557 lines
13 KiB
JavaScript
557 lines
13 KiB
JavaScript
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'use strict';
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var _ansiStyles = _interopRequireDefault(require('ansi-styles'));
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var _collections = require('./collections');
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var _AsymmetricMatcher = _interopRequireDefault(
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require('./plugins/AsymmetricMatcher')
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);
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var _ConvertAnsi = _interopRequireDefault(require('./plugins/ConvertAnsi'));
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var _DOMCollection = _interopRequireDefault(require('./plugins/DOMCollection'));
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var _DOMElement = _interopRequireDefault(require('./plugins/DOMElement'));
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var _Immutable = _interopRequireDefault(require('./plugins/Immutable'));
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var _ReactElement = _interopRequireDefault(require('./plugins/ReactElement'));
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var _ReactTestComponent = _interopRequireDefault(
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require('./plugins/ReactTestComponent')
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);
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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const toString = Object.prototype.toString;
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const toISOString = Date.prototype.toISOString;
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const errorToString = Error.prototype.toString;
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const regExpToString = RegExp.prototype.toString;
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const symbolToString = Symbol.prototype.toString;
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/**
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* Explicitly comparing typeof constructor to function avoids undefined as name
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* when mock identity-obj-proxy returns the key as the value for any key.
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*/
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const getConstructorName = val =>
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(typeof val.constructor === 'function' && val.constructor.name) || 'Object';
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/* global window */
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/** Is val is equal to global window object? Works even if it does not exist :) */
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const isWindow = val => typeof window !== 'undefined' && val === window;
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const SYMBOL_REGEXP = /^Symbol\((.*)\)(.*)$/;
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const NEWLINE_REGEXP = /\n/gi;
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class PrettyFormatPluginError extends Error {
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constructor(message, stack) {
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super(message);
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this.stack = stack;
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this.name = this.constructor.name;
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}
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}
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function isToStringedArrayType(toStringed) {
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return (
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toStringed === '[object Array]' ||
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toStringed === '[object ArrayBuffer]' ||
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toStringed === '[object DataView]' ||
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toStringed === '[object Float32Array]' ||
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toStringed === '[object Float64Array]' ||
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toStringed === '[object Int8Array]' ||
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toStringed === '[object Int16Array]' ||
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toStringed === '[object Int32Array]' ||
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toStringed === '[object Uint8Array]' ||
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toStringed === '[object Uint8ClampedArray]' ||
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toStringed === '[object Uint16Array]' ||
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toStringed === '[object Uint32Array]'
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);
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}
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function printNumber(val) {
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return Object.is(val, -0) ? '-0' : String(val);
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}
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function printBigInt(val) {
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return String(`${val}n`);
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}
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function printFunction(val, printFunctionName) {
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if (!printFunctionName) {
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return '[Function]';
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}
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return '[Function ' + (val.name || 'anonymous') + ']';
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}
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function printSymbol(val) {
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return symbolToString.call(val).replace(SYMBOL_REGEXP, 'Symbol($1)');
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}
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function printError(val) {
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return '[' + errorToString.call(val) + ']';
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}
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/**
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* The first port of call for printing an object, handles most of the
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* data-types in JS.
