Fix tickformat attribute description links

src/components/fx/hovertemplate_attributes.js

@@ -8,6 +8,8 @@
 
 'use strict';
 
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
+
 module.exports = function(opts, extra) {
     opts = opts || {};
     extra = extra || {};
@@ -37,7 +39,8 @@ module.exports = function(opts, extra) {
             'Note that this will override `hoverinfo`.',
             'Variables are inserted using %{variable}, for example "y: %{y}".',
             'Numbers are formatted using d3-format\'s syntax %{variable:d3-format}, for example "Price: %{y:$.2f}".',
-            'See https://github.com/d3/d3-format/blob/master/README.md#locale_format for details on the formatting syntax.',
+            FORMAT_LINK,
+            'for details on the formatting syntax.',
             'The variables available in `hovertemplate` are the ones emitted as event data described at this link https://plot.ly/javascript/plotlyjs-events/#event-data.',
             'Additionally, every attributes that can be specified per-point (the ones that are `arrayOk: true`) are available.',
             descPart,

src/constants/docs.js

@@ -0,0 +1,14 @@
+/**
+* Copyright 2012-2019, Plotly, Inc.
+* 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.
+*/
+
+'use strict';
+
+module.exports = {
+    FORMAT_LINK: 'https://github.com/d3/d3-3.x-api-reference/blob/master/Formatting.md#d3_format',
+    DATE_FORMAT_LINK: 'https://github.com/d3/d3-3.x-api-reference/blob/master/Time-Formatting.md#format'
+};

src/plots/cartesian/layout_attributes.js

@@ -14,8 +14,10 @@ var dash = require('../../components/drawing/attributes').dash;
 var extendFlat = require('../../lib/extend').extendFlat;
 var templatedArray = require('../../plot_api/plot_template').templatedArray;
 
-var constants = require('./constants');
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
+var DATE_FORMAT_LINK = require('../../constants/docs').DATE_FORMAT_LINK;
 
+var constants = require('./constants');
 
 module.exports = {
     visible: {
@@ -554,9 +556,9 @@ module.exports = {
         description: [
             'Sets the tick label formatting rule using d3 formatting mini-languages',
             'which are very similar to those in Python. For numbers, see:',
-            'https://github.com/d3/d3-format/blob/master/README.md#locale_format',
+            FORMAT_LINK,
             'And for dates see:',
-            'https://github.com/d3/d3-time-format/blob/master/README.md#locale_format',
+            DATE_FORMAT_LINK,
             'We add one item to d3\'s date formatter: *%{n}f* for fractional seconds',
             'with n digits. For example, *2016-10-13 09:15:23.456* with tickformat',
             '*%H~%M~%S.%2f* would display *09~15~23.46*'
@@ -606,9 +608,9 @@ module.exports = {
         description: [
             'Sets the hover text formatting rule using d3 formatting mini-languages',
             'which are very similar to those in Python. For numbers, see:',
-            'https://github.com/d3/d3-format/blob/master/README.md#locale_format',
+            FORMAT_LINK,
             'And for dates see:',
-            'https://github.com/d3/d3-time-format/blob/master/README.md#locale_format',
+            DATE_FORMAT_LINK,
             'We add one item to d3\'s date formatter: *%{n}f* for fractional seconds',
             'with n digits. For example, *2016-10-13 09:15:23.456* with tickformat',
             '*%H~%M~%S.%2f* would display *09~15~23.46*'

src/traces/carpet/axis_attributes.js

@@ -13,6 +13,9 @@ var colorAttrs = require('../../components/color/attributes');
 var axesAttrs = require('../../plots/cartesian/layout_attributes');
 var overrideAll = require('../../plot_api/edit_types').overrideAll;
 
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
+var DATE_FORMAT_LINK = require('../../constants/docs').TIME_FORMAT_LINK;
+
 module.exports = {
     color: {
         valType: 'color',
@@ -297,9 +300,9 @@ module.exports = {
         description: [
             'Sets the tick label formatting rule using d3 formatting mini-languages',
             'which are very similar to those in Python. For numbers, see:',
-            'https://github.com/d3/d3-format/blob/master/README.md#locale_format',
+            FORMAT_LINK,
             'And for dates see:',
-            'https://github.com/d3/d3-time-format/blob/master/README.md#locale_format',
+            DATE_FORMAT_LINK,
             'We add one item to d3\'s date formatter: *%{n}f* for fractional seconds',
             'with n digits. For example, *2016-10-13 09:15:23.456* with tickformat',
             '*%H~%M~%S.%2f* would display *09~15~23.46*'

src/traces/contour/attributes.js

@@ -19,6 +19,8 @@ var filterOps = require('../../constants/filter_ops');
 var COMPARISON_OPS2 = filterOps.COMPARISON_OPS2;
 var INTERVAL_OPS = filterOps.INTERVAL_OPS;
 
