25 lines
1.4 KiB
JavaScript
25 lines
1.4 KiB
JavaScript
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import { getAttr } from "../lib";
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const ATTR_SHORTHAND_REGEX = new RegExp("\\${([\\w]+)#([\\w]+)}", "g");
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export const evaluateTemplate = (template, options) => {
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const templateToEvaluate = template
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.replace(new RegExp(`\{([^{}]+)\}`, "g"), "${$1}")
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.replace(new RegExp(`\{\\$\{([^{}]+)\}\}`, "g"), "{$1}");
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const templateContext = {
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...options.endpointParams,
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...options.referenceRecord,
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};
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const attrShortHandList = templateToEvaluate.match(ATTR_SHORTHAND_REGEX) || [];
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const attrShortHandMap = attrShortHandList.reduce((acc, attrShortHand) => {
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const indexOfHash = attrShortHand.indexOf("#");
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const refName = attrShortHand.substring(2, indexOfHash);
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const attrName = attrShortHand.substring(indexOfHash + 1, attrShortHand.length - 1);
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acc[attrShortHand] = getAttr(templateContext[refName], attrName);
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return acc;
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}, {});
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const templateWithAttr = Object.entries(attrShortHandMap).reduce((acc, [shortHand, value]) => acc.replace(shortHand, value), templateToEvaluate);
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const templateContextNames = Object.keys(templateContext);
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const templateContextValues = Object.values(templateContext);
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const templateWithTildeEscaped = templateWithAttr.replace(/\`/g, "\\`");
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return new Function(...templateContextNames, `return \`${templateWithTildeEscaped}\``)(...templateContextValues);
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};
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