56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
const helpers = require("handlebars-helpers")
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const dateHelper = require("helper-date")
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const { HelperFunctionBuiltin } = require("./constants")
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/**
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* full list of supported helpers can be found here:
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* https://github.com/helpers/handlebars-helpers
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*/
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const EXTERNAL_FUNCTION_COLLECTIONS = [
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"math",
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"array",
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"number",
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"url",
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"string",
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"comparison",
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]
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const DATE_NAME = "date"
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exports.registerAll = handlebars => {
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handlebars.registerHelper(DATE_NAME, dateHelper)
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let externalNames = []
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for (let collection of EXTERNAL_FUNCTION_COLLECTIONS) {
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// collect information about helper
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let hbsHelperInfo = helpers[collection]()
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for (let entry of Object.entries(hbsHelperInfo)) {
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const name = entry[0]
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// skip built in functions and ones seen already
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if (
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HelperFunctionBuiltin.indexOf(name) !== -1 ||
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externalNames.indexOf(name) !== -1
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) {
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continue
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}
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externalNames.push(name)
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}
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// attach it to our handlebars instance
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helpers[collection]({
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handlebars,
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})
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}
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// add date external functionality
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externalNames.push(DATE_NAME)
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exports.externalHelperNames = externalNames
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}
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exports.unregisterAll = handlebars => {
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handlebars.unregisterHelper(DATE_NAME)
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for (let name of module.exports.externalHelperNames) {
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handlebars.unregisterHelper(name)
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}
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exports.externalHelperNames = []
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}
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exports.externalHelperNames = []
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