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@capsizecss/unpack

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@capsizecss/unpack - npm Package Compare versions

Comparing version
4.0.0
 to
4.0.1
+238
dist/shared-DtMtfMHK.mjs
import { create } from "fontkitten";
//#region src/weightings.ts
var weightings_default = {
"latin": {
"0": .0053,
"1": .0023,
"2": .0026,
"3": .001,
"4": 8e-4,
"5": .0015,
"6": 7e-4,
"7": 5e-4,
"8": 7e-4,
"9": 6e-4,
",": .0083,
" ": .154,
"t": .0672,
"h": .0351,
"e": .0922,
"o": .0571,
"f": .017,
"P": .0023,
"p": .0163,
"l": .0304,
"'": .0014,
"s": .0469,
"R": .0015,
"u": .0207,
"b": .0114,
"i": .0588,
"c": .0232,
"C": .0031,
"n": .0578,
"a": .0668,
"d": .0298,
"y": .0123,
"w": .011,
"B": .002,
"r": .0526,
"z": .0011,
"G": .0011,
"j": 9e-4,
"T": .0041,
".": .0079,
"L": .0012,
"k": .0046,
"m": .0181,
"]": 7e-4,
"J": 9e-4,
"F": .0015,
"v": .0076,
"g": .0155,
"A": .004,
"N": .0014,
"-": .0018,
"H": .0013,
"D": .0013,
"M": .0025,
"I": .0022,
"E": .0011,
"\"": .0012,
"S": .0041,
"(": .001,
")": .001,
"x": .0025,
"W": .0012,
"Q": 1e-4,
"Y": 3e-4,
"q": 8e-4,
"V": 5e-4,
"á": 1e-4,
"K": 7e-4,
"U": .0016,
"=": 7e-4,
"[": .0021,
"O": 9e-4,
"é": 1e-4,
"$": 2e-4,
":": 8e-4,
"|": .0038,
"/": 1e-4,
"%": 1e-4,
"Z": 2e-4,
";": 1e-4,
"X": 1e-4
},
"thai": {
"ส": .0258,
"ว": .0372,
"น": .0711,
"บ": .0258,
"จ": .0169,
"า": .1024,
"ก": .0552,
"เ": .0419,
"ร": .0873,
"ม": .0416,
"ค": .0214,
"ำ": .0097,
"ข": .0127,
"อ": .0459,
"ป": .0204,
"ด": .0271,
"ใ": .0109,
"ภ": .0046,
"ท": .0311,
"พ": .0175,
"ฤ": 9e-4,
"ษ": .0042,
"ศ": .0063,
"ะ": .0255,
"ช": .0158,
"แ": .0158,
"ล": .0339,
"ง": .0433,
"ย": .0345,
"ห": .0197,
"ฝ": 6e-4,
"ต": .0239,
"โ": .0077,
"ญ": .0039,
"ณ": .0071,
"ผ": .0077,
"ไ": .0111,
"ฯ": 7e-4,
"ฟ": .0044,
"ธ": .0068,
"ถ": .0061,
"ฐ": .0033,
"ซ": .0046,
"ฉ": .0023,
"ฑ": 4e-4,
"ฆ": 2e-4,
"ฬ": 3e-4,
"ฏ": 2e-4,
"ฎ": 3e-4,
"ฒ": .0012,
"ๆ": 3e-4,
"ฮ": 4e-4,
"๒": 1e-4,
"๕": 1e-4
}
};
//#endregion
//#region src/shared.ts
const supportedSubsets = Object.keys(weightings_default);
const weightingForCharacter = (character, subset) => {
if (!Object.keys(weightings_default[subset]).includes(character)) throw new Error(`No weighting specified for character: “${character}”`);
return weightings_default[subset][character];
};
const avgWidthForSubset = (font, subset) => {
const sampleString = Object.keys(weightings_default[subset]).join("");
const weightedWidth = font.glyphsForString(sampleString).reduce((sum, glyph, index) => {
const character = sampleString.charAt(index);
let charWidth = font["OS/2"].xAvgCharWidth;
try {
charWidth = glyph.advanceWidth;
} catch (e) {
console.warn(`Couldn’t read 'advanceWidth' for character “${character === " " ? "<space>" : character}” from “${font.familyName}”. Falling back to “xAvgCharWidth”.`);
