pretty-format - npm Package Compare versions

Comparing version 19.0.0 to 19.1.0-alpha.eed82034

build/index.js

@@ -7,2 +7,4 @@ /**
  * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
  */
@@ -13,4 +15,27 @@ /* eslint-disable max-len */
 
+
+
 const style = require('ansi-styles');
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 const toString = Object.prototype.toString;
@@ -28,16 +53,14 @@ const toISOString = Date.prototype.toISOString;
 function isToStringedArrayType(toStringed) {
-  return (
-    toStringed === '[object Array]' ||
-    toStringed === '[object ArrayBuffer]' ||
-    toStringed === '[object DataView]' ||
-    toStringed === '[object Float32Array]' ||
-    toStringed === '[object Float64Array]' ||
-    toStringed === '[object Int8Array]' ||
-    toStringed === '[object Int16Array]' ||
-    toStringed === '[object Int32Array]' ||
-    toStringed === '[object Uint8Array]' ||
-    toStringed === '[object Uint8ClampedArray]' ||
-    toStringed === '[object Uint16Array]' ||
-    toStringed === '[object Uint32Array]');
-
+  return toStringed === '[object Array]' ||
+  toStringed === '[object ArrayBuffer]' ||
+  toStringed === '[object DataView]' ||
+  toStringed === '[object Float32Array]' ||
+  toStringed === '[object Float64Array]' ||
+  toStringed === '[object Int8Array]' ||
+  toStringed === '[object Int16Array]' ||
+  toStringed === '[object Int32Array]' ||
+  toStringed === '[object Uint8Array]' ||
+  toStringed === '[object Uint8ClampedArray]' ||
+  toStringed === '[object Uint16Array]' ||
+  toStringed === '[object Uint32Array]';
 }
@@ -71,3 +94,7 @@
 
-function printBasicValue(val, printFunctionName, escapeRegex) {
+function printBasicValue(
+val,
+printFunctionName,
+escapeRegex)
+{
   if (val === true || val === false) {
@@ -106,3 +133,6 @@ return '' + val;
   }
-  if (toStringed === '[object Function]' || toStringed === '[object GeneratorFunction]') {
+  if (
+  toStringed === '[object Function]' ||
+  toStringed === '[object GeneratorFunction]')
+  {
     return printFunction(val, printFunctionName);
@@ -137,6 +167,21 @@ }
 
-  return false;
+  return null;
 }
 
-function printList(list, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
+function printList(
+list,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
   let body = '';
@@ -150,4 +195,20 @@
     for (let i = 0; i < list.length; i++) {
-      body += innerIndent + print(list[i], indent, innerIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+      body += innerIndent +
+      print(
+      list[i],
+      indent,
+      innerIndent,
+      spacing,
+      edgeSpacing,
+      refs,
+      maxDepth,
+      currentDepth,
+      plugins,
+      min,
+      callToJSON,
+      printFunctionName,
+      escapeRegex,
+      colors);
 
+
       if (i < list.length - 1) {
@@ -164,11 +225,88 @@ body += ',' + spacing;
 
-function printArguments(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
-  return (min ? '' : 'Arguments ') + printList(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+function printArguments(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
+  return (min ? '' : 'Arguments ') +
+  printList(
+  val,
+  indent,
+  prevIndent,
+  spacing,
+  edgeSpacing,
+  refs,
+  maxDepth,
+  currentDepth,
+  plugins,
+  min,
+  callToJSON,
+  printFunctionName,
+  escapeRegex,
+  colors);
+
 }
 
-function printArray(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
-  return (min ? '' : val.constructor.name + ' ') + printList(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+function printArray(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
+  return (min ? '' : val.constructor.name + ' ') +
+  printList(
+  val,
+  indent,
+  prevIndent,
+  spacing,
+  edgeSpacing,
+  refs,
+  maxDepth,
+  currentDepth,
+  plugins,
+  min,
+  callToJSON,
+  printFunctionName,
+  escapeRegex,
+  colors);
+
 }
 
