Commit 500538af by Mike Bostock

Only coalesce exact string matches.

```If there are a lot of matching numbers, it’s faster to do direct string equality
comparisons than it is to coerce to a number and compare numerically.```
parent 4adb0c24
 ... ... @@ -5624,8 +5624,8 @@ bs = b.substring(bi, bs); if (s[i]) s[i] += bs; else s[++i] = bs; } if ((am = +am[0]) === (bm = +(bs = bm[0]))) { if (s[i]) s[i] += bs; else s[++i] = bs; if ((am = am[0]) === (bm = bm[0])) { if (s[i]) s[i] += bm; else s[++i] = bm; } else { s[++i] = null; q.push({ ... ...
This diff is collapsed.
 ... ... @@ -22,9 +22,9 @@ function d3_interpolateString(a, b) { if (s[i]) s[i] += bs; // coalesce with previous string else s[++i] = bs; } if ((am = +am[0]) === (bm = +(bs = bm[0]))) { // coalesce matching numbers if (s[i]) s[i] += bs; // coalesce with previous string else s[++i] = bs; if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match if (s[i]) s[i] += bm; // coalesce with previous string else s[++i] = bm; } else { // interpolate non-matching numbers s[++i] = null; q.push({i: i, x: d3_interpolateNumber(am, bm)}); ... ...
 ... ... @@ -43,8 +43,9 @@ suite.addBatch({ assert.strictEqual(interpolate("", "bar")(.5), "bar"); assert.strictEqual(interpolate("", "")(.5), ""); }, "with two numerically-equivalent numbers, returns the target format": function(interpolate) { assert.strictEqual(interpolate("top: 1000px;", "top: 1e3px;")(.5), "top: 1e3px;"); "with two numerically-equivalent numbers, returns the default format": function(interpolate) { assert.strictEqual(interpolate("top: 1000px;", "top: 1e3px;")(.5), "top: 1000px;"); assert.strictEqual(interpolate("top: 1e3px;", "top: 1000px;")(.5), "top: 1000px;"); } } }); ... ...
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