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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | 4x 9x 9x 1x 1x 8x 8x 8x 7x 7x 6x 7x 1x 8x 8x | export interface TemplateResult {
/**
* The text resulting from replacing the placeholders that match the name of the data members
* with the value of those data members
*/
text?: string;
/**
* The array with the name of the data members whose names did not match the ones in the placeholders
*/
keysNotInData: string[];
}
/**
* Replaces any placeholders "{{name}}" with the value of the data property that matches that name
* @param text
* @param data
*/
export default function template(text: string, data?: any): TemplateResult {
const result: TemplateResult = {
keysNotInData: []
};
if (!data) {
result.text = text;
return result; // Nothing to replace in the template, return the original text
}
result.keysNotInData = Object.keys(data); // Assume there hasn't been a match so far
function processMatch(match: string, offset: number, str: string) {
const key = match
.replace('{{', '')
.replace('}}', '')
.trim(); // Remove the {{ }} around the match
if (data.hasOwnProperty(key)) {
// Remove the "non matched" data member key
const index: number = result.keysNotInData.indexOf(key);
if (index > -1) {
// Not removed already
result.keysNotInData.splice(index, 1);
}
return data[key];
}
else {
return match;
}
}
result.text = text.replace(/\{{\S+?\}}/g, processMatch);
return result;
} |