}
if (glyph.isMark) return sum;
return sum + charWidth * weightingForCharacter(character, subset);
}, 0);
return Math.round(weightedWidth);
};
const unpackMetricsFromFont = (font) => {
const { capHeight, ascent, descent, lineGap, unitsPerEm, familyName, fullName, postscriptName, xHeight } = font;
const subsets = supportedSubsets.reduce((acc, subset) => ({
...acc,
[subset]: { xWidthAvg: avgWidthForSubset(font, subset) }
}), {});
return {
familyName,
fullName,
postscriptName,
capHeight,
ascent,
descent,
lineGap,
unitsPerEm,
xHeight,
xWidthAvg: subsets.latin.xWidthAvg,
subsets
};
};
function handleCollectionErrors(font, { postscriptName, apiName, apiParamName }) {
if (postscriptName && font === null) throw new Error([
`The provided \`postscriptName\` of “${postscriptName}” cannot be found in the provided font collection.\n`,
"Run the same command without specifying a `postscriptName` in the options to see the available names in the collection.",
"For example:",
"------------------------------------------",
`const metrics = await ${apiName}('<${apiParamName}>');`,
"------------------------------------------\n",
""
].join("\n"));
if (font !== null && font.isCollection) {
const availableNames = font.fonts.map((f) => f.postscriptName);
throw new Error([
"Metrics cannot be unpacked from a font collection.\n",
"Provide either a single font or specify a `postscriptName` to extract from the collection via the options.",
"For example:",
"------------------------------------------",
`const metrics = await ${apiName}('<${apiParamName}>', {`,
` postscriptName: '${availableNames[0]}'`,
"});",
"------------------------------------------\n",
"Available `postscriptNames` in this font collection are:",
...availableNames.map((fontName) => ` - ${fontName}`),
""
].join("\n"));
}
}
const _fromBuffer = async (buffer, apiName, apiParamName, options) => {
const { postscriptName } = options || {};
const fontkitFont = create(buffer instanceof Uint8Array ? buffer : new Uint8Array(buffer), postscriptName);
handleCollectionErrors(fontkitFont, {
postscriptName,
apiName,
apiParamName
});
return unpackMetricsFromFont(fontkitFont);
};
const fromBuffer = async (buffer, options) => {
return _fromBuffer(buffer, "fromBuffer", "buffer", options);
};
const fromBlob = async (blob, options) => {
const arrayBuffer = await blob.arrayBuffer();
return _fromBuffer(new Uint8Array(arrayBuffer), "fromBlob", "blob", options);
};
const fromUrl = async (url, options) => {
const arrayBuffer = await (await fetch(url)).arrayBuffer();
return _fromBuffer(new Uint8Array(arrayBuffer), "fromUrl", "url", options);
};
//#endregion
export { supportedSubsets as a, fromUrl as i, fromBlob as n, fromBuffer as r, _fromBuffer as t };
+1
-1
dist/fs.mjs

