116 lines
2.8 KiB
JavaScript
116 lines
2.8 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.test = exports.serialize = undefined;
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var _markup = require('./lib/markup');
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/**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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const elementSymbol = Symbol.for('react.element');
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const fragmentSymbol = Symbol.for('react.fragment');
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const forwardRefSymbol = Symbol.for('react.forward_ref');
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const providerSymbol = Symbol.for('react.provider');
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const contextSymbol = Symbol.for('react.context');
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// Given element.props.children, or subtree during recursive traversal,
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// return flattened array of children.
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const getChildren = function(arg) {
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let children =
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arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
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if (Array.isArray(arg)) {
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arg.forEach(item => {
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getChildren(item, children);
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});
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} else if (arg != null && arg !== false) {
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children.push(arg);
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}
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return children;
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};
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const getType = element => {
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const type = element.type;
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if (typeof type === 'string') {
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return type;
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}
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if (typeof type === 'function') {
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return type.displayName || type.name || 'Unknown';
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}
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if (type === fragmentSymbol) {
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return 'React.Fragment';
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}
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if (typeof type === 'object' && type !== null) {
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if (type.$$typeof === providerSymbol) {
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return 'Context.Provider';
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}
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if (type.$$typeof === contextSymbol) {
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return 'Context.Consumer';
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}
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if (type.$$typeof === forwardRefSymbol) {
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const functionName = type.render.displayName || type.render.name || '';
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return functionName !== ''
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? 'ForwardRef(' + functionName + ')'
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: 'ForwardRef';
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}
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}
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return 'UNDEFINED';
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};
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const getPropKeys = element => {
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const props = element.props;
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return Object.keys(props)
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.filter(key => key !== 'children' && props[key] !== undefined)
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.sort();
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};
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const serialize = (exports.serialize = (
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element,
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config,
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indentation,
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depth,
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refs,
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printer
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) =>
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++depth > config.maxDepth
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? (0, _markup.printElementAsLeaf)(getType(element), config)
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: (0, _markup.printElement)(
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getType(element),
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(0, _markup.printProps)(
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getPropKeys(element),
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element.props,
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config,
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indentation + config.indent,
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depth,
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refs,
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printer
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),
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(0, _markup.printChildren)(
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getChildren(element.props.children),
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config,
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indentation + config.indent,
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depth,
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refs,
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printer
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),
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config,
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indentation
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));
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const test = (exports.test = val => val && val.$$typeof === elementSymbol);
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exports.default = {serialize: serialize, test: test};
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