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fix(paginator): getNumberOfPages off by one #10724

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Merged
merged 1 commit into from
Sep 23, 2018

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andrewseguin
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Based off of #10720 (adding the demo page)

Changes the paginator's getNumberOfPages such that it returns the actual number of pages that are on the paginator rather than the max page index. This better matches the method name and description.

E.g. right now if you have one page, the function returns 0 rather than 1, which is unexpected.

Fixes #10699

@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Apr 5, 2018
}

/** Calculate the number of pages */
getNumberOfPages(): number {
return Math.ceil(this.length / this.pageSize) - 1;
return Math.ceil(this.length / this.pageSize);
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Is pageSize == 0 a thing we have to worry about here? (I see you checked for it above).

@mmalerba mmalerba added the target: major This PR is targeted for the next major release label Apr 5, 2018
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mmalerba commented Apr 5, 2018

Marked as release: major since it changes the behavior of an API

@andrewseguin andrewseguin force-pushed the paginator-for-real-num-pages branch from 2644ca0 to a8be029 Compare April 19, 2018 16:40
@andrewseguin andrewseguin force-pushed the paginator-for-real-num-pages branch from a8be029 to 1d5b9e6 Compare May 10, 2018 17:06
@andrewseguin andrewseguin added P2 The issue is important to a large percentage of users, with a workaround and removed cla: yes PR author has agreed to Google's Contributor License Agreement labels Sep 20, 2018
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Sep 20, 2018
@mmalerba mmalerba added pr: lgtm action: merge The PR is ready for merge by the caretaker labels Sep 20, 2018
@mmalerba mmalerba merged commit 016ba5c into angular:master Sep 23, 2018
roboshoes pushed a commit to roboshoes/material2 that referenced this pull request Oct 23, 2018
Based off of angular#10720 (adding the demo page)

Changes the paginator's `getNumberOfPages` such that it returns the actual number of pages that are on the paginator rather than the max page index. This better matches the method name and description.

E.g. right now if you have one page, the function returns `0` rather than `1`, which is unexpected. 

Fixes angular#10699
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action: merge The PR is ready for merge by the caretaker cla: yes PR author has agreed to Google's Contributor License Agreement P2 The issue is important to a large percentage of users, with a workaround target: major This PR is targeted for the next major release
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[Paginator] numberOfPages is off by one
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