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import EleventyBaseError from "../Errors/EleventyBaseError.js";
class JavaScriptInvalidDataFormatError extends EleventyBaseError {}
export default async function (inst, inputPath, key = "data", options = {}) {
let { mixins, isObjectRequired } = Object.assign(
{
mixins: {},
isObjectRequired: true,
},
options,
);
if (inst && key in inst) {
// get extra data from `data` method,
// either as a function or getter or object literal
let result = await (typeof inst[key] === "function"
? Object.keys(mixins).length > 0
? inst[key].call(mixins)
: inst[key]()
: inst[key]);
if (isObjectRequired && typeof result !== "object") {
throw new JavaScriptInvalidDataFormatError(
`Invalid data format returned from ${inputPath}: typeof ${typeof result}`,
);
}
return result;
}
}
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