facenet-js
Version:
Face detection and recognition library using TensorFlow.js and MediaPipe along with helpful React hooks and components
426 lines (425 loc) • 17.3 kB
JavaScript
;
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const require$$0 = require("react");
const FaceDetector = require("../FaceDetector-FhIAuqGI.cjs");
const FaceDetectorContext = require$$0.createContext(null);
const useFaceDetector = () => {
const context = require$$0.useContext(FaceDetectorContext);
if (!context) {
throw new Error("useFaceDetector must be used within a FaceDetectorProvider");
}
return context;
};
const useFaceSimilarity = (a, b, threshold = 0.5) => {
const similarity = require$$0.useMemo(() => {
var _a, _b;
const embeddingA = (_a = a == null ? void 0 : a.embeddings) == null ? void 0 : _a[0];
const embeddingB = (_b = b == null ? void 0 : b.embeddings) == null ? void 0 : _b[0];
if (!embeddingA || !embeddingB) return null;
const similarity2 = FaceDetector.FaceDetector.cosineSimilarity(embeddingA, embeddingB);
return {
similarity: similarity2,
message: `Face Similarity: ${similarity2.toFixed(3)}`,
isMatch: similarity2 > threshold
};
}, [a, b, threshold]);
return similarity;
};
const useWebcam = () => {
const videoRef = require$$0.useRef(null);
const [isActive, setIsActive] = require$$0.useState(false);
const [error, setError] = require$$0.useState(null);
const startWebcam = require$$0.useCallback(async () => {
if (!navigator.mediaDevices || !videoRef.current) {
setError("Webcam not supported");
return false;
}
try {
const stream = await navigator.mediaDevices.getUserMedia({ video: true });
videoRef.current.srcObject = stream;
setIsActive(true);
return true;
} catch (err) {
setError(err instanceof Error ? err.message : "Failed to access webcam");
return false;
}
}, []);
const stopWebcam = require$$0.useCallback(() => {
var _a;
if ((_a = videoRef.current) == null ? void 0 : _a.srcObject) {
const stream = videoRef.current.srcObject;
stream.getTracks().forEach((track) => track.stop());
videoRef.current.srcObject = null;
}
setIsActive(false);
}, []);
return { videoRef, isActive, error, startWebcam, stopWebcam };
};
var jsxRuntime = { exports: {} };
var reactJsxRuntime_production = {};
/**
* @license React
* react-jsx-runtime.production.js
*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var hasRequiredReactJsxRuntime_production;
function requireReactJsxRuntime_production() {
if (hasRequiredReactJsxRuntime_production) return reactJsxRuntime_production;
hasRequiredReactJsxRuntime_production = 1;
var REACT_ELEMENT_TYPE = Symbol.for("react.transitional.element"), REACT_FRAGMENT_TYPE = Symbol.for("react.fragment");
function jsxProd(type, config, maybeKey) {
var key = null;
void 0 !== maybeKey && (key = "" + maybeKey);
void 0 !== config.key && (key = "" + config.key);
if ("key" in config) {
maybeKey = {};
for (var propName in config)
"key" !== propName && (maybeKey[propName] = config[propName]);
} else maybeKey = config;
config = maybeKey.ref;
return {
$$typeof: REACT_ELEMENT_TYPE,
type,
key,
ref: void 0 !== config ? config : null,
props: maybeKey
};
}
reactJsxRuntime_production.Fragment = REACT_FRAGMENT_TYPE;
reactJsxRuntime_production.jsx = jsxProd;
reactJsxRuntime_production.jsxs = jsxProd;
return reactJsxRuntime_production;
}
var reactJsxRuntime_development = {};
/**
* @license React
* react-jsx-runtime.development.js
*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var hasRequiredReactJsxRuntime_development;
function requireReactJsxRuntime_development() {
if (hasRequiredReactJsxRuntime_development) return reactJsxRuntime_development;
hasRequiredReactJsxRuntime_development = 1;
"production" !== process.env.NODE_ENV && function() {
function getComponentNameFromType(type) {
if (null == type) return null;
if ("function" === typeof type)
return type.$$typeof === REACT_CLIENT_REFERENCE ? null : type.displayName || type.name || null;
if ("string" === typeof type) return type;
switch (type) {
case REACT_FRAGMENT_TYPE:
return "Fragment";
case REACT_PROFILER_TYPE:
return "Profiler";
case REACT_STRICT_MODE_TYPE:
return "StrictMode";
case REACT_SUSPENSE_TYPE:
return "Suspense";
case REACT_SUSPENSE_LIST_TYPE:
return "SuspenseList";
case REACT_ACTIVITY_TYPE:
return "Activity";
}
if ("object" === typeof type)
switch ("number" === typeof type.tag && console.error(
"Received an unexpected object in getComponentNameFromType(). This is likely a bug in React. Please file an issue."
