budibase/packages/string-templates/test/utils.js

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const { getManifest } = require("../src")
const { getJsHelperList } = require("../src/helpers")
const {
convertToJS,
processStringSync,
encodeJSBinding,
} = require("../src/index.cjs")
function tryParseJson(str) {
if (typeof str !== "string") {
return
}
try {
return JSON.parse(str.replace(/'/g, '"'))
} catch (e) {
return
}
}
const getParsedManifest = () => {
const manifest = getManifest()
const collections = Object.keys(manifest)
const examples = collections.reduce((acc, collection) => {
const functions = Object.entries(manifest[collection])
.filter(([_, details]) => details.example)
.map(([name, details]) => {
const example = details.example
let [hbs, js] = example.split("->").map(x => x.trim())
if (!js) {
// The function has no return value
return
}
// Trim 's
js = js.replace(/^'|'$/g, "")
let parsedExpected
if ((parsedExpected = tryParseJson(js))) {
if (Array.isArray(parsedExpected)) {
if (typeof parsedExpected[0] === "object") {
js = JSON.stringify(parsedExpected)
} else {
js = parsedExpected.join(",")
}
}
}
const requiresHbsBody = details.requiresBlock
return [name, { hbs, js, requiresHbsBody }]
})
.filter(x => !!x)
if (Object.keys(functions).length) {
acc[collection] = functions
}
return acc
}, {})
return examples
}
module.exports.getParsedManifest = getParsedManifest
module.exports.runJsHelpersTests = ({ funcWrap, testsToSkip } = {}) => {
funcWrap = funcWrap || (delegate => delegate())
const manifest = getParsedManifest()
const processJS = (js, context) => {
return funcWrap(() => processStringSync(encodeJSBinding(js), context))
}
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&") // $& means the whole matched string
}
describe("can be parsed and run as js", () => {
const jsHelpers = getJsHelperList()
const jsExamples = Object.keys(manifest).reduce((acc, v) => {
acc[v] = manifest[v].filter(([key]) => jsHelpers[key])
return acc
}, {})
describe.each(Object.keys(jsExamples))("%s", collection => {
const examplesToRun = jsExamples[collection]
.filter(([_, { requiresHbsBody }]) => !requiresHbsBody)
.filter(([key]) => !testsToSkip?.includes(key))
examplesToRun.length &&
it.each(examplesToRun)("%s", async (_, { hbs, js }) => {
const context = {
double: i => i * 2,
isString: x => typeof x === "string",
}
const arrays = hbs.match(/\[[^/\]]+\]/)
arrays?.forEach((arrayString, i) => {
hbs = hbs.replace(
new RegExp(escapeRegExp(arrayString)),
`array${i}`
)
context[`array${i}`] = JSON.parse(arrayString.replace(/'/g, '"'))
})
let convertedJs = convertToJS(hbs)
let result = await processJS(convertedJs, context)
result = result.replace(/ /g, " ")
expect(result).toEqual(js)
})
})
})
}