109 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", {
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  value: true
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});
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exports.default = void 0;
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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var _core = require("@babel/core");
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var _default = exports.default = (0, _helperPluginUtils.declare)((api, options) => {
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  var _api$assumption, _api$assumption2;
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  api.assertVersion(7);
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  const ignoreToPrimitiveHint = (_api$assumption = api.assumption("ignoreToPrimitiveHint")) != null ? _api$assumption : options.loose;
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  const mutableTemplateObject = (_api$assumption2 = api.assumption("mutableTemplateObject")) != null ? _api$assumption2 : options.loose;
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  let helperName = "taggedTemplateLiteral";
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  if (mutableTemplateObject) helperName += "Loose";
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  function buildConcatCallExpressions(items) {
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    let avail = true;
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    return items.reduce(function (left, right) {
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      let canBeInserted = _core.types.isLiteral(right);
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      if (!canBeInserted && avail) {
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        canBeInserted = true;
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        avail = false;
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      }
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      if (canBeInserted && _core.types.isCallExpression(left)) {
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        left.arguments.push(right);
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        return left;
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      }
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      return _core.types.callExpression(_core.types.memberExpression(left, _core.types.identifier("concat")), [right]);
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    });
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  }
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  return {
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    name: "transform-template-literals",
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    visitor: {
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      TaggedTemplateExpression(path) {
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        const {
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          node
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        } = path;
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        const {
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          quasi
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        } = node;
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        const strings = [];
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        const raws = [];
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        let isStringsRawEqual = true;
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        for (const elem of quasi.quasis) {
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          const {
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            raw,
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            cooked
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          } = elem.value;
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          const value = cooked == null ? path.scope.buildUndefinedNode() : _core.types.stringLiteral(cooked);
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          strings.push(value);
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          raws.push(_core.types.stringLiteral(raw));
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          if (raw !== cooked) {
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            isStringsRawEqual = false;
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          }
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        }
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        const helperArgs = [_core.types.arrayExpression(strings)];
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        if (!isStringsRawEqual) {
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          helperArgs.push(_core.types.arrayExpression(raws));
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        }
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        const tmp = path.scope.generateUidIdentifier("templateObject");
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        path.scope.getProgramParent().push({
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          id: _core.types.cloneNode(tmp)
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        });
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        path.replaceWith(_core.types.callExpression(node.tag, [_core.template.expression.ast`
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              ${_core.types.cloneNode(tmp)} || (
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                ${tmp} = ${this.addHelper(helperName)}(${helperArgs})
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              )
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            `, ...quasi.expressions]));
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      },
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      TemplateLiteral(path) {
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        if (path.parent.type === "TSLiteralType") {
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          return;
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        }
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        const nodes = [];
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        const expressions = path.get("expressions");
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        let index = 0;
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        for (const elem of path.node.quasis) {
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          if (elem.value.cooked) {
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            nodes.push(_core.types.stringLiteral(elem.value.cooked));
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          }
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          if (index < expressions.length) {
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            const expr = expressions[index++];
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            const node = expr.node;
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            if (!_core.types.isStringLiteral(node, {
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              value: ""
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            })) {
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              nodes.push(node);
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            }
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          }
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        }
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        if (!_core.types.isStringLiteral(nodes[0]) && !(ignoreToPrimitiveHint && _core.types.isStringLiteral(nodes[1]))) {
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          nodes.unshift(_core.types.stringLiteral(""));
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        }
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        let root = nodes[0];
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        if (ignoreToPrimitiveHint) {
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          for (let i = 1; i < nodes.length; i++) {
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            root = _core.types.binaryExpression("+", root, nodes[i]);
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          }
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        } else if (nodes.length > 1) {
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          root = buildConcatCallExpressions(nodes);
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        }
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        path.replaceWith(root);
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      }
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    }
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  };
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});
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//# sourceMappingURL=index.js.map
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