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*/
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function printBasicValue(val, printFunctionName, escapeRegex, escapeString) {
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if (val === true || val === false) {
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return '' + val;
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}
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if (val === undefined) {
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return 'undefined';
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}
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if (val === null) {
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return 'null';
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}
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const typeOf = typeof val;
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if (typeOf === 'number') {
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return printNumber(val);
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}
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if (typeOf === 'bigint') {
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return printBigInt(val);
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}
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if (typeOf === 'string') {
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if (escapeString) {
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return '"' + val.replace(/"|\\/g, '\\$&') + '"';
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}
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return '"' + val + '"';
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}
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if (typeOf === 'function') {
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return printFunction(val, printFunctionName);
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}
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if (typeOf === 'symbol') {
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return printSymbol(val);
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}
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const toStringed = toString.call(val);
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if (toStringed === '[object WeakMap]') {
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return 'WeakMap {}';
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}
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if (toStringed === '[object WeakSet]') {
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return 'WeakSet {}';
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}
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if (
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toStringed === '[object Function]' ||
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toStringed === '[object GeneratorFunction]'
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) {
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return printFunction(val, printFunctionName);
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}
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if (toStringed === '[object Symbol]') {
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return printSymbol(val);
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}
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if (toStringed === '[object Date]') {
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return isNaN(+val) ? 'Date { NaN }' : toISOString.call(val);
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}
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if (toStringed === '[object Error]') {
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return printError(val);
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}
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if (toStringed === '[object RegExp]') {
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if (escapeRegex) {
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// https://github.com/benjamingr/RegExp.escape/blob/master/polyfill.js
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return regExpToString.call(val).replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
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}
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return regExpToString.call(val);
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}
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if (val instanceof Error) {
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return printError(val);
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}
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return null;
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}
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/**
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* Handles more complex objects ( such as objects with circular references.
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* maps and sets etc )
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*/
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function printComplexValue(
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val,
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config,
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indentation,
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depth,
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refs,
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hasCalledToJSON
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) {
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if (refs.indexOf(val) !== -1) {
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return '[Circular]';
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}
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refs = refs.slice();
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refs.push(val);
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const hitMaxDepth = ++depth > config.maxDepth;
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const min = config.min;
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if (
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config.callToJSON &&
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!hitMaxDepth &&
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val.toJSON &&
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typeof val.toJSON === 'function' &&
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!hasCalledToJSON
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) {
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return printer(val.toJSON(), config, indentation, depth, refs, true);
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}
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const toStringed = toString.call(val);
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if (toStringed === '[object Arguments]') {
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return hitMaxDepth
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? '[Arguments]'
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: (min ? '' : 'Arguments ') +
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'[' +
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(0, _collections.printListItems)(
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val,
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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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']';
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}
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if (isToStringedArrayType(toStringed)) {
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return hitMaxDepth
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? '[' + val.constructor.name + ']'
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: (min ? '' : val.constructor.name + ' ') +
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'[' +
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(0, _collections.printListItems)(
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val,
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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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']';
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}
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if (toStringed === '[object Map]') {
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return hitMaxDepth
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? '[Map]'
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: 'Map {' +
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(0, _collections.printIteratorEntries)(
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val.entries(),
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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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) +
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'}';
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}
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if (toStringed === '[object Set]') {
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return hitMaxDepth
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? '[Set]'
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: 'Set {' +
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(0, _collections.printIteratorValues)(
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val.values(),
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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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'}';
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} // Avoid failure to serialize global window object in jsdom test environment.
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// For example, not even relevant if window is prop of React element.
