worked on GarageApp stuff

node_modules/react-i18next/icu.macro.js

@@ -0,0 +1,729 @@
+const { createMacro } = require('babel-plugin-macros');
+
+// copy to:
+// https://astexplorer.net/#/gist/642aebbb9e449e959f4ad8907b4adf3a/4a65742e2a3e926eb55eaa3d657d1472b9ac7970
+module.exports = createMacro(ICUMacro);
+
+function ICUMacro({ references, state, babel }) {
+  const {
+    Trans = [],
+    Plural = [],
+    Select = [],
+    SelectOrdinal = [],
+    number = [],
+    date = [],
+    select = [],
+    selectOrdinal = [],
+    plural = [],
+    time = [],
+  } = references;
+
+  // assert we have the react-i18next Trans component imported
+  addNeededImports(state, babel, references);
+
+  // transform Plural and SelectOrdinal
+  [...Plural, ...SelectOrdinal].forEach((referencePath) => {
+    if (referencePath.parentPath.type === 'JSXOpeningElement') {
+      pluralAsJSX(
+        referencePath.parentPath,
+        {
+          attributes: referencePath.parentPath.get('attributes'),
+          children: referencePath.parentPath.parentPath.get('children'),
+        },
+        babel,
+      );
+    } else {
+      // throw a helpful error message or something :)
+    }
+  });
+
+  // transform Select
+  Select.forEach((referencePath) => {
+    if (referencePath.parentPath.type === 'JSXOpeningElement') {
+      selectAsJSX(
+        referencePath.parentPath,
+        {
+          attributes: referencePath.parentPath.get('attributes'),
+          children: referencePath.parentPath.parentPath.get('children'),
+        },
+        babel,
+      );
+    } else {
+      // throw a helpful error message or something :)
+    }
+  });
+
+  // transform Trans
+  Trans.forEach((referencePath) => {
+    if (referencePath.parentPath.type === 'JSXOpeningElement') {
+      transAsJSX(
+        referencePath.parentPath,
+        {
+          attributes: referencePath.parentPath.get('attributes'),
+          children: referencePath.parentPath.parentPath.get('children'),
+        },
+        babel,
+        state,
+      );
+    } else {
+      // throw a helpful error message or something :)
+    }
+  });
+
+  // check for number`` and others outside of <Trans>
+  Object.entries({
+    number,
+    date,
+    time,
+    select,
+    plural,
+    selectOrdinal,
+  }).forEach(([name, node]) => {
+    node.forEach((item) => {
+      let f = item.parentPath;
+      while (f) {
+        if (babel.types.isJSXElement(f)) {
+          if (f.node.openingElement.name.name === 'Trans') {
+            // this is a valid use of number/date/time/etc.
+            return;
+          }
+        }
+        f = f.parentPath;
+      }
+      throw new Error(
+        `"${name}\`\`" can only be used inside <Trans> in "${item.node.loc.filename}" on line ${item.node.loc.start.line}`,
+      );
+    });
+  });
+}
+
+function pluralAsJSX(parentPath, { attributes }, babel) {
+  const t = babel.types;
+  const toObjectProperty = (name, value) =>
+    t.objectProperty(t.identifier(name), t.identifier(name), false, !value);
+
+  // plural or selectordinal
+  const nodeName = parentPath.node.name.name.toLocaleLowerCase();
+
+  // will need to merge count attribute with existing values attribute in some cases
+  const existingValuesAttribute = findAttribute('values', attributes);
+  const existingValues = existingValuesAttribute
+    ? existingValuesAttribute.node.value.expression.properties
+    : [];
+
+  let componentStartIndex = 0;
+  const extracted = attributes.reduce(
+    (mem, attr) => {
+      if (attr.node.name.name === 'i18nKey') {
+        // copy the i18nKey
+        mem.attributesToCopy.push(attr.node);
+      } else if (attr.node.name.name === 'count') {
+        // take the count for element
+        let exprName = attr.node.value.expression.name;
+        if (!exprName) {
+          exprName = 'count';
+        }
+        if (exprName === 'count') {
+          // if the prop expression name is also "count", copy it instead: <Plural count={count} --> <Trans count={count}
