20 lines
384 B
JavaScript
20 lines
384 B
JavaScript
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class Helper {
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constructor(name, fn) {
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this.name = name
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this.fn = fn
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}
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register(handlebars) {
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// wrap the function so that no helper can cause handlebars to break
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handlebars.registerHelper(this.name, value => {
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return this.fn(value) || value
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})
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}
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unregister(handlebars) {
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handlebars.unregisterHelper(this.name)
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}
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}
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module.exports = Helper
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