@angular/localize/fesm2022/_localize-chunk.mjs

Angular - library for localizing messages

/**
 * @license Angular v21.0.8
 * (c) 2010-2025 Google LLC. https://angular.dev/
 * License: MIT
 */

const BLOCK_MARKER$1 = ':';
const MEANING_SEPARATOR = '|';
const ID_SEPARATOR = '@@';
const LEGACY_ID_INDICATOR = '\u241F';

let textEncoder;
function fingerprint(str) {
  textEncoder ??= new TextEncoder();
  const utf8 = textEncoder.encode(str);
  const view = new DataView(utf8.buffer, utf8.byteOffset, utf8.byteLength);
  let hi = hash32(view, utf8.length, 0);
  let lo = hash32(view, utf8.length, 102072);
  if (hi == 0 && (lo == 0 || lo == 1)) {
    hi = hi ^ 0x130f9bef;
    lo = lo ^ -0x6b5f56d8;
  }
  return BigInt.asUintN(32, BigInt(hi)) << BigInt(32) | BigInt.asUintN(32, BigInt(lo));
}
function computeMsgId(msg, meaning = '') {
  let msgFingerprint = fingerprint(msg);
  if (meaning) {
    msgFingerprint = BigInt.asUintN(64, msgFingerprint << BigInt(1)) | msgFingerprint >> BigInt(63) & BigInt(1);
    msgFingerprint += fingerprint(meaning);
  }
  return BigInt.asUintN(63, msgFingerprint).toString();
}
function hash32(view, length, c) {
  let a = 0x9e3779b9,
    b = 0x9e3779b9;
  let index = 0;
  const end = length - 12;
  for (; index <= end; index += 12) {
    a += view.getUint32(index, true);
    b += view.getUint32(index + 4, true);
    c += view.getUint32(index + 8, true);
    const res = mix(a, b, c);
    a = res[0], b = res[1], c = res[2];
  }
  const remainder = length - index;
  c += length;
  if (remainder >= 4) {
    a += view.getUint32(index, true);
    index += 4;
    if (remainder >= 8) {
      b += view.getUint32(index, true);
      index += 4;
      if (remainder >= 9) {
        c += view.getUint8(index++) << 8;
      }
      if (remainder >= 10) {
        c += view.getUint8(index++) << 16;
      }
      if (remainder === 11) {
        c += view.getUint8(index++) << 24;
      }
    } else {
      if (remainder >= 5) {
        b += view.getUint8(index++);
      }
      if (remainder >= 6) {
        b += view.getUint8(index++) << 8;
      }
      if (remainder === 7) {
        b += view.getUint8(index++) << 16;
      }
    }
  } else {
    if (remainder >= 1) {
      a += view.getUint8(index++);
    }
    if (remainder >= 2) {
      a += view.getUint8(index++) << 8;
    }
    if (remainder === 3) {
      a += view.getUint8(index++) << 16;
    }
  }
  return mix(a, b, c)[2];
}
function mix(a, b, c) {
  a -= b;
  a -= c;
  a ^= c >>> 13;
  b -= c;
  b -= a;
  b ^= a << 8;
  c -= a;
  c -= b;
  c ^= b >>> 13;
  a -= b;
  a -= c;
  a ^= c >>> 12;
  b -= c;
  b -= a;
  b ^= a << 16;
  c -= a;
  c -= b;
  c ^= b >>> 5;
  a -= b;
  a -= c;
  a ^= c >>> 3;
  b -= c;
  b -= a;
  b ^= a << 10;
  c -= a;
  c -= b;
  c ^= b >>> 15;
  return [a, b, c];
}
var Endian;
(function (Endian) {
  Endian[Endian["Little"] = 0] = "Little";
  Endian[Endian["Big"] = 1] = "Big";
})(Endian || (Endian = {}));