-function printMap(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
+function printMap(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
   let result = 'Map {';
@@ -184,5 +322,35 @@ const iterator = val.entries();
     while (!current.done) {
-      const key = print(current.value[0], indent, innerIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
-      const value = print(current.value[1], indent, innerIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+      const key = print(
+      current.value[0],
+      indent,
+      innerIndent,
+      spacing,
+      edgeSpacing,
+      refs,
+      maxDepth,
+      currentDepth,
+      plugins,
+      min,
+      callToJSON,
+      printFunctionName,
+      escapeRegex,
+      colors);
 
+      const value = print(
+      current.value[1],
+      indent,
+      innerIndent,
+      spacing,
+      edgeSpacing,
+      refs,
+      maxDepth,
+      currentDepth,
+      plugins,
+      min,
+      callToJSON,
+      printFunctionName,
+      escapeRegex,
+      colors);
+
+
       result += innerIndent + key + ' => ' + value;
@@ -203,4 +371,21 @@
 
-function printObject(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
-  const constructor = min ? '' : val.constructor ? val.constructor.name + ' ' : 'Object ';
+function printObject(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
+  const constructor = min ?
+  '' :
+  val.constructor ? val.constructor.name + ' ' : 'Object ';
   let result = constructor + '{';
@@ -212,3 +397,8 @@ let keys = Object.keys(val).sort();
     keys = keys.
-    filter(key => !(typeof key === 'symbol' || toString.call(key) === '[object Symbol]')).
+    filter(
+    key =>
+    // $FlowFixMe string literal `symbol`. This value is not a valid `typeof` return value
+    !(typeof key === 'symbol' ||
+    toString.call(key) === '[object Symbol]')).
+
     concat(symbols);
@@ -224,5 +414,35 @@ }
       const key = keys[i];
-      const name = print(key, indent, innerIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
-      const value = print(val[key], indent, innerIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+      const name = print(
+      key,
+      indent,
+      innerIndent,
+      spacing,
+      edgeSpacing,
+      refs,
+      maxDepth,
+      currentDepth,
+      plugins,
+      min,
+      callToJSON,
+      printFunctionName,
+      escapeRegex,
+      colors);
 
+      const value = print(
+      val[key],
+      indent,
+      innerIndent,
+      spacing,
+      edgeSpacing,
+      refs,
+      maxDepth,
+      currentDepth,
+      plugins,
+      min,
+      callToJSON,
+      printFunctionName,
+      escapeRegex,
+      colors);
+
+
       result += innerIndent + name + ': ' + value;
@@ -241,3 +461,18 @@
 
-function printSet(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
+function printSet(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
   let result = 'Set {';
@@ -253,4 +488,20 @@ const iterator = val.entries();
     while (!current.done) {
-      result += innerIndent + print(current.value[1], indent, innerIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+      result += innerIndent +
+      print(
+      current.value[1],
+      indent,
+      innerIndent,
+      spacing,
+      edgeSpacing,
+      refs,
+      maxDepth,
+      currentDepth,
+      plugins,
+      min,
+      callToJSON,
+      printFunctionName,
+      escapeRegex,
+      colors);
 
+
       current = iterator.next();
@@ -269,3 +520,18 @@
 
-function printComplexValue(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
+function printComplexValue(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
   refs = refs.slice();
@@ -282,4 +548,21 @@ if (refs.indexOf(val) > -1) {
 
-  if (callToJSON && !hitMaxDepth && val.toJSON && typeof val.toJSON === 'function') {
-    return print(val.toJSON(), indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+  if (
+  callToJSON && !hitMaxDepth && val.toJSON && typeof val.toJSON === 'function')
+  {
+    return print(
+    val.toJSON(),
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    maxDepth,
+    currentDepth,
+    plugins,
+    min,
+    callToJSON,
+    printFunctionName,
+    escapeRegex,
+    colors);
+
   }
@@ -289,23 +572,120 @@
   if (toStringed === '[object Arguments]') {
-    return hitMaxDepth ? '[Arguments]' : printArguments(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+    return hitMaxDepth ?
+    '[Arguments]' :
+    printArguments(
+    val,
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    maxDepth,
+    currentDepth,
+    plugins,
+    min,
+    callToJSON,
+    printFunctionName,
+    escapeRegex,
+    colors);
+
   } else if (isToStringedArrayType(toStringed)) {
-    return hitMaxDepth ? '[Array]' : printArray(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+    return hitMaxDepth ?
+    '[Array]' :
+    printArray(
+    val,
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    maxDepth,
+    currentDepth,
+    plugins,
+    min,
+    callToJSON,
+    printFunctionName,
+    escapeRegex,
+    colors);
+
   } else if (toStringed === '[object Map]') {
-    return hitMaxDepth ? '[Map]' : printMap(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+    return hitMaxDepth ?
+    '[Map]' :
+    printMap(
+    val,
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    maxDepth,
+    currentDepth,
+    plugins,
+    min,
+    callToJSON,
+    printFunctionName,
+    escapeRegex,
+    colors);
+
   } else if (toStringed === '[object Set]') {
-    return hitMaxDepth ? '[Set]' : printSet(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+    return hitMaxDepth ?
+    '[Set]' :
+    printSet(
+    val,
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    maxDepth,
+    currentDepth,
+    plugins,
+    min,
+    callToJSON,
+    printFunctionName,
+    escapeRegex,
+    colors);
+
   }
 
