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Consolidate the defaulting of options 

Reviewed By: davidaurelio

Differential Revision: D6736170

fbshipit-source-id: 3b08279cc8a8022e1cb9cceea9665f30b9575cde
This commit is contained in:
Peter van der Zee 2018-01-17 04:03:25 -08:00 committed by Facebook Github Bot
parent 329cfb4ee0
commit 4ac601694a
1 changed files with 8 additions and 36 deletions
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44
packages/metro-core/src/formatBanner/formatBanner.js
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@ -23,10 +23,6 @@ var TOP_RIGHT = '\u2510';
var BOTTOM_LEFT = '\u2514';
var BOTTOM_RIGHT = '\u2518';
function identity(x) {
return x;
}
/**
* Prints a banner with a border around it containing the given message. The
* following options are supported:
@ -56,38 +52,14 @@ function identity(x) {
*/
function formatBanner(message, options) {
options = options || {};
if (options.chalkFunction === undefined) {
options.chalkFunction = identity;
}
if (options.width === undefined) {
options.width = 80;
}
if (options.marginLeft === undefined) {
options.marginLeft = 0;
}
if (options.marginRight === undefined) {
options.marginRight = 0;
}
if (options.paddingTop === undefined) {
options.paddingTop = 0;
}
if (options.paddingBottom === undefined) {
options.paddingBottom = 0;
}
if (options.paddingLeft === undefined) {
options.paddingLeft = 2;
}
if (options.paddingRight === undefined) {
options.paddingRight = 2;
}
var width = options.width;
var marginLeft = options.marginLeft;
var marginRight = options.marginRight;
var paddingTop = options.paddingTop;
var paddingBottom = options.paddingBottom;
var paddingLeft = options.paddingLeft;
var paddingRight = options.paddingRight;
var width = options.width === undefined ? 80 : options.width;
var marginLeft = options.marginLeft === undefined ? 0 : options.marginLeft;
var marginRight = options.marginRight === undefined ? 0 : options.marginRight;
var paddingTop = options.paddingTop === undefined ? 0 : options.paddingTop;
var paddingBottom = options.paddingBottom === undefined ? 0 : options.paddingBottom;
var paddingLeft = options.paddingLeft === undefined ? 2 : options.paddingLeft;
var paddingRight = options.paddingRight === undefined ? 2 : options.paddingRight;
var horizSpacing = marginLeft + paddingLeft + paddingRight + marginRight;
// 2 for the banner borders
@ -103,7 +75,7 @@ function formatBanner(message, options) {
arrayOf('', paddingBottom)
).map(function(line) {
var padding = spaces(Math.max(0, maxLineWidth - line.length));
return left + options.chalkFunction(line) + padding + right;
return left + (options.chalkFunction ? options.chalkFunction(line) : line) + padding + right;
});
var horizontalBorderLine = repeatString(