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Make jest-matcher-utils use ESM exports #4342

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merged 1 commit into from
Aug 24, 2017
Merged

Make jest-matcher-utils use ESM exports #4342

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6 changes: 3 additions & 3 deletions packages/jest-circus/src/format_node_assert_errors.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,9 @@
import type {DiffOptions} from 'jest-diff/src/diff_strings.js';
import type {Event, State} from 'types/Circus';

const {printReceived, printExpected} = require('jest-matcher-utils');
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seemed weird to use require here, but maybe on purpose?

const chalk = require('chalk');
const diff = require('jest-diff');
import {printExpected, printReceived} from 'jest-matcher-utils';
import chalk from 'chalk';
import diff from 'jest-diff';

type AssertionError = {|
actual: ?string,
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1 change: 0 additions & 1 deletion packages/jest-config/package.json
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Expand Up @@ -14,7 +14,6 @@
"jest-environment-node": "^20.0.3",
"jest-get-type": "^20.0.3",
"jest-jasmine2": "^20.0.4",
"jest-matcher-utils": "^20.0.3",
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Neither this nor jest-diff actually used it...

"jest-regex-util": "^20.0.3",
"jest-resolve": "^20.0.4",
"jest-util": "^20.0.3",
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1 change: 0 additions & 1 deletion packages/jest-diff/package.json
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Expand Up @@ -10,7 +10,6 @@
"dependencies": {
"chalk": "^2.0.1",
"diff": "^3.2.0",
"jest-matcher-utils": "^20.0.3",
"jest-get-type": "^20.0.3",
"pretty-format": "^20.0.3"
}
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59 changes: 23 additions & 36 deletions packages/jest-matcher-utils/src/index.js
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Expand Up @@ -27,10 +27,10 @@ const PLUGINS = [
AsymmetricMatcher,
];

const EXPECTED_COLOR = chalk.green;
const EXPECTED_BG = chalk.bgGreen;
const RECEIVED_COLOR = chalk.red;
const RECEIVED_BG = chalk.bgRed;
export const EXPECTED_COLOR = chalk.green;
export const EXPECTED_BG = chalk.bgGreen;
export const RECEIVED_COLOR = chalk.red;
export const RECEIVED_BG = chalk.bgRed;

const NUMBERS = [
'zero',
Expand All @@ -49,11 +49,11 @@ const NUMBERS = [
'thirteen',
];

const SUGGEST_TO_EQUAL = chalk.dim(
export const SUGGEST_TO_EQUAL = chalk.dim(
'Looks like you wanted to test for object/array equality with strict `toBe` matcher. You probably need to use `toEqual` instead.',
);

const stringify = (object: any, maxDepth?: number = 10): string => {
export const stringify = (object: any, maxDepth?: number = 10): string => {
const MAX_LENGTH = 10000;
let result;

Expand All @@ -77,15 +77,17 @@ const stringify = (object: any, maxDepth?: number = 10): string => {
: result;
};

const highlightTrailingWhitespace = (text: string, bgColor: Function): string =>
text.replace(/\s+$/gm, bgColor('$&'));
export const highlightTrailingWhitespace = (
text: string,
bgColor: Function,
): string => text.replace(/\s+$/gm, bgColor('$&'));

const printReceived = (object: any) =>
export const printReceived = (object: any) =>
highlightTrailingWhitespace(RECEIVED_COLOR(stringify(object)), RECEIVED_BG);
const printExpected = (value: any) =>
export const printExpected = (value: any) =>
highlightTrailingWhitespace(EXPECTED_COLOR(stringify(value)), EXPECTED_BG);

const printWithType = (
export const printWithType = (
name: string,
received: any,
print: (value: any) => string,
Expand All @@ -99,7 +101,7 @@ const printWithType = (
);
};

const ensureNoExpected = (expected: any, matcherName: string) => {
export const ensureNoExpected = (expected: any, matcherName: string) => {
matcherName || (matcherName = 'This');
if (typeof expected !== 'undefined') {
throw new Error(
Expand All @@ -111,7 +113,7 @@ const ensureNoExpected = (expected: any, matcherName: string) => {
}
};

const ensureActualIsNumber = (actual: any, matcherName: string) => {
export const ensureActualIsNumber = (actual: any, matcherName: string) => {
matcherName || (matcherName = 'This matcher');
if (typeof actual !== 'number') {
throw new Error(
Expand All @@ -123,7 +125,7 @@ const ensureActualIsNumber = (actual: any, matcherName: string) => {
}
};

const ensureExpectedIsNumber = (expected: any, matcherName: string) => {
export const ensureExpectedIsNumber = (expected: any, matcherName: string) => {
matcherName || (matcherName = 'This matcher');
if (typeof expected !== 'number') {
throw new Error(
Expand All @@ -135,15 +137,19 @@ const ensureExpectedIsNumber = (expected: any, matcherName: string) => {
}
};

const ensureNumbers = (actual: any, expected: any, matcherName: string) => {
export const ensureNumbers = (
actual: any,
expected: any,
matcherName: string,
) => {
ensureActualIsNumber(actual, matcherName);
ensureExpectedIsNumber(expected, matcherName);
};

const pluralize = (word: string, count: number) =>
export const pluralize = (word: string, count: number) =>
(NUMBERS[count] || count) + ' ' + word + (count === 1 ? '' : 's');

const matcherHint = (
export const matcherHint = (
matcherName: string,
received: string = 'received',
expected: string = 'expected',
Expand All @@ -163,22 +169,3 @@ const matcherHint = (
chalk.dim(')')
);
};

module.exports = {
EXPECTED_BG,
EXPECTED_COLOR,
RECEIVED_BG,
RECEIVED_COLOR,
SUGGEST_TO_EQUAL,
ensureActualIsNumber,
ensureExpectedIsNumber,
ensureNoExpected,
ensureNumbers,
highlightTrailingWhitespace,
matcherHint,
pluralize,
printExpected,
printReceived,
printWithType,
stringify,
};
2 changes: 1 addition & 1 deletion packages/jest-matchers/src/index.js
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Expand Up @@ -19,7 +19,7 @@ import type {
PromiseMatcherFn,
} from 'types/Matchers';

import utils from 'jest-matcher-utils';
import * as utils from 'jest-matcher-utils';
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I'm guessing this was the actual error

import matchers from './matchers';
import spyMatchers from './spy_matchers';
import toThrowMatchers from './to_throw_matchers';
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