), type.$$typeof) {
case REACT_PORTAL_TYPE:
return "Portal";
case REACT_CONTEXT_TYPE:
return (type.displayName || "Context") + ".Provider";
case REACT_CONSUMER_TYPE:
return (type._context.displayName || "Context") + ".Consumer";
case REACT_FORWARD_REF_TYPE:
var innerType = type.render;
type = type.displayName;
type || (type = innerType.displayName || innerType.name || "", type = "" !== type ? "ForwardRef(" + type + ")" : "ForwardRef");
return type;
case REACT_MEMO_TYPE:
return innerType = type.displayName || null, null !== innerType ? innerType : getComponentNameFromType(type.type) || "Memo";
case REACT_LAZY_TYPE:
innerType = type._payload;
type = type._init;
try {
return getComponentNameFromType(type(innerType));
} catch (x) {
}
}
return null;
}
function testStringCoercion(value) {
return "" + value;
}
function checkKeyStringCoercion(value) {
try {
testStringCoercion(value);
var JSCompiler_inline_result = false;
} catch (e) {
JSCompiler_inline_result = true;
}
if (JSCompiler_inline_result) {
JSCompiler_inline_result = console;
var JSCompiler_temp_const = JSCompiler_inline_result.error;
var JSCompiler_inline_result$jscomp$0 = "function" === typeof Symbol && Symbol.toStringTag && value[Symbol.toStringTag] || value.constructor.name || "Object";
JSCompiler_temp_const.call(
JSCompiler_inline_result,
"The provided key is an unsupported type %s. This value must be coerced to a string before using it here.",
JSCompiler_inline_result$jscomp$0
);
return testStringCoercion(value);
}
}
function getTaskName(type) {
if (type === REACT_FRAGMENT_TYPE) return "<>";
if ("object" === typeof type && null !== type && type.$$typeof === REACT_LAZY_TYPE)
return "<...>";
try {
var name = getComponentNameFromType(type);
return name ? "<" + name + ">" : "<...>";
} catch (x) {
return "<...>";
}
}
function getOwner() {
var dispatcher = ReactSharedInternals.A;
return null === dispatcher ? null : dispatcher.getOwner();
}
function UnknownOwner() {
return Error("react-stack-top-frame");
}
function hasValidKey(config) {
if (hasOwnProperty.call(config, "key")) {
var getter = Object.getOwnPropertyDescriptor(config, "key").get;
if (getter && getter.isReactWarning) return false;
}
return void 0 !== config.key;
}
function defineKeyPropWarningGetter(props, displayName) {
function warnAboutAccessingKey() {
specialPropKeyWarningShown || (specialPropKeyWarningShown = true, console.error(
"%s: `key` is not a prop. Trying to access it will result in `undefined` being returned. If you need to access the same value within the child component, you should pass it as a different prop. (https://react.dev/link/special-props)",
displayName
));
}
warnAboutAccessingKey.isReactWarning = true;
Object.defineProperty(props, "key", {
get: warnAboutAccessingKey,
configurable: true
});
}
function elementRefGetterWithDeprecationWarning() {
var componentName = getComponentNameFromType(this.type);
didWarnAboutElementRef[componentName] || (didWarnAboutElementRef[componentName] = true, console.error(
"Accessing element.ref was removed in React 19. ref is now a regular prop. It will be removed from the JSX Element type in a future release."
