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Added 'isImage' and 'isType' functions

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This commit is contained in:
n1474335 2018-12-26 18:40:27 +00:00
parent f355fe3447
commit f4f9b5c91c
6 changed files with 130 additions and 105 deletions
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11
src/core/operations/RenderImage.mjs
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@ -9,7 +9,7 @@ import { fromHex } from "../lib/Hex";
import Operation from "../Operation";
import OperationError from "../errors/OperationError";
import Utils from "../Utils";
import {detectFileType} from "../lib/FileType";
import {isImage} from "../lib/FileType";
/**
* Render Image operation
@ -72,8 +72,7 @@ class RenderImage extends Operation {
}
// Determine file type
const types = detectFileType(input);
if (!(types.length && types[0].mime.indexOf("image") === 0)) {
if (!isImage(input)) {
throw new OperationError("Invalid file type");
}
@ -92,9 +91,9 @@ class RenderImage extends Operation {
let dataURI = "data:";
// Determine file type
const types = detectFileType(data);
if (types.length && types[0].mime.indexOf("image") === 0) {
dataURI += types[0].mime + ";";
const mime = isImage(data);
if (mime) {
dataURI += mime + ";";
} else {
throw new OperationError("Invalid file type");
}