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@wordpress/block-editor

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Generic block editor.

github.com/WordPress/gutenberg/tree/HEAD/packages/block-editor/README.md

WordPress/gutenberg

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{ "version": 3, "sources": ["../../src/utils/fit-text-utils.js"], "sourcesContent": ["/**\n * Shared utility functions for fit text functionality.\n * Uses callback-based approach for maximum code reuse between editor and frontend.\n */\n\n/**\n * Find optimal font size using simple binary search between 0-2400px.\n *\n * @param {HTMLElement} textElement The text element\n * @param {Function} applyFontSize Function that receives font size in pixels\n * @return {number} Optimal font size\n */\nfunction findOptimalFontSize( textElement, applyFontSize ) {\n\tconst alreadyHasScrollableHeight =\n\t\ttextElement.scrollHeight > textElement.clientHeight;\n\tlet minSize = 0;\n\tlet maxSize = 2400;\n\tlet bestSize = minSize;\n\n\tconst computedStyle = window.getComputedStyle( textElement );\n\tconst paddingLeft = parseFloat( computedStyle.paddingLeft ) || 0;\n\tconst paddingRight = parseFloat( computedStyle.paddingRight ) || 0;\n\tconst range = document.createRange();\n\trange.selectNodeContents( textElement );\n\n\twhile ( minSize <= maxSize ) {\n\t\tconst midSize = Math.floor( ( minSize + maxSize ) / 2 );\n\t\tapplyFontSize( midSize );\n\n\t\t// When there is padding if the text overflows to the\n\t\t// padding area, it should be considered overflowing.\n\t\t// Use Range API to measure actual text content dimensions.\n\t\tconst rect = range.getBoundingClientRect();\n\t\tconst textWidth = rect.width;\n\n\t\t// Check if text fits within the element's width and is not\n\t\t// overflowing into the padding area.\n\t\tconst fitsWidth =\n\t\t\ttextElement.scrollWidth <= textElement.clientWidth &&\n\t\t\ttextWidth <= textElement.clientWidth - paddingLeft - paddingRight;\n\t\t// Check if text fits within the element's height.\n\t\tconst fitsHeight =\n\t\t\talreadyHasScrollableHeight ||\n\t\t\ttextElement.scrollHeight <= textElement.clientHeight;\n\n\t\tif ( fitsWidth && fitsHeight ) {\n\t\t\tbestSize = midSize;\n\t\t\tminSize = midSize + 1;\n\t\t} else {\n\t\t\tmaxSize = midSize - 1;\n\t\t}\n\t}\n\trange.detach();\n\n\treturn bestSize;\n}\n\n/**\n * Complete fit text optimization for a single text element.\n * Handles the full flow using callbacks for font size application.\n *\n * @param {HTMLElement} textElement The text element (paragraph, heading, etc.)\n * @param {Function} applyFontSize Function that receives font size in pixels (0 to clear, >0 to apply)\n */\nexport function optimizeFitText( textElement, applyFontSize ) {\n\tif ( ! textElement ) {\n\t\treturn;\n\t}\n\n\tapplyFontSize( 0 );\n\n\tconst optimalSize = findOptimalFontSize( textElement, applyFontSize );\n\n\tapplyFontSize( optimalSize );\n\treturn optimalSize;\n}\n"], "mappings": ";AAYA,SAAS,oBAAqB,aAAa,eAAgB;AAC1D,QAAM,6BACL,YAAY,eAAe,YAAY;AACxC,MAAI,UAAU;AACd,MAAI,UAAU;AACd,MAAI,WAAW;AAEf,QAAM,gBAAgB,OAAO,iBAAkB,WAAY;AAC3D,QAAM,cAAc,WAAY,cAAc,WAAY,KAAK;AAC/D,QAAM,eAAe,WAAY,cAAc,YAAa,KAAK;AACjE,QAAM,QAAQ,SAAS,YAAY;AACnC,QAAM,mBAAoB,WAAY;AAEtC,SAAQ,WAAW,SAAU;AAC5B,UAAM,UAAU,KAAK,OAAS,UAAU,WAAY,CAAE;AACtD,kBAAe,OAAQ;AAKvB,UAAM,OAAO,MAAM,sBAAsB;AACzC,UAAM,YAAY,KAAK;AAIvB,UAAM,YACL,YAAY,eAAe,YAAY,eACvC,aAAa,YAAY,cAAc,cAAc;AAEtD,UAAM,aACL,8BACA,YAAY,gBAAgB,YAAY;AAEzC,QAAK,aAAa,YAAa;AAC9B,iBAAW;AACX,gBAAU,UAAU;AAAA,IACrB,OAAO;AACN,gBAAU,UAAU;AAAA,IACrB;AAAA,EACD;AACA,QAAM,OAAO;AAEb,SAAO;AACR;AASO,SAAS,gBAAiB,aAAa,eAAgB;AAC7D,MAAK,CAAE,aAAc;AACpB;AAAA,EACD;AAEA,gBAAe,CAAE;AAEjB,QAAM,cAAc,oBAAqB,aAAa,aAAc;AAEpE,gBAAe,WAAY;AAC3B,SAAO;AACR;", "names": [] }