+          mem.attributesToCopy.push(attr.node);
+        } else {
+          mem.values.unshift(toObjectProperty(exprName));
+        }
+        mem.defaults = `{${exprName}, ${nodeName}, ${mem.defaults}`;
+      } else if (attr.node.name.name === 'values') {
+        // skip the values attribute, as it has already been processed into mem from existingValues
+      } else if (attr.node.value.type === 'StringLiteral') {
+        // take any string node as plural option
+        let pluralForm = attr.node.name.name;
+        if (pluralForm.indexOf('$') === 0) pluralForm = pluralForm.replace('$', '=');
+        mem.defaults = `${mem.defaults} ${pluralForm} {${attr.node.value.value}}`;
+      } else if (attr.node.value.type === 'JSXExpressionContainer') {
+        // convert any Trans component to plural option extracting any values and components
+        const children = attr.node.value.expression.children || [];
+        const thisTrans = processTrans(children, babel, componentStartIndex);
+
+        let pluralForm = attr.node.name.name;
+        if (pluralForm.indexOf('$') === 0) pluralForm = pluralForm.replace('$', '=');
+
+        mem.defaults = `${mem.defaults} ${pluralForm} {${thisTrans.defaults}}`;
+        mem.components = mem.components.concat(thisTrans.components);
+
+        componentStartIndex += thisTrans.components.length;
+      }
+      return mem;
+    },
+    { attributesToCopy: [], values: existingValues, components: [], defaults: '' },
+  );
+
+  // replace the node with the new Trans
+  parentPath.replaceWith(buildTransElement(extracted, extracted.attributesToCopy, t, true));
+}
+
+function selectAsJSX(parentPath, { attributes }, babel) {
+  const t = babel.types;
+  const toObjectProperty = (name, value) =>
+    t.objectProperty(t.identifier(name), t.identifier(name), false, !value);
+
+  // will need to merge switch attribute with existing values attribute
+  const existingValuesAttribute = findAttribute('values', attributes);
+  const existingValues = existingValuesAttribute
+    ? existingValuesAttribute.node.value.expression.properties
+    : [];
+
+  let componentStartIndex = 0;
+
+  const extracted = attributes.reduce(
+    (mem, attr) => {
+      if (attr.node.name.name === 'i18nKey') {
+        // copy the i18nKey
+        mem.attributesToCopy.push(attr.node);
+      } else if (attr.node.name.name === 'switch') {
+        // take the switch for select element
+        let exprName = attr.node.value.expression.name;
+        if (!exprName) {
+          exprName = 'selectKey';
+          mem.values.unshift(t.objectProperty(t.identifier(exprName), attr.node.value.expression));
+        } else {
+          mem.values.unshift(toObjectProperty(exprName));
+        }
+        mem.defaults = `{${exprName}, select, ${mem.defaults}`;
+      } else if (attr.node.name.name === 'values') {
+        // skip the values attribute, as it has already been processed into mem as existingValues
+      } else if (attr.node.value.type === 'StringLiteral') {
+        // take any string node as select option
+        mem.defaults = `${mem.defaults} ${attr.node.name.name} {${attr.node.value.value}}`;
+      } else if (attr.node.value.type === 'JSXExpressionContainer') {
+        // convert any Trans component to select option extracting any values and components
+        const children = attr.node.value.expression.children || [];
+        const thisTrans = processTrans(children, babel, componentStartIndex);
+
+        mem.defaults = `${mem.defaults} ${attr.node.name.name} {${thisTrans.defaults}}`;
+        mem.components = mem.components.concat(thisTrans.components);
+
+        componentStartIndex += thisTrans.components.length;
+      }
+      return mem;
+    },
+    { attributesToCopy: [], values: existingValues, components: [], defaults: '' },
+  );
+
+  // replace the node with the new Trans
+  parentPath.replaceWith(buildTransElement(extracted, extracted.attributesToCopy, t, true));
+}
+
