You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.1 KiB
42 lines
1.1 KiB
4 years ago
|
'use strict';
|
||
|
|
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.default = extractValueFromTemplateLiteral;
|
||
|
|
function sortStarts(a, b) {
|
||
|
|
return (a.range ? a.range[0] : a.start) - (b.range ? b.range[0] : b.start);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the string value of a template literal object.
|
||
|
|
* Tries to build it as best as it can based on the passed
|
||
|
|
* prop. For instance `This is a ${prop}` will return 'This is a {prop}'.
|
||
|
|
*
|
||
|
|
* If the template literal builds to undefined (`${undefined}`), then
|
||
|
|
* this should return "undefined".
|
||
|
|
*/
|
||
|
|
function extractValueFromTemplateLiteral(value) {
|
||
|
|
var quasis = value.quasis,
|
||
|
|
expressions = value.expressions;
|
||
|
|
|
||
|
|
var partitions = quasis.concat(expressions);
|
||
|
|
|
||
|
|
return partitions.sort(sortStarts).reduce(function (raw, part) {
|
||
|
|
var type = part.type;
|
||
|
|
|
||
|
|
if (type === 'TemplateElement') {
|
||
|
|
return raw + part.value.raw;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (type === 'Identifier') {
|
||
|
|
return part.name === 'undefined' ? '' + raw + part.name : raw + '{' + part.name + '}';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (type.indexOf('Expression') > -1) {
|
||
|
|
return raw + '{' + type + '}';
|
||
|
|
}
|
||
|
|
|
||
|
|
return raw;
|
||
|
|
}, '');
|
||
|
|
}
|