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refactor text width computing func

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mikejeffers
2023-06-06 23:11:07 -04:00
parent 496585b543
commit 0cb6df1ef8
1 changed files with 5 additions and 5 deletions
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10
packages/mermaid/src/rendering-util/createText.js
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@@ -83,13 +83,13 @@ function createTspan(textElement, lineIndex, lineHeight) {
* @param {string} text * @param {string} text
* @returns {number} * @returns {number}
*/ */
function testWidthOfText(parentNode, lineHeight, text) { function computeWidthOfText(parentNode, lineHeight, text) {
const testElement = parentNode.append('text').attr('y', '-10.1'); const testElement = parentNode.append('text');
const testSpan = createTspan(testElement, 1, lineHeight); const testSpan = createTspan(testElement, 1, lineHeight);
updateTextContentAndStyles(testSpan, [{ content: text, type: 'normal' }]); updateTextContentAndStyles(testSpan, [{ content: text, type: 'normal' }]);
const val = testSpan.node().getComputedTextLength(); const textLength = testSpan.node().getComputedTextLength();
testElement.remove(); testElement.remove();
return val; return textLength;
} }
/** /**
@@ -122,7 +122,7 @@ function createFormattedText(width, g, structuredText, addBackground = false) {
for (let i = 0; i <= fullStr.length; i++) { for (let i = 0; i <= fullStr.length; i++) {
tempStr = fullStr.slice(prevIndex, i); tempStr = fullStr.slice(prevIndex, i);
log.info(tempStr, prevIndex, i); log.info(tempStr, prevIndex, i);
if (testWidthOfText(labelGroup, lineHeight, tempStr) > width) { if (computeWidthOfText(labelGroup, lineHeight, tempStr) > width) {
const subStr = fullStr.slice(prevIndex, i); const subStr = fullStr.slice(prevIndex, i);
// Break at space if any // Break at space if any
const lastSpaceIndex = subStr.lastIndexOf(' '); const lastSpaceIndex = subStr.lastIndexOf(' ');