-  return hitMaxDepth ? '[Object]' : printObject(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+  return hitMaxDepth ?
+  '[Object]' :
+  printObject(
+  val,
+  indent,
+  prevIndent,
+  spacing,
+  edgeSpacing,
+  refs,
+  maxDepth,
+  currentDepth,
+  plugins,
+  min,
+  callToJSON,
+  printFunctionName,
+  escapeRegex,
+  colors);
+
 }
 
-function printPlugin(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
-  let match = false;
+function printPlugin(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
   let plugin;
 
   for (let p = 0; p < plugins.length; p++) {
-    plugin = plugins[p];
-
-    if (plugin.test(val)) {
-      match = true;
+    if (plugins[p].test(val)) {
+      plugin = plugins[p];
       break;
@@ -315,8 +695,23 @@ }
 
-  if (!match) {
-    return false;
+  if (!plugin) {
+    return null;
   }
 
   function boundPrint(val) {
-    return print(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+    return print(
+    val,
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    maxDepth,
+    currentDepth,
+    plugins,
+    min,
+    callToJSON,
+    printFunctionName,
+    escapeRegex,
+    colors);
+
   }
@@ -337,14 +732,59 @@
 
-function print(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors) {
-  const basic = printBasicValue(val, printFunctionName, escapeRegex);
-  if (basic) {
-    return basic;
+function print(
+val,
+indent,
+prevIndent,
+spacing,
+edgeSpacing,
+refs,
+maxDepth,
+currentDepth,
+plugins,
+min,
+callToJSON,
+printFunctionName,
+escapeRegex,
+colors)
+{
+  const pluginsResult = printPlugin(
+  val,
+  indent,
+  prevIndent,
+  spacing,
+  edgeSpacing,
+  refs,
+  maxDepth,
+  currentDepth,
+  plugins,
+  min,
+  callToJSON,
+  printFunctionName,
+  escapeRegex,
+  colors);
+
+  if (typeof pluginsResult === 'string') {
+    return pluginsResult;
   }
 
-  const plugin = printPlugin(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
-  if (plugin) {
-    return plugin;
+  const basicResult = printBasicValue(val, printFunctionName, escapeRegex);
+  if (basicResult !== null) {
+    return basicResult;
   }
 
-  return printComplexValue(val, indent, prevIndent, spacing, edgeSpacing, refs, maxDepth, currentDepth, plugins, min, callToJSON, printFunctionName, escapeRegex, colors);
+  return printComplexValue(
+  val,
+  indent,
+  prevIndent,
+  spacing,
+  edgeSpacing,
+  refs,
+  maxDepth,
+  currentDepth,
+  plugins,
+  min,
+  callToJSON,
+  printFunctionName,
+  escapeRegex,
+  colors);
+
 }
@@ -354,2 +794,3 @@
   callToJSON: true,
+  edgeSpacing: '\n',
   escapeRegex: false,
@@ -362,2 +803,3 @@ highlight: false,
   printFunctionName: true,
+  spacing: '\n',
   theme: {
@@ -374,3 +816,3 @@ content: 'reset',
     if (!DEFAULTS.hasOwnProperty(key)) {
-      throw new Error('prettyFormat: Invalid option: ' + key);
+      throw new Error(`pretty-format: Unknown option "${key}".`);
     }
@@ -380,3 +822,5 @@ });
   if (opts.min && opts.indent !== undefined && opts.indent !== 0) {
-    throw new Error('prettyFormat: Cannot run with min option and indent');
+    throw new Error(
+    'pretty-format: Options "min" and "indent" cannot be used together.');
+
   }
@@ -388,4 +832,7 @@ }
 
