29 lines
577 B
JavaScript
29 lines
577 B
JavaScript
class Joiner {
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constructor(string) {
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this.string = string;
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}
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join(...items) {
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return items.join(this.string);
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}
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static join(string, ...items) {
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var joiner = new this(string);
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// TODO: use spread params here
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return joiner.join.apply(joiner, items);
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}
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}
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class ArrayLike {
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constructor(...items) {
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items.forEach(function(item, i) {
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this[i] = item;
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}.bind(this));
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this.length = items.length;
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}
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}
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var joiner = new Joiner(' & ');
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assert.equal(joiner.join(4, 5, 6), '4 & 5 & 6');
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assert.equal(new ArrayLike('a', 'b')[1], 'b');
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