2f4f6db133
no issue - add ember-suave dependency - upgrade grunt-jscs dependency - add a new .jscsrc for the client's tests directory that extends from client's base .jscsrc - separate client tests in Gruntfile jscs task so they pick up the test's .jscsrc - standardize es6 usage across client
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
const imageMarkdownRegex = /^!(?:\[([^\n\]]*)\])(?:\(([^\n\]]*)\))?$/gim;
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// Process the markdown content and find all of the locations where there is an image markdown block
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function parse(stringToParse) {
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let images = [];
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let m;
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while ((m = imageMarkdownRegex.exec(stringToParse)) !== null) {
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images.push(m);
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}
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return images;
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}
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// Loop through all dropzones in the preview and find which one was the target of the upload
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function getZoneIndex(element) {
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let zones = document.querySelectorAll('.js-entry-preview .js-drop-zone');
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for (let i = 0; i < zones.length; i += 1) {
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if (zones.item(i) === element) {
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return i;
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}
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}
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return -1;
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}
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// Figure out the start and end of the selection range for the src in the markdown, so we know what to replace
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function getSrcRange(content, element) {
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let images = parse(content);
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let index = getZoneIndex(element);
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let replacement = {};
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if (index > -1) {
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// [1] matches the alt test, and 2 matches the url between the ()
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// if the () are missing entirely, which is valid, [2] will be undefined and we'll need to treat this case
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// a little differently
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if (images[index][2] === undefined) {
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replacement.needsParens = true;
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replacement.start = content.indexOf(']', images[index].index) + 1;
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replacement.end = replacement.start;
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} else {
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replacement.start = content.indexOf('(', images[index].index) + 1;
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replacement.end = replacement.start + images[index][2].length;
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}
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return replacement;
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}
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return false;
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}
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export default {
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getSrcRange
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};
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