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Accept iterables. #153

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merged 18 commits into from
Aug 19, 2020
Merged

Accept iterables. #153

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9d7c3c2
Allow stack.{keys,order} to be iterable.
mbostock Nov 19, 2019
5a4e792
Accept iterable for stack.
mbostock Nov 19, 2019
32221b2
Rename.
mbostock Nov 19, 2019
3c9bd9e
Allow stack.keys function to return an iterable.
mbostock Nov 19, 2019
e3337dd
Allow stack.order function to return an iterable.
mbostock Nov 19, 2019
061a6a5
Allow pie, line, and area to take iterables.
mbostock Nov 19, 2019
3672c01
Test for pie(iterable).
mbostock Nov 19, 2019
7651a1a
links to d3v6 versions
Fil Jul 10, 2020
4364ddc
note about iterables
Fil Jul 10, 2020
42c1493
d3.line(x,y) and d3.are(x,y0,y1) shorthand notations
Fil Jul 17, 2020
4501d87
document shorthand notation and ES6
Fil Jul 17, 2020
d46aac5
shorthand notation symbol(type, size)
Fil Jul 20, 2020
876ab96
symbol(type, size) shorthand
Fil Jul 27, 2020
587bb39
d3.line(x,y) and d3.area(x,y0,y1) shorthand notations
Fil Jul 27, 2020
d12c4f7
yarn.lock
Fil Jul 27, 2020
3683fb8
v2.0.0-rc.1
Fil Jul 27, 2020
696ae24
reactivate tests
Fil Aug 19, 2020
b490be6
documentation links
Fil Aug 19, 2020
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Accept iterable for stack.
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@mbostock
mbostock committed Nov 19, 2019
commit 5a4e7929c4ea8865e4d7591274a16cdd2416008d
20 changes: 11 additions & 9 deletions src/stack.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,12 @@ function stackValue(d, key) {
return d[key];
}

function stackSeries(key) {
const series = [];
series.key = key;
return series;
}

export default function() {
var keys = constant([]),
order = orderNone,
Expand All @@ -14,18 +20,14 @@ export default function() {

function stack(data) {
var kz = keys.apply(this, arguments),
i,
m = data.length,
n = kz.length,
sz = new Array(n),
sz = kz.map(stackSeries),
i, n = sz.length, m = -1,
oz;

for (i = 0; i < n; ++i) {
for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) {
si[j] = sij = [0, +value(data[j], ki, j, data)];
sij.data = data[j];
for (const d of data) {
for (i = 0, ++m; i < n; ++i) {
(sz[i][m] = [0, +value(d, kz[i], m, data)]).data = d;
}
si.key = ki;
}

for (i = 0, oz = order(sz); i < n; ++i) {
Expand Down