121 lines
2.8 KiB
JavaScript
121 lines
2.8 KiB
JavaScript
'use strict';
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const escapeHTML = require('./lib/escapeHTML'); /**
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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 BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*
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*/const reactTestInstance = Symbol.for('react.test.json');function printChildren(children, print, indent, colors,
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opts)
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{
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return children.
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map(child => printInstance(child, print, indent, colors, opts)).
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join(opts.edgeSpacing);
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}
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function printProps(props, print, indent, colors, opts) {
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return Object.keys(props).
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sort().
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map(name => {
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const prop = props[name];
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let printed = print(prop);
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if (typeof prop !== 'string') {
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if (printed.indexOf('\n') !== -1) {
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printed =
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'{' +
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opts.edgeSpacing +
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indent(indent(printed) + opts.edgeSpacing + '}');
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} else {
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printed = '{' + printed + '}';
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}
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}
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return (
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opts.spacing +
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indent(colors.prop.open + name + colors.prop.close + '=') +
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colors.value.open +
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printed +
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colors.value.close);
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}).
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join('');
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}
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function printInstance(instance, print, indent, colors, opts) {
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if (typeof instance == 'number') {
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return print(instance);
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} else if (typeof instance === 'string') {
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return colors.content.open + escapeHTML(instance) + colors.content.close;
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}
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let closeInNewLine = false;
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let result = colors.tag.open + '<' + instance.type + colors.tag.close;
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if (instance.props) {
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closeInNewLine = !!Object.keys(instance.props).length && !opts.min;
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result += printProps(instance.props, print, indent, colors, opts);
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}
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if (instance.children) {
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const children = printChildren(
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instance.children,
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print,
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indent,
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colors,
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opts);
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result +=
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colors.tag.open + (
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closeInNewLine ? '\n' : '') +
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'>' +
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colors.tag.close +
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opts.edgeSpacing +
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indent(children) +
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opts.edgeSpacing +
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colors.tag.open +
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'</' +
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instance.type +
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'>' +
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colors.tag.close;
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} else {
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result +=
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colors.tag.open + (closeInNewLine ? '\n' : ' ') + '/>' + colors.tag.close;
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}
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return result;
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}
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const print = (
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val,
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print,
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indent,
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opts,
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colors) =>
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printInstance(val, print, indent, colors, opts);
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const test = object =>
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object && object.$$typeof === reactTestInstance;
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module.exports = { print, test }; |