@@ -1,2 +0,2 @@

import { t as _fromBuffer } from "./shared-KjM_oZR2.mjs";
import { t as _fromBuffer } from "./shared-DtMtfMHK.mjs";
import { readFile } from "node:fs/promises";

@@ -3,0 +3,0 @@ 

+1
-1
dist/index.mjs

@@ -1,3 +0,3 @@

import { a as supportedSubsets, i as fromUrl, n as fromBlob, r as fromBuffer } from "./shared-KjM_oZR2.mjs";
import { a as supportedSubsets, i as fromUrl, n as fromBlob, r as fromBuffer } from "./shared-DtMtfMHK.mjs";
export { fromBlob, fromBuffer, fromUrl, supportedSubsets };
+2
-2
package.json
{
"name": "@capsizecss/unpack",
"version": "4.0.0",
"version": "4.0.1",
"description": "Unpack capsize font metrics from fonts",

@@ -38,3 +38,3 @@ "keywords": [

"dependencies": {
"fontkitten": "^1.0.0"
"fontkitten": "^1.0.3"
},

@@ -41,0 +41,0 @@ "devDependencies": {

+1
-1
README.md

@@ -104,3 +104,3 @@ <img src="https://raw.githubusercontent.com/seek-oss/capsize/HEAD/images/capsize-header.png" alt="Capsize" title="Capsize" width="443px" />

- [Devon Govett](https://github.com/devongovett) for creating [Fontkit](https://github.com/foliojs/fontkit). A [fork of Fontkit](https://github.com/delucis/fontkitten) does all the heavy lifting of extracting the font metrics under the covers.
- [SEEK](https://www.seek.com.au) for giving us the space to do interesting work.
- [SEEK](https://au.seek.com) for giving us the space to do interesting work.