));
componentName = this.props.ref;
return void 0 !== componentName ? componentName : null;
}
function ReactElement(type, key, self, source, owner, props, debugStack, debugTask) {
self = props.ref;
type = {
$$typeof: REACT_ELEMENT_TYPE,
type,
key,
props,
_owner: owner
};
null !== (void 0 !== self ? self : null) ? Object.defineProperty(type, "ref", {
enumerable: false,
get: elementRefGetterWithDeprecationWarning
}) : Object.defineProperty(type, "ref", { enumerable: false, value: null });
type._store = {};
Object.defineProperty(type._store, "validated", {
configurable: false,
enumerable: false,
writable: true,
value: 0
});
Object.defineProperty(type, "_debugInfo", {
configurable: false,
enumerable: false,
writable: true,
value: null
});
Object.defineProperty(type, "_debugStack", {
configurable: false,
enumerable: false,
writable: true,
value: debugStack
});
Object.defineProperty(type, "_debugTask", {
configurable: false,
enumerable: false,
writable: true,
value: debugTask
});
Object.freeze && (Object.freeze(type.props), Object.freeze(type));
return type;
}
function jsxDEVImpl(type, config, maybeKey, isStaticChildren, source, self, debugStack, debugTask) {
var children = config.children;
if (void 0 !== children)
if (isStaticChildren)
if (isArrayImpl(children)) {
for (isStaticChildren = 0; isStaticChildren < children.length; isStaticChildren++)
validateChildKeys(children[isStaticChildren]);
Object.freeze && Object.freeze(children);
} else
console.error(
"React.jsx: Static children should always be an array. You are likely explicitly calling React.jsxs or React.jsxDEV. Use the Babel transform instead."
);
else validateChildKeys(children);
if (hasOwnProperty.call(config, "key")) {
children = getComponentNameFromType(type);
var keys = Object.keys(config).filter(function(k) {
return "key" !== k;
});
isStaticChildren = 0 < keys.length ? "{key: someKey, " + keys.join(": ..., ") + ": ...}" : "{key: someKey}";
didWarnAboutKeySpread[children + isStaticChildren] || (keys = 0 < keys.length ? "{" + keys.join(": ..., ") + ": ...}" : "{}", console.error(
'A props object containing a "key" prop is being spread into JSX:\n let props = %s;\n <%s {...props} />\nReact keys must be passed directly to JSX without using spread:\n let props = %s;\n <%s key={someKey} {...props} />',
isStaticChildren,
children,
keys,
children
), didWarnAboutKeySpread[children + isStaticChildren] = true);
}
children = null;
void 0 !== maybeKey && (checkKeyStringCoercion(maybeKey), children = "" + maybeKey);
hasValidKey(config) && (checkKeyStringCoercion(config.key), children = "" + config.key);
if ("key" in config) {
maybeKey = {};
for (var propName in config)
"key" !== propName && (maybeKey[propName] = config[propName]);
} else maybeKey = config;
children && defineKeyPropWarningGetter(
maybeKey,
"function" === typeof type ? type.displayName || type.name || "Unknown" : type
);
return ReactElement(
type,
children,
self,
source,
getOwner(),
maybeKey,
debugStack,
debugTask
);
}
function validateChildKeys(node) {
"object" === typeof node && null !== node && node.$$typeof === REACT_ELEMENT_TYPE && node._store && (node._store.validated = 1);
}
var React = require$$0, REACT_ELEMENT_TYPE = Symbol.for("react.transitional.element"), REACT_PORTAL_TYPE = Symbol.for("react.portal"), REACT_FRAGMENT_TYPE = Symbol.for("react.fragment"), REACT_STRICT_MODE_TYPE = Symbol.for("react.strict_mode"), REACT_PROFILER_TYPE = Symbol.for("react.profiler");