-  Object.keys(DEFAULTS).forEach(key =>
-  result[key] = opts.hasOwnProperty(key) ? opts[key] : DEFAULTS[key]);
+  Object.keys(DEFAULTS).forEach(
+  key =>
+  result[key] = opts.hasOwnProperty(key) ?
+  key === 'theme' ? normalizeTheme(opts.theme) : opts[key] :
+  DEFAULTS[key]);
 
@@ -397,5 +844,31 @@
 
+  // $FlowFixMe the type cast below means YOU are responsible to verify the code above.
   return result;
 }
 
+function normalizeTheme(themeOption) {
+  if (!themeOption) {
+    throw new Error(`pretty-format: Option "theme" must not be null.`);
+  }
+
+  if (typeof themeOption !== 'object') {
+    throw new Error(
+    `pretty-format: Option "theme" must be of type "object" but instead received "${typeof themeOption}".`);
+
+  }
+
+  // Silently ignore any keys in `theme` that are not in defaults.
+  const themeRefined = themeOption;
+  const themeDefaults = DEFAULTS.theme;
+  return Object.keys(themeDefaults).reduce(
+  (theme, key) => {
+    theme[key] = Object.prototype.hasOwnProperty.call(themeOption, key) ?
+    themeRefined[key] :
+    themeDefaults[key];
+    return theme;
+  },
+  {});
+
+}
+
 function createIndent(indent) {
@@ -405,8 +878,9 @@ return new Array(indent + 1).join(' ');
 
-function prettyFormat(val, opts) {
-  if (!opts) {
+function prettyFormat(val, initialOptions) {
+  let opts;
+  if (!initialOptions) {
     opts = DEFAULTS;
   } else {
-    validateOptions(opts);
-    opts = normalizeOptions(opts);
+    validateOptions(initialOptions);
+    opts = normalizeOptions(initialOptions);
   }
@@ -417,3 +891,12 @@
     if (opts.highlight) {
-      colors[key] = style[opts.theme[key]];
+      const color = colors[key] = style[opts.theme[key]];
+      if (
+      !color ||
+      typeof color.close !== 'string' ||
+      typeof color.open !== 'string')
+      {
+        throw new Error(
+        `pretty-format: Option "theme" has a key "${key}" whose value "${opts.theme[key]}" is undefined in ansi-styles.`);
+
+      }
     } else {
@@ -434,4 +917,19 @@ colors[key] = { close: '', open: '' };
     refs = [];
-    const pluginsResult = printPlugin(val, indent, prevIndent, spacing, edgeSpacing, refs, opts.maxDepth, currentDepth, opts.plugins, opts.min, opts.callToJSON, opts.printFunctionName, opts.escapeRegex, colors);
-    if (pluginsResult) {
+    const pluginsResult = printPlugin(
+    val,
+    indent,
+    prevIndent,
+    spacing,
+    edgeSpacing,
+    refs,
+    opts.maxDepth,
+    currentDepth,
+    opts.plugins,
+    opts.min,
+    opts.callToJSON,
+    opts.printFunctionName,
+    opts.escapeRegex,
+    colors);
+
+    if (typeof pluginsResult === 'string') {
       return pluginsResult;
@@ -441,4 +939,8 @@ }
 