+function transAsJSX(parentPath, { attributes, children }, babel, { filename }) {
+  const defaultsAttr = findAttribute('defaults', attributes);
+  const componentsAttr = findAttribute('components', attributes);
+  // if there is "defaults" attribute and no "components" attribute, parse defaults and extract from the parsed defaults instead of children
+  // if a "components" attribute has been provided, we assume they have already constructed a valid "defaults" and it does not need to be parsed
+  const parseDefaults = defaultsAttr && !componentsAttr;
+
+  let extracted;
+  if (parseDefaults) {
+    const defaultsExpression = defaultsAttr.node.value.value;
+    const parsed = babel.parse(`<>${defaultsExpression}</>`, {
+      presets: ['@babel/react'],
+      filename,
+    }).program.body[0].expression.children;
+
+    extracted = processTrans(parsed, babel);
+  } else {
+    extracted = processTrans(children, babel);
+  }
+
+  let clonedAttributes = cloneExistingAttributes(attributes);
+  if (parseDefaults) {
+    // remove existing defaults so it can be replaced later with the new parsed defaults
+    clonedAttributes = clonedAttributes.filter((node) => node.name.name !== 'defaults');
+  }
+
+  // replace the node with the new Trans
+  const replacePath = children.length ? children[0].parentPath : parentPath;
+  replacePath.replaceWith(
+    buildTransElement(extracted, clonedAttributes, babel.types, false, !!children.length),
+  );
+}
+
+function buildTransElement(
+  extracted,
+  finalAttributes,
+  t,
+  closeDefaults = false,
+  wasElementWithChildren = false,
+) {
+  const nodeName = t.jSXIdentifier('Trans');
+
+  // plural, select open { but do not close it while reduce
+  if (closeDefaults) extracted.defaults += '}';
+
+  // convert arrays into needed expressions
+  extracted.components = t.arrayExpression(extracted.components);
+  extracted.values = t.objectExpression(extracted.values);
+
+  // add generated Trans attributes
+  if (!attributeExistsAlready('defaults', finalAttributes))
+    if (extracted.defaults.includes(`"`)) {
+      // wrap defaults that contain double quotes in brackets
+      finalAttributes.push(
+        t.jSXAttribute(
+          t.jSXIdentifier('defaults'),
+          t.jSXExpressionContainer(t.StringLiteral(extracted.defaults)),
+        ),
+      );
+    } else {
+      finalAttributes.push(
+        t.jSXAttribute(t.jSXIdentifier('defaults'), t.StringLiteral(extracted.defaults)),
+      );
+    }
+
+  if (!attributeExistsAlready('components', finalAttributes))
+    finalAttributes.push(
+      t.jSXAttribute(t.jSXIdentifier('components'), t.jSXExpressionContainer(extracted.components)),
+    );
+  if (!attributeExistsAlready('values', finalAttributes))
+    finalAttributes.push(
+      t.jSXAttribute(t.jSXIdentifier('values'), t.jSXExpressionContainer(extracted.values)),
+    );
+
+  // create selfclosing Trans component
+  const openElement = t.jSXOpeningElement(nodeName, finalAttributes, true);
+  if (!wasElementWithChildren) return openElement;
+
+  return t.jSXElement(openElement, null, [], true);
+}
+
+function cloneExistingAttributes(attributes) {
+  return attributes.reduce((mem, attr) => {
+    mem.push(attr.node);
+    return mem;
+  }, []);
+}
+
+function findAttribute(name, attributes) {
+  return attributes.find((child) => {
+    const ele = child.node ? child.node : child;
+    return ele.name.name === name;
+  });
+}
+
+function attributeExistsAlready(name, attributes) {
+  return !!findAttribute(name, attributes);
+}
+
+function processTrans(children, babel, componentStartIndex = 0) {
+  const res = {};
+
+  res.defaults = mergeChildren(children, babel, componentStartIndex);
+  res.components = getComponents(children, babel);
+  res.values = getValues(children, babel);
+
+  return res;
+}
+
+const leadingNewLineAndWhitespace = /^\n\s+/g;
+const trailingNewLineAndWhitespace = /\n\s+$/g;
+function trimIndent(text) {
+  const newText = text
+    .replace(leadingNewLineAndWhitespace, '')
+    .replace(trailingNewLineAndWhitespace, '');
