Cleverly compacted `classed` code.
We can take advantage of JavaScript's invisible hoisting of variables to set them before they are defined. This simplifies the code for the various special cases in the `classed` operator, such as for SVG elements and browsers that support the tokenized class list.
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Родитель
8d2bc4b1b3
Коммит
99e2a55614
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@ -1305,37 +1305,36 @@ function d3_selection(groups) {
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// If no value is specified, return the first value.
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if (arguments.length < 2) {
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return first(function() {
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var c;
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if (c = this.classList) return c.contains(name);
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var c = this.className;
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re.lastIndex = 0;
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return re.test((c = this.className).baseVal != null
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? c.baseVal : c);
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return re.test(c.baseVal != null ? c.baseVal : c);
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});
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}
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/** @this {Element} */
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function classedAdd() {
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var c;
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if (c = this.classList) return c.add(name);
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var isAnimatedString = (c = this.className).baseVal != null,
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classes = isAnimatedString ? c.baseVal : c;
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var c = this.className,
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cb = c.baseVal != null,
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cv = cb ? c.baseVal : c;
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re.lastIndex = 0;
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if (!re.test(classes)) {
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classes = d3_collapse(classes + " " + name);
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if (isAnimatedString) c.baseVal = classes;
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else this.className = classes;
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if (!re.test(cv)) {
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cv = d3_collapse(cv + " " + name);
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if (cb) c.baseVal = cv;
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else this.className = cv;
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}
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}
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/** @this {Element} */
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function classedRemove() {
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var c;
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if (c = this.classList) return c.remove(name);
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var isAnimatedString = (c = this.className).baseVal != null,
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classes = isAnimatedString ? c.baseVal : c;
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classes = d3_collapse(classes.replace(re, " "));
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if (isAnimatedString) c.baseVal = classes;
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else this.className = classes;
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var c = this.className,
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cb = c.baseVal != null,
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cv = cb ? c.baseVal : c;
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cv = d3_collapse(cv.replace(re, " "));
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if (cb) c.baseVal = cv;
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else this.className = cv;
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}
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/** @this {Element} */
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Различия файлов скрыты, потому что одна или несколько строк слишком длинны
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@ -305,37 +305,36 @@ function d3_selection(groups) {
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// If no value is specified, return the first value.
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if (arguments.length < 2) {
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return first(function() {
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var c;
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if (c = this.classList) return c.contains(name);
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var c = this.className;
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re.lastIndex = 0;
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return re.test((c = this.className).baseVal != null
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? c.baseVal : c);
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return re.test(c.baseVal != null ? c.baseVal : c);
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});
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}
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/** @this {Element} */
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function classedAdd() {
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var c;
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if (c = this.classList) return c.add(name);
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var isAnimatedString = (c = this.className).baseVal != null,
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classes = isAnimatedString ? c.baseVal : c;
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var c = this.className,
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cb = c.baseVal != null,
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cv = cb ? c.baseVal : c;
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re.lastIndex = 0;
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if (!re.test(classes)) {
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classes = d3_collapse(classes + " " + name);
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if (isAnimatedString) c.baseVal = classes;
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else this.className = classes;
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if (!re.test(cv)) {
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cv = d3_collapse(cv + " " + name);
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if (cb) c.baseVal = cv;
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else this.className = cv;
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}
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}
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/** @this {Element} */
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function classedRemove() {
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var c;
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if (c = this.classList) return c.remove(name);
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var isAnimatedString = (c = this.className).baseVal != null,
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classes = isAnimatedString ? c.baseVal : c;
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classes = d3_collapse(classes.replace(re, " "));
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if (isAnimatedString) c.baseVal = classes;
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else this.className = classes;
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var c = this.className,
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cb = c.baseVal != null,
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cv = cb ? c.baseVal : c;
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cv = d3_collapse(cv.replace(re, " "));
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if (cb) c.baseVal = cv;
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else this.className = cv;
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}
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/** @this {Element} */
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