challenge-algorithms-v2.0-u.../node_modules/jest-each/build/validation.js

108 lines
3.3 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.validateTemplateTableArguments =
exports.validateArrayTable =
exports.extractValidTemplateHeadings =
void 0;
function _chalk() {
const data = _interopRequireDefault(require('chalk'));
_chalk = function () {
return data;
};
return data;
}
function _prettyFormat() {
const data = require('pretty-format');
_prettyFormat = function () {
return data;
};
return data;
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
const EXPECTED_COLOR = _chalk().default.green;
const RECEIVED_COLOR = _chalk().default.red;
const validateArrayTable = table => {
if (!Array.isArray(table)) {
throw new Error(
'`.each` must be called with an Array or Tagged Template Literal.\n\n' +
`Instead was called with: ${(0, _prettyFormat().format)(table, {
maxDepth: 1,
min: true
})}\n`
);
}
if (isTaggedTemplateLiteral(table)) {
if (isEmptyString(table[0])) {
throw new Error(
'Error: `.each` called with an empty Tagged Template Literal of table data.\n'
);
}
throw new Error(
'Error: `.each` called with a Tagged Template Literal with no data, remember to interpolate with ${expression} syntax.\n'
);
}
if (isEmptyTable(table)) {
throw new Error(
'Error: `.each` called with an empty Array of table data.\n'
);
}
};
exports.validateArrayTable = validateArrayTable;
const isTaggedTemplateLiteral = array => array.raw !== undefined;
const isEmptyTable = table => table.length === 0;
const isEmptyString = str => typeof str === 'string' && str.trim() === '';
const validateTemplateTableArguments = (headings, data) => {
const incompleteData = data.length % headings.length;
const missingData = headings.length - incompleteData;
if (incompleteData > 0) {
throw new Error(
`Not enough arguments supplied for given headings:\n${EXPECTED_COLOR(
headings.join(' | ')
)}\n\n` +
`Received:\n${RECEIVED_COLOR((0, _prettyFormat().format)(data))}\n\n` +
`Missing ${RECEIVED_COLOR(missingData.toString())} ${pluralize(
'argument',
missingData
)}`
);
}
};
exports.validateTemplateTableArguments = validateTemplateTableArguments;
const pluralize = (word, count) => word + (count === 1 ? '' : 's');
const START_OF_LINE = '^';
const NEWLINE = '\\n';
const HEADING = '\\s*[^\\s]+\\s*';
const PIPE = '\\|';
const REPEATABLE_HEADING = `(${PIPE}${HEADING})*`;
const HEADINGS_FORMAT = new RegExp(
START_OF_LINE + NEWLINE + HEADING + REPEATABLE_HEADING + NEWLINE,
'g'
);
const extractValidTemplateHeadings = headings => {
const matches = headings.match(HEADINGS_FORMAT);
if (matches === null) {
throw new Error(
`Table headings do not conform to expected format:\n\n${EXPECTED_COLOR(
'heading1 | headingN'
)}\n\nReceived:\n\n${RECEIVED_COLOR(
(0, _prettyFormat().format)(headings)
)}`
);
}
return matches[0];
};
exports.extractValidTemplateHeadings = extractValidTemplateHeadings;