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186 lines
4.4 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.printIteratorEntries = printIteratorEntries;
exports.printIteratorValues = printIteratorValues;
exports.printListItems = printListItems;
exports.printObjectProperties = printObjectProperties;
/**
* 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 getKeysOfEnumerableProperties = object => {
const keys = Object.keys(object).sort();
if (Object.getOwnPropertySymbols) {
Object.getOwnPropertySymbols(object).forEach(symbol => {
if (Object.getOwnPropertyDescriptor(object, symbol).enumerable) {
keys.push(symbol);
}
});
}
return keys;
};
/**
* Return entries (for example, of a map)
* with spacing, indentation, and comma
* without surrounding punctuation (for example, braces)
*/
function printIteratorEntries(
iterator,
config,
indentation,
depth,
refs,
printer, // Too bad, so sad that separator for ECMAScript Map has been ' => '
// What a distracting diff if you change a data structure to/from
// ECMAScript Object or Immutable.Map/OrderedMap which use the default.
separator = ': '
) {
let result = '';
let current = iterator.next();
if (!current.done) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
while (!current.done) {
const name = printer(
current.value[0],
config,
indentationNext,
depth,
refs
);
const value = printer(
current.value[1],
config,
indentationNext,
depth,
refs
);
result += indentationNext + name + separator + value;
current = iterator.next();
if (!current.done) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}
/**
* Return values (for example, of a set)
* with spacing, indentation, and comma
* without surrounding punctuation (braces or brackets)
*/
function printIteratorValues(
iterator,
config,
indentation,
depth,
refs,
printer
) {
let result = '';
let current = iterator.next();
if (!current.done) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
while (!current.done) {
result +=
indentationNext +
printer(current.value, config, indentationNext, depth, refs);
current = iterator.next();
if (!current.done) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}
/**
* Return items (for example, of an array)
* with spacing, indentation, and comma
* without surrounding punctuation (for example, brackets)
**/
function printListItems(list, config, indentation, depth, refs, printer) {
let result = '';
if (list.length) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
for (let i = 0; i < list.length; i++) {
result +=
indentationNext +
printer(list[i], config, indentationNext, depth, refs);
if (i < list.length - 1) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}
/**
* Return properties of an object
* with spacing, indentation, and comma
* without surrounding punctuation (for example, braces)
*/
function printObjectProperties(val, config, indentation, depth, refs, printer) {
let result = '';
const keys = getKeysOfEnumerableProperties(val);
if (keys.length) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const name = printer(key, config, indentationNext, depth, refs);
const value = printer(val[key], config, indentationNext, depth, refs);
result += indentationNext + name + ': ' + value;
if (i < keys.length - 1) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}