.11.0

Whats new:

• node v16 support (by @alejandroclaro, see #42 #41)

• Poppler v21.03 is now supported (#38)

• typescript definitions was fixed (by @Patcher56)

• #32 was fixed
• support was dropped for poppler < 0.21.0

Changes:

• support of Node v12

Breaking changes:

• PopplerDocument.getPage(..) will now return null instead of throw if no page was found. Other improvements:
• Typescript definitions is now published with this package.

• isEncrypted getter is implemented for PopplerDocument by @mgartner .
• PopplerDocument constructor signature is changed from PopplerDocument(fileName: string | Buffer) to PopplerDocument(fileName: string | Buffer, userPassword?: string, ownerPassword?: string).