54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
const Helper = require("./Helper")
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const { SafeString } = require("handlebars")
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const externalHandlebars = require("./external")
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const { HelperFunctionNames, HelperFunctionBuiltin } = require("./constants")
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const HTML_SWAPS = {
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"<": "<",
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">": ">",
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}
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const HELPERS = [
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// external helpers
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new Helper(HelperFunctionNames.OBJECT, value => {
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return new SafeString(JSON.stringify(value))
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}),
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// this help is applied to all statements
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new Helper(HelperFunctionNames.ALL, value => {
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// null/undefined values produce bad results
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if (value == null) {
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return ""
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}
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let text = new SafeString(unescape(value).replace(/&/g, "&"))
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if (text == null || typeof text !== "string") {
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return text
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}
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return text.replace(/[<>]/g, tag => {
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return HTML_SWAPS[tag] || tag
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})
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}),
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]
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module.exports.HelperNames = () => {
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return Object.values(HelperFunctionNames).concat(
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HelperFunctionBuiltin,
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externalHandlebars.externalHelperNames
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)
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}
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module.exports.registerAll = handlebars => {
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for (let helper of HELPERS) {
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helper.register(handlebars)
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}
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// register imported helpers
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externalHandlebars.registerAll(handlebars)
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}
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module.exports.unregisterAll = handlebars => {
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for (let helper of HELPERS) {
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helper.unregister(handlebars)
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}
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// unregister all imported helpers
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externalHandlebars.unregisterAll(handlebars)
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}
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