var REACT_CONSUMER_TYPE = Symbol.for("react.consumer"), REACT_CONTEXT_TYPE = Symbol.for("react.context"), REACT_FORWARD_REF_TYPE = Symbol.for("react.forward_ref"), REACT_SUSPENSE_TYPE = Symbol.for("react.suspense"), REACT_SUSPENSE_LIST_TYPE = Symbol.for("react.suspense_list"), REACT_MEMO_TYPE = Symbol.for("react.memo"), REACT_LAZY_TYPE = Symbol.for("react.lazy"), REACT_ACTIVITY_TYPE = Symbol.for("react.activity"), REACT_CLIENT_REFERENCE = Symbol.for("react.client.reference"), ReactSharedInternals = React.__CLIENT_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE, hasOwnProperty = Object.prototype.hasOwnProperty, isArrayImpl = Array.isArray, createTask = console.createTask ? console.createTask : function() {
return null;
};
React = {
"react-stack-bottom-frame": function(callStackForError) {
return callStackForError();
}
};
var specialPropKeyWarningShown;
var didWarnAboutElementRef = {};
var unknownOwnerDebugStack = React["react-stack-bottom-frame"].bind(
React,
UnknownOwner
)();
var unknownOwnerDebugTask = createTask(getTaskName(UnknownOwner));
var didWarnAboutKeySpread = {};
reactJsxRuntime_development.Fragment = REACT_FRAGMENT_TYPE;
reactJsxRuntime_development.jsx = function(type, config, maybeKey, source, self) {
var trackActualOwner = 1e4 > ReactSharedInternals.recentlyCreatedOwnerStacks++;
return jsxDEVImpl(
type,
config,
maybeKey,
false,
source,
self,
trackActualOwner ? Error("react-stack-top-frame") : unknownOwnerDebugStack,
trackActualOwner ? createTask(getTaskName(type)) : unknownOwnerDebugTask
);
};
reactJsxRuntime_development.jsxs = function(type, config, maybeKey, source, self) {
var trackActualOwner = 1e4 > ReactSharedInternals.recentlyCreatedOwnerStacks++;
return jsxDEVImpl(
type,
config,
maybeKey,
true,
source,
self,
trackActualOwner ? Error("react-stack-top-frame") : unknownOwnerDebugStack,
trackActualOwner ? createTask(getTaskName(type)) : unknownOwnerDebugTask
);
};
}();
return reactJsxRuntime_development;
}
var hasRequiredJsxRuntime;
function requireJsxRuntime() {
if (hasRequiredJsxRuntime) return jsxRuntime.exports;
hasRequiredJsxRuntime = 1;
if (process.env.NODE_ENV === "production") {
jsxRuntime.exports = requireReactJsxRuntime_production();
} else {
jsxRuntime.exports = requireReactJsxRuntime_development();
}
return jsxRuntime.exports;
}
var jsxRuntimeExports = requireJsxRuntime();
const ImageFaceDetectorProvider = ({
children,
options
}) => {
return FaceDetectorProvider({ children, options: { ...options, mode: "IMAGE" } });
};
const VideoFaceDetectorProvider = ({
children,
options
}) => {
return FaceDetectorProvider({ children, options: { ...options, mode: "VIDEO" } });
};
const FaceDetectorProvider = ({ children, options }) => {
const faceDetector = require$$0.useMemo(() => new FaceDetector.FaceDetector(options), []);
const [isLoading, setIsLoading] = require$$0.useState(false);
const [error, setError] = require$$0.useState(null);
require$$0.useEffect(() => {
setError(null);
const initializeDetector = async () => {
console.log("Initializing face detector...");
try {
setIsLoading(true);
await faceDetector.initialize();
setError(null);
} catch (err) {
console.error("❌ Face detector initialization failed:", err);
setError(err instanceof Error ? err : new Error(String(err)));
} finally {
setIsLoading(false);
}
};
initializeDetector();
}, [faceDetector]);
const contextValue = {
faceDetector,
isLoading,
error
};
return /* @__PURE__ */ jsxRuntimeExports.jsx(FaceDetectorContext.Provider, { value: contextValue, children });
};
exports.FaceDetectorProvider = FaceDetectorProvider;
exports.ImageFaceDetectorProvider = ImageFaceDetectorProvider;
exports.VideoFaceDetectorProvider = VideoFaceDetectorProvider;
exports.useFaceDetector = useFaceDetector;
exports.useFaceSimilarity = useFaceSimilarity;
exports.useWebcam = useWebcam;
//# sourceMappingURL=index.cjs.map