+  return newText;
+}
+
+/**
+ * add comma-delimited expressions like `{ val, number }`
+ */
+function mergeCommaExpressions(ele) {
+  if (ele.expression && ele.expression.expressions) {
+    return `{${ele.expression.expressions
+      .reduce((m, i) => {
+        m.push(i.name || i.value);
+        return m;
+      }, [])
+      .join(', ')}}`;
+  }
+  return '';
+}
+
+/**
+ * this is for supporting complex icu type interpolations
+ * date`${variable}` and number`{${varName}, ::percent}`
+ * also, plural`{${count}, one { ... } other { ... }}
+ */
+function mergeTaggedTemplateExpressions(ele, componentFoundIndex, t, babel) {
+  if (t.isTaggedTemplateExpression(ele.expression)) {
+    const [, text, index] = getTextAndInterpolatedVariables(
+      ele.expression.tag.name,
+      ele.expression,
+      componentFoundIndex,
+      babel,
+    );
+    return [text, index];
+  }
+  return ['', componentFoundIndex];
+}
+
+function mergeChildren(children, babel, componentStartIndex = 0) {
+  const t = babel.types;
+  let componentFoundIndex = componentStartIndex;
+
+  return children.reduce((mem, child) => {
+    const ele = child.node ? child.node : child;
+    let result = mem;
+
+    // add text, but trim indentation whitespace
+    if (t.isJSXText(ele) && ele.value) result += trimIndent(ele.value);
+    // add ?!? forgot
+    if (ele.expression && ele.expression.value) result += ele.expression.value;
+    // add `{ val }`
+    if (ele.expression && ele.expression.name) result += `{${ele.expression.name}}`;
+    // add `{ val, number }`
+    result += mergeCommaExpressions(ele);
+    const [nextText, newIndex] = mergeTaggedTemplateExpressions(ele, componentFoundIndex, t, babel);
+    result += nextText;
+    componentFoundIndex = newIndex;
+    // add <strong>...</strong> with replace to <0>inner string</0>
+    if (t.isJSXElement(ele)) {
+      result += `<${componentFoundIndex}>${mergeChildren(
+        ele.children,
+        babel,
+      )}</${componentFoundIndex}>`;
+      componentFoundIndex += 1;
+    }
+
+    return result;
+  }, '');
+}
+
+const extractTaggedTemplateValues = (ele, babel, toObjectProperty) => {
+  // date`${variable}` and so on
+  if (ele.expression && ele.expression.type === 'TaggedTemplateExpression') {
+    const [variables] = getTextAndInterpolatedVariables(
+      ele.expression.tag.name,
+      ele.expression,
+      0,
+      babel,
+    );
+    return variables.map((vari) => toObjectProperty(vari));
+  }
+  return [];
+};
+
+/**
+ * Extract the names of interpolated value as object properties to pass to Trans
+ */
+function getValues(children, babel) {
+  const t = babel.types;
+  const toObjectProperty = (name, value) =>
+    t.objectProperty(t.identifier(name), t.identifier(name), false, !value);
+
+  return children.reduce((mem, child) => {
+    const ele = child.node ? child.node : child;
+    let result = mem;
+
+    // add `{ var }` to values
+    if (ele.expression && ele.expression.name) mem.push(toObjectProperty(ele.expression.name));
+    // add `{ var, number }` to values
+    if (ele.expression && ele.expression.expressions)
+      result.push(
+        toObjectProperty(ele.expression.expressions[0].name || ele.expression.expressions[0].value),
+      );
+    // add `{ var: 'bar' }` to values
+    if (ele.expression && ele.expression.properties)
+      result = result.concat(ele.expression.properties);
+    // date`${variable}` and so on
+    result = result.concat(extractTaggedTemplateValues(ele, babel, toObjectProperty));
+    // recursive add inner elements stuff to values
+    if (t.isJSXElement(ele)) {
+      result = result.concat(getValues(ele.children, babel));
+    }
+
+    return result;
+  }, []);
+}
+
+/**
+ * Common logic for adding a child element of Trans to the list of components to hydrate the translation
+ * @param {JSXElement} jsxElement
+ * @param {JSXElement[]} mem
+ */
+const processJSXElement = (jsxElement, mem, t) => {
+  const clone = t.clone(jsxElement);
