How to use the pretty-format.plugins.DOMElement function in pretty-format
To help you get started, we’ve selected a few pretty-format examples, based on popular ways it is used in public projects.
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ehmicky / test-each / src / title.js View on Github 
// - is fast
// - has human-friendly output
// - can minify output (including maxDepth)
// - handles circular references
// - can serialize DOM
const serialize = function(value) {
const title = prettyFormat(value, PRETTY_FORMAT_OPTS)
const titleA = ESCAPE_SEQUENCES.reduce(escapeSequence, title)
return titleA
}
const PRETTY_FORMAT_OPTS = {
min: true,
maxDepth: 2,
plugins: [
plugins.DOMElement,
plugins.DOMCollection,
plugins.ReactElement,
plugins.Immutable,
plugins.ConvertAnsi,
],
}
// Escape newline characters to ensure title is on a single line
const escapeSequence = function(title, [regExp, replacement]) {
return title.replace(regExp, replacement)
}
const ESCAPE_SEQUENCES = [
[/\n/gu, '\\n'],
[/\r/gu, '\\r'],
[/\f/gu, '\\f'],// - handles most JavaScript types
// - works in browsers
// - is fast
// - has human-friendly output
// - can minify output
// - handles circular references
// - can serialize DOM
const serialize = function(param) {
return prettyFormat(param, PRETTY_FORMAT_OPTS)
}
const PRETTY_FORMAT_OPTS = {
min: true,
maxDepth: 2,
plugins: [
plugins.DOMElement,
plugins.DOMCollection,
plugins.ReactElement,
plugins.Immutable,
plugins.ConvertAnsi,
],
}
// Make names short by truncating them
const truncateName = function(name) {
if (name.length <= MAX_NAME_LENGTH) {
return name
}
const start = name.slice(0, TRUNCATE_START_LENGTH)
const end = name.slice(name.length - TRUNCATE_END_LENGTH)
return `${start}...${end}`// - handles most JavaScript types
// - works in browsers
// - is fast
// - has human-friendly output
// - can minify output (including maxDepth)
// - handles circular references
// - can serialize DOM
const serialize = function(param) {
return prettyFormat(param, PRETTY_FORMAT_OPTS)
}
const PRETTY_FORMAT_OPTS = {
min: true,
maxDepth: 2,
plugins: [
plugins.DOMElement,
plugins.DOMCollection,
plugins.ReactElement,
plugins.Immutable,
plugins.ConvertAnsi,
],
}
// Make titles short by truncating them in the middle
const truncateTitle = function(title) {
if (title.length <= MAX_TITLE_SIZE) {
return title
}
const start = title.slice(0, TRUNCATE_START_LENGTH)
const end = title.slice(title.length - TRUNCATE_END_LENGTH)
return `${start}${ELLIPSIS}${end}`