-  const basicResult = printBasicValue(val, opts.printFunctionName, opts.escapeRegex);
-  if (basicResult) {
+  const basicResult = printBasicValue(
+  val,
+  opts.printFunctionName,
+  opts.escapeRegex);
+
+  if (basicResult !== null) {
     return basicResult;
@@ -453,5 +955,20 @@ }
   }
-  return printComplexValue(val, indent, prevIndent, spacing, edgeSpacing, refs, opts.maxDepth, currentDepth, opts.plugins, opts.min, opts.callToJSON, opts.printFunctionName, opts.escapeRegex, colors);
+  return printComplexValue(
+  val,
+  indent,
+  prevIndent,
+  spacing,
+  edgeSpacing,
+  refs,
+  opts.maxDepth,
+  currentDepth,
+  opts.plugins,
+  opts.min,
+  opts.callToJSON,
+  opts.printFunctionName,
+  opts.escapeRegex,
+  colors);
+
 }
 
 module.exports = prettyFormat;

build/plugins/AsymmetricMatcher.js

@@ -12,2 +12,4 @@ /**
 
+
+
 const asymmetricMatcher = Symbol.for('jest.asymmetricMatcher');
@@ -19,3 +21,3 @@ const SPACE = ' ';
 
-const printAsymmetricMatcher = (
+const print = (
 val,
@@ -54,4 +56,4 @@ print,
 
-module.exports = {
-  print: printAsymmetricMatcher,
-  test: object => object && object.$$typeof === asymmetricMatcher };
+const test = object => object && object.$$typeof === asymmetricMatcher;
+
+module.exports = { print, test };

build/plugins/ReactElement.js

@@ -11,4 +11,6 @@ /**
 
-const escapeHTML = require('./escapeHTML');
 
+
+const escapeHTML = require('./lib/escapeHTML');
+
 const reactElement = Symbol.for('react.element');
@@ -25,5 +27,6 @@
 function printChildren(flatChildren, print, indent, colors, opts) {
-  return flatChildren.map(node => {
+  return flatChildren.
+  map(node => {
     if (typeof node === 'object') {
-      return printElement(node, print, indent, colors, opts);
+      return print(node, print, indent, colors, opts);
     } else if (typeof node === 'string') {
@@ -34,7 +37,10 @@ return colors.content.open + escapeHTML(node) + colors.content.close;
     }
-  }).join(opts.edgeSpacing);
+  }).
+  join(opts.edgeSpacing);
 }
 
 function printProps(props, print, indent, colors, opts) {
-  return Object.keys(props).sort().map(name => {
+  return Object.keys(props).
+  sort().
+  map(name => {
     if (name === 'children') {
@@ -49,3 +55,5 @@ return '';
       if (printed.indexOf('\n') !== -1) {
-        printed = '{' + opts.edgeSpacing + indent(indent(printed) + opts.edgeSpacing + '}');
+        printed = '{' +
+        opts.edgeSpacing +
+        indent(indent(printed) + opts.edgeSpacing + '}');
       } else {
@@ -56,7 +64,18 @@ printed = '{' + printed + '}';
 
-    return opts.spacing + indent(colors.prop.open + name + colors.prop.close + '=') + colors.value.open + printed + colors.value.close;
-  }).join('');
+    return opts.spacing +
+    indent(colors.prop.open + name + colors.prop.close + '=') +
+    colors.value.open +
+    printed +
+    colors.value.close;
+  }).
+  join('');
 }
 
-function printElement(element, print, indent, colors, opts) {
+const print = (
+element,
+print,
+indent,
+opts,
+colors) =>
+{
   let result = colors.tag.open + '<';
@@ -75,4 +94,4 @@ let elementName;
   const opaqueChildren = element.props.children;
-  const hasProps = !!Object.keys(element.props).
-  filter(propName => propName !== 'children').
+  const hasProps = !!Object.keys(element.props).filter(
+  propName => propName !== 'children').
   length;
@@ -87,16 +106,26 @@ const closeInNewLine = hasProps && !opts.min;
     const children = printChildren(flatChildren, print, indent, colors, opts);
-    result += colors.tag.open + (closeInNewLine ? '\n' : '') + '>' + colors.tag.close + opts.edgeSpacing + indent(children) + opts.edgeSpacing + colors.tag.open + '</' + elementName + '>' + colors.tag.close;
+    result += colors.tag.open + (
+    closeInNewLine ? '\n' : '') +
+    '>' +
+    colors.tag.close +
+    opts.edgeSpacing +
+    indent(children) +
+    opts.edgeSpacing +
+    colors.tag.open +
+    '</' +
+    elementName +
+    '>' +
+    colors.tag.close;
   } else {
-    result += colors.tag.open + (closeInNewLine ? '\n' : ' ') + '/>' + colors.tag.close;
+    result += colors.tag.open + (
+    closeInNewLine ? '\n' : ' ') +
+    '/>' +
+    colors.tag.close;
   }
 
   return result;
-}
+};
 
