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Fix truncate tests 

Reviewed By: bestander

Differential Revision: D3424960

fbshipit-source-id: 0f434d80e6e26cfc9f01800c266dd1a3710fe459
This commit is contained in:
Pieter De Baets 2016-06-13 10:06:29 -07:00 committed by Facebook Github Bot 4
parent 2151dfbb24
commit 3f1bca7d26
1 changed files with 3 additions and 5 deletions
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8
Libraries/Utilities/truncate.js
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@ -11,27 +11,25 @@
*/ */
'use strict'; 'use strict';
var merge = require('merge');
type truncateOptions = { type truncateOptions = {
breakOnWords: boolean; breakOnWords: boolean;
minDelta: number; minDelta: number;
elipsis: string; elipsis: string;
} }
var defaultOptions = { const defaultOptions = {
breakOnWords: true, breakOnWords: true,
minDelta: 10, // Prevents truncating a tiny bit off the end minDelta: 10, // Prevents truncating a tiny bit off the end
elipsis: '...', elipsis: '...',
}; };
// maxChars (including ellipsis) // maxChars (including ellipsis)
var truncate = function( const truncate = function(
str: ?string, str: ?string,
maxChars: number, maxChars: number,
options: truncateOptions options: truncateOptions
): ?string { ): ?string {
options = merge(defaultOptions, options); options = Object.assign({}, defaultOptions, options);
if (str && str.length && if (str && str.length &&
str.length - options.minDelta + options.elipsis.length >= maxChars) { str.length - options.minDelta + options.elipsis.length >= maxChars) {
str = str.slice(0, maxChars - options.elipsis.length + 1); str = str.slice(0, maxChars - options.elipsis.length + 1);