@inversifyjs/core/lib/metadata/decorators/injectBase.js

InversifyJs core package

import { updateOwnReflectMetadata } from '@inversifyjs/reflect-metadata-utils';
import { InversifyCoreError } from '../../error/models/InversifyCoreError.js';
import { InversifyCoreErrorKind } from '../../error/models/InversifyCoreErrorKind.js';
import { classMetadataReflectKey } from '../../reflectMetadata/data/classMetadataReflectKey.js';
import { updateMaybeClassMetadataConstructorArgument } from '../actions/updateMaybeClassMetadataConstructorArgument.js';
import { updateMaybeClassMetadataProperty } from '../actions/updateMaybeClassMetadataProperty.js';
import { getDefaultClassMetadata } from '../calculations/getDefaultClassMetadata.js';
import { handleInjectionError } from '../calculations/handleInjectionError.js';
export function injectBase(updateMetadata, updatePendingClassMetadataCount) {
    const decorator = (target, propertyKey, parameterIndexOrDescriptor) => {
        try {
            if (parameterIndexOrDescriptor === undefined) {
                injectProperty(updateMetadata, updatePendingClassMetadataCount)(target, propertyKey);
            }
            else {
                if (typeof parameterIndexOrDescriptor === 'number') {
                    injectParameter(updateMetadata, updatePendingClassMetadataCount)(target, propertyKey, parameterIndexOrDescriptor);
                }
                else {
                    injectMethod(updateMetadata, updatePendingClassMetadataCount)(target, propertyKey, parameterIndexOrDescriptor);
                }
            }
        }
        catch (error) {
            handleInjectionError(target, propertyKey, parameterIndexOrDescriptor, error);
        }
    };
    return decorator;
}
function buildComposedUpdateMetadata(updateMetadata, updatePendingClassMetadataCount) {
    return (target) => {
        const updateTargetPendingClassMetadataCount = updatePendingClassMetadataCount(target);
        return (metadata) => {
            updateTargetPendingClassMetadataCount(metadata);
            return updateMetadata(metadata);
        };
    };
}
function injectMethod(updateMetadata, updatePendingClassMetadataCount) {
    const buildComposedUpdateMetadataFromTarget = buildComposedUpdateMetadata(updateMetadata, updatePendingClassMetadataCount);
    return (target, propertyKey, descriptor) => {
        if (isPropertySetter(descriptor)) {
            updateOwnReflectMetadata(target.constructor, classMetadataReflectKey, getDefaultClassMetadata, updateMaybeClassMetadataProperty(buildComposedUpdateMetadataFromTarget(target), propertyKey));
        }
        else {
            throw new InversifyCoreError(InversifyCoreErrorKind.injectionDecoratorConflict, `Found an @inject decorator in a non setter property method.
Found @inject decorator at method "${propertyKey.toString()}" at class "${target.constructor.name}"`);
        }
    };
}
function injectParameter(updateMetadata, updatePendingClassMetadataCount) {
    const buildComposedUpdateMetadataFromTarget = buildComposedUpdateMetadata(updateMetadata, updatePendingClassMetadataCount);
    return (target, propertyKey, parameterIndex) => {
        if (isConstructorParameter(target, propertyKey)) {
            updateOwnReflectMetadata(target, classMetadataReflectKey, getDefaultClassMetadata, updateMaybeClassMetadataConstructorArgument(buildComposedUpdateMetadataFromTarget(target), parameterIndex));
        }
        else {
            throw new InversifyCoreError(InversifyCoreErrorKind.injectionDecoratorConflict, `Found an @inject decorator in a non constructor parameter.
Found @inject decorator at method "${propertyKey?.toString() ?? ''}" at class "${target.constructor.name}"`);
        }
    };
}
function injectProperty(updateMetadata, updatePendingClassMetadataCount) {
    const buildComposedUpdateMetadataFromTarget = buildComposedUpdateMetadata(updateMetadata, updatePendingClassMetadataCount);
    return (target, propertyKey) => {
        updateOwnReflectMetadata(target.constructor, classMetadataReflectKey, getDefaultClassMetadata, updateMaybeClassMetadataProperty(buildComposedUpdateMetadataFromTarget(target), propertyKey));
    };
}
function isConstructorParameter(target, propertyKey) {
    return typeof target === 'function' && propertyKey === undefined;
}
function isPropertySetter(descriptor) {
    return descriptor.set !== undefined;
}
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