-module.exports = {
-  print(val, print, indent, opts, colors) {
-    return printElement(val, print, indent, colors, opts);
-  },
-  test(object) {
-    return object && object.$$typeof === reactElement;
-  } };
+const test = object => object && object.$$typeof === reactElement;
+
+module.exports = { print, test };

build/plugins/ReactTestComponent.js

@@ -13,5 +13,3 @@ /**
 
-const escapeHTML = require('./escapeHTML');
 
-const reactTestInstance = Symbol.for('react.test.json');
 
@@ -24,11 +22,24 @@
 
-// Child can be `number` in Stack renderer but not in Fiber renderer.
 
 
-function printChildren(children, print, indent, colors, opts) {
-  return children.map(child => printInstance(child, print, indent, colors, opts)).join(opts.edgeSpacing);
+const escapeHTML = require('./lib/escapeHTML');
+
+const reactTestInstance = Symbol.for('react.test.json');
+
+function printChildren(
+children,
+print,
+indent,
+colors,
+opts)
+{
+  return children.
+  map(child => printInstance(child, print, indent, colors, opts)).
+  join(opts.edgeSpacing);
 }
 
 function printProps(props, print, indent, colors, opts) {
-  return Object.keys(props).sort().map(name => {
+  return Object.keys(props).
+  sort().
+  map(name => {
     const prop = props[name];
@@ -39,3 +50,5 @@ let printed = print(prop);
       if (printed.indexOf('\n') !== -1) {
-        printed = '{' + opts.edgeSpacing + indent(indent(printed) + opts.edgeSpacing + '}');
+        printed = '{' +
+        opts.edgeSpacing +
+        indent(indent(printed) + opts.edgeSpacing + '}');
       } else {
@@ -46,4 +59,9 @@ printed = '{' + printed + '}';
 
-    return opts.spacing + indent(colors.prop.open + name + colors.prop.close + '=') + colors.value.open + printed + colors.value.close;
-  }).join('');
+    return opts.spacing +
+    indent(colors.prop.open + name + colors.prop.close + '=') +
+    colors.value.open +
+    printed +
+    colors.value.close;
+  }).
+  join('');
 }
@@ -69,6 +87,26 @@
   if (instance.children) {
-    const children = printChildren(instance.children, print, indent, colors, opts);
-    result += colors.tag.open + (closeInNewLine ? '\n' : '') + '>' + colors.tag.close + opts.edgeSpacing + indent(children) + opts.edgeSpacing + colors.tag.open + '</' + instance.type + '>' + colors.tag.close;
+    const children = printChildren(
+    instance.children,
+    print,
+    indent,
+    colors,
+    opts);
+
+    result += colors.tag.open + (
+    closeInNewLine ? '\n' : '') +
+    '>' +
+    colors.tag.close +
+    opts.edgeSpacing +
+    indent(children) +
+    opts.edgeSpacing +
+    colors.tag.open +
+    '</' +
+    instance.type +
+    '>' +
+    colors.tag.close;
   } else {
-    result += colors.tag.open + (closeInNewLine ? '\n' : ' ') + '/>' + colors.tag.close;
+    result += colors.tag.open + (
+    closeInNewLine ? '\n' : ' ') +
+    '/>' +
+    colors.tag.close;
   }
@@ -79,8 +117,13 @@
 
-module.exports = {
-  print(val, print, indent, opts, colors) {
-    return printInstance(val, print, indent, colors, opts);
-  },
-  test(object) {
-    return object && object.$$typeof === reactTestInstance;
-  } };
+const print = (
+val,
+print,
+indent,
+opts,
+colors) =>
+printInstance(val, print, indent, colors, opts);
+
+const test = object =>
+object && object.$$typeof === reactTestInstance;
+
+module.exports = { print, test };

package.json

 {
   "name": "pretty-format",
-  "version": "19.0.0",
+  "version": "19.1.0-alpha.eed82034",
   "repository": {
@@ -5,0 +5,0 @@ "type": "git",

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