function parseMessage(messageParts, expressions, location, messagePartLocations, expressionLocations = []) {
  const substitutions = {};
  const substitutionLocations = {};
  const associatedMessageIds = {};
  const metadata = parseMetadata(messageParts[0], messageParts.raw[0]);
  const cleanedMessageParts = [metadata.text];
  const placeholderNames = [];
  let messageString = metadata.text;
  for (let i = 1; i < messageParts.length; i++) {
    const {
      messagePart,
      placeholderName = computePlaceholderName(i),
      associatedMessageId
    } = parsePlaceholder(messageParts[i], messageParts.raw[i]);
    messageString += `{$${placeholderName}}${messagePart}`;
    if (expressions !== undefined) {
      substitutions[placeholderName] = expressions[i - 1];
      substitutionLocations[placeholderName] = expressionLocations[i - 1];
    }
    placeholderNames.push(placeholderName);
    if (associatedMessageId !== undefined) {
      associatedMessageIds[placeholderName] = associatedMessageId;
    }
    cleanedMessageParts.push(messagePart);
  }
  const messageId = metadata.customId || computeMsgId(messageString, metadata.meaning || '');
  const legacyIds = metadata.legacyIds ? metadata.legacyIds.filter(id => id !== messageId) : [];
  return {
    id: messageId,
    legacyIds,
    substitutions,
    substitutionLocations,
    text: messageString,
    customId: metadata.customId,
    meaning: metadata.meaning || '',
    description: metadata.description || '',
    messageParts: cleanedMessageParts,
    messagePartLocations,
    placeholderNames,
    associatedMessageIds,
    location
  };
}
function parseMetadata(cooked, raw) {
  const {
    text: messageString,
    block
  } = splitBlock(cooked, raw);
  if (block === undefined) {
    return {
      text: messageString
    };
  } else {
    const [meaningDescAndId, ...legacyIds] = block.split(LEGACY_ID_INDICATOR);
    const [meaningAndDesc, customId] = meaningDescAndId.split(ID_SEPARATOR, 2);
    let [meaning, description] = meaningAndDesc.split(MEANING_SEPARATOR, 2);
    if (description === undefined) {
      description = meaning;
      meaning = undefined;
    }
    if (description === '') {
      description = undefined;
    }
    return {
      text: messageString,
      meaning,
      description,
      customId,
      legacyIds
    };
  }
}
function parsePlaceholder(cooked, raw) {
  const {
    text: messagePart,
    block
  } = splitBlock(cooked, raw);
  if (block === undefined) {
    return {
      messagePart
    };
  } else {
    const [placeholderName, associatedMessageId] = block.split(ID_SEPARATOR);
    return {
      messagePart,
      placeholderName,
      associatedMessageId
    };
  }
}
function splitBlock(cooked, raw) {
  if (raw.charAt(0) !== BLOCK_MARKER$1) {
    return {
      text: cooked
    };
  } else {
    const endOfBlock = findEndOfBlock(cooked, raw);
    return {
      block: cooked.substring(1, endOfBlock),
      text: cooked.substring(endOfBlock + 1)
    };
  }
}
function computePlaceholderName(index) {
  return index === 1 ? 'PH' : `PH_${index - 1}`;
}
function findEndOfBlock(cooked, raw) {
  for (let cookedIndex = 1, rawIndex = 1; cookedIndex < cooked.length; cookedIndex++, rawIndex++) {
    if (raw[rawIndex] === '\\') {
      rawIndex++;
    } else if (cooked[cookedIndex] === BLOCK_MARKER$1) {
      return cookedIndex;
    }
  }
  throw new Error(`Unterminated $localize metadata block in "${raw}".`);
}

const $localize = function (messageParts, ...expressions) {
  if ($localize.translate) {
    const translation = $localize.translate(messageParts, expressions);
    messageParts = translation[0];
    expressions = translation[1];
  }
  let message = stripBlock(messageParts[0], messageParts.raw[0]);
  for (let i = 1; i < messageParts.length; i++) {
    message += expressions[i - 1] + stripBlock(messageParts[i], messageParts.raw[i]);
  }
  return message;
};
const BLOCK_MARKER = ':';
function stripBlock(messagePart, rawMessagePart) {
  return rawMessagePart.charAt(0) === BLOCK_MARKER ? messagePart.substring(findEndOfBlock(messagePart, rawMessagePart) + 1) : messagePart;
}

export { $localize, BLOCK_MARKER$1 as BLOCK_MARKER, computeMsgId, findEndOfBlock, parseMessage, parseMetadata, splitBlock };
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