kwikid-camera
Version:
KwikID's Camera Component
115 lines • 14.5 kB
JavaScript
import { __awaiter } from "tslib";
import { isEmptyValue } from "kwikid-toolkit";
// TOOLKIT
export function getDevicesList() {
return __awaiter(this, void 0, void 0, function* () {
const videoDevices = [];
try {
// Request permission to access media devices
const temporaryStream = yield navigator.mediaDevices.getUserMedia({
audio: true,
video: true
});
// Enumerate devices if permission is granted
yield navigator.mediaDevices.enumerateDevices().then((devices) => __awaiter(this, void 0, void 0, function* () {
for (const device of devices) {
if (device.kind === "videoinput") {
const constraints = {
video: { deviceId: { exact: device.deviceId } }
};
yield navigator.mediaDevices
.getUserMedia(constraints)
.then((stream) => {
const track = stream.getVideoTracks()[0];
const { facingMode } = track.getSettings();
videoDevices.push({
deviceId: device.deviceId,
groupId: device.groupId,
kind: device.kind,
label: device.label,
facingMode
});
// You can now identify whether it's a front or back camera
// Handle your logic accordingly
stream.getTracks().forEach((track) => track.stop());
})
.catch((error) => {
console.error("Error accessing camera:", error);
});
}
}
// Stop the stream after enumeration
temporaryStream.getTracks().forEach((track) => track.stop());
}));
return videoDevices;
}
catch (error) {
// Handle permission denied or other errors
console.info("Error accessing video devices:", error);
return videoDevices; // You might want to handle this differently based on your requirements
}
});
}
// TOOLKIT
export function getDevice(videoDevices, isFrontCamera) {
return __awaiter(this, void 0, void 0, function* () {
if (videoDevices.length === 0) {
return { deviceId: null, facingMode: null };
}
if (videoDevices.length === 1) {
return videoDevices[0];
}
if (videoDevices.length > 1) {
const frontCameraDevices = videoDevices.filter((videoDevice) => {
return videoDevice.facingMode === "user";
});
const backCameraDevices = videoDevices.filter((videoDevice) => {
return videoDevice.facingMode === "environment";
});
if (isFrontCamera) {
if (frontCameraDevices.length > 0) {
return frontCameraDevices[0];
}
return backCameraDevices[0];
}
if (!isFrontCamera) {
if (backCameraDevices.length > 0) {
return backCameraDevices[0];
}
return frontCameraDevices[0];
}
}
return { deviceId: null, facingMode: null };
});
}
// TOOLKIT
export function getBase64FromVideoFile(videoFile) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => {
const base64String = reader.result;
resolve(base64String); // Resolve the Promise with the base64 string
};
reader.onerror = (error) => {
reject(error); // Reject the Promise in case of an error
};
reader.readAsDataURL(
// This conversion is required due to browser differences and also video tag can't play certain type of formats.
new File([videoFile], "video.webm", {
type: "video/webm"
}));
});
}
export function getCorrectVideoFormat(video) {
if (isEmptyValue(video)) {
return "";
}
if (Array.isArray(video)) {
return video.find((vid) => typeof vid === "string" && vid.length !== 0);
}
if (typeof video === "string") {
return video;
}
return "";
}
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{ isEmptyValue } from \"kwikid-toolkit\";\n\n// TOOLKIT\nexport async function getDevicesList(): Promise<any> {\n  const videoDevices: any[] = [];\n\n  try {\n    // Request permission to access media devices\n    const temporaryStream = await navigator.mediaDevices.getUserMedia({\n      audio: true,\n      video: true\n    });\n\n    // Enumerate devices if permission is granted\n    await navigator.mediaDevices.enumerateDevices().then(async (devices) => {\n      for (const device of devices) {\n        if (device.kind === \"videoinput\") {\n          const constraints = {\n            video: { deviceId: { exact: device.deviceId } }\n          };\n\n          await navigator.mediaDevices\n            .getUserMedia(constraints)\n            .then((stream) => {\n              const track = stream.getVideoTracks()[0];\n              const { facingMode } = track.getSettings();\n\n              videoDevices.push({\n                deviceId: device.deviceId,\n                groupId: device.groupId,\n                kind: device.kind,\n                label: device.label,\n                facingMode\n              });\n\n              // You can now identify whether it's a front or back camera\n              // Handle your logic accordingly\n\n              stream.getTracks().forEach((track) => track.stop());\n            })\n            .catch((error) => {\n              console.error(\"Error accessing camera:\", error);\n            });\n        }\n      }\n\n      // Stop the stream after enumeration\n      temporaryStream.getTracks().forEach((track: any) => track.stop());\n    });\n\n    return videoDevices;\n  } catch (error) {\n    // Handle permission denied or other errors\n    console.info(\"Error accessing video devices:\", error);\n\n    return videoDevices; // You might want to handle this differently based on your requirements\n  }\n}\n\n// TOOLKIT\nexport async function getDevice(\n  videoDevices: any,\n  isFrontCamera: boolean\n): Promise<any> {\n  if (videoDevices.length === 0) {\n    return { deviceId: null, facingMode: null };\n  }\n  if (videoDevices.length === 1) {\n    return videoDevices[0];\n  }\n  if (videoDevices.length > 1) {\n    const frontCameraDevices = videoDevices.filter((videoDevice: any) => {\n      return videoDevice.facingMode === \"user\";\n    });\n    const backCameraDevices = videoDevices.filter((videoDevice: any) => {\n      return videoDevice.facingMode === \"environment\";\n    });\n    if (isFrontCamera) {\n      if (frontCameraDevices.length > 0) {\n        return frontCameraDevices[0];\n      }\n      return backCameraDevices[0];\n    }\n    if (!isFrontCamera) {\n      if (backCameraDevices.length > 0) {\n        return backCameraDevices[0];\n      }\n      return frontCameraDevices[0];\n    }\n  }\n\n  return { deviceId: null, facingMode: null };\n}\n\n// TOOLKIT\nexport function getBase64FromVideoFile(videoFile: File): Promise<string> {\n  return new Promise((resolve, reject) => {\n    const reader = new FileReader();\n\n    reader.onload = () => {\n      const base64String = reader.result as string;\n      resolve(base64String); // Resolve the Promise with the base64 string\n    };\n\n    reader.onerror = (error) => {\n      reject(error); // Reject the Promise in case of an error\n    };\n\n    reader.readAsDataURL(\n      // This conversion is required due to browser differences and also video tag can't play certain type of formats.\n      new File([videoFile], \"video.webm\", {\n        type: \"video/webm\"\n      })\n    );\n  });\n}\n\nexport function getCorrectVideoFormat(video: any): string {\n  if (isEmptyValue(video)) {\n    return \"\";\n  }\n\n  if (Array.isArray(video)) {\n    return video.find((vid) => typeof vid === \"string\" && vid.length !== 0);\n  }\n\n  if (typeof video === \"string\") {\n    return video;\n  }\n\n  return \"\";\n}\n"]}