@angular/core/esm2015/src/render3/util/misc_utils.js

Angular - the core framework

/**
 * @fileoverview added by tsickle
 * Generated from: packages/core/src/render3/util/misc_utils.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { global } from '../../util/global';
/**
 * Used for stringify render output in Ivy.
 * Important! This function is very performance-sensitive and we should
 * be extra careful not to introduce megamorphic reads in it.
 * @param {?} value
 * @return {?}
 */
export function renderStringify(value) {
    if (typeof value === 'string')
        return value;
    if (value == null)
        return '';
    return '' + value;
}
/**
 * Used to stringify a value so that it can be displayed in an error message.
 * Important! This function contains a megamorphic read and should only be
 * used for error messages.
 * @param {?} value
 * @return {?}
 */
export function stringifyForError(value) {
    if (typeof value === 'function')
        return value.name || value.toString();
    if (typeof value === 'object' && value != null && typeof value.type === 'function') {
        return value.type.name || value.type.toString();
    }
    return renderStringify(value);
}
const ɵ0 = /**
 * @return {?}
 */
() => (typeof requestAnimationFrame !== 'undefined' &&
    requestAnimationFrame || // browser only
    setTimeout // everything else
)
    .bind(global);
/** @type {?} */
export const defaultScheduler = ((ɵ0))();
/**
 *
 * \@codeGenApi
 * @param {?} element
 * @return {?}
 */
export function ɵɵresolveWindow(element) {
    return { name: 'window', target: element.ownerDocument.defaultView };
}
/**
 *
 * \@codeGenApi
 * @param {?} element
 * @return {?}
 */
export function ɵɵresolveDocument(element) {
    return { name: 'document', target: element.ownerDocument };
}
/**
 *
 * \@codeGenApi
 * @param {?} element
 * @return {?}
 */
export function ɵɵresolveBody(element) {
    return { name: 'body', target: element.ownerDocument.body };
}
/**
 * The special delimiter we use to separate property names, prefixes, and suffixes
 * in property binding metadata. See storeBindingMetadata().
 *
 * We intentionally use the Unicode "REPLACEMENT CHARACTER" (U+FFFD) as a delimiter
 * because it is a very uncommon character that is unlikely to be part of a user's
 * property names or interpolation strings. If it is in fact used in a property
 * binding, DebugElement.properties will not return the correct value for that
 * binding. However, there should be no runtime effect for real applications.
 *
 * This character is typically rendered as a question mark inside of a diamond.
 * See https://en.wikipedia.org/wiki/Specials_(Unicode_block)
 *
 * @type {?}
 */
export const INTERPOLATION_DELIMITER = `�`;
/**
 * Unwrap a value which might be behind a closure (for forward declaration reasons).
 * @template T
 * @param {?} value
 * @return {?}
 */
export function maybeUnwrapFn(value) {
    if (value instanceof Function) {
        return value();
    }
    else {
        return value;
    }
}
export { ɵ0 };
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