budibase/packages/string-templates/test/hbsToJs.spec.js

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const {
convertToJS
} = require("../src/index.cjs")
function checkLines(response, lines) {
const toCheck = response.split("\n")
let count = 0
for (let line of lines) {
expect(toCheck[count++]).toBe(line)
}
}
describe("Test that the string processing works correctly", () => {
it("should convert string without HBS", () => {
const response = convertToJS("Hello my name is Michael")
expect(response).toBe("return `Hello my name is Michael`;")
})
it("basic example with square brackets", () => {
const response = convertToJS("{{ [query] }}")
checkLines(response, [
"const var1 = $(\"[query]\");",
"return `${var1}`;",
])
})
it("should convert some basic HBS strings", () => {
const response = convertToJS("Hello {{ name }}, welcome to {{ company }}!")
checkLines(response, [
"const var1 = $(\"name\");",
"const var2 = $(\"company\");",
"return `Hello ${var1}, welcome to ${var2}`;",
])
})
it("should handle a helper block", () => {
const response = convertToJS("This is the average: {{ avg array }}")
checkLines(response, [
"const var1 = helpers.avg($(\"array\"));",
"return `This is the average: ${var1}`;",
])
})
it("should handle multi-variable helper", () => {
const response = convertToJS("This is the average: {{ join ( avg val1 val2 val3 ) }}")
checkLines(response, [
"const var1 = helpers.join(helpers.avg(...[$(\"val1\"), $(\"val2\"), $(\"val3\")]));",
"return `This is the average: ${var1}`;",
])
})
it("should handle a complex statement", () => {
const response = convertToJS("This is the average: {{ join ( avg val1 val2 val3 ) val4 }}")
checkLines(response, [
"const var1 = helpers.join(...[helpers.avg(...[$(\"val1\"), $(\"val2\"), $(\"val3\")]), $(\"val4\")]);",
"return `This is the average: ${var1}`;",
])
})
it("should handle square brackets", () => {
const response = convertToJS("This is: {{ [val thing] }}")
checkLines(response, [
"const var1 = $(\"[val thing]\");",
"return `This is: ${var1}`;",
])
})
it("should handle square brackets with properties", () => {
const response = convertToJS("{{ [user].[_id] }}")
checkLines(response, [
"const var1 = $(\"[user].[_id]\");",
"return `${var1}`;",
])
})
it("should handle multiple complex statements", () => {
const response = convertToJS("average: {{ avg ( abs val1 ) val2 }} add: {{ add 1 2 }}")
checkLines(response, [
"const var1 = helpers.avg(...[helpers.abs($(\"val1\")), $(\"val2\")]);",
"const var2 = helpers.add(...[1, 2]);",
"return `average: ${var1} add: ${var2}`;",
])
})
})