@@ -107,0 +107,0 @@ ## License

-238
dist/shared-KjM_oZR2.mjs
import { create } from "fontkitten";
//#region src/weightings.ts
var weightings_default = {
"latin": {
"0": .0053,
"1": .0023,
"2": .0026,
"3": .001,
"4": 8e-4,
"5": .0015,
"6": 7e-4,
"7": 5e-4,
"8": 7e-4,
"9": 6e-4,
",": .0083,
" ": .154,
"t": .0672,
"h": .0351,
"e": .0922,
"o": .0571,
"f": .017,
"P": .0023,
"p": .0163,
"l": .0304,
"'": .0014,
"s": .0469,
"R": .0015,
"u": .0207,
"b": .0114,
"i": .0588,
"c": .0232,
"C": .0031,
"n": .0578,
"a": .0668,
"d": .0298,
"y": .0123,
"w": .011,
"B": .002,
"r": .0526,
"z": .0011,
"G": .0011,
"j": 9e-4,
"T": .0041,
".": .0079,
"L": .0012,
"k": .0046,
"m": .0181,
"]": 7e-4,
"J": 9e-4,
"F": .0015,
"v": .0076,
"g": .0155,
"A": .004,
"N": .0014,
"-": .0018,
"H": .0013,
"D": .0013,
"M": .0025,
"I": .0022,
"E": .0011,
"\"": .0012,
"S": .0041,
"(": .001,
")": .001,
"x": .0025,
"W": .0012,
"Q": 1e-4,
"Y": 3e-4,
"q": 8e-4,
"V": 5e-4,
"á": 1e-4,
"K": 7e-4,
"U": .0016,
"=": 7e-4,
"[": .0021,
"O": 9e-4,
"é": 1e-4,
"$": 2e-4,
":": 8e-4,
"|": .0038,
"/": 1e-4,
"%": 1e-4,
"Z": 2e-4,
";": 1e-4,
"X": 1e-4
},
"thai": {
"ส": .0258,
"ว": .0372,
"น": .0711,
"บ": .0258,
"จ": .0169,
"า": .1024,
"ก": .0552,
"เ": .0419,
"ร": .0873,
"ม": .0416,
"ค": .0214,
"ำ": .0097,
"ข": .0127,
"อ": .0459,
"ป": .0204,
"ด": .0271,
"ใ": .0109,
"ภ": .0046,
"ท": .0311,
"พ": .0175,
"ฤ": 9e-4,
"ษ": .0042,
"ศ": .0063,
"ะ": .0255,
"ช": .0158,
"แ": .0158,
"ล": .0339,
"ง": .0433,
"ย": .0345,
"ห": .0197,
"ฝ": 6e-4,
"ต": .0239,
"โ": .0077,
"ญ": .0039,
"ณ": .0071,
"ผ": .0077,
"ไ": .0111,
"ฯ": 7e-4,
"ฟ": .0044,
"ธ": .0068,
"ถ": .0061,
"ฐ": .0033,
"ซ": .0046,
"ฉ": .0023,
"ฑ": 4e-4,
"ฆ": 2e-4,
"ฬ": 3e-4,
"ฏ": 2e-4,
"ฎ": 3e-4,
"ฒ": .0012,
"ๆ": 3e-4,
"ฮ": 4e-4,
"๒": 1e-4,
"๕": 1e-4
}
};
//#endregion
//#region src/shared.ts
const supportedSubsets = Object.keys(weightings_default);
const weightingForCharacter = (character, subset) => {
if (!Object.keys(weightings_default[subset]).includes(character)) throw new Error(`No weighting specified for character: “${character}”`);
return weightings_default[subset][character];
};
const avgWidthForSubset = (font, subset) => {
const sampleString = Object.keys(weightings_default[subset]).join("");
const weightedWidth = font.glyphsForString(sampleString).reduce((sum, glyph, index) => {
const character = sampleString.charAt(index);
let charWidth = font["OS/2"].xAvgCharWidth;
try {
charWidth = glyph.advanceWidth;
} catch (e) {
console.warn(`Couldn’t read 'advanceWidth' for character “${character === " " ? "<space>" : character}” from “${font.familyName}”. Falling back to “xAvgCharWidth”.`);
}
if (glyph.isMark) return sum;
return sum + charWidth * weightingForCharacter(character, subset);
}, 0);
return Math.round(weightedWidth);
};
const unpackMetricsFromFont = (font) => {
const { capHeight, ascent, descent, lineGap, unitsPerEm, familyName, fullName, postscriptName, xHeight } = font;
const subsets = supportedSubsets.reduce((acc, subset) => ({
...acc,
[subset]: { xWidthAvg: avgWidthForSubset(font, subset) }
}), {});
return {
familyName,
fullName,
postscriptName,
capHeight,
ascent,
descent,
lineGap,
unitsPerEm,
xHeight,
xWidthAvg: subsets.latin.xWidthAvg,
subsets
};
};
function handleCollectionErrors(font, { postscriptName, apiName, apiParamName }) {
if (postscriptName && font === null) throw new Error([
`The provided \`postscriptName\` of “${postscriptName}” cannot be found in the provided font collection.\n`,
"Run the same command without specifying a `postscriptName` in the options to see the available names in the collection.",
"For example:",
"------------------------------------------",
`const metrics = await ${apiName}('<${apiParamName}>');`,
"------------------------------------------\n",
""
].join("\n"));
if (font !== null && font.isCollection) {
const availableNames = font.fonts.map((f) => f.postscriptName);
throw new Error([
"Metrics cannot be unpacked from a font collection.\n",
"Provide either a single font or specify a `postscriptName` to extract from the collection via the options.",
"For example:",
"------------------------------------------",
`const metrics = await ${apiName}('<${apiParamName}>', {`,
` postscriptName: '${availableNames[0]}'`,
"});",
"------------------------------------------\n",
"Available `postscriptNames` in this font collection are:",
...availableNames.map((fontName) => ` - ${fontName}`),
""
].join("\n"));
}
}
const _fromBuffer = async (buffer, apiName, apiParamName, options) => {
const { postscriptName } = options || {};
const fontkitFont = create(buffer instanceof Buffer ? buffer : Buffer.from(buffer), postscriptName);
handleCollectionErrors(fontkitFont, {
postscriptName,
apiName,
apiParamName
});
return unpackMetricsFromFont(fontkitFont);
};
const fromBuffer = async (buffer, options) => {
return _fromBuffer(buffer, "fromBuffer", "buffer", options);
};
const fromBlob = async (blob, options) => {
const arrayBuffer = await blob.arrayBuffer();
return _fromBuffer(new Uint8Array(arrayBuffer), "fromBlob", "blob", options);
};
const fromUrl = async (url, options) => {
const arrayBuffer = await (await fetch(url)).arrayBuffer();
return _fromBuffer(new Uint8Array(arrayBuffer), "fromUrl", "url", options);
};
//#endregion
export { supportedSubsets as a, fromUrl as i, fromBlob as n, fromBuffer as r, _fromBuffer as t };