+  clone.children = clone.children.reduce((clonedMem, clonedChild) => {
+    const clonedEle = clonedChild.node ? clonedChild.node : clonedChild;
+
+    // clean out invalid definitions by replacing `{ catchDate, date, short }` with `{ catchDate }`
+    if (clonedEle.expression && clonedEle.expression.expressions)
+      clonedEle.expression.expressions = [clonedEle.expression.expressions[0]];
+
+    clonedMem.push(clonedChild);
+    return clonedMem;
+  }, []);
+
+  mem.push(jsxElement);
+};
+
+/**
+ * Extract the React components to pass to Trans as components
+ */
+function getComponents(children, babel) {
+  const t = babel.types;
+
+  return children.reduce((mem, child) => {
+    const ele = child.node ? child.node : child;
+
+    if (t.isJSXExpressionContainer(ele)) {
+      // check for date`` and so on
+      if (t.isTaggedTemplateExpression(ele.expression)) {
+        ele.expression.quasi.expressions.forEach((expr) => {
+          // check for sub-expressions. This can happen with plural`` or select`` or selectOrdinal``
+          // these can have nested components
+          if (t.isTaggedTemplateExpression(expr) && expr.quasi.expressions.length) {
+            mem.push(...getComponents(expr.quasi.expressions, babel));
+          }
+          if (!t.isJSXElement(expr)) {
+            // ignore anything that is not a component
+            return;
+          }
+          processJSXElement(expr, mem, t);
+        });
+      }
+    }
+    if (t.isJSXElement(ele)) {
+      processJSXElement(ele, mem, t);
+    }
+
+    return mem;
+  }, []);
+}
+
+const icuInterpolators = ['date', 'time', 'number', 'plural', 'select', 'selectOrdinal'];
+const importsToAdd = ['Trans'];
+
+/**
+ * helper split out of addNeededImports to make codeclimate happy
+ *
+ * This does the work of amending an existing import from "react-i18next", or
+ * creating a new one if it doesn't exist
+ */
+function addImports(state, existingImport, allImportsToAdd, t) {
+  // append imports to existing or add a new react-i18next import for the Trans and icu tagged template literals
+  if (existingImport) {
+    allImportsToAdd.forEach((name) => {
+      if (
+        existingImport.specifiers.findIndex(
+          (specifier) => specifier.imported && specifier.imported.name === name,
+        ) === -1
+      ) {
+        existingImport.specifiers.push(t.importSpecifier(t.identifier(name), t.identifier(name)));
+      }
+    });
+  } else {
+    state.file.path.node.body.unshift(
+      t.importDeclaration(
+        allImportsToAdd.map((name) => t.importSpecifier(t.identifier(name), t.identifier(name))),
+        t.stringLiteral('react-i18next'),
+      ),
+    );
+  }
+}
+
+/**
+ * Add `import { Trans, number, date, <etc.> } from "react-i18next"` as needed
+ */
+function addNeededImports(state, babel, references) {
+  const t = babel.types;
+
+  // check if there is an existing react-i18next import
+  const existingImport = state.file.path.node.body.find(
+    (importNode) =>
+      t.isImportDeclaration(importNode) && importNode.source.value === 'react-i18next',
+  );
+  // check for any of the tagged template literals that are used in the source, and add them
+  const usedRefs = Object.keys(references).filter((importName) => {
+    if (!icuInterpolators.includes(importName)) {
+      return false;
+    }
+    return references[importName].length;
+  });
+
+  // combine Trans + any tagged template literals
+  const allImportsToAdd = importsToAdd.concat(usedRefs);
+
+  addImports(state, existingImport, allImportsToAdd, t);
+}
+
+/**
+ * iterate over a node detected inside a tagged template literal
+ *
+ * This is a helper function for `extractVariableNamesFromQuasiNodes` defined below
+ *
+ * this is called using reduce as a way of tricking what would be `.map()`
+ * into passing in the parameters needed to both modify `componentFoundIndex`,
+ * `stringOutput`, and `interpolatedVariableNames`
+ * and to pass in the dependencies babel, and type. Type is the template type.