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return hitMaxDepth || isWindow(val)
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? '[' + getConstructorName(val) + ']'
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: (min ? '' : getConstructorName(val) + ' ') +
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'{' +
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(0, _collections.printObjectProperties)(
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val,
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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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'}';
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}
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function isNewPlugin(plugin) {
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return plugin.serialize != null;
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}
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function printPlugin(plugin, val, config, indentation, depth, refs) {
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let printed;
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try {
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printed = isNewPlugin(plugin)
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? plugin.serialize(val, config, indentation, depth, refs, printer)
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: plugin.print(
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val,
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valChild => printer(valChild, config, indentation, depth, refs),
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str => {
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const indentationNext = indentation + config.indent;
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return (
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indentationNext +
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str.replace(NEWLINE_REGEXP, '\n' + indentationNext)
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);
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},
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{
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edgeSpacing: config.spacingOuter,
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min: config.min,
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spacing: config.spacingInner
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},
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config.colors
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);
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} catch (error) {
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throw new PrettyFormatPluginError(error.message, error.stack);
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}
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if (typeof printed !== 'string') {
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throw new Error(
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`pretty-format: Plugin must return type "string" but instead returned "${typeof printed}".`
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);
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}
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return printed;
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}
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function findPlugin(plugins, val) {
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for (let p = 0; p < plugins.length; p++) {
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try {
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if (plugins[p].test(val)) {
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return plugins[p];
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}
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} catch (error) {
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throw new PrettyFormatPluginError(error.message, error.stack);
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}
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}
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return null;
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}
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function printer(val, config, indentation, depth, refs, hasCalledToJSON) {
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const plugin = findPlugin(config.plugins, val);
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if (plugin !== null) {
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return printPlugin(plugin, val, config, indentation, depth, refs);
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}
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const basicResult = printBasicValue(
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val,
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config.printFunctionName,
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config.escapeRegex,
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config.escapeString
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);
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if (basicResult !== null) {
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return basicResult;
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}
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return printComplexValue(
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val,
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config,
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indentation,
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depth,
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refs,
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hasCalledToJSON
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);
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}
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const DEFAULT_THEME = {
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comment: 'gray',
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content: 'reset',
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prop: 'yellow',
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tag: 'cyan',
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value: 'green'
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};
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const DEFAULT_THEME_KEYS = Object.keys(DEFAULT_THEME);
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const DEFAULT_OPTIONS = {