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
+
 var scatterLineAttrs = scatterAttrs.line;
 
 module.exports = extendFlat({
@@ -181,7 +183,7 @@ module.exports = extendFlat({
             description: [
                 'Sets the contour label formatting rule using d3 formatting',
                 'mini-language which is very similar to Python, see:',
-                'https://github.com/d3/d3-format/blob/master/README.md#locale_format.'
+                FORMAT_LINK
             ].join(' ')
         },
         operation: {

src/traces/heatmap/attributes.js

@@ -11,6 +11,7 @@
 var scatterAttrs = require('../scatter/attributes');
 var hovertemplateAttrs = require('../../components/fx/hovertemplate_attributes');
 var colorScaleAttrs = require('../../components/colorscale/attributes');
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
 
 var extendFlat = require('../../lib/extend').extendFlat;
 
@@ -113,7 +114,7 @@ module.exports = extendFlat({
         description: [
             'Sets the hover text formatting rule using d3 formatting mini-languages',
             'which are very similar to those in Python. See:',
-            'https://github.com/d3/d3-format/blob/master/README.md#locale_format'
+            FORMAT_LINK
         ].join(' ')
     },
     hovertemplate: hovertemplateAttrs()

src/traces/indicator/attributes.js

@@ -17,6 +17,7 @@ var domainAttrs = require('../../plots/domain').attributes;
 var axesAttrs = require('../../plots/cartesian/layout_attributes');
 var templatedArray = require('../../plot_api/plot_template').templatedArray;
 var delta = require('../../constants/delta.js');
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
 
 var textFontAttrs = fontAttrs({
     editType: 'plot',
@@ -168,7 +169,7 @@ module.exports = {
             description: [
                 'Sets the value formatting rule using d3 formatting mini-language',
                 'which is similar to those of Python. See',
-                'https://github.com/d3/d3-format/blob/master/README.md#locale_format'
+                FORMAT_LINK
             ].join(' ')
         },
         font: extendFlat({}, textFontAttrs, {
@@ -232,7 +233,7 @@ module.exports = {
             description: [
                 'Sets the value formatting rule using d3 formatting mini-language',
                 'which is similar to those of Python. See',
-                'https://github.com/d3/d3-format/blob/master/README.md#locale_format'
+                FORMAT_LINK
             ].join(' ')
         },
         increasing: {

src/traces/sankey/attributes.js

@@ -20,6 +20,8 @@ var templatedArray = require('../../plot_api/plot_template').templatedArray;
 var extendFlat = require('../../lib/extend').extendFlat;
 var overrideAll = require('../../plot_api/edit_types').overrideAll;
 
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
+
 var attrs = module.exports = overrideAll({
     hoverinfo: extendFlat({}, plotAttrs.hoverinfo, {
         flags: [],
@@ -50,7 +52,7 @@ var attrs = module.exports = overrideAll({
         description: [
             'Sets the value formatting rule using d3 formatting mini-language',
             'which is similar to those of Python. See',
-            'https://github.com/d3/d3-format/blob/master/README.md#locale_format'
+            FORMAT_LINK
         ].join(' ')
     },
 

src/traces/table/attributes.js

@@ -14,6 +14,8 @@ var overrideAll = require('../../plot_api/edit_types').overrideAll;
 var fontAttrs = require('../../plots/font_attributes');
 var domainAttrs = require('../../plots/domain').attributes;
 
+var FORMAT_LINK = require('../../constants/docs').FORMAT_LINK;
+
 var attrs = module.exports = overrideAll({
     domain: domainAttrs({name: 'table', trace: true}),
 
@@ -58,7 +60,7 @@ var attrs = module.exports = overrideAll({
             description: [
                 'Sets the cell value formatting rule using d3 formatting mini-language',
                 'which is similar to those of Python. See',
-                'https://github.com/d3/d3-format/blob/master/README.md#locale_format'
+                FORMAT_LINK
             ].join(' ')
         },
 
@@ -138,7 +140,7 @@ var attrs = module.exports = overrideAll({
             description: [
                 'Sets the cell value formatting rule using d3 formatting mini-language',
                 'which is similar to those of Python. See',
-                'https://github.com/d3/d3-format/blob/master/README.md#locale_format'
+                FORMAT_LINK
             ].join(' ')
         },