+ * For "date``" the type will be `date`. for "number``" the type is `number`, etc.
+ */
+const extractNestedTemplatesAndComponents = (
+  { componentFoundIndex: lastIndex, babel, stringOutput, type, interpolatedVariableNames },
+  node,
+) => {
+  let componentFoundIndex = lastIndex;
+  if (node.type === 'JSXElement') {
+    // perform the interpolation of components just as we do in a normal Trans setting
+    const subText = `<${componentFoundIndex}>${mergeChildren(
+      node.children,
+      babel,
+    )}</${componentFoundIndex}>`;
+    componentFoundIndex += 1;
+    stringOutput.push(subText);
+  } else if (node.type === 'TaggedTemplateExpression') {
+    // a nested date``/number``/plural`` etc., extract whatever is inside of it
+    const [variableNames, childText, newIndex] = getTextAndInterpolatedVariables(
+      node.tag.name,
+      node,
+      componentFoundIndex,
+      babel,
+    );
+    interpolatedVariableNames.push(...variableNames);
+    componentFoundIndex = newIndex;
+    stringOutput.push(childText);
+  } else if (node.type === 'Identifier') {
+    // turn date`${thing}` into `thing, date`
+    stringOutput.push(`${node.name}, ${type}`);
+  } else if (node.type === 'TemplateElement') {
+    // convert all whitespace into a single space for the text in the tagged template literal
+    stringOutput.push(node.value.cooked.replace(/\s+/g, ' '));
+  } else {
+    // unknown node type, ignore
+  }
+  return { componentFoundIndex, babel, stringOutput, type, interpolatedVariableNames };
+};
+
+/**
+ * filter the list of nodes within a tagged template literal to the 4 types we can process,
+ * and ignore anything else.
+ *
+ * this is a helper function for `extractVariableNamesFromQuasiNodes`
+ */
+const filterNodes = (node) => {
+  if (node.type === 'Identifier') {
+    // if the node has a name, keep it
+    return node.name;
+  }
+  if (node.type === 'JSXElement' || node.type === 'TaggedTemplateExpression') {
+    // always keep interpolated elements or other tagged template literals like a nested date`` inside a plural``
+    return true;
+  }
+  if (node.type === 'TemplateElement') {
+    // return the "cooked" (escaped) text for the text in the template literal (`, ::percent` in number`${varname}, ::percent`)
+    return node.value.cooked;
+  }
+  // unknown node type, ignore
+  return false;
+};
+
+const errorOnInvalidQuasiNodes = (primaryNode) => {
+  const noInterpolationError = !primaryNode.quasi.expressions.length;
+  const wrongOrderError = primaryNode.quasi.quasis[0].value.raw.length;
+  const message = `${primaryNode.tag.name} argument must be interpolated ${
+    noInterpolationError ? 'in' : 'at the beginning of'
+  } "${primaryNode.tag.name}\`\`" in "${primaryNode.loc.filename}" on line ${
+    primaryNode.loc.start.line
+  }`;
+  if (noInterpolationError || wrongOrderError) {
+    throw new Error(message);
+  }
+};
+
+const extractNodeVariableNames = (varNode, babel) => {
+  const interpolatedVariableNames = [];
+  if (varNode.type === 'JSXElement') {
+    // extract inner interpolated variables and add to the list
+    interpolatedVariableNames.push(
+      ...getValues(varNode.children, babel).map((value) => value.value.name),
+    );
+  } else if (varNode.type === 'Identifier') {
+    // the name of the interpolated variable
