Created
September 17, 2017 10:02
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Google Apps Script function to replace placeholder values in an HTML template (from a draft GMail for example)
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/** | |
* For each placeholder - "{{[placeholder]}}", strip out any HTML and replace | |
* it with the appropriate key value. An example use of this could be using the | |
* HTML from a draft GMail as a template. | |
* | |
* E.g. If the obect were: | |
* | |
* {PlaceHolder1: newValue} | |
* | |
* In the template "{{PlaceHolder1}}" would be replaced with "newValue" even | |
* if there were some HTML (<...>) inside the brackets. | |
* | |
* https://github.com/shantanu543/bulk-mail/blob/master/bulkmail.gs | |
* | |
* @param {String} template HTML or plain text | |
* @param {Object} rowObject replacement values: {[placeholder]: [new value]} | |
* | |
* @return {String} completed template | |
*/ | |
function fillInTemplate(template, rowObject) { | |
Logger.log('template: ' + template) | |
Logger.log('rowObject: ' + JSON.stringify(rowObject)) | |
var completed = template.replace(/{{.*?}}/g, function(nextMatch) { | |
Logger.log('nextMatch: ' + nextMatch) | |
// Remove any HTML inside the placeholder | |
var placeholderValue = nextMatch.replace(/<.*?>/g, '') | |
Logger.log('placeholderValue (HTML stripped): ' + placeholderValue) | |
// Strip the placeholder identifier | |
placeholderValue = placeholderValue.substring(2, placeholderValue.length - 2) | |
Logger.log('placeholderValue (ids removed): ' + placeholderValue) | |
var nextValue = rowObject[placeholderValue] | |
Logger.log('nextValue: ' + nextValue) | |
return nextValue | |
}) | |
return completed | |
} // fillInTemplate() |
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