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callToJSON: true,
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escapeRegex: false,
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escapeString: true,
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highlight: false,
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indent: 2,
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maxDepth: Infinity,
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min: false,
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plugins: [],
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printFunctionName: true,
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theme: DEFAULT_THEME
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};
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function validateOptions(options) {
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Object.keys(options).forEach(key => {
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if (!DEFAULT_OPTIONS.hasOwnProperty(key)) {
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throw new Error(`pretty-format: Unknown option "${key}".`);
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}
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});
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if (options.min && options.indent !== undefined && options.indent !== 0) {
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throw new Error(
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'pretty-format: Options "min" and "indent" cannot be used together.'
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);
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}
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if (options.theme !== undefined) {
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if (options.theme === null) {
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throw new Error(`pretty-format: Option "theme" must not be null.`);
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}
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if (typeof options.theme !== 'object') {
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throw new Error(
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|
|
`pretty-format: Option "theme" must be of type "object" but instead received "${typeof options.theme}".`
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const getColorsHighlight = options =>
|
||
|
|
DEFAULT_THEME_KEYS.reduce((colors, key) => {
|
||
|
|
const value =
|
||
|
|
options.theme && options.theme[key] !== undefined
|
||
|
|
? options.theme[key]
|
||
|
|
: DEFAULT_THEME[key];
|
||
|
|
const color = value && _ansiStyles.default[value];
|
||
|
|
|
||
|
|
if (
|
||
|
|
color &&
|
||
|
|
typeof color.close === 'string' &&
|
||
|
|
typeof color.open === 'string'
|
||
|
|
) {
|
||
|
|
colors[key] = color;
|
||
|
|
} else {
|
||
|
|
throw new Error(
|
||
|
|
`pretty-format: Option "theme" has a key "${key}" whose value "${value}" is undefined in ansi-styles.`
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return colors;
|
||
|
|
}, Object.create(null));
|
||
|
|
|
||
|
|
const getColorsEmpty = () =>
|
||
|
|
DEFAULT_THEME_KEYS.reduce((colors, key) => {
|
||
|
|
colors[key] = {
|
||
|
|
close: '',
|
||
|
|
open: ''
|
||
|
|
};
|
||
|
|
return colors;
|
||
|
|
}, Object.create(null));
|
||
|
|
|
||
|
|
const getPrintFunctionName = options =>
|
||
|
|
options && options.printFunctionName !== undefined
|
||
|
|
? options.printFunctionName
|
||
|
|
: DEFAULT_OPTIONS.printFunctionName;
|
||
|
|
|
||
|
|
const getEscapeRegex = options =>
|
||
|
|
options && options.escapeRegex !== undefined
|
||
|
|
? options.escapeRegex
|
||
|
|
: DEFAULT_OPTIONS.escapeRegex;
|
||
|
|
|
||
|
|
const getEscapeString = options =>
|
||
|
|
options && options.escapeString !== undefined
|
||
|
|
? options.escapeString
|
||
|
|
: DEFAULT_OPTIONS.escapeString;
|
||
|
|
|
||
|
|
const getConfig = options => ({
|
||
|
|
callToJSON:
|
||
|
|
options && options.callToJSON !== undefined
|
||
|
|
? options.callToJSON
|
||
|
|
: DEFAULT_OPTIONS.callToJSON,
|
||
|
|
colors:
|
||
|
|
options && options.highlight
|
||
|
|
? getColorsHighlight(options)
|
||
|
|
: getColorsEmpty(),
|
||
|
|
escapeRegex: getEscapeRegex(options),
|
||
|
|
escapeString: getEscapeString(options),
|
||
|
|
indent:
|
||
|
|
options && options.min
|
||
|
|
? ''
|
||
|
|
: createIndent(
|
||
|
|
options && options.indent !== undefined
|
||
|
|
? options.indent
|
||
|
|
: DEFAULT_OPTIONS.indent
|
||
|
|
),
|
||
|
|
maxDepth:
|
||
|
|
options && options.maxDepth !== undefined
|
||
|
|
? options.maxDepth
|
||
|
|
: DEFAULT_OPTIONS.maxDepth,
|
||
|
|
min: options && options.min !== undefined ? options.min : DEFAULT_OPTIONS.min,
|
||
|
|
plugins:
|
||
|
|
options && options.plugins !== undefined
|
||
|
|
? options.plugins
|
||
|
|
: DEFAULT_OPTIONS.plugins,
|
||
|
|
printFunctionName: getPrintFunctionName(options),
|
||
|
|
spacingInner: options && options.min ? ' ' : '\n',
|
||
|
|
spacingOuter: options && options.min ? '' : '\n'
|
||
|
|
});
|
||
|
|
|
||
|
|
function createIndent(indent) {
|
||
|
|
return new Array(indent + 1).join(' ');
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns a presentation string of your `val` object
|
||
|
|
* @param val any potential JavaScript object
|
||
|
|
* @param options Custom settings
|
||
|
|
*/
|
||
|
|
|
||
|
|
function prettyFormat(val, options) {
|
||
|
|
if (options) {
|
||
|
|
validateOptions(options);
|
||
|
|
|
||
|
|
if (options.plugins) {
|
||
|
|
const plugin = findPlugin(options.plugins, val);
|
||
|
|
|
||
|
|
if (plugin !== null) {
|
||
|
|
return printPlugin(plugin, val, getConfig(options), '', 0, []);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const basicResult = printBasicValue(
|
||
|
|
val,
|
||
|
|
getPrintFunctionName(options),
|
||
|
|
getEscapeRegex(options),
|
||
|
|
getEscapeString(options)
|
||
|
|
);
|
||
|
|
|
||
|
|
if (basicResult !== null) {
|
||
|
|
return basicResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
return printComplexValue(val, getConfig(options), '', 0, []);
|
||
|
|
}
|
||
|
|
|
||
|
|
prettyFormat.plugins = {
|
||
|
|
AsymmetricMatcher: _AsymmetricMatcher.default,
|
||
|
|
ConvertAnsi: _ConvertAnsi.default,
|
||
|
|
DOMCollection: _DOMCollection.default,
|
||
|
|
DOMElement: _DOMElement.default,
|
||
|
|
Immutable: _Immutable.default,
|
||
|
|
ReactElement: _ReactElement.default,
|
||
|
|
ReactTestComponent: _ReactTestComponent.default
|
||
|
|
};
|
||
|
|
/* eslint-disable-next-line no-redeclare */
|
||
|
|
|
||
|
|
module.exports = prettyFormat;
|