+    interpolatedVariableNames.push(varNode.name);
+  }
+  return interpolatedVariableNames;
+};
+
+const extractVariableNamesFromQuasiNodes = (primaryNode, babel) => {
+  errorOnInvalidQuasiNodes(primaryNode);
+  // this will contain all the nodes to convert to the ICU messageformat text
+  // at first they are unsorted, but will be ordered correctly at the end of the function
+  const text = [];
+  // the variable names. These are converted to object references as required for the Trans values
+  // in getValues() (toObjectProperty helper function)
+  const interpolatedVariableNames = [];
+  primaryNode.quasi.expressions.forEach((varNode) => {
+    if (
+      !babel.types.isIdentifier(varNode) &&
+      !babel.types.isTaggedTemplateExpression(varNode) &&
+      !babel.types.isJSXElement(varNode)
+    ) {
+      throw new Error(
+        `Must pass a variable, not an expression to "${primaryNode.tag.name}\`\`" in "${primaryNode.loc.filename}" on line ${primaryNode.loc.start.line}`,
+      );
+    }
+    text.push(varNode);
+    interpolatedVariableNames.push(...extractNodeVariableNames(varNode, babel));
+  });
+  primaryNode.quasi.quasis.forEach((quasiNode) => {
+    // these are the text surrounding the variable interpolation
+    // so in date`${varname}, short` it would be `''` and `, short`.
+    // (the empty string before `${varname}` and the stuff after it)
+    text.push(quasiNode);
+  });
+  return { text, interpolatedVariableNames };
+};
+
+const throwOnInvalidType = (type, primaryNode) => {
+  if (!icuInterpolators.includes(type)) {
+    throw new Error(
+      `Unsupported tagged template literal "${type}", must be one of date, time, number, plural, select, selectOrdinal in "${primaryNode.loc.filename}" on line ${primaryNode.loc.start.line}`,
+    );
+  }
+};
+
+/**
+ * Retrieve the new text to use, and any interpolated variables
+ *
+ * This is used to process tagged template literals like date`${variable}` and number`${num}, ::percent`
+ *
+ * for the data example, it will return text of `{variable, date}` with a variable of `variable`
+ * for the number example, it will return text of `{num, number, ::percent}` with a variable of `num`
+ * @param {string} type the name of the tagged template (`date`, `number`, `plural`, etc. - any valid complex ICU type)
+ * @param {TaggedTemplateExpression} primaryNode the template expression node
+ * @param {int} index starting index number of components to be used for interpolations like <0>
+ * @param {*} babel
+ */
+function getTextAndInterpolatedVariables(type, primaryNode, index, babel) {
+  throwOnInvalidType(type, primaryNode);
+  const componentFoundIndex = index;
+  const { text, interpolatedVariableNames } = extractVariableNamesFromQuasiNodes(
+    primaryNode,
+    babel,
+  );
+  const { stringOutput, componentFoundIndex: newIndex } = text
+    .filter(filterNodes)
+    // sort by the order they appear in the source code
+    .sort((a, b) => {
+      if (a.start > b.start) return 1;
+      return -1;
+    })
+    .reduce(extractNestedTemplatesAndComponents, {
+      babel,
+      componentFoundIndex,
+      stringOutput: [],
+      type,
+      interpolatedVariableNames,
+    });
+  return [
+    interpolatedVariableNames,
+    `{${stringOutput.join('')}}`,
+    // return the new component interpolation index
